#sp.fftPlot(tx_upsampled.real, tx_upsampled.imag, n=2)
#sp.fftPlot(tx_mixer.real, tx_mixer.imag, n=2)
#sp.fftPlot(tx_sig.real)
rx_mixer = rf.Mixer(tx_sig, -30 / 100, -1 * np.pi / 4)
b = signal.remez(100 + 1, [0, .1, 0.2, 0.5], [1, 1e-4])
baseband_flt = np.convolve(b, rx_mixer, 'same')
sp.fftPlot(rx_mixer.real, rx_mixer.imag, n=2)
sp.fftPlot(baseband_flt.real, baseband_flt.imag, n=2)
#baseband_flt = baseband_flt[40::100]
#plt.plot(baseband_flt[0:300].real, baseband_flt[0:300].imag, 'ro')
plt.plot(baseband_flt[5::10].real, baseband_flt[5::10].imag,
'ro')
plt.plot(baseband_flt[40::100].real,
baseband_flt[40::100].imag, 'bo')
plt.grid()
plt.show()
elif c == 'm':
QAM.QamModem(30, 100, QAM.Constant.ModulationType.QAM16, 13)
elif c == 'x':
break
print()
print('==================')
print('Press new command:')
print('Exit')
