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annotate m-toolbox/classes/+utils/@math/csd2tf2.m @ 23:a71a40911c27 database-connection-manager

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Update check for repository connection parameter in constructors
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % CSD2TF Input cross spectral density matrix and output stable transfer function
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Daniele Nicolodi <nicolodi@science.unitn.it>
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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4 % DESCRIPTION:
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5 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 % Input cross spectral density (csd) and output corresponding
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Daniele Nicolodi <nicolodi@science.unitn.it>
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7 % stable functions. Identification can be performed for a simple system
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Daniele Nicolodi <nicolodi@science.unitn.it>
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8 % (one psd) or for a N dimensional system. Discrete transfer functions are
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Daniele Nicolodi <nicolodi@science.unitn.it>
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9 % output in partial fraction expansion:
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Daniele Nicolodi <nicolodi@science.unitn.it>
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10 %
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11 % r1 rN
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12 % f(z) = ----------- + ... + ----------- + d
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13 % 1-p1*z^{-1} 1-pN*z^{-1}
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14 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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15 % System identification is performed in frequency domain, the order of
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Daniele Nicolodi <nicolodi@science.unitn.it>
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16 % the model function is automatically chosen by the algorithm on the
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Daniele Nicolodi <nicolodi@science.unitn.it>
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17 % base of the input tolerance condition.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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18 % In the case of simple systems the square root of the psd is fitted
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Daniele Nicolodi <nicolodi@science.unitn.it>
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19 % and then the model is stabilized by the application of an all-pass
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20 % function.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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21 % In the case of two dimensional systems, transfer functions frequency
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Daniele Nicolodi <nicolodi@science.unitn.it>
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22 % response is calculated by the eigendecomposition of the
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Daniele Nicolodi <nicolodi@science.unitn.it>
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23 % cross-spectral matrix. Then models are identified by fitting
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Daniele Nicolodi <nicolodi@science.unitn.it>
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24 % in frequency domain.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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25 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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26 % CALL:
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Daniele Nicolodi <nicolodi@science.unitn.it>
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27 % out = csd2tf(csd,f,params)
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28 %
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29 % INPUT:
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30 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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31 % - csd is the cross spectral density matrix. It is in general a
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Daniele Nicolodi <nicolodi@science.unitn.it>
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32 % [n,n,m] dimensional matrix. Where n is the dimension of the system
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Daniele Nicolodi <nicolodi@science.unitn.it>
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33 % and m is the number of frequencies
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Daniele Nicolodi <nicolodi@science.unitn.it>
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34 % - f: is the corresponding frequencies vector in Hz (of length m)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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35 % - params: is a struct of identification options, the possible values
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Daniele Nicolodi <nicolodi@science.unitn.it>
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36 % are:
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37 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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38 % params.TargetDomain = 'z' --> Perform z domain identification.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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39 % Function output are residues and poles of a discrete system.
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40 % params.TargetDomain = 's' --> Perform s domain identification.
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41 % Function output are residues and poles of a continuous system.
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42 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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43 % params.fullauto = 0 --> Perform a fitting loop as far as the number
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Daniele Nicolodi <nicolodi@science.unitn.it>
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44 % of iteration reach Nmaxiter. The order of the fitting function will
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Daniele Nicolodi <nicolodi@science.unitn.it>
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45 % be that specified in params.minorder. If params.dterm is setted to
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Daniele Nicolodi <nicolodi@science.unitn.it>
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46 % 1 the function will fit only with direct term.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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47 % params.fullauto = 1 --> Parform a full automatic search for the
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Daniele Nicolodi <nicolodi@science.unitn.it>
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48 % transfer function order. The fitting procedure will stop when the
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Daniele Nicolodi <nicolodi@science.unitn.it>
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49 % stopping condition defined in params.ctp is satisfied. Default
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50 % value.
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51 %
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52 % - params.Nmaxiter = # set the maximum number of fitting steps
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53 % performed for each trial function order. Default is 50
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54 %
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55 % - params.minorder = # set the minimum possible function order.
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56 % Default is 2
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57 %
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58 % - params.maxorder = # set the maximum possible function order.
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59 % Default is 25
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60 %
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61 % params.spolesopt = 1 --> use real starting poles
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Daniele Nicolodi <nicolodi@science.unitn.it>
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62 % params.spolesopt = 2 --> generates complex conjugates poles of the
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Daniele Nicolodi <nicolodi@science.unitn.it>
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63 % type \alfa e^{j\pi\theta} with \theta = linspace(0,pi,N/2+1).
