0
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
1 % cpsdForCorrelatedInputs computes the output theoretical CPSD shape with given inputs.
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
3 %
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
4 % DESCRIPTION: cpsdForCorrelatedInputs computes the output theoretical CPSD
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
5 % or PSD shape with given inputs.
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
6 % It returns summed and contributions only and takes
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
7 % input arrays of objects (instead of vectors)
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
8 %
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
9 % CALL: [mat_out] = CPSD(sys, pl)
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
10 %
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
11 % INPUTS:
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
12 % - sys, (array of) ssm object
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
13 %
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
14 % OUTPUTS:
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
15 % _ mat_out contains specified returned aos
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
16 %
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
17 % <a href="matlab:utils.helper.displayMethodInfo('ssm', 'cpsdForCorrelatedInputs')">Parameters Description</a>
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
18 %
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
19 % VERSION: $Id: cpsdForCorrelatedInputs.m,v 1.2 2011/05/23 14:18:20 adrien Exp $
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
20 %
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
21 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
22
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
23 function varargout = cpsdForCorrelatedInputs(varargin)
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
24
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
25 %% starting initial checks
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
26
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
27 % use the caller is method flag
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
28 callerIsMethod = utils.helper.callerIsMethod;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
29
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
30 % Check if this is a call for parameters
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
31 if utils.helper.isinfocall(varargin{:})
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
32 varargout{1} = getInfo(varargin{3});
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
33 return
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
34 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
35
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
36 utils.helper.msg(utils.const.msg.MNAME, ['running ', mfilename]);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
37
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
38 % Collect input variable names
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
39 in_names = cell(size(varargin));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
40 for ii = 1:nargin,in_names{ii} = inputname(ii);end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
41
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
42 % Collect all SSMs and plists
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
43 [sys, ssm_invars, rest] = utils.helper.collect_objects(varargin(:), 'ssm', in_names);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
44 [pl, invars2, rest] = utils.helper.collect_objects(rest(:), 'plist');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
45 if ~isempty(rest)
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
46 pl = combine(pl, plist(rest{:}));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
47 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
48 pl = combine(pl, getDefaultPlist());
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
49
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
50 %%% Internal call: Only one object + don't look for a plist
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
51 internal = strcmp(varargin{end}, 'internal');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
52
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
53 %% begin function body
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
54
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
55 %% retrieve system infos
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
56
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
57 if numel(sys)~=1
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
58 error('noisespectrum needs exactly one ssm as an input')
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
59 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
60 if ~sys.isnumerical
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
61 error(['error because system ',sys.name,' is not numerical']);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
62 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
63 if ~sys.isStable
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
64 error('input ssm is not stable!')
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
65 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
66 if sys.timestep==0
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
67 timestep = 1;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
68 else
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
69 timestep = sys.timestep;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
70 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
71 if ~internal
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
72 inhist = sys.hist;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
73 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
74
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
75 %% modifying system's ordering
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
76 if find(pl, 'reorganize')
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
77 sys = reorganize(sys, pl, 'set', 'for cpsdForCorrelatedInputs', 'internal', 'internal');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
78 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
79
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
80 %% collecting functions i/o data
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
81 aos_in = find(pl, 'aos');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
82 PZ_in = find(pl, 'PZmodels');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
83 cov_in = find(pl, 'covariance');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
84 cpsd_in = find(pl, 'CPSD');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
85 noise_in = blkdiag(cov_in, cpsd_in/(timestep*2));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
86 powWhiteNoise = noise_in;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
87 [U1,S1,V1] = svd(noise_in.'); % testing hermitian symmetry and definite positiveness
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
88 if (sum(S1<0)>0)
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
89 error('covariance/cpsd matrix is not positive')
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
90 elseif norm(U1-V1')>1e-15*sqrt(numel(U1))
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
91 error('covariance/cpsd matrix is not hermitian symmetric')
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
92 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
93
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
94 %% getting system's i/o sizes
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
95 inputSizes = sys.inputsizes;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
96 outputSizes = sys.outputsizes; %#ok<NASGU>
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
97
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
