1234567891011121314151617 |
- import numpy as np
- from scipy import signal
- class AntiJammingSignalAlgo:
- @staticmethod
- def time_frequency_filter(rx_signal, sample_rate):
- return signal.wiener(rx_signal)
- @staticmethod
- def adaptive_filter(rx_signal, sample_rate):
- return signal.lfilter([1.0/3]*3, 1, rx_signal)
- @staticmethod
- def polarization_filter(rx_signal, sample_rate):
- analytic_signal = signal.hilbert(rx_signal)
- amplitude_envelope = np.abs(analytic_signal)
- return rx_signal / amplitude_envelope
|