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64 % params.spolesopt = 3 --> generates complex conjugates poles of the
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Daniele Nicolodi <nicolodi@science.unitn.it>
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65 % type \alfa e^{j\pi\theta} with \theta = linspace(0,pi,N/2+2).
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Daniele Nicolodi <nicolodi@science.unitn.it>
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66 % Default option.
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67 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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68 % - params.weightparam = 0 --> use external weights
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Daniele Nicolodi <nicolodi@science.unitn.it>
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69 % - params.weightparam = 1 equal weights (one) for each point
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Daniele Nicolodi <nicolodi@science.unitn.it>
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70 % - params.weightparam = 2 weight with the inverse of absolute value
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Daniele Nicolodi <nicolodi@science.unitn.it>
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71 % of fitting data
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Daniele Nicolodi <nicolodi@science.unitn.it>
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72 % - params.weightparam = 3 weight with square root of the inverse of
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Daniele Nicolodi <nicolodi@science.unitn.it>
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73 % absolute value of fitting data
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74 % - params.weightparam = 4 weight with the inverse of the square mean
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75 % spread
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76 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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77 % params.extweights = [] --> A vector of externally provided weights.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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78 % It has to be of the same size of input data.
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79 %
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80 % - params.plot = 0 --> no plot during fit iteration
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Daniele Nicolodi <nicolodi@science.unitn.it>
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81 % - params.plot = 1 --> plot results at each fitting steps. default
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82 % value.
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83 %
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84 % - params.ctp = 'chival' --> check if the value of the Mean Squared
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Daniele Nicolodi <nicolodi@science.unitn.it>
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85 % Error is lower than 10^(-1*lsrcond).
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86 % - params.ctp = 'chivar' --> check if the value of the Mean Squared
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Daniele Nicolodi <nicolodi@science.unitn.it>
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87 % Error is lower than 10^(-1*lsrcond) and if the relative variation of mean
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Daniele Nicolodi <nicolodi@science.unitn.it>
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88 % squared error is lower than 10^(-1*msevar).
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Daniele Nicolodi <nicolodi@science.unitn.it>
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89 % - params.ctp = 'lrs' --> check if the log difference between data and
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Daniele Nicolodi <nicolodi@science.unitn.it>
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90 % residuals is point by point larger than the value indicated in
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Daniele Nicolodi <nicolodi@science.unitn.it>
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91 % lsrcond. This mean that residuals are lsrcond order of magnitudes
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Daniele Nicolodi <nicolodi@science.unitn.it>
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92 % lower than data.
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93 % - params.ctp = 'lrsmse' --> check if the log difference between data
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94 % and residuals is larger than the value indicated in lsrcond and if
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95 % the relative variation of mean squared error is lower than
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96 % 10^(-1*msevar).
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97 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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98 % - params.lrscond = # --> set conditioning value for point to point
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Daniele Nicolodi <nicolodi@science.unitn.it>
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99 % log residuals difference (params.ctp = 'lsr') and mean log residual
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Daniele Nicolodi <nicolodi@science.unitn.it>
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100 % difference (params.ctp = 'mlsrvar'). Default is 2. See help for
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Daniele Nicolodi <nicolodi@science.unitn.it>
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101 % stopfit.m for further remarks.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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102 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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103 % - params.msevar = # --> set conditioning value for root mean squared
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Daniele Nicolodi <nicolodi@science.unitn.it>
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104 % error variation. This allow to check that the relative variation of
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Daniele Nicolodi <nicolodi@science.unitn.it>
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105 % mean squared error is lower than 10^(-1*msevar).Default is 7. See
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Daniele Nicolodi <nicolodi@science.unitn.it>
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106 % help for stopfit.m for further remarks.