98 Naos_in = inputSizes(1);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
99 NPZmodels = inputSizes(3);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
100
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
101 %% retrieving frequency vector
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
102 if isempty(Naos_in)==0
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
103 f1 = find(pl,'f1');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
104 f2 = find(pl,'f2');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
105 NFreqs = find(pl,'nf');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
106 if isempty(f1) || isempty(f2)|| isempty(NFreqs)
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
107 error('### Please specify frequency vector a start and stop frequency .');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
108 else
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
109 freqs = 10.^linspace(log10(f1), log10(f2), NFreqs);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
110 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
111 else
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
112 freqs = aos_in(1).x;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
113 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
114
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
115 %% checking frequency vector
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
116 for i=2:numel(aos_in)
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
117 if ~isequal(freqs,aos_in(i).x)
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
118 error('there exist different frequency vectors');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
119 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
120 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
121
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
122 %% reshape pzmodels and aos for input cross-spectra
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
123 if size(PZ_in,1)==NPZmodels
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
124 PZdata = zeros(Npzmodels,Npzmodels,NFreqs);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
125 for i=1:NPZmodels
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
126 for j=1:Npzmodels
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
127 a = resp(PZ_in(i,j), freqs);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
128 PZdata(i,j,:) = reshape(a.y,[1,NFreqs]) ;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
129 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
130 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
131 else
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
132 error('Wrong size for field PZ_in')
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
133 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
134
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
135 if size(aos_in,1)==Naos_in && size(aos_in,2)==Naos_in
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
136 AOdata = zeros(Naos_in,Naos_in,NFreqs);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
137 for i=1:Naos_in
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
138 for j=1:Naos_in
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
139 AOdata(i,j,:) = reshape(aos_in(i,j).y,[1,NFreqs]) ;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
140 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
141 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
142 else
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
143 error('Wrong size for field aos_in')
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
144 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
145
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
146 %% SSM Transfer function
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
147 [a, b, c, d, Ts, InputName, StateName, OutputName,...
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
148 inputvarunits, ssvarunits, outputvarunits] = double(sys); %#ok<ASGLU>
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
149 resps = ssm.doBode(a, b, c, d, 2*pi*freqs, Ts);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
150 Noutputs = numel(OutputName);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
151
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
152 %% power for each frequency with SVD computation
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
153 diagOnly = pl.find('DIAGONAL ONLY');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
154 if diagOnly
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
155 Result = zeros(Noutputs,NFreqs);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
156 else
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
157 Result = zeros(Noutputs,Noutputs,NFreqs);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
158 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
159
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
160 for i_freq=1:NFreqs
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
161 %% contribution from aos, testing positiveness
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
162 powAO = squeeze(AOdata(:,:,i_freq));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
163 [U1,S1,V1] = svd(powAO.'); % testing hermitian symmetry and definite positiveness
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
164 if (sum(S1<0)>0)
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
165 error('AO covariance matrix is not positive')
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
166 elseif norm(U1-V1')>1e-15*sqrt(numel(U1))
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
167 error('AO covariance matrix is not hermitian symmetric')
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
168 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
169 %% contribution from PZmodels, testing positiveness
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
170 tfPZ = squeeze(PZdata(:,:,i_freq));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
171 powPZ = tfPZ * tfPZ';
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
172 %% summing all three contributions sources, computing CPSD
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
173 pow = blkdiag(powAO, powWhiteNoise, powPZ);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
174 RespLoc = squeeze(resps(:,:,i_freq));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
175 noise = RespLoc * pow * RespLoc' * (2*timestep) ;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
176 if diagOnly
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
177 Result(:,i_freq) = real(diag(noise)) ;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
178 else
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
179 Result(:,:,i_freq) = noise ;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
180 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
181 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
182
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
183 %% saving in aos
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
184 if diagOnly % making a psd only
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
185 ao_out = ao.initObjectWithSize(Noutputs, 1);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
186 for io=1:Noutputs
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
187 ao_out(io).setData(fsdata(freqs, squeeze(Result(io,:)) ));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
188 ao_out(io).setName( ['PSD of ' , OutputName{io}]);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
189 ao_out(io).setXunits('Hz');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
190 ao_out(io).setYunits(outputvarunits(io)*outputvarunits(io)/unit('Hz'));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
191 ao_out(io).setDescription( ['PSD of ' , OutputName{io}]);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
192 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
193 else % making a cpsd matrix
