Stuff during JLT writing...

Functions/Theory/Neuer Ordner/duobinary_histogram.m

@@ -1,51 +0,0 @@
-
-
-
-figure(2)
-tiledlayout(1,3)
-cols = linspecer(5);
-cnt = 1;
-for m = [4,6,8]
-
-    M = m;
-    fsym = 112e9;
-    fdac = 256e9;
-    
-    [Digi_sig,Symbols,Tx_bits] = PAMsource(...
-        "fsym",fsym,"M",M,"order",19,"useprbs",1,...
-        "fs_out",fdac,...
-        "applyclipping",0,"clipfactor",1.5,...
-        "applypulseform",0,"pulseformer",NaN,...
-        "randkey",33,...
-        "db_precode",1,"db_encode",0,...
-        "mrds_code",0,"mrds_blocklength",512).process();
-    
-    Symbols_pre = Duobinary().precode(Symbols);
-    
-    Symbols_db = Duobinary().encode(Symbols_pre);
-    
-    if M == 4
-        Symbols_db.signal = Symbols_db.signal .*sqrt(2.5);
-    elseif M == 6
-        Symbols_db.signal = Symbols_db.signal .*sqrt(5.8);
-    elseif M == 8
-        Symbols_db.signal = Symbols_db.signal .*sqrt(10.5);
-    end
-    
-    % figure(1)
-    % hold on
-    % histogram(Symbols_db.signal,"EdgeAlpha",0.3,"Normalization","probability");
-    
-    
-    % figure(1)
-    nexttile
-    hold on
-    bar(unique(Symbols_db.signal),histcounts(int32(Symbols_db.signal),"Normalization","probability"),"FaceColor",cols(cnt,:),"FaceAlpha",0.6,"BarWidth",1-(0.2*cnt),"LineWidth",0.5,"EdgeColor",'black','DisplayName',['Duobinary PAM-',num2str(M)]);
-    xticks(unique(Symbols_db.signal));
-    ylim([0 0.26]);
-    xlabel("Symbol")
-    
-
-    cnt = cnt+1,
-
-end

Functions/Theory/Neuer Ordner/duobinary_transferfunction.m

@@ -1,18 +0,0 @@
-
-
-% Define the filter taps
-h_ = {[1],[1 1],[1 2 1],[1 3 3 1]};
-
-for i = 1:length(h_)
-    h = h_{i};
-    
-    [H, w] = freqz(h, 1, 1024, 1);
-    
-    figure(1);
-    hold on
-    plot(w, 10*log10(abs(H)), 'LineWidth', 2,'DisplayName',['$(1+D)^2$']); %todo
-    xlabel('Normalized Frequency');
-    ylabel('Amplitude in dB');
-    grid on;
-    ylim([-20,10])
-end