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107 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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108 % - params.fs set the sampling frequency (Hz). Default is 1 Hz
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Daniele Nicolodi <nicolodi@science.unitn.it>
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109 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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110 % params.dterm = 0 --> Try to fit without direct term
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Daniele Nicolodi <nicolodi@science.unitn.it>
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111 % params.dterm = 1 --> Try to fit with and without direct term
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Daniele Nicolodi <nicolodi@science.unitn.it>
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112 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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113 % params.spy = 0 --> Do not display the iteration progression
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Daniele Nicolodi <nicolodi@science.unitn.it>
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114 % params.spy = 1 --> Display the iteration progression
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Daniele Nicolodi <nicolodi@science.unitn.it>
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115 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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116 % params.usesym = 0 --> perform double-precision calculation for
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Daniele Nicolodi <nicolodi@science.unitn.it>
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117 % poles stabilization
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Daniele Nicolodi <nicolodi@science.unitn.it>
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118 % params.usesym = 1 --> perform symbolic math toolbox calculation for
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Daniele Nicolodi <nicolodi@science.unitn.it>
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119 % poles stabilization
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Daniele Nicolodi <nicolodi@science.unitn.it>
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120 %
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121 %
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122 % OUTPUT:
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Daniele Nicolodi <nicolodi@science.unitn.it>
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123 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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124 % - ostruct is a struct with the fields:
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Daniele Nicolodi <nicolodi@science.unitn.it>
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125 % - ostruct(n).res --> is the vector of residues.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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126 % - ostruct(n).poles --> is the vector of poles.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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127 % - ostruct(n).dterm --> is the vector of direct terms.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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128 % - ostruct(n).mresp --> is the vector of tfs models responses.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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129 % - ostruct(n).rdl --> is the vector of fit residuals.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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130 % - ostruct(n).mse --> is the vector of mean squared errors.
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Daniele Nicolodi <nicolodi@science.unitn.it>
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131 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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132 %
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133 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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134 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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135 % VERSION: $Id: csd2tf2.m,v 1.1 2009/10/16 17:16:54 luigi Exp $
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136 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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137 % HISTORY: 22-04-2009 L Ferraioli
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Daniele Nicolodi <nicolodi@science.unitn.it>
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138 % Creation
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Daniele Nicolodi <nicolodi@science.unitn.it>
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139 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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140 function ostruct = csd2tf2(csd,f,params)
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141
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142 utils.helper.msg(utils.const.msg.MNAME, 'running %s/%s', mfilename('class'), mfilename);
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143
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144 % Collect inputs
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145
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Daniele Nicolodi <nicolodi@science.unitn.it>
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146 % Default input struct
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Daniele Nicolodi <nicolodi@science.unitn.it>
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147 defaultparams = struct('TargetDomain','z','Nmaxiter',50, 'minorder',2,...
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148 'maxorder',25, 'spolesopt',2, 'weightparam',1, 'plot',0,...
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149 'ctp','chival','lrscond',2,'msevar',2,...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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150 'fs',1,'dterm',0, 'spy',0, 'fullauto',1,...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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151 'extweights', [],'usesym',1);
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152
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153 names = {'TargetDomain','Nmaxiter','minorder','maxorder','spolesopt',...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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154 'weightparam','plot','stopfitcond',...
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Daniele Nicolodi <nicolodi@science.unitn.it>
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155 'ctp','lrscond','msevar',...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
156 'fs','dterm','spy','fullauto','extweights',...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
157 'usesym'};
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
158
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
159 % collecting input and default params
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
160 if ~isempty(params)
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
161 for jj=1:length(names)
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
162 if isfield(params, names(jj)) && ~isempty(params.(names{1,jj}))
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
163 defaultparams.(names{1,jj}) = params.(names{1,jj});
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
164 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
165 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
166 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
167
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
168 % default values for input variables
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
169 target = defaultparams.TargetDomain; % target domain for system identification, can be 'z' or 's'
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
170 Nmaxiter = defaultparams.Nmaxiter; % Number of max iteration in the fitting loop
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
171 minorder = defaultparams.minorder; % Minimum model order
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
172 maxorder = defaultparams.maxorder; % Maximum model order
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
