生成随机伪码，使用PMF_FFT方法捕获pmf-fft-acq

matlab中重要的数字图像处理技术：直方均衡化，可以看出灰度图像的灰度值分布，并且去噪。(matlab important digital image processing techniques: Histogram equalization, we can see the distribution of gray-scale image of the gray value, and the de-noising.)

说明：  meanshift算法的matlab源代码，很实用，经典的源代码(meanshift algorithm matlab source code, it is practical, the classic source code)

Matlab曲线拟合程序，详细描述了CFtool工具使用方法及各种曲线拟合常用程序代码(Matlab curve fitting program)

程序用pq分解法，通过matlab进行设计来计算电力系统潮流(Program with pq decomposition method, designed to calculate the power flow through matlab)

说明：  用Matlab实现线性调频信号仿真的程序,观察时域波形和幅频特性(use Matlab to achieve the linear frequency modulation signal simulation program, observe the time domain waveform and amplitude-frequency characteristics)

it a matlab scource code to simulate sfdma

cordic算法实现特征值分解，非常实用，代码可以作为参考(cordic eigenvalue decomposition algorithm, very practical, code can be used as a reference)

简易模拟时钟，使用MATLAB的GUI开发而成，可以获取桌面时钟数然后在模拟钟面上显示，每隔一秒刷新显示！(Simple analog clock, a GUI was developed using MATLAB, you can get a desktop clocks and analog clock face on display, refresh the display every second!)

Finite Element Toolbox Ver. 2.1(This is a toolbox for computing ODEs or PDEs in BVPs using FEM in 1D, 2D and 3D.)

说明：  基于MATLAB的AM调制与解调，基于MATLAB的DSB调制与解调(Matlab-based AM modulation and demodulation)