中文说明：多抽样率信号处理，包括回归分析和概率统计，实现了对10个数字音的识别程序最小二乘回归分析算法，脉冲响应的相关分析算法并检验，主要为数据分析和统计。
English Description：
Multirate signal processing, including regression analysis, and probability and statistics, achieved a recognition program for 10 digital audio algorithm of least squares regression analysis, correlation analysis algorithm and test of pulse response, mainly for data analysis and statistics.