173 spolesopt = defaultparams.spolesopt; % 0, Fit with no complex starting poles (complex poles can be found as fit output). 1 fit with comples starting poles
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
174 weightparam = defaultparams.weightparam; % Weight 1./abs(y). Admitted values are 0, 1, 2, 3
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
175 checking = defaultparams.plot; % Never polt. Admitted values are 0 (No polt ever), 1 (plot at the end), 2 (plot at each step)
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
176 ctp = defaultparams.ctp;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
177 lrscond = defaultparams.lrscond;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
178 msevar = defaultparams.msevar;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
179 fs = defaultparams.fs; % sampling frequency
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
180 idt = defaultparams.dterm;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
181 spy = defaultparams.spy;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
182 autosearch = defaultparams.fullauto;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
183 extweights = defaultparams.extweights;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
184 usesym = defaultparams.usesym; % method of calculation for the all pass filter
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
185
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
186 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
187 % Checking inputs
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
188
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
189 [a,b] = size(f);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
190 if a < b % shifting to column
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
191 f = f.';
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
192 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
193
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
194 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
195 % switching between inputs
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
196
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
197 clear dim
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
198 % cecking for dimensionality
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
199 [nn,mm,kk] = size(csd);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
200 if kk == 1
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
201 dim = '1dim';
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
202 utils.helper.msg(utils.const.msg.PROC1, ' Performing one dimesional identification on psd ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
203 if nn < mm % shift to column
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
204 csd = csd.';
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
205 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
206 else
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
207 dim ='ndim';
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
208 utils.helper.msg(utils.const.msg.PROC1, ' Performing N dimesional identification on csd ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
209 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
210
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
211 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
212 % system identification
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
213
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
214 switch dim
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
215 case '1dim'
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
216
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
217 utils.helper.msg(utils.const.msg.PROC1, ' Performing z-domain identification ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
218 itf = abs(sqrt(csd)); % input data
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
219
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
220 switch target % switch between z-domain and s-domain
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
221 case 'z'
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
222 % Fitting params
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
223 params = struct('spolesopt',spolesopt, 'Nmaxiter',Nmaxiter, 'minorder',minorder,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
224 'maxorder',maxorder, 'weightparam',weightparam, 'plot',checking,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
225 'ctp',ctp,'lrscond',lrscond,'msevar',msevar,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
226 'stabfit',0,'dterm',idt,'spy',spy,'fullauto',autosearch,'extweights',extweights);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
227
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
228 % Fitting
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
229 utils.helper.msg(utils.const.msg.PROC1, ' Fitting absolute TF value with unstable model ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
230 [res,poles,dterm,mresp,rdl,msei] = utils.math.autodfit(itf,f,fs,params);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
231
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
232 if usesym
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
233 % all pass filtering for poles stabilization
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
234 allpoles.poles = poles;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
235 ntf = utils.math.pfallpsymz2(allpoles,mresp,f,fs);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
236 else
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
237 % all pass filtering for poles stabilization
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
238 ntf = utils.math.pfallpz2(poles,mresp,f,fs);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
239 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
240
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
241 % Fitting params
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
242 params = struct('spolesopt',spolesopt, 'Nmaxiter',Nmaxiter, 'minorder',minorder,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
243 'maxorder',maxorder, 'weightparam',weightparam, 'plot',checking,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
244 'ctp',ctp,'lrscond',lrscond,'msevar',msevar,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
245 'stabfit',1,'dterm',idt,'spy',spy,'fullauto',autosearch,'extweights',extweights);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
246
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
247 utils.helper.msg(utils.const.msg.PROC1, ' Fitting TF with stable model ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
248 [res,poles,dterm,mresp,rdl,msef] = utils.math.autodfit(ntf,f,fs,params);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
249
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
250 % Output data switching between output type
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
251 utils.helper.msg(utils.const.msg.PROC1, ' Output z-domain model ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
252
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
253 case 's'
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
254 % Fitting params
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
255 params = struct('spolesopt',spolesopt, 'Nmaxiter',Nmaxiter, 'minorder',minorder,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
256 'maxorder',maxorder, 'weightparam',weightparam, 'plot',checking,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
257 'ctp',ctp,'lrscond',lrscond,'msevar',msevar,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
258 'stabfit',0,'dterm',idt,'spy',spy,'fullauto',autosearch,'extweights',extweights);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
259
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
260 % Fitting
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
261 utils.helper.msg(utils.const.msg.PROC1, ' Fitting absolute TF value with unstable model ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
262 [res,poles,dterm,mresp,rdl,msei] = utils.math.autocfit(itf,f,params);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
263
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
264 if usesym
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
265 % all pass filtering for poles stabilization
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
266 allpoles.poles = poles;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
267 ntf = utils.math.pfallpsyms2(allpoles,mresp,f);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
268 else
