54 lines
1.6 KiB
Mathematica
54 lines
1.6 KiB
Mathematica
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%% Load Data
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iff_g10 = load('../mat/apa95ml_iff_g10_res.mat', 'u', 't', 'y', 'v');
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iff_g100 = load('../mat/apa95ml_iff_g100_res.mat', 'u', 't', 'y', 'v');
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iff_of = load('../mat/apa95ml_iff_off_res.mat', 'u', 't', 'y', 'v');
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%% Compute TF
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Ts = 1e-4;
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win = hann(ceil(10/Ts));
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[tf_iff_g10, f] = tfestimate(iff_g10.u, iff_g10.y, win, [], [], 1/Ts);
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[co_iff_g10, ~] = mscohere(iff_g10.u, iff_g10.y, win, [], [], 1/Ts);
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[tf_iff_g100, f] = tfestimate(iff_g100.u, iff_g100.y, win, [], [], 1/Ts);
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[co_iff_g100, ~] = mscohere(iff_g100.u, iff_g100.y, win, [], [], 1/Ts);
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[tf_iff_of, ~] = tfestimate(iff_of.u, iff_of.y, win, [], [], 1/Ts);
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[co_iff_of, ~] = mscohere(iff_of.u, iff_of.y, win, [], [], 1/Ts);
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%% Coherence
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figure;
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hold on;
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plot(f, co_iff_of, '-', 'DisplayName', 'g=0')
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plot(f, co_iff_g10, '-', 'DisplayName', 'g=10')
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plot(f, co_iff_g100, '-', 'DisplayName', 'g=100')
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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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legend();
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xlim([60, 600])
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%% Compare Dynamics IFF ON/OFF
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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_iff_of), '-', 'DisplayName', 'g=0')
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plot(f, abs(tf_iff_g10), '-', 'DisplayName', 'g=10')
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plot(f, abs(tf_iff_g100), '-', 'DisplayName', 'g=100')
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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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hold off;
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legend();
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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_iff_of), '-')
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plot(f, 180/pi*angle(-tf_iff_g10), '-')
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plot(f, 180/pi*angle(-tf_iff_g100), '-')
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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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hold off;
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linkaxes([ax1,ax2], 'x');
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xlim([60, 600]);
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