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Working from home on zürich DSP.

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silas (home)
2025-03-10 08:56:17 +01:00
parent affdb4ad6f
commit bc86fa8d98
22 changed files with 459 additions and 137 deletions
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55
Classes/01_transmit/PAMsource.m
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@@ -71,20 +71,17 @@ classdef PAMsource
function [digi_sig,symbols,bits] = process(obj)
%%%%% PRBS Generation in correct shape for Modulation Format %%%%%%
O = obj.order; %order of prbs
N = 2^(O-1); %length of prbs
[~,seed] = prbs(O,1); %initialize first seed of prbs
bitpattern=[];
if obj.useprbs
% for i = 1:log2(obj.M)
% [bitpattern(:,i),seed] = prbs(O,N,seed);
% end
% O = obj.order; %order of prbs
% N = 2^(O-1); %length of prbs
% [~,seed] = prbs(O,1); %initialize first seed of prbs
% % for i = 1:log2(obj.M)
% % [bitpattern(:,i),seed] = prbs(O,N,seed);
% % end
%%%%% MOVE-IT PRMS %%%%
state = struct();
para = struct();
@@ -155,24 +152,46 @@ classdef PAMsource
sym_max = max(symbols.signal);
end
% symbols.spectrum("fignum",111,"displayname","1) RAW SIGNAL");
pulsf = Moveit_wrapper('pulsef');
pulsf.para.alpharacos = obj.pulseformer.alpha;
pulsf.para.f_sym = obj.fsym;
pulsf.para.fs = obj.fsym;
pulsf.para.pulse = 'racos';
pulsf.process(symbols);
%%%%% Pulse-forming %%%%%%
if obj.applypulseform
%%% MY CODE
digi_sig = obj.pulseformer.process(symbols);
%%% MOVEIT WRAPPER BETA
% symbols.spectrum("fignum",111,"displayname","1) RAW SIGNAL");
%
% pulsf = Moveit_wrapper('pulsef');
% pulsf.para.alpharacos = obj.pulseformer.alpha;
% pulsf.para.f_sym = obj.fsym;
% pulsf.para.fs = obj.fsym;
% pulsf.para.pulse = 2;
%
% digi_sig = pulsf.process(symbols);
% Design raised cosine filter with given order in symbols
% digi_sig = symbols;
% sps = 4;
% nsym = 128;
% rctFilt3 = comm.RaisedCosineTransmitFilter(...
% Shape='Square root', ...
% RolloffFactor=1, ...
% FilterSpanInSymbols=nsym, ...
% OutputSamplesPerSymbol=sps);
%
% digi_sig.signal = rctFilt3([symbols.signal; zeros(nsym/2,1)]);
% % Correct for propagation delay by removing filter transients
% fltDelay = nsym / (2*obj.fsym);
% digi_sig.signal = digi_sig.signal(fltDelay*sps*obj.fsym+1:end);
%
% digi_sig.fs = sps .* symbols.fs;
else
digi_sig = symbols;
end
% digi_sig.spectrum("fignum",112,"displayname","2) after pulseforming");
%%%%% Re-sample to f DAC %%%%%%
n = 10;