给出接收信号眼图及系统仿真误码率，基于chebyshev的水声信号分析，模式识别中的bayes判别分析算法，用于信号特征提取、信号消噪，matlab程序运行时导入数据文件作为输入参数，现代信号处理中谱估计在matlab中的使用，music高阶谱分析算法，加入重复控制。- The received signal is given eye and BER simulation systems, Based chebyshev underwater acoustic signal analysis, Pattern Recognition bayes discriminant analysis algorithm, For feature extraction, signal de-noising, Import data files as input parameters matlab program is running, Modern signal processing used in the spectral estimation in matlab, music higher order spectral analysis algorithm, Join repetitive control.