minor changes büro

filter_debug.m

@@ -0,0 +1,70 @@
+
+clear
+%% Set Simulation Variables 
+
+O = 18; %order of prbs
+N = 2^(O-1); %length of prbs
+[~,seed] = prbs(O,1); %initialize first seed of prbs
+
+% Modulation
+M = 4; %PAM-M
+bitpattern = zeros(N,log2(M));
+
+% Symbol Rate
+fsym = 112e9;
+
+% DAC Rate
+fdac = 120e9;
+
+% Simulation oversampling rate "k";
+kover = 16;
+
+% ADC Rate
+fadc = 256e9;
+
+% Simulation frequency in "analog domain"
+fsimu = kover * fdac ;
+
+
+
+%% CONSTRUCT ALL CLASSES
+
+digimod     = PAMmapper(M,0);
+
+pulsef      = Pulseformer("pulseform","rrc","fdac",fdac,"fsym",fsym,"pulselength",32,"rrcalpha",0.05);
+
+awg         = AWG('preset','M8199B','fdac',fdac,'kover',kover,'lpf_active',1,'f_cutoff',56e9,'lpf_type',filtertypes.gaussian,'bit_resolution',5.5);
+
+lp_laser    = Filter('filtdegree',1,"f_cutoff",30e9,"fsamp",fdac,"filterType",filtertypes.bessel_inp);
+
+
+
+%% PROCESS
+
+% PRBS Generation
+for i = 1:log2(M)
+    [bitpattern(:,i),seed] = prbs(O,N,seed);
+end
+
+% Build Inf. signal class
+bits        = Informationsignal(bitpattern);
+
+% Digi Mod
+mod_out     = digimod.map(bits);
+% merken für EQ training
+reference   = mod_out;
+
+% shape shape
+mod_out = pulsef.process(mod_out);
+test  = applyPulseShaping(reference.signal,fsym,fdac);
+
+% AWG -> ELECTRICAL DOMAIN
+X = lp_laser.process(mod_out);
+%X.spectrum(fsimu,"displayname",'AWG out','figurename','after AWG');
+
+
+
+
+
+
+