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validate sine over bypass using a post processing script in the logged data. Added folter post_processing and script checkTimeSamples

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canisio
2026-04-25 11:28:43 -03:00
parent 2f5a466ace
commit f9a2eff397
12 changed files with 104 additions and 1 deletions
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gm_soc_rfsoc_top_sw.slx
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referencedmodels/soc_rfsoc_proc.slx
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resources/project/Abllu374wtDd3IliE-5ZoGpf8mM/d5dEC3kotuZeerJ4IRjJh3LU3nMd.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<Info/>

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<?xml version="1.0" encoding="UTF-8"?>
<Info location="post_processing" type="File"/>

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resources/project/EEtUlUb-dLAdf0KpMVivaUlztwA/sOKZQKY-ifD0QKQdTG4oIEFctdkd.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<Info Ref="utilities/post_processing" Type="Relative"/>

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<?xml version="1.0" encoding="UTF-8"?>
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<?xml version="1.0" encoding="UTF-8"?>
<Info>
<Category UUID="FileClassCategory">
<Label UUID="design"/>
</Category>
</Info>

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<?xml version="1.0" encoding="UTF-8"?>
<Info location="checkTimeSamples.m" type="File"/>

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<?xml version="1.0" encoding="UTF-8"?>
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<Info location="1" type="DIR_SIGNIFIER"/>

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utilities/post_processing/checkTimeSamples.m Normal file
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%% =========================================================
% Data
% =========================================================
X = single(complex_out.Data);
%% =========================================================
% Parameters
% =========================================================
Fs = 512e6; % Sampling rate (Hz)
N = 512; % Frame size
% Your data variable (rename if needed)
% Expected size: [512 x 4 x 8]
% X(frameSamples, frameIndex, timeIndex)
% Example: X = your_workspace_variable;
[nSamples, nFrames, nTime] = size(X);
%% =========================================================
% FFT Computation
% =========================================================
FFT_all = zeros(N, nFrames*nTime);
idx = 1;
for t = 1:nTime
for f = 1:nFrames
x = X(:, f, t);
% Optional window (uncomment if needed)
% w = hann(N);
% x = x .* w;
Xf = fftshift(fft(x));
FFT_all(:, idx) = abs(Xf);
idx = idx + 1;
end
end
%% =========================================================
% Axes
% =========================================================
f_axis = (-N/2 : N/2-1) * (Fs/N) / 1e6; % MHz
t_axis = 1:(nFrames*nTime); % frame index
%% =========================================================
% Spectrogram-like view (BEST)
% =========================================================
figure;
surf(t_axis, f_axis, 20*log10(FFT_all + 1e-12), 'EdgeColor', 'none');
view(2);
axis tight;
xlabel('Frame index');
ylabel('Frequency (MHz)');
title('FFT over time (per frame)');
colorbar;
%% =========================================================
% 3D Visualization (optional)
% =========================================================
figure;
surf(t_axis, f_axis, FFT_all, 'EdgeColor', 'none');
xlabel('Frame index');
ylabel('Frequency (MHz)');
zlabel('Magnitude');
title('3D FFT evolution');
%% =========================================================
% Single frame debug (optional)
% =========================================================
figure;
x_dbg = X(:,1,1);
Xf_dbg = fftshift(fft(x_dbg));
plot(f_axis, 20*log10(abs(Xf_dbg)+1e-12));
grid on;
xlabel('Frequency (MHz)');
ylabel('Magnitude (dB)');
title('Single Frame FFT');

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utilities/soc_rfsoc_init.m
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@@ -49,7 +49,7 @@ pulseGenGain = 1;
%% Software parameters %% Software parameters
% Signal generator update rate % Signal generator update rate
TsSW = 0.001; TsSW = 0.5;
%% Simulation parameters %% Simulation parameters