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
269 % all pass filtering for poles stabilization
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
270 ntf = utils.math.pfallps2(poles,mresp,f);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
271 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
272
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
273 % Fitting params
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
274 params = struct('spolesopt',spolesopt, 'Nmaxiter',Nmaxiter, 'minorder',minorder,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
275 'maxorder',maxorder, 'weightparam',weightparam, 'plot',checking,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
276 'ctp',ctp,'lrscond',lrscond,'msevar',msevar,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
277 'stabfit',1,'dterm',idt,'spy',spy,'fullauto',autosearch,'extweights',extweights);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
278
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
279 utils.helper.msg(utils.const.msg.PROC1, ' Fitting TF with stable model ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
280 [res,poles,dterm,mresp,rdl,msef] = utils.math.autocfit(ntf,f,params);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
281
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
282 % Output data switching between output type
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
283 utils.helper.msg(utils.const.msg.PROC1, ' Output s-domain model ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
284
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
285 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
286
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
287 ostruct = struct();
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
288
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
289 ostruct.res = res;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
290 ostruct.poles = poles;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
291 ostruct.dterm = dterm;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
292 ostruct.mresp = mresp;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
293 ostruct.rdl = rdl;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
294 ostruct.mse = msei;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
295
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
296 case 'ndim'
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
297 % switching between continuous and discrete type identification
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
298
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
299 % utils.helper.msg(utils.const.msg.PROC1, ' Performing z-domain identification on 2dim system, z-domain output ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
300 tf = utils.math.ndeigcsd(csd,'OTP','TF','MTD','PAP'); % input data
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
301
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
302 [nn,mm,kk] = size(tf);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
303
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
304 % % Shifting to columns
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
305 % [a,b] = size(tf11);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
306 % if a<b
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
307 % tf11 = tf11.';
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
308 % end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
309 % [a,b] = size(tf12);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
310 % if a<b
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
311 % tf12 = tf12.';
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
312 % end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
313 % [a,b] = size(tf21);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
314 % if a<b
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
315 % tf21 = tf21.';
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
316 % end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
317 % [a,b] = size(tf22);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
318 % if a<b
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
319 % tf22 = tf22.';
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
320 % end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
321 %
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
322 % % Collecting tfs
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
323 % f1 = [tf11 tf21];
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
324 % f2 = [tf12 tf22];
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
325
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
326 %%% System identification
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
327
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
328 % init output
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
329 ostruct = struct();
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
330 idx = 1;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
331
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
332 for dd = 1:mm
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
333 fun = squeeze(tf(1,dd,:));
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
334 % willing to work with columns
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
335 [a,b] = size(fun);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
336 if a<b
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
337 fun = fun.';
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
338 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
339 for ff = 2:nn
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
340 tfun = squeeze(tf(ff,dd,:));
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
341 % willing to work with columns
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
342 [a,b] = size(tfun);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
343 if a<b
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
344 tfun = tfun.';
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
345 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
346 fun = [fun tfun];
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
347 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
348
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
349 switch target % switch between z-domain and s-domain
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
350 case 'z'
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
351 for pp = 1:size(fun,2)
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
352
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
353 % Fitting with unstable poles %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
354 params = struct('spolesopt',spolesopt, 'Nmaxiter',Nmaxiter, 'minorder',minorder,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
355 'maxorder',maxorder, 'weightparam',weightparam, 'plot',checking,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
356 'ctp',ctp,'lrscond',lrscond,'msevar',msevar,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
357 'stabfit',0,'dterm',idt,'spy',spy,'fullauto',autosearch,'extweights',extweights);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
358
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
359 % Fitting
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
360 utils.helper.msg(utils.const.msg.PROC1, ' Fitting with unstable common poles ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
361 [res,poles,dterm,tmresp,trdl,tmsei] = utils.math.autodfit(fun(:,pp),f,fs,params);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
362
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
363 allpoles(pp).poles = poles;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
364 mresp(:,pp) = tmresp;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
365 rdl(:,pp) = trdl;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
366 msei(:,pp) = tmsei;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
367
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
368 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
369
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
370 if usesym
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
371 % Poles stabilization %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
372 utils.helper.msg(utils.const.msg.PROC1, ' All pass filtering')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
373 nfun = utils.math.pfallpsymz2(allpoles,mresp,f,fs);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
374 else
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
