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象其它复杂信号一样,线性调频信号的加权处理可以改善距离分辨力。对线性调频信号,现有的加权滤波器中最简单和最有效的是海明滤波器。传输系数为1的海明加权滤波器输出的线性调频脉冲复包络由下式表示:
Like other complex signals, the weighted processing of the chirp signal can improve the range resolution. For linear FM signals, the simplest and most effective of the existing weighting filters is the Hamming filter. The chiral complex envelope of the Hamming weighting filter output with a transmission coefficient of 1 is given by: