M-PSK

计算基本矩阵 很有用也很齐全，是源代码m文件，希望对大家有用(Toolbox of computation Fundamental matrix)

单负材料的透射谱分析，其中的设置了角度变化从0度到90度。可以发现透射频率随角度的变化规律。(Single-negative materials, the transmission spectrum analysis, which set the angle changed from 0 degrees to 90 degrees. Transmission frequencies can be found with the variation of the angle.)

灰色预测模型matlab或者lingo源程序例子(Gray prediction model Matlab or lingo source code examples)

HHT的基本理论(黄先生的原文) 小波板换希尔伯特黄变换；理算小波变换原文(Signal filtering, Wavelet transform, Hilbert-Huang transform DWT (Discrete Wavelet Transform) och HHT(Hilbert-Huang Transform).)

DOA estimation with MUSIC algorithm array signal processing

参考外国文献，通过MATLAB程序编写了以两个简单的ISPLSk映射构造一个双混沌互扰 NAbRdPi系统,提出了基于双混沌互扰系统的无线加密算法，具有防窃听的能力，调试无错误。(References to foreign literature, through MATLAB programming the ISPLSk with two simple mapping to construct a mutual interference NAbRdPi dual chaotic systems is proposed based on the wireless encryption algorithm dual chaotic mutual interference system has the ability of anti-wiretapping, debugging errors. )

现有一个信号：x(n)=1+cos(π*n/4)+ cos(2*π*n/3)设计及各种数字滤波器以达下列目的： 低通滤波器，滤除cos(2*π*n/3) 的成分，即想保留的成分为1+cos(π*n/4) 高通滤波器，滤除1+cos(π*n/4) 的成分，即想保留的成分为cos(2*π*n/3) 带通滤波器，滤除1+cos(2*π*n/3) 的成分，即想保留的成分为cos(π*n/4) 带阻滤波器，滤除cos(π*n/4) 的成分，即想保留的成分为1+cos(2*π*n/3) 1. 用MATLAB命令butterord求除滤波器的阶数,用命令butter设计各滤波器；画出滤波器幅度和相频相应 取各滤波器的系统函数H(z)。 (an existing signal : x (n) = a cos (* n/4) cos (2** n/3) design and digital filter to achieve the following objectives : low-pass filter, filter cos (2** n/3) the ingredients that want to retain an element of a cos (* n/4) high-pass filter, a filter cos (* n/4) components, namely to retain the element of cos (2** n/3) band-pass filter , a filter cos (2** n/3) components, namely to retain the element of cos (* n/4) band stop filter, the filter cos (* n/4) components, namely to retain the ingredients for a cos ( 2** n/3) 1. MATLAB order butterord except for the band Filter, using the order of the filter design butter; paint Filter magnitude and phase frequency of the corresponding filter system function H (z).)

说明：  四阶经典的龙格-库塔公式的matlab实现(Classical fourth-order Runge- Kutta formula matlab implementation)

可一步做到计算电力系统的节点导纳矩阵的程序。(Can step do calculation of power system node mobility matrices of the program. )

基本PCNN演算法，處理圖像的基本類神經網路。(Basic PCNN algorithm, the basic image processing and neural networks.)