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| author | Daniele Nicolodi <nicolodi@science.unitn.it> |
|---|---|
| date | Mon, 05 Dec 2011 16:20:06 +0100 |
| parents | f0afece42f48 |
| children |
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% Test script for sDomainFit % % L. Ferraioli 02-12-08 % % $Id: test_ao_sDomainFit_1.m,v 1.5 2009/08/27 11:39:23 luigi Exp $ % %% Building a frequency response % Create a frequency-series AO % pl_data = plist('fsfcn', '0.01./(0.01+f)', 'f1', 1e-6, 'f2', 5, 'nf', 1000); pl_data = plist('fsfcn', '(1e-3./(f).^2 + 1e3./(0.001+f) + 1e5.*f.^2).*1e-10', 'f1', 1e-6, 'f2', 5, 'nf', 1000); a = ao(pl_data); iplot(a) %% Fitting 1 % Check if Mean Square Error is lower than FITTOL and its relative % variation is lower than MSEVARTOL % Fitting parameter list pl_fit = plist('AutoSearch','on',... 'StartPoles',[],... 'StartPolesOpt','clog',... 'maxiter',40,... 'minorder',15,... 'maxorder',20,... 'weights',[],... 'weightparam','abs',... 'CONDTYPE','MSE',... 'FITTOL',1e-3,... 'MSEVARTOL',1e-2,... 'Plot','on',... 'ForceStability','off',... 'direct term','off',... 'CheckProgress','off'); % Do fit mod = sDomainFit(a, pl_fit); %% Fitting 2 % Check if Rresiduals log difference is larger than FITTOL and MSE relative % variation is lower than MSEVARTOL % Fitting parameter list pl_fit = plist('AutoSearch','on',... 'StartPoles',[],... 'StartPolesOpt','clog',... 'maxiter',40,... 'minorder',15,... 'maxorder',20,... 'weights',[],... 'weightparam','abs',... 'CONDTYPE','RLD',... 'FITTOL',1,... 'MSEVARTOL',1e-2,... 'Plot','off',... 'ForceStability','off',... 'direct term','off',... 'CheckProgress','off'); % Do fit mod = sDomainFit(a, pl_fit); %% Fitting 3 % Check if Rresiduals spectral flatness is larger than FITTOL and MSE relative % variation is lower than MSEVARTOL % Fitting parameter list pl_fit = plist('AutoSearch','on',... 'StartPoles',[],... 'StartPolesOpt','clog',... 'maxiter',40,... 'minorder',15,... 'maxorder',20,... 'weights',[],... 'weightparam','abs',... 'CONDTYPE','RSF',... 'FITTOL',0.03,... 'MSEVARTOL',1e-2,... 'Plot','off',... 'ForceStability','off',... 'direct term','off',... 'CheckProgress','off'); % Do fit mod = sDomainFit(a, pl_fit); %% Comparison resp = mod.objs.procinfo.find('FIT_RESP'); resids = mod.objs.procinfo.find('FIT_RESIDUALS'); mse = mod.objs.procinfo.find('FIT_MSE'); iplot(a,resp,abs(resids)) iplot(mse,plist('Yscales','log')) %% Help test pl_data = plist('fsfcn', '(1e-3./(f).^2 + 1e3./(0.001+f) + 1e5.*f.^2).*1e-10', 'f1', 1e-6, 'f2', 5, 'nf', 1000); a = ao(pl_data); a.setName; % Fitting parameter list pl_fit = plist(... 'AutoSearch','on',... 'StartPolesOpt','clog',... 'maxiter',50,... 'minorder',7,... 'maxorder',15,... 'weightparam','abs',... 'CONDTYPE','MSE',... 'FITTOL',1e-3,... 'MSEVARTOL',1e-2,... 'Plot','on',... 'ForceStability','off'); % Do fit mod = sDomainFit(a, pl_fit);