ecoc measurements

Functions/EQ_structures/vnle_postfilter_mlse.m

@@ -19,7 +19,9 @@ end
 [eq_signal_sd,eq_noise] = eq_.process(rx_signal,tx_symbols);
 
 if ~isempty(options.postFFE)
+    tic
     [eq_signal_sd,eq_noise] = options.postFFE.process(eq_signal_sd,tx_symbols);
+    toc
 end
 
 eq_signal_hd = PAMmapper(M,0).quantize(eq_signal_sd);
@@ -237,29 +239,32 @@ if options.showAnalysis
 
     % fprintf(['VNLE EVM lvl: ',repmat('%.3f ',1,numel(evm_lvl)),' \n'],evm_lvl);
 
-    fprintf('VNLE BER: %.2e \n',ber_vnle);
-
-    fprintf('MLSE BER: %.2e \n',ber_mlse);
+    % fprintf('VNLE BER: %.2e \n',ber_vnle);
+    % 
+    % fprintf('MLSE BER: %.2e \n',ber_mlse);
 
+     figure(336);clf;
     showEQNoisePSD(eq_noise,"fignum",336,"displayname",'Residual Noise after VNLE','postfilter_taps',pf_.coefficients);
 
+    % figure(337);clf;
+    % rx_signal.spectrum("normalizeTo0dB",1,"fignum",337,"displayname",'Rx Signal');
 
-    rx_signal.spectrum("normalizeTo0dB",1,"fignum",337,"displayname",'Rx Signal');
+    %  figure(338);clf;
+    % showEQcoefficients('n1',eq_.e,'n2',eq_.e2,'n3',eq_.e3,"displayname",'Coefficients','fignum',338);
 
-    tx_symbols.spectrum("normalizeTo0dB",1,"fignum",337,'displayname','Tx Signal');
+    if ~isempty(options.postFFE)
+        showEQcoefficients('n1',options.postFFE.e,"displayname",'Coefficients','fignum',338);
+    end
 
-    showLevelHistogram(eq_signal_sd,tx_symbols)
-    % showLevelHistogram(mlse_sig_sd,tx_symbols)
+    showEQfilter(eq_.e,eq_signal_sd.fs.*2);
 
-    showEQcoefficients('n1',eq_.e,'n2',eq_.e2,'n3',eq_.e3,"displayname",'Coefficients');
+     figure(340);clf;
+    eq_signal_sd.eye(eq_signal_sd.fs,M,"fignum",340);
 
-    showEQNoiseSNR(tx_symbols,eq_noise,"displayname",'vnle snr','fignum',101);
+     figure(341);clf;
+    showLevelHistogram(eq_signal_sd,tx_symbols,"fignum",341);
 
-    %%% EQ SNR Spectrum %230
-    %snr
-
-
-    % showErrorBurstCount(eq_signal_sd,tx_symbols)
+    % autoArrangeFigures(3,3,2)
 
 
 end

Functions/EQ_visuals/showEQcoefficients.m

@@ -53,8 +53,8 @@ function showEQcoefficients(options)
 
     for i = 1:numSubplots
         subplot(1, numSubplots, i);
-        stem(coeffs{i}, 'Color', options.color, 'LineWidth', 1, ...
-             'Marker', '.', 'MarkerSize', 10);
+        stem(coeffs{i}, 'Color', options.color, 'LineWidth', 0.1, ...
+             'Marker', '.', 'MarkerSize', 1);
         title(titles{i});
         ylim([-1, 1]); % Set y-axis limits to [-1, 1]
         grid on;

Functions/EQ_visuals/showEQfilter.m

@@ -14,7 +14,7 @@ function showEQfilter(coefficients,fs)
     H = H(1:half_nfft);
     
     % Plot the magnitude and phase responses.
-    figure;
+    figure(339);
     
     % Magnitude response (in dB)
     subplot(2,1,1);

Functions/Lab_helper/holdAndShowValue.m

@@ -15,7 +15,7 @@ function holdAndShowValue()
                         'ButtonPushedFcn', @(src, event) closeWindow());
 
     % Initialize the timer
-    updateTimer = timer('ExecutionMode', 'fixedRate', 'Period', 1, ...
+    updateTimer = timer('ExecutionMode', 'fixedRate', 'Period', 0.1, ...
                         'TimerFcn', @(src, event) updatePowerValues());
 
     % Start the timer

Functions/Lab_helper/loadFreqResp.m

@@ -1,9 +1,34 @@
+% Define the precomp path
+precomp_path = "C:\Users\sioe\Documents\MATLAB\imdd_simulation\projects\ECOC_2025\";
 
-precomp_path = "D:\kiel_dsp\imdd_simulation\projects\HighSpeed_ETH";
-precomp_filename = "lab_high_speed_nachtschichtmzm";
-% precomp_filename = "lab_high_speed";
-% precomp_filename = "lab_high_speed";
+% Step 1: Find all valid files (assume .mat files for ChannelFreqResp)
+fileList = dir(fullfile(precomp_path, '*.mat'));
+fileNames = {fileList.name};
 
-freqresp = ChannelFreqResp("Nacq",1024,"Navg",64,"Ncp",63,'f_ref',92e9);
-freqresp.load('loadPath',precomp_path,'fileName',precomp_filename);
-freqresp.plot();
+% Check if any files found
+if isempty(fileNames)
+    error('No valid .mat files found in the specified folder.');
+end
+
+% Step 2: Let user select which files to plot
+[selection, ok] = listdlg( ...
+    'PromptString', 'Select Transfer Functions to Plot:', ...
+    'SelectionMode', 'multiple', ...
+    'ListString', fileNames);
+
+% Check if user pressed OK
+if ~ok || isempty(selection)
+    disp('No files selected. Exiting.');
+    return;
+end
+
+% Step 3: Loop over selected files and plot
+for idx = selection
+    precomp_filename = erase(fileNames{idx}, '.mat'); % Remove .mat extension
+
+    freqresp = ChannelFreqResp("Nacq",1024,"Navg",64,"Ncp",63,'f_ref',92e9);
+    freqresp.load('loadPath', precomp_path, 'fileName', precomp_filename);
+    
+    fprintf('Plotting: %s\n', precomp_filename);
+    freqresp.plot();
+end