Hoffice push

projects/standard_system/imdd_minimal_2.m

@@ -3,11 +3,17 @@
 params = struct;
 
 params.M                        = [4];
-params.datarate                 = [440];
+params.datarate                 = [300];
 params.rop                      = [0];
 
 precomp_mode = 2; %0=do nothing ; 1= measure; 2=precomp active
-precomp_path = "C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\standard_system\";
+
+if ismac
+    precomp_path = "/Users/silasoettinghaus/Documents/MATLAB/imdd_simulation/projects/standard_system";
+else
+    precomp_path = "C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\standard_system\";
+end
+
 precomp_fn = "400G_simulative_setup";
 usemrds = 0;
 
@@ -46,7 +52,7 @@ for M = wh.parameter.M.values
         [Digi_sig,Symbols,Bits] = PAMsource("fsym",fsym,"M",M,"order",18,"useprbs",0,...
             "fs_out",M8199.fdac,"applyclipping",1,"clipfactor",1.7,...
             "applypulseform",0,"pulseformer",Pform,"randkey",pn_key,...
-            "db_precode",1,...
+            "db_precode",0,...
             "mrds_code",usemrds,"mrds_blocklength",512).process();
 
         Digi_sig.eye(fsym,M);
@@ -56,7 +62,7 @@ for M = wh.parameter.M.values
             freqresp = ChannelFreqResp("Nacq",1024,"Navg",64,"Ncp",63,'f_ref',Digi_sig.fs);
             Digi_sig = freqresp.buildOFDM();
         elseif precomp_mode == 2
-            Digi_sig = freqresp.precomp(Digi_sig,'maxampdb',3,'loadPath',precomp_path,'fileName',precomp_fn);
+            Digi_sig = ChannelFreqResp("Nacq",1024,"Navg",64,"Ncp",63,'f_ref',Digi_sig.fs).precomp(Digi_sig,'maxampdb',3,'loadPath',precomp_path,'fileName',precomp_fn);
             Digi_sig.spectrum("fignum",11,"displayname",'after precomp');
         end
         
@@ -165,7 +171,7 @@ for M = wh.parameter.M.values
 
         toc
         disp(['Simulated: ',num2str(cnt/endcnt*100),' %']);
-        wh.save('C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\MPI_August\auswertung\')
+        % wh.save('C:\Users\Silas\Documents\MATLAB\imdd_simulation\projects\MPI_August\auswertung\')
 
     end
 end

projects/standard_system/testcode_duobinary.m

@@ -1,36 +0,0 @@
-% Define parameters
-n = 1;  % Define the memory length n+1 (e.g., 1 for duobinary, 2 for tribinary, 3 for tetrabinary)
-M = 4;  % Modulation order (e.g., 4 for QPSK)
-d = randi([0 M-1], 1, 100);  % Example input sequence d(k)
-
-% Pre-coding: bPR(k) = (d(k) - bPR(k-1)) mod M
-bPR = zeros(size(d));
-%bPR(1) = d(1);  % Initial condition for pre-coding
-
-for k = 1:numel(d)-1
-    bPR(k+1) = mod( d(k) - bPR(k), M );
-end
-
-% Polybinary coding: Convolution with (1 + z^-1)^n
-% Generate coefficients for the polybinary filter (1 + z^-1)^n
-coeff = ones(1, n+1);  % Initialize coefficients with ones
-
-for i = 2:n+1
-    coeff(i) = nchoosek(n, i-1);  % Binomial coefficient for expansion
-end
-
-% Apply convolution to get the polybinary coded sequence
-polybinary_data = conv(bPR, coeff, "same");
-
-% Modulo operation for decoding to stay within M levels
-d_reconstructed = mod(polybinary_data, M);
-
-% Check if reconstruction is correct
-reconstruction_success = isequal(d, d_reconstructed);
-
-figure(111)
-hold on
-stairs(d_reconstructed)
-stairs(d)
-
-disp(['Reconstruction success: ', num2str(reconstruction_success)]);