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利用MATLAB实现语音去噪，主要是基于小波去噪(Speech Denoising realize the use of MATLAB, is based mainly on the wavelet denoising)

说明：  MATLAB课程的学习课件，梳理了书中的重点难点，可供大家参考，节约时间(MATLAB course of study courseware, combing the focus of the book difficult, for reference, save time)

Depth study of the power electronics industry development report

Calculation the impedance of Passive Power Filter

异步电机的各种仿真模型，包括定子磁链模型、转子磁链模型，力矩计算模型等(simulation model of asynchronous machine)

说明：  转子动力学的matlab程序，根据Dynamics of Rotating Machines M.I. Friswell, J.E.T. Penny, S.D. Garvey and A.W. Lees Cambridge University Press, 2010这本书的资料(Dynamics of Rotating Machines M.I. Friswell, J.E.T. Penny, S.D. Garvey and A.W. Lees Cambridge University Press)

说明：  第二章 MATLAB 图形绘制基础 2.1 二维绘图 2.1.1 基本绘图函数 2.1.2 图形窗口的修饰 2.2 三维绘图 2.2.1 plot3 函数 2.2.2 三维网格图和曲面图(MATLAB chapter 2.1 Rendering the basis of two-dimensional mapping function 2.1.2 graphics 2.1.1 basic graphics window 2.2 modified three-dimensional mapping function 2.2.1 plot3 Figure 2.2.2 Three-dimensional grid and surface map)

考虑出生率、死亡率、迁移率及居民年龄分布的人口预测程序(Population forecast program considering several factors including fertility, mortality, migration rates and age structure)

本书主要介绍了LTE-A的3GPP实现方案，对于LTA-A的关键技术的研究有参考作用，非常经典。(LTE-Advanced 3GPP Solution for IMT-Advanced)

该程序可以进行在windos界面下，在matlab环境下录音！！！！！！1(The procedure can be carried out in windos interface in matlab environment recording! ! ! ! ! ! 1)