changes from zurich; my mac

test/matched_filter_minimal.m

@@ -0,0 +1,51 @@
+%%% Run parameters
+% TX
+M               = 4;
+fsym            = 32e9;
+
+apply_pulsef    = 1;
+fdac            = 256e9;
+fadc            = 256e9;
+random_key      = 1;
+
+precomp         = 0;
+db_precode      = 0;
+
+db_encode       = 0;
+
+rcalpha         = 0.05;
+kover           = 16;
+vbias_rel       = 0.5;
+u_pi            = 2.9;
+vbias           = -vbias_rel*u_pi;
+laser_wavelength    = 1293;
+laser_linewidth     = 0;
+tx_bw_nyquist   = 0.8;
+
+% 1) PRBS Generation
+O = 18; %order of prbs
+N = 2^(O-1); %length of prbs
+
+rcalpha     = 1;
+Pform       = Pulseformer("fsym",fsym,"fdac",fdac,"pulse","rrc","pulselength",1024,"alpha",rcalpha);
+
+
+
+[Digi_sig,Symbols,Tx_bits] = PAMsource(...
+    "fsym",fsym,"M",M,"order",18,"useprbs",0,...
+    "fs_out",fdac,...
+    "applyclipping",0,"clipfactor",1.5,...
+    "applypulseform",apply_pulsef,"pulseformer",Pform,...
+    "randkey",random_key,...
+    "db_precode",db_precode,"db_encode",db_encode,...
+    "mrds_code",0,"mrds_blocklength",512).process();
+
+Digi_sig.spectrum("displayname",'Signal after shaping','fignum',1);
+% Digi_sig.move_it_spectrum("displayname",'Signal after shaping','fignum',2);
+
+% Digi_sig = Digi_sig.resample("fs_out",fsym);
+
+MF = Pulseformer("fsym",fsym,"fdac",fdac,"pulse","rrc","pulselength",1024,"alpha",rcalpha,"matched",0);
+Digi_sig = MF.process(Digi_sig);
+
+Digi_sig.spectrum("displayname",'Signal after shaping','fignum',1);

test/test_mapping_eth.m

@@ -0,0 +1,29 @@
+
+% Setup PRBS parameters
+O = 12;
+M = 2;
+N = 2^(O-1); % Length of PRBS
+randkey = 1; % Random key for random stream
+
+[~, seed] = prbs(O, 1); % Initialize first seed of PRBS
+bitpattern = [];
+
+s = RandStream('twister', 'Seed', randkey);
+for i = 1:log2(M)
+    bitpattern(:, i) = randi(s, [0 1], N, 1);
+end
+
+Tx_bits = Informationsignal(bitpattern);
+
+Digi_Mod = PAMmapper(M, 0,"eth_style",1);
+
+% Map bits to symbols
+Symbols = Digi_Mod.map(Tx_bits);
+
+% Demap symbols back to bits
+Rx_bits = Digi_Mod.demap(Symbols);
+
+[~, error_num, ber, ~] = calc_ber(Tx_bits.signal, Rx_bits.signal, ...
+    "skip_front", 0, "skip_end", 0, "returnErrorLocation", 1);
+
+fprintf('BER VNLE: %.1E \n',ber);