中文说明：数学方法是部分子空间法，是学习PCA特征提取的很好的学习资料，isodata 迭代自组织的数据分析，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，基于负熵最大的独立分量分析。
English Description：
Mathematical method is part of the subspace method, is learning PCA feature extraction of very good learning materials, ISODATA iterative self organizing data analysis, given the received signal eye diagram and system simulation of bit error rate (BER), analysis of underwater acoustic signal based on Chebyshev, maximum entropy based on independent component analysis.