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
194 ao_out = ao.initObjectWithSize(Noutputs, Noutputs);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
195 for io=1:Noutputs
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
196 for jo=1:Noutputs
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
197 ao_out(io,jo).setData(fsdata(freqs, squeeze(Result(jo,io,:)) ));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
198 ao_out(io,jo).setXunits('Hz');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
199 ao_out(io,jo).setYunits(outputvarunits(io)*outputvarunits(jo)/unit('Hz'));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
200 if io~=jo
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
201 ao_out(io,jo).setName( ['Cross PSD of ', OutputName{jo}, ' and ', OutputName{io}]);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
202 ao_out(io,jo).setDescription( ['Cross PSD of ', OutputName{jo}, ' and ', OutputName{io}]);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
203 else
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
204 ao_out(io,jo).setName( ['PSD of ' , OutputName{jo}]);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
205 ao_out(io,jo).setDescription( ['PSD of ' , OutputName{jo}]);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
206 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
207 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
208 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
209 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
210
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
211 %% construct output matrix object
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
212 out = matrix(ao_out);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
213 if callerIsMethod
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
214 % do nothing
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
215 else
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
216 myinfo = getInfo('None');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
217 out.addHistory(myinfo, pl , ssm_invars(1), inhist );
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
218 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
219
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
220 %% Set output depending on nargout
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
221 if nargout == 1;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
222 varargout = {out};
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
223 elseif nargout == 0;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
224 iplot(ao_out);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
225 else
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
226 error('Wrong number of outputs')
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
227 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
228 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
229
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
230
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
231 %--------------------------------------------------------------------------
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
232 % Get Info Object
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
233 %--------------------------------------------------------------------------
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
234 function ii = getInfo(varargin)
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
235
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
236 if nargin == 1 && strcmpi(varargin{1}, 'None')
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
237 sets = {};
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
238 pl = [];
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
239 else
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
240 sets = {'Default'};
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
241 pl = getDefaultPlist;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
242 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
243 % Build info object
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
244 ii = minfo(mfilename, 'ssm', 'ltpda', utils.const.categories.op, '$Id: cpsdForCorrelatedInputs.m,v 1.2 2011/05/23 14:18:20 adrien Exp $', sets, pl);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
245
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
246 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
247
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
248 %--------------------------------------------------------------------------
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
249 % Get Default Plist
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
250 %--------------------------------------------------------------------------
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
251 function pl = getDefaultPlist()
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
252 pl = ssm.getInfo('reorganize', 'for cpsdForCorrelatedInputs').plists;
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
253 pl.remove('set');
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
254
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
255 p = param({'covariance', 'The covariance matrix of this noise between input ports for the <i>time-discrete</i> noise model.'}, []);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
256 pl.append(p);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
257
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
258 p = param({'CPSD', 'The one sided cpsd matrix of the white noise between input ports.'}, []);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
259 pl.append(p);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
260
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
261 p = param({'aos', 'An array of input AOs, provides the cpsd of the input noise.'}, ao.initObjectWithSize(1,0));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
262 pl.append(p);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
263
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
264 p = param({'PZmodels', 'An array of input pzmodels, used to filter the input noise.'}, paramValue.DOUBLE_VALUE(zeros(0,1)));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
265 pl.append(p);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
266
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
267 p = param({'reorganize', 'When set to 0, this means the ssm does not need be modified to match the requested i/o. Faster but dangerous!'}, paramValue.TRUE_FALSE);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
268 pl.append(p);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
269
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
270 p = param({'f2', 'The maximum frequency. Default is Nyquist or 1Hz.'}, paramValue.EMPTY_DOUBLE);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
271 pl.append(p);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
272
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
273 p = param({'f1', 'The minimum frequency. Default is f2*1e-5.'}, paramValue.EMPTY_DOUBLE);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
274 pl.append(p);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
275
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
276 p = param({'nf', 'The number of frequency bins. Frequencies are scale logarithmically'}, paramValue.DOUBLE_VALUE(200));
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
277 pl.append(p);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
278
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
279 p = param({'diagonal only', 'Set to true if you want the PSD instead of the CPSD'}, paramValue.TRUE_FALSE);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
280 pl.append(p);
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
281
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
282 end
|
Daniele Nicolodi <nicolodi@science.unitn.it>
parents:
diff
changeset
|
283
|