test-bench-apa/matlab/runtest.m

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Mathematica
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2020-07-17 11:46:45 +02:00
tg = slrt;
%%
f = SimulinkRealTime.openFTP(tg);
mget(f, 'apa95ml.dat');
% remove file on RT-target
% removefile(f, 'C:\data\data_001.dat')
close(f);
%% Convert the Data
data = SimulinkRealTime.utils.getFileScopeData('apa95ml.dat').data;
%%
figure;
subplot(1,2,1);
plot(data(:, 3), data(:, 1))
subplot(1,2,2);
plot(data(:, 3), data(:, 2))
%%
run setup;
win = hann(ceil(0.1/Ts));
[tf_est, f] = tfestimate(data(:, 1), data(:, 2), win, [], [], 1/Ts);
[co_est, ~] = mscohere(data(:, 1), data(:, 2), win, [], [], 1/Ts);
%%
figure;
hold on;
plot(f, co_est, 'k-')
set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'lin');
ylabel('Coherence'); xlabel('Frequency [Hz]');
hold off;
%%
figure;
ax1 = subplot(2, 1, 1);
hold on;
plot(f, abs(tf_est), 'k-', 'DisplayName', 'Identified')
set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'log');
ylabel('Amplitude'); xlabel('Frequency [Hz]');
legend();
hold off;
ax2 = subplot(2, 1, 2);
hold on;
plot(f, 180/pi*angle(-tf_est), 'k-')
set(gca, 'Xscale', 'log'); set(gca, 'Yscale', 'lin');
ylabel('Phase'); xlabel('Frequency [Hz]');
legend();
hold off;
linkaxes([ax1,ax2], 'x');
xlim([10, 5000]);