rmsilence

龙格库塔算法的加速算法（matlab),拟二步四阶算法(the accelerating of runge-kutta method by matlab)

matpower4.1相关文件，在使用matpower进行仿真时必须(matpower4.1 relevant documents, to achieve matpower simulation)

使用matlab进行神经网络建模，再用网络模型解决生活中的实际问题(use matlab to build nero network and solve daily problems)

计算信号的短时傅里叶变换，对信号进行时频分析(Calculate signal short-time Fourier transform, the signal time-frequency analysis )

人脸识别的最基本的算法PCA，主要是描述了特征值法的基本原理，内容很详细。(Most basic algorithm for PCA Face RecognitionFace recognition algorithm is the most basic PCA, mainly describes the basic principles of characteristic value method, content, very detailed.)

说明：  实现求圆形、三角形、矩形的面积和周长。要求和说明如下： (一) 定义接口sharp接口 (二) 通过实现接口定义Rect、Triangle、Circle的类，并且一个构造方法，并实现求面积和周长的方法（其中三角形斜边的计算公式c=Math.sqrt (width * width + height * height ) ） (Seeking to achieve circular, triangular, rectangular area and perimeter. Requirements and are described as follows: (a) define the interface sharp interfaces (two) by implementing the interface definition Rect, Triangle, Circle of class and a constructor method, and implement methods for the area and perimeter (where the hypotenuse of the triangle formula c = Math.sqrt (width* width+ height* height) ))

用MATLAB图形用户界面实现项目成果的展示，包括图形，性能参数，并可实现多界面切换(Using MATLAB graphical user interface to achieve the project presentation, including graphics, performance parameter, and can realize multiple interface switch )

This is Expectation Maximization algorithm code.

说明：  卡尔曼滤波，从Andrew D. Straw s Python 移植过来的(Kalman filter algorithm，This M code is modified from Andrew D. Straw s Python )

这一信道模型能够描述由电离层和对流层反射的短波信道，以及建筑物密集的城市环境。12瑞利衰落只适用于从发射机到接收机不存在直射信号（LoS，Line of Sight）的情况，否则应使用莱斯衰落信道作为信道模型(This channel model is able to describe the HF channel reflected by the ionosphere and troposphere, as well as building a dense urban environment. 12 Rayleigh fading only applies to from the transmitter to the receiver there is no direct signal (LoS, Line of Sight), otherwise use Rician fading channel as the channel model)