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annotate m-toolbox/test/test_timedomainfit.m @ 30:317b5f447f3e database-connection-manager

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author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 16:20:06 +0100
parents f0afece42f48
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % Test file for ltpda_timedomain fit. This does a noise subtraction from
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Daniele Nicolodi <nicolodi@science.unitn.it>
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2 % engineering model data.
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3 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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4 % M Hewitson 18-03-07
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Daniele Nicolodi <nicolodi@science.unitn.it>
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5 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 % $Id: test_timedomainfit.m,v 1.2 2008/07/29 15:11:44 ingo Exp $
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Daniele Nicolodi <nicolodi@science.unitn.it>
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7 %
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8
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Daniele Nicolodi <nicolodi@science.unitn.it>
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9 %% Load data into analysis objects
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Daniele Nicolodi <nicolodi@science.unitn.it>
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10 disp('*** Loading data....')
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Daniele Nicolodi <nicolodi@science.unitn.it>
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11 x12 = ao('~/frommario/Data/x12.txt'); %x12
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Daniele Nicolodi <nicolodi@science.unitn.it>
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12 phi1 = ao('~/frommario/Data/phi1.txt'); %phi1
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Daniele Nicolodi <nicolodi@science.unitn.it>
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13 eta1 = ao('~/frommario/Data/eta1.txt'); %eta1
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14 phi12 = ao('~/frommario/Data/phi12.txt'); %phi12
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15 eta12 = ao('~/frommario/Data/eta12.txt'); %eta12
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Daniele Nicolodi <nicolodi@science.unitn.it>
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16 disp('*** Done.')
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17
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Daniele Nicolodi <nicolodi@science.unitn.it>
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18 % get the sample frequency for designing bandpass filter
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Daniele Nicolodi <nicolodi@science.unitn.it>
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19 d1 = x12.data;
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20 fs = d1.fs;
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21
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Daniele Nicolodi <nicolodi@science.unitn.it>
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22 %% Load bandpass
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Daniele Nicolodi <nicolodi@science.unitn.it>
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23 pl = plist();
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Daniele Nicolodi <nicolodi@science.unitn.it>
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24 pl = append(pl, param('type', 'bandpass'));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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25 % pl = append(pl, param('fs', fs));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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26 pl = append(pl, param('fc', [0.003 0.03]));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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27 pl = append(pl, param('order', 2));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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28 bp = miir(pl);
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29
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Daniele Nicolodi <nicolodi@science.unitn.it>
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30 %% Filter data and remove startup transients
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31
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Daniele Nicolodi <nicolodi@science.unitn.it>
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32 % parameter list for split()
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Daniele Nicolodi <nicolodi@science.unitn.it>
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33 % to remove startup transient of filters
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Daniele Nicolodi <nicolodi@science.unitn.it>
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34 spl = plist(param('times', [1000 2000]));
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35
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Daniele Nicolodi <nicolodi@science.unitn.it>
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36 % parameter list for filter()
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Daniele Nicolodi <nicolodi@science.unitn.it>
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37 fpl = plist(param('filter', bp));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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38
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Daniele Nicolodi <nicolodi@science.unitn.it>
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39 % filter and split data
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Daniele Nicolodi <nicolodi@science.unitn.it>
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40 x12f = split(filter(x12, fpl), spl);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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41 phi1f = split(filter(phi1, fpl), spl);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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42 eta1f = split(filter(eta1, fpl), spl);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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43 phi12f = split(filter(phi12, fpl), spl);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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44 eta12f = split(filter(eta12, fpl), spl);
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45
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46
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Daniele Nicolodi <nicolodi@science.unitn.it>
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47 %% Make Timedomainfit
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48
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Daniele Nicolodi <nicolodi@science.unitn.it>
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49 coeffsAO = timedomainfit(x12f, phi1f, eta1f, phi12f, eta12f);
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50
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Daniele Nicolodi <nicolodi@science.unitn.it>
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51 %% Make linear combination
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52
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Daniele Nicolodi <nicolodi@science.unitn.it>
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53 x12_fit = lincom(phi1, eta1, phi12, eta12, coeffsAO);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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54 x12ns = x12 - x12_fit;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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55 %% Make LPSD of each
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56
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Daniele Nicolodi <nicolodi@science.unitn.it>
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57 % Window function
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Daniele Nicolodi <nicolodi@science.unitn.it>
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58 w = specwin('Kaiser', 10, 150);
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59
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Daniele Nicolodi <nicolodi@science.unitn.it>
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60 % parameter list for lpsd
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Daniele Nicolodi <nicolodi@science.unitn.it>
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61 pl = plist();
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Daniele Nicolodi <nicolodi@science.unitn.it>
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62 pl = append(pl, param('Kdes', 100));
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63 pl = append(pl, param('Kmin', 2));
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64 pl = append(pl, param('Jdes', 500));
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65 pl = append(pl, param('Win', w));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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66 pl = append(pl, param('order', 1));
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Daniele Nicolodi <nicolodi@science.unitn.it>
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67 % LPSD of filtered x12
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Daniele Nicolodi <nicolodi@science.unitn.it>
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68 x12fxx = lpsd(x12f, pl);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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69 x12xx = lpsd(x12, pl);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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70 x12nsxx = lpsd(x12ns, pl);
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71
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Daniele Nicolodi <nicolodi@science.unitn.it>
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72 %% Plot results
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73
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Daniele Nicolodi <nicolodi@science.unitn.it>
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74 iplot([x12fxx x12xx x12nsxx])
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Daniele Nicolodi <nicolodi@science.unitn.it>
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75 legend('Bandpassed X12', 'X12', 'X12 with noise subtracted');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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76 %%
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Daniele Nicolodi <nicolodi@science.unitn.it>
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77 figure
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Daniele Nicolodi <nicolodi@science.unitn.it>
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78 plot(x12ns.hist)
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79
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80 %%
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81
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82 save(x12fxx, 'x12fxx.xml');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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83 save(x12xx, 'x12xx.xml');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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84 save(x12nsxx, 'x12nsxx.xml');
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85
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Daniele Nicolodi <nicolodi@science.unitn.it>
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86 return
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Daniele Nicolodi <nicolodi@science.unitn.it>
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87
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Daniele Nicolodi <nicolodi@science.unitn.it>
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88 %% Reproduce from history
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89
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Daniele Nicolodi <nicolodi@science.unitn.it>
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90 % Write an m-file from AO
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Daniele Nicolodi <nicolodi@science.unitn.it>
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91 ao2m(x12nsxx, 'test.m');
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Daniele Nicolodi <nicolodi@science.unitn.it>
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92
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Daniele Nicolodi <nicolodi@science.unitn.it>
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93 %% now run it
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Daniele Nicolodi <nicolodi@science.unitn.it>
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94 test
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Daniele Nicolodi <nicolodi@science.unitn.it>
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95
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Daniele Nicolodi <nicolodi@science.unitn.it>
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96 figure
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Daniele Nicolodi <nicolodi@science.unitn.it>
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97 plot(a1)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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98 figure
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Daniele Nicolodi <nicolodi@science.unitn.it>
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99 plot(a1.hist)