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用MATLAB进行Sigma 采样，用于数值计算或者数值滤波(Sigma sampling conducted with MATLAB for numerical calculations or numerical filtering)

说明：  CMMB基带发射端MATLAB仿真。有助于理解CMMB物理层结构(CMMB baseband transmitter data simulation,)

MATLAB的基本操作与使用，对初学者很有帮助(MATLAB s basic operation and use, very helpful for beginners)

Compute median frequency of a signal

MATLAB语言常用算法程序集，内含有基本常用的matlab算法，包括插值、函数逼近、矩阵特征值计算、数值微分、数值积分、方程求根、非线性方程组求解、解线性方程组的直接法和迭代法、随机数生成、特殊函数计算、常微分方程的初值问题、偏微分方程的数值解法、数据统计与分析等方面的代码。(MATLAB language commonly used algorithm for assembly, containing basic common matlab algorithms, including interpolation, function approximation, eigenvalue calculations, numerical differentiation, numerical integration equation Root, nonlinear equations, direct method and solution of linear equations iterative method, random number generation, special function calculation, the initial value problems of ordinary differential equations, numerical solution of partial differential equations, statistics and analysis and other aspects of the code.)

这是国外研究小波图像处理的学者做出的工具箱，十分好用。(This is the overseas research scholars of wavelet image processing toolbox to make very easy to use.)

本文从理论上对LFM-CW 雷达进行了信号分析，并对LFM-CW 雷达的信号 处理方法进行了简单研究，最后通过仿真程序验证了该信号处理方法（距离/多普勒处理） 在计算运动目标距离和速度时的正确性，为LFM-CW 雷达信号处理提供了理论依据。(This paper analyze the signal of LFM-CW radar by theory, and research the signal process method of LFM-CW radar. In the end, this paper validate the signal process method’s correctness to calculate the moving target’s distance and speed by emulate program. This paper offer the theory for the signal process method of LFM-CW radar.)

说明：  在MATLAB环境下利用DFT和fft实现对数字信号的离散处理(Using DFT and FFT to realize discrete processing of digital signal in Matlab environment)

当有多个信源时，根据各个信源的相关系数，可以确定哪些信源时相干的，哪些时不相关的(To give coherence source)

用matlab实现摄像头输入 当关闭界面时 保存关闭时的图像(Matlab implementation with off camera input interface when saving images off)