def test_plot(self):
modulator = Modulator("gfsk")
modulator.modulation_type_str = "GFSK"
modulator.samples_per_bit = 100
modulator.sample_rate = 1e6
modulator.param_for_one = 20e3
modulator.param_for_zero = 10e3
modulator.carrier_freq_hz = 15e3
modulator.carrier_phase_deg = 90
modulator.modulate([True, False, True, False, False], 77)
data = copy.deepcopy(modulator.modulated_samples)
modulator.modulate([False, True, True, True, True, False, True],
100,
start=len(data))
data = np.concatenate((data, modulator.modulated_samples))
plt.subplot(2, 1, 1)
axes = plt.gca()
axes.set_ylim([-2, 2])
plt.plot(data.real)
plt.title("Modulated Wave")
plt.subplot(2, 1, 2)
qad = signalFunctions.afp_demod(np.ascontiguousarray(data), 0, 1)
plt.plot(qad)
plt.title("Quad Demod")
plt.show()
def test_plot(self):
modulator = Modulator("gfsk")
modulator.modulation_type_str = "GFSK"
modulator.samples_per_bit = 100
modulator.sample_rate = 1e6
modulator.param_for_one = 20e3
modulator.param_for_zero = 10e3
modulator.carrier_freq_hz = 15e3
modulator.carrier_phase_deg = 90
modulator.modulate([True, False, True, False, False], 77)
data = copy.deepcopy(modulator.modulated_samples)
modulator.modulate([False, True, True, True, True, False, True], 100, start=len(data))
data = np.concatenate((data, modulator.modulated_samples))
plt.subplot(2, 1, 1)
axes = plt.gca()
axes.set_ylim([-2,2])
plt.plot(data.real)
plt.title("Modulated Wave")
plt.subplot(2, 1, 2)
qad = signalFunctions.afp_demod(np.ascontiguousarray(data), 0, 1)
plt.plot(qad)
plt.title("Quad Demod")
plt.show()
def quad_demod(self):
return signal_functions.afp_demod(self.data, self.noise_threshold, self.modulation_type)
def filter_range(self, start: int, end: int, fir_filter: Filter):
self._fulldata[start:end] = fir_filter.apply_fir_filter(self._fulldata[start:end])
self._qad[start:end] = signal_functions.afp_demod(self.data[start:end],
self.noise_threshold, self.modulation_type)
self.__invalidate_after_edit()
