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changes from zurich; my mac

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This commit is contained in:
Silas
2025-02-20 05:31:05 +01:00
parent d099efea03
commit cf94b67828
13 changed files with 197 additions and 148 deletions
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25
Functions/EQ_visuals/showEQNoiseSNR.m
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@@ -1,7 +1,7 @@
function showEQNoiseSNR(tx_signal, rx_signal, options)
function showEQNoiseSNR(eq_signal, noise_signal, options)
arguments
tx_signal
rx_signal
eq_signal
noise_signal
options.fs_tx
options.fs_rx
options.fignum (1,1) double = NaN % Default to NaN if not provided
@@ -16,13 +16,13 @@ end
fig = figure(options.fignum); % Use the specified figure number
end
if isa(tx_signal,'Signal')
options.fs_tx = tx_signal.fs;
tx_signal = tx_signal.signal;
if isa(eq_signal,'Signal')
options.fs_tx = eq_signal.fs;
eq_signal = eq_signal.signal;
end
if isa(rx_signal,'Signal')
options.fs_rx = rx_signal.fs;
rx_signal = rx_signal.signal;
if isa(noise_signal,'Signal')
options.fs_rx = noise_signal.fs;
noise_signal = noise_signal.signal;
end
@@ -37,10 +37,10 @@ end
% Ensure the figure is ready before calling spectrum
title('SNR of received Signal')
fft_length = 2^(nextpow2(length(tx_signal))-7);
fft_length = 2^(nextpow2(length(eq_signal))-7);
[s_lin,w] = pwelch(tx_signal,hanning(fft_length),fft_length/2,fft_length,options.fs_tx,"centered","psd","mean");
[n_lin,w] = pwelch(rx_signal,hanning(fft_length),fft_length/2,fft_length,options.fs_rx,"centered","psd","mean");
[s_lin,w] = pwelch(eq_signal,hanning(fft_length),fft_length/2,fft_length,options.fs_tx,"centered","psd","mean");
[n_lin,w] = pwelch(noise_signal,hanning(fft_length),fft_length/2,fft_length,options.fs_rx,"centered","psd","mean");
w = w.*1e-9;
snr_dbm = 10*log10(s_lin./n_lin);
@@ -48,6 +48,7 @@ end
% figure(231)
hold on
plot(w,snr_dbm,'DisplayName','SNR','LineWidth',0.5,'Color',options.color);
yline(mean(snr_dbm),'HandleVisibility','off','Color',options.color);
xlabel("Frequency in GHz");
edgetick = 2^(nextpow2(options.fs_tx*1e-9));