375 % Poles stabilization %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
376 utils.helper.msg(utils.const.msg.PROC1, ' All pass filtering')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
377 nfun = utils.math.pfallpz2(allpoles,mresp,f,fs);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
378 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
379
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
380 clear poles
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
381
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
382 % Fitting with stable poles %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
383
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
384 for zz = 1:size(fun,2)
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
385
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
386 % Fitting params
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
387 params = struct('spolesopt',spolesopt, 'Nmaxiter',Nmaxiter, 'minorder',minorder,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
388 'maxorder',maxorder, 'weightparam',weightparam, 'plot',checking,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
389 'ctp',ctp,'lrscond',lrscond,'msevar',msevar,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
390 'stabfit',1,'dterm',idt,'spy',spy,'fullauto',autosearch,'extweights',extweights);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
391
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
392 % Fitting
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
393 utils.helper.msg(utils.const.msg.PROC1, ' Fitting with stable common poles ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
394 [res,poles,dterm,tmresp,trdl,tmsef] = utils.math.autodfit(nfun(:,zz),f,fs,params);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
395
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
396
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
397 % Output stable model %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
398
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
399 ostruct(idx).res = res;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
400 ostruct(idx).poles = poles;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
401 ostruct(idx).dterm = dterm;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
402 ostruct(idx).mresp = mresp(:,zz);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
403 ostruct(idx).rdl = rdl(:,zz);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
404 ostruct(idx).mse = msei(:,zz);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
405
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
406 idx = idx + 1;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
407
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
408 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
409
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
410 case 's'
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
411 for pp = 1:size(fun,2)
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
412
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
413 % Fitting with unstable poles %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
414 params = struct('spolesopt',spolesopt, 'Nmaxiter',Nmaxiter, 'minorder',minorder,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
415 'maxorder',maxorder, 'weightparam',weightparam, 'plot',checking,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
416 'ctp',ctp,'lrscond',lrscond,'msevar',msevar,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
417 'stabfit',0,'dterm',idt,'spy',spy,'fullauto',autosearch,'extweights',extweights);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
418
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
419 % Fitting
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
420 utils.helper.msg(utils.const.msg.PROC1, ' Fitting with unstable common poles ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
421 [res,poles,dterm,tmresp,trdl,tmsei] = utils.math.autocfit(fun(:,pp),f,params);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
422
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
423 allpoles(pp).poles = poles;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
424 mresp(:,pp) = tmresp;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
425 rdl(:,pp) = trdl;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
426 msei(:,pp) = tmsei;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
427
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
428 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
429
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
430 if usesym
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
431 % Poles stabilization %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
432 utils.helper.msg(utils.const.msg.PROC1, ' All pass filtering')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
433 nfun = utils.math.pfallpsyms2(allpoles,mresp,f);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
434 else
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
435 % Poles stabilization %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
436 utils.helper.msg(utils.const.msg.PROC1, ' All pass filtering')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
437 nfun = utils.math.pfallps2(allpoles,mresp,f);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
438 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
439
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
440 clear poles
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
441
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
442 % Fitting with stable poles %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
443
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
444 for zz = 1:size(fun,2)
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
445
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
446 % Fitting params
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
447 params = struct('spolesopt',spolesopt, 'Nmaxiter',Nmaxiter, 'minorder',minorder,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
448 'maxorder',maxorder, 'weightparam',weightparam, 'plot',checking,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
449 'ctp',ctp,'lrscond',lrscond,'msevar',msevar,...
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
450 'stabfit',1,'dterm',idt,'spy',spy,'fullauto',autosearch,'extweights',extweights);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
451
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
452 % Fitting
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
453 utils.helper.msg(utils.const.msg.PROC1, ' Fitting with stable common poles ')
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
454 [res,poles,dterm,tmresp,trdl,tmsef] = utils.math.autocfit(nfun(:,zz),f,params);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
455
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
456
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
457 % Output stable model %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
458
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
459 ostruct(idx).res = res;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
460 ostruct(idx).poles = poles;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
461 ostruct(idx).dterm = dterm;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
462 ostruct(idx).mresp = mresp(:,zz);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
463 ostruct(idx).rdl = rdl(:,zz);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
464 ostruct(idx).mse = msei(:,zz);
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
465
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
466 idx = idx + 1;
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
467
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
468 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
469
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
470 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
471
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
472
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
473
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
474
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
475 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
476
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
477 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
478 end
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
479
f0afece42f48 Import.
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff changeset
480 % END %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%