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fix spectrum channel display order

This commit is contained in:
Carl Laufer 2022-01-03 03:16:48 +00:00
parent d27ac4f4dc
commit 0e04afe57a
1 changed files with 7 additions and 5 deletions
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12
_signal_processing/krakenSDR_signal_processor.py
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@ -234,19 +234,21 @@ class SignalProcessor(threading.Thread):
N_perseg = 0
N_perseg = min(N, len(self.processed_signal[0,:])//25)
N_perseg = N_perseg // 1
# Get power spectrum
f, Pxx_den = signal.welch(self.processed_signal, self.module_receiver.iq_header.sampling_freq//first_decimation_factor,
for m in range(self.channel_number):
# Get power spectrum
f, Pxx_den = signal.welch(self.processed_signal[m, :], self.module_receiver.iq_header.sampling_freq//first_decimation_factor,
nperseg=N_perseg,
nfft=N,
noverlap=int(N_perseg*0.25),
noverlap=0, #int(N_perseg*0.25),
detrend=False,
return_onesided=False,
window= ('tukey', 0.25), #tukey window gives better time resolution for squelching #self.spectrum_window, #('tukey', 0.25), #self.spectrum_window,
#window=self.spectrum_window,
scaling="spectrum")
self.spectrum[1:self.module_receiver.iq_header.active_ant_chs+1,:] = np.fft.fftshift(10*np.log10(Pxx_den))
self.spectrum[1+m, :] = np.fft.fftshift(10*np.log10(Pxx_den))
#self.spectrum[1:self.module_receiver.iq_header.active_ant_chs+1,:] = np.fft.fftshift(10*np.log10(Pxx_den))
self.spectrum[0,:] = np.fft.fftshift(f)