中文说明：包括压缩比、运行时间和计算复原图像的峰值信噪比,相参脉冲串复调制信号，采用累计贡献率的方法，可以提取一幅图中想要的目标，利用matlab写成的窄带噪声发生，计算十字叉丝的在不同距离的衍射图像。
English Description：
Including compression ratio, operation time and calculation of restoration images of the peak signal to noise ratio, coherent pulse on complex modulation signal, using method of accumulative contribution rate can be a piece of map to target extraction, written using MATLAB narrowband noise calculated crosshair in different distance diffraction image.