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- import numpy as np
- from scipy.signal import find_peaks
- # ==================== 干扰雷达类 ====================
- class JammerRadar:
- def __init__(self, usrp, rx, tx):
- self.usrp = usrp
- self.rx = rx
- self.tx = tx
- def generate_jamming_signal(self, algorithm: callable, bandwidth: float, sample_rate: float, duration: float, gain: float) -> np.ndarray:
- """
- 自主生成干扰信号
- :param algorithm: 干扰算法
- :param bandwidth: 信号带宽 (Hz)
- :param sample_rate: 采样率 (Hz)
- :param duration: 信号持续时间 (秒)
- :param gain: 增益 (dB)
- """
- # 生成基带噪声信号
- num_samples = int(duration * sample_rate)
- base_signal = np.random.randn(num_samples) * 0.1 * gain
-
- # 应用干扰算法
- jamming_signal = algorithm(
- base_signal=base_signal,
- bandwidth=bandwidth,
- sample_rate=sample_rate
- )
- return jamming_signal.astype(np.complex64)
- #封装一个发送信号的函数
- def send_signal(self, tx_signal, duration, center_freq, sample_rate, gain):
- # 发送信号
- self.usrp.send_waveform(tx_signal, duration, center_freq, sample_rate, self.tx, gain)
- print('干扰雷达已发送信号')
- # 封装一个接收信号的函数
- def recv_signal(self, num_samples, sample_rate, center_freq):
- rx_signal = self.usrp.recv_num_samps(num_samples, center_freq,sample_rate,self.rx)
- print('干扰雷达已接收信号')
- return rx_signal
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