wenjian

这是VAD有关代码。也就是说为了在音声中找到activity voice 用GAET方法来决定阈值，然后判别了无音区间。(voice activity detection)

希尔伯特变换hilbert得到的解析信号，并对变换结果进行傅里叶变换，观察频谱分布(Hilbert transform to obtain the analytic signal, and transform the results of Fourier transform, observe the spectrum distribution)

离散傅立叶变换法实现瑞利衰落信道 参考文献The Generation of Correlated Rayleigh Random Variates by Inverse Discrete Fourier Transform(The Generation of Correlated Rayleigh Random Variates by Inverse Discrete Fourier Transform)

C语言与MATLAB接口：编程与实例，是一本非常好的书(C language and MATLAB interface: examples of programming and is a very good book)

m-QAM modulation，using some toolbox in order

FOR HELP AND DOCUMENT FOR POWER ROBO SOCCER

计算两个晶体方向之间的夹角，并画图，适合初学者(Calculate the angle between two crystallographic directions, and drawing for beginners)

讲述ODE初值问题、边值问题和时滞问题的英文资料(This book is for people who need to solve ordinary differential equations (ODEs), both initial value problems (IVPs) and boundary value problems (BVPs) as well as delay differential equations (DDEs).)

说明：  用matlab实现的svdd算法，模型的求解调用的是matlab自带的求解函数，因此无需其他任何工具包。(With the SVDD algorithm implemented by MATLAB, the solution of the model calls the solution function brought by MATLAB, so there is no need for any other toolkits.)

说明：  基于MATLAB的遗传算法的源程序,有需要的可以参考下 (Genetic Algorithm Based on MATLAB source, there is a need to make reference to the next)