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偏微分方程的波动方程数值解法,可选多个解法，对比作图(wave equation numerical solution)

Direct Least Square Fitting of Ellipses

MATLAB源码，preprocessing.m: preprocess the picture including:Wiener filter; meddle value filter, change a gray picture to a binary one and then get the skeleton. centralizing.m: input the source picture output the core point of the fingerprint. samfun.m: generate the sample pattern automatically, which is used to sample the fingerprint. gabor2d_sub: get gabor filter. varpic.m: calculate variance picture(MATLAB source, preprocessing.m : preprocess the picture including : Wiener filter; meddle value filter, change a gray picture to a binary one and then get the skeleton. centralizing.m : input the source picture output the core point o f the fingerprint. samfun.m : generate the sample pattern automatically, which is used to sample the fingerprint. gabor2 d_sub : get gabor filter. varpic.m : calculate variance picture)

基于小波变换的像素级图像融合以及它的实现方式，经过仿真，取得了良好的效果。(Wavelet-based pixel level image fusion and its implementation, through simulation, and achieved good results.)

这是在MATLAB下编写的一个代码运行后会出现一个地球,还能旋转,很有意思的程序和大家分享(This is prepared in a MATLAB code to run after an earth, but also rotation, a very interesting process and U.S. share)

光孤子模拟基本程序，要自己设置参数，N P0 gamma等。(Soliton analog basic procedures to set up their own parameters, N P0 gamma and so on.)

PLL（锁相环）的Matlab仿真模型,包含各模块的详细描述(The Matlab simulation model of PLL (Phase locked loop))

BPSK调制程序，用于ＣＤＭＡ通信系统的信号调制．matlab写的！(BPSK modulation procedures for CDMA signal modulation system. Matlab write!)

利用GS迭代算法求解经过高数值孔径物镜聚焦产生列阵的Matlab程序。(the matlab program for generating array at the focus of high numerical aperture. the phase distribution is obtained.)

说明：  asynchronous motor model sumilnk