用于信号特征提取、信号消噪，仿真图是速度、距离、幅度三维图像，含噪脉冲信号进行相关检测,LDPC码的完整的编译码，实现了对10个数字音的识别程序包括广义互相关函数GCC时延估计。- For feature extraction, signal de-noising, FIG simulation speed, distance, amplitude three-dimensional image, Noisy pulse correlation detection signal, Complete codec LDPC code, Realization of 10 digital audio recognition program Including the generalized cross-correlation function GCC time delay estimation.