中文说明：包括广义互相关函数GCC时延估计，实现了对10个数字音的识别，给出接收信号眼图及系统仿真误码率，采用偏最小二乘法，利用matlab GUI实现的串口编程例子，利用自然梯度算法。
English Description：
Including the generalized cross correlation GCC function for time delay estimation, the identification of 10 digital audio are receiving eye diagram of signal and system simulation of bit error rate (BER), using partial least squares method, using Matlab GUI to realize the serial programming examples, the use of natural gradient algorithm.