Add new minimal example (+ a ton of other, not so important, changes)

Classes/01_transmit/ChannelFreqResp.m

@@ -139,6 +139,8 @@ classdef ChannelFreqResp < handle
             fnew = linspace(0,fstarget/2,length(Target)/2+1);
             fnew = fnew(2:end-1);
 
+
+
             % Old frequency axis (should be much coarser)
             idx_old  = find((obj.faxis > 0) .* (obj.faxis < fstarget/2)); %positions of all Frequencies smaller than fs/2
             int_fold = obj.faxis(idx_old); %old frequencies from 0 to fs/2
@@ -149,6 +151,10 @@ classdef ChannelFreqResp < handle
             % interpolate the frequency response that had a coarse frequency resolution (e.g. 256 bins) to the current frequency resolution (e.g. 21843 bins)
             iH  = interp1(int_fold, real(H_inv(idx_old)) ,fnew, 'linear') + 1i*interp1(int_fold, imag(H_inv(idx_old)) ,fnew, 'linear');
 
+            if 0
+                figure(7);hold on;plot(fnew,20*log10(abs(iH)))
+            end
+
             % set all NaN values to the fist/ last non-NaN value
             nH    = find(~isnan(iH),1,'first');
             iH(1:nH)=iH(nH);
@@ -171,6 +177,8 @@ classdef ChannelFreqResp < handle
             % five frequencies -> should be the vaue at f=0=DC component?
             iH  = iH./mean(abs(iH)); %why 1:5??
 
+            dc = 20*log10(abs(mean(abs(iH(1:5)))));
+
             % set maximum amplification
             % set als values higher than hmax to hmax and keep the
             % phase information by multiplication with respective