Newton-Raphson-method

Function direct I Filter Call: [Y,Zf]=FDI(B,A,X,Zi) Parameters A(N), B(M), X(L)and Y(L) as in FILTER. Input Parameters: Zi(max(N,M)-1,2): Conditions iniciales. Zi(:,1): from zeros. Zi(:,2): from polos. Output Parameters: Zf(max(N,M)-1,2): final conditions. Zf(:,1): from zeros. Zf(:,2): from polos.

说明：  MATLAB曲线拟合向导，，简单介绍了MATLAB曲线拟合的相关知识，和相关函数的使用方法。(MATLAB curve fitting wizard, a brief introduction of the MATLAB curve fitting knowledge, and related functions are used.)

Matlab编写BP的入门程序，适合初学者！(Matlab entry procedures for the preparation of BP, suitable for beginners!)

基于MATLAB和usb外置声卡的信号回检，检测信号频率，幅值，功率等。(Based on MATLAB and usb external sound card signal back to check, test signal frequency, amplitude, power, etc..)

基于matlab的滤波反投影重建算法，实现了标准2维图像的重建(based on Matlab filtered back projection reconstruction algorithm, and the standard two-dimensional image reconstruction)

针对样本协方差矩阵求逆方法中采样点小于阵元个数时作出的仿真。此改进方法可以在采样点小于阵元个数时提高波束形成器的性能。(For the sample covariance matrix inversion method of sampling is less than the number of array elements made the simulation. This improved method can be sampled at less than the number of array elements to raise the beamformer performance.)

说明：  应用双种群蚁群算法解决TSP问题，计算速度快，准确率高(Application of ant colony algorithm to solve TSP double population problem, computational speed, high accuracy)

这是一个用来优化结构设计的程序，名称为鲍威尔法，对其以后还有修正。(This is a program designed to optimize the structure, the name of Powell Law, its later amendments there.)

针对一维非线性非平稳信号降噪的一种算法，EMD算法，这是其MATLAB代码。(An algorithm for one-dimensional nonlinear and non-stationary signal noise reduction, EMD algorithm, which is its MATLAB code.)

matlab波速成形，讲解波束成形的过程，以及形成的方法(and matlab is wave velocity molding, explain the beamforming process and the method of forming)