57 lines
1.2 KiB
Mathematica
57 lines
1.2 KiB
Mathematica
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tg = slrt;
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%%
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f = SimulinkRealTime.openFTP(tg);
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mget(f, 'apa95ml.dat');
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% remove file on RT-target
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% removefile(f, 'C:\data\data_001.dat')
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close(f);
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%% Convert the Data
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data = SimulinkRealTime.utils.getFileScopeData('apa95ml.dat').data;
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%%
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figure;
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subplot(1,2,1);
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plot(data(:, 3), data(:, 1))
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subplot(1,2,2);
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plot(data(:, 3), data(:, 2))
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%%
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run setup;
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win = hann(ceil(0.1/Ts));
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[tf_est, f] = tfestimate(data(:, 1), data(:, 2), win, [], [], 1/Ts);
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[co_est, ~] = mscohere(data(:, 1), data(:, 2), win, [], [], 1/Ts);
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%%
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figure;
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hold on;
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plot(f, co_est, 'k-')
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set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'lin');
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ylabel('Coherence'); xlabel('Frequency [Hz]');
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hold off;
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%%
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figure;
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ax1 = subplot(2, 1, 1);
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hold on;
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plot(f, abs(tf_est), 'k-', 'DisplayName', 'Identified')
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set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'log');
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ylabel('Amplitude'); xlabel('Frequency [Hz]');
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legend();
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hold off;
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ax2 = subplot(2, 1, 2);
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hold on;
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plot(f, 180/pi*angle(-tf_est), 'k-')
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set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'lin');
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ylabel('Phase'); xlabel('Frequency [Hz]');
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legend();
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hold off;
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linkaxes([ax1,ax2], 'x');
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xlim([10, 5000]);
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