合成孔径雷达（SAR)目标成像仿真，采用了小波去噪的思想，主要是基于mtlab的程序，基于分段非线性权重值的Pso算法，计算加权加速度,用于信号特征提取、信号消噪。- Synthetic Aperture Radar (SAR) imaging simulation target, Using wavelet denoising thought, Mainly based on the mtlab procedures, Based on piecewise nonlinear weight v