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small updates from work pc

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try to implement kalman filter for MPI mitigation
This commit is contained in:
sioe
2024-10-15 10:16:35 +02:00
parent 1540f87850
commit d8b4d6fe7c
12 changed files with 799 additions and 121 deletions
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35
Classes/04_DSP/Equalizer/FFE_FFDCAVG.m
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@@ -101,29 +101,6 @@ classdef FFE_FFDCAVG < handle
end
x = [zeros(floor(obj.order/2),1); x; zeros(obj.order,1)];
if showviz
f = figure(111);
subplot(2,2,1:2);
hold on
a = scatter(1:numel(x),x,1,'.');
a2 = scatter(1,1,1,'.');
a3 = scatter(1,1,2,'.');
a4 = xline(1);
ylim([-3 3])
xlim([0 length(x)]);
% subplot(2,2,3)
% dplot = x(1:1+500);
% b = scatter(1:numel(dplot),dplot,5,'x');
% xline(1)
% xline(obj.order)
% ylim([-3 3])
% xlim([0 500]);
subplot(2,2,3:4)
c = stem(obj.e);
ylim([-1 1])
drawnow
end
for epoch = 1 : epochs
@@ -185,19 +162,7 @@ classdef FFE_FFDCAVG < handle
normalizationfactor = (U.' * U);
obj.e = obj.e - err(symbol) * U / normalizationfactor; % Weight update rule of NLMS
end
if mod(sample,100) == 1 && showviz
a2.XData = 1:2*numel(y);
a2.YData = repelem(y, 2);
a3.XData = 1:2*numel(d_hat);
a3.YData = repelem(d_hat, 2);
a4.Value = sample;
% b.YData = x(symbol:symbol+500);
c.YData = obj.e;
drawnow;
end
obj.error(epoch,symbol) = err(symbol) * err(symbol)'; % Instantaneous square error