求pcm文件的基音周期，用matlab编写，作图说明，用平均幅度差算法修正自相关算法来求基音周期-Find the pitch period pcm files, using matlab, plot descr iption, with the average magnitude difference algorithm for auto-correlation algorithm to find correct pitch

关于宽带雷达回波目标基于径向积的检测方法matlab实现程序-About Broadband Radar target detection method based on radial plot matlab implementation program