包括单边带、双边带、载波抑制及四倍频,包括最后计算压缩图像的峰值信噪比和压缩效果的源码,随机调制信号下的模拟ppm。- Including single sideband, double sideband, suppressed carrier and quadruple, Including the final calculation of the compressed image peak signal to noise ratio and compression of the source, Random ppm modulated analog signal unde.