利用matlab GUI实现的串口编程例子，线性调频脉冲压缩的Matlab程序,matlab程序运行时导入数据文件作为输入参数，基于chebyshev的水声信号分析，有详细的注释，实现了对10个数字音的识别，针对EMD方法的不足。- Use serial programming examples matlab GUI implementation, LFM pulse compression of the Matlab program, Import data files as input parameters matlab program is running, Based chebyshev underwater acoustic signal analysis, There are detailed notes, To achieve the recognition of 10 digital sound, For lack of EMD.