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本代码是王岩数理统计与MATLAB工程数据分析一书的所有源代码。特点着重基础、强化应用、便自学，是工程数据分析一本很好的书，代码说明也较为详细，本人极力推荐！(This code is WangYan mathematical statistics and data analysis of the MATLAB project book all the source code. Based on characteristics, strengthening the application, and self-study, engineering data analysis is a very good book, code and a more detailed instructions, I highly recommend!)

可以查看台站信息，接收地震数据，分析并且成图(You can view station information, to receive seismic data analysis and mapping)

小波去噪的分解与重构示例，里面附带数据文件(Wavelet Denoising sample decomposition and reconstruction, which attached to data files)

Algorithm to improve the quality of speech signals by improving the SNR

说明：  《MATLAB7.0_Simulink6.0建模仿真开发与高级工程应用》书中程序("MATLAB7.0_Simulink6.0 Modeling and Simulation Development and Engineering Application" book procedure)

MATLAB多自由度弹塑性动力时程分析程序(MATLAB multi-degree of freedom elastic-plastic dynamic analysis program)

2013年美国大学生数学建模竞赛A题程序(the code of 2013 mcm(A))

基于MATLAB GUI数字滤波器的设计 （1）要有人机交互界面。 （2）可实现IIR低通、IIR带通、FIR低通、FIR带通类型的数字滤波器。 （3）设计的滤波器可以显示幅频响应曲线等图形，便于对此滤波器进行性能分析。(MATLAB digital filter)

说明：  噪声中的非平稳信号的频谱分析的matlab代码(Matlab code for spectrum analysis of non-stationary signals in noise)

说明：  用于辨识,仿真,化工冶炼金属时控制过程曲面(for identification, simulation, chemical metal smelting process control surfaces)