能量熵的计算，LDPC码的完整的编译码，GSM中GMSK调制信号的产生，通过虚拟阵元进行DOA估计，基于chebyshev的水声信号分析，matlab程序运行时导入数据文件作为输入参数。-Energy entropy calculation, Complete codec LDPC code, GSM is GMSK modulation signal generation, Conducted through virtual array DOA estimation, Based chebyshev underwater acoustic signal analysis, Import data files as input parameters matlab program is running.