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Many changes here and there. I lost track... :-(

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Current work is on MLSE and SD Decoding etc. MLSE is currently not 100% working, the scalings are maybe off?!
This commit is contained in:
Silas Oettinghaus
2025-08-11 07:42:04 +02:00
parent 09d9e5011c
commit 5dbc48abc0
37 changed files with 1506 additions and 570 deletions
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44
Classes/00_signals/Signal.m
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@@ -269,6 +269,7 @@ classdef Signal
SignalPower = [obj.power];
Nase = [0];
SignalCopy = obj.signal;
SignalCopy = [];
ModifierName = class(CallingModifier);
@@ -365,7 +366,7 @@ classdef Signal
if options.normalizeTo0dB
p_lin = p_lin./ max(p_lin);
p_dbm = 10*log10(p_lin); % normalized to 0 dB
ylab = "normalized to 0 dB";
ylab = "Normalized PSD";
else
p_dbm = 10*log10(p_lin);
ylab = "Power (dB/Hz)";
@@ -395,7 +396,7 @@ classdef Signal
if options.normalizeToNyquist == 0
xlabel("Frequency in GHz");
edgetick = 2^(nextpow2(obj.fs*1e-9));
xticks(-edgetick:16:edgetick);
xticks(-edgetick:32:edgetick);
xlim([100*round(min(w)/100,1)-10, 100*round(max(w)/100,1)+10])
xlim([-128 128]);%256GSa/s
else
@@ -406,13 +407,20 @@ classdef Signal
ylabel(ylab);
try
ylim([max(min(floor(min(p_dbm))-3, ax.YLim(1)),-40), min(max(ceil(max(p_dbm))+3, ax.YLim(2)),10)]);
ylim([max(min(floor(min(p_dbm))-3, ax.YLim(1)),-40), min(max(ceil(max(p_dbm))+3, ax.YLim(2)),10)]);
catch
ylim([floor(min(p_dbm))-3, ceil(max(p_dbm))+3]);
ylim([floor(min(p_dbm))-3, ceil(max(p_dbm))+3]);
end
ylim([floor(min(p_dbm))-3, ceil(max(p_dbm))+3]);
if options.normalizeTo0dB
% ylim([-40, 3]);
ylim([floor(min(p_dbm))-3, ceil(max(p_dbm))+3]);
else
ylim([floor(min(p_dbm))-3, ceil(max(p_dbm))+3]);
end
yticks(-200:10:10);
grid on; grid minor;
grid on;% grid minor;
legend
% legend('Interpreter','none');
@@ -912,8 +920,8 @@ classdef Signal
elseif mode == 1
% generate eye diagram using histogram
maxA = max(sig(100:end-100))*2;
minA = min(sig(100:end-100))*2;
maxA = max(sig(100:end-100))*1.3;
minA = min(sig(100:end-100))*1.3;
% maxA = 0.0015;
% minA = 0;
@@ -926,8 +934,8 @@ classdef Signal
nn=histcounts(data_ind_y(n,:),1:histpoints+1);
hist_data(:,n)=flip(nn.'); %without flip, the eye is upside down :-(
end
ax = gca;
plot_data = 20*log10(hist_data);
plot_data(plot_data==-Inf) = 0;
@@ -944,27 +952,29 @@ classdef Signal
if isa(obj,'Opticalsignal')
title(['Optical Eye ',options.displayname])
ylabel("Power in mW");
y_tickstring = string(linspace(maxA.*1e3,minA.*1e3,16));
y_tickstring = string(linspace(maxA.*1e3,minA.*1e3,6));
min_ = min(abs(obj.signal(100:end-100)).^2);
max_ = abs(max(obj.signal(100:end-100)).^2);
elseif isa(obj,'Electricalsignal')
title(['Electrical Eye ',options.displayname])
ylabel("Voltage in V");
y_tickstring = string(linspace(maxA,minA,16));
y_tickstring = string(linspace(maxA,minA,6));
min_ = min(obj.signal(100:end-100));
max_ = abs(max(obj.signal(100:end-100)));
else
title(['Digital Eye ',options.displayname])
ylabel("Digital Signal Amplitude");
y_tickstring = string(linspace(maxA,minA,16));
y_tickstring = string(linspace(maxA,minA,6));
min_ = min(obj.signal(100:end-100));
max_ = abs(max(obj.signal(100:end-100)));
end
xlabel('Time in ps')
% add information
if 0
if 1
pwr_dbm = round(obj.power,3);
pwr_lin = obj.power("unit",power_notation.W);
@@ -1073,13 +1083,15 @@ classdef Signal
end
yticks(linspace(0,histpoints,16));
yticks(linspace(0,histpoints,6));
y_tickstring = sprintfc('%.2f', y_tickstring);
yticklabels(y_tickstring);
xticks(linspace(0,histpoints_horizontal,8))
xticks(linspace(0,histpoints_horizontal,6))
x_tickstring = sprintfc('%.2f', linspace(0, 2/fsym, 8) .* 1e12);
xticklabels(x_tickstring);
grid off
end