产生噪声调幅干扰信号，并画出时域和功率谱 -AM interference signal noise, and draw the time domain and power spectrum

合成孔径雷达成像代码以及噪声干扰代码，主要是SAR的RD算法以及射频、调相、调频、调幅噪声-Synthetic aperture radar imaging code and noise code, mainly is the SAR, RD algorithm and radio frequency, phase modulation, frequency modulation, amplitude modulation noise

噪声调幅干扰信号波形和功率谱,亲测成功运行-AM noise interference signal waveform and power spectrum