include check scripts to the project.

changed pulseWidth to pulseT.

utilities/post_processing/checkFreqSamples.m

@@ -0,0 +1,87 @@
+%% =========================================================
+%  Data
+% =========================================================
+X = single(raw_DPW.Data);   % [512 x nFrames x nTime]
+X = X(:,:,2:end);           % First DPW is zeroed
+X = 2*X;                    % Rescale (see channelizer block on PL)
+
+[nSamples, nFrames, nTime] = size(X);
+N  = nSamples;
+
+%% =========================================================
+%  Parameters
+% =========================================================
+Fs = 512e6; % Hz
+
+f_axis = (-N/2 : N/2-1) * (Fs/N) / 1e6; % MHz
+
+%% =========================================================
+%  Apply fftshift per frame (dim = 1)
+% =========================================================
+X_shift = fftshift(X, 1);
+
+%% =========================================================
+%  Convert to power
+% =========================================================
+P = abs(X_shift).^2;
+
+%% =========================================================
+%  OPTION 1 — Mean Spectrum (over frames AND time)
+% =========================================================
+P_mean = mean(P, [2 3]);   % average over frames and triggers
+P_mean = squeeze(P_mean);  % [512 x 1]
+
+figure;
+plot(f_axis, 10*log10(P_mean + 1e-12), 'LineWidth', 1.5);
+grid on;
+
+xlabel('Frequency (MHz)');
+ylabel('Power (dB)');
+title('Mean Channelized Spectrum (Frames + Time)');
+
+%% =========================================================
+%  OPTION 2 — Max Spectrum (detect intermittent peaks)
+% =========================================================
+P_max = max(P, [], [2 3]);
+P_max = squeeze(P_max);
+
+figure;
+plot(f_axis, 10*log10(P_max + 1e-12), 'LineWidth', 1.5);
+grid on;
+
+xlabel('Frequency (MHz)');
+ylabel('Power (dB)');
+title('Max Channelized Spectrum (Frames + Time)');
+
+%% =========================================================
+%  OPTION 3 — Time-Frequency Visualization
+% =========================================================
+% Collapse frames → keep time evolution
+P_time = squeeze(mean(P, 2));   % [512 x nTime]
+
+figure;
+surf(1:nTime, f_axis, 10*log10(P_time + 1e-12), 'EdgeColor','none');
+view(2);
+axis tight;
+
+xlabel('Trigger Index');
+ylabel('Frequency (MHz)');
+title('Channelizer Output Over Time');
+colorbar;
+
+%% =========================================================
+%  OPTIONAL — Frame evolution inside a single trigger
+% =========================================================
+t_sel = 5; % pick last capture
+
+P_frame = squeeze(P(:,:,t_sel)); % [512 x nFrames]
+
+figure;
+surf(1:nFrames, f_axis, 10*log10(P_frame + 1e-12), 'EdgeColor','none');
+view(2);
+axis tight;
+
+xlabel('Frame Index');
+ylabel('Frequency (MHz)');
+title(['Channelizer Output Within DPW (Trigger ', num2str(t_sel), ')']);
+colorbar;