DDC

Make a Histogram in MATLAB from data saved to a file

复模态到实模态的转换，一个简单有效的小程序。(Complex Mode to Real Mode, a useful matlab function.)

说明：  面波数值模拟，交错网格法高阶有限差分数值模拟算法(Surface wave numerical simulation)

简单的粒子群算法，matlabR2010b测试可以使用，对于初学者是很好的程序(Simple particle swarm optimization algorithm, the matlabR2010b test can be used, for beginners is a very good program.)

一个小程序，通过使用vc++调用MATLAB求特征值和特征向量和插值。(A small procedure, by using vc++ to call MATLAB for eigenvalues and eigenvectors and interpolation.)

雷达信号模糊函数仿真，可实现斜刀刃型模糊函数效果。(The radar signal ambiguity function simulation can achieve the helical blade fuzzy function effect.)

进行时延估计 包含双谱和互相关两种方法 没有高阶累积量(For time delay estimation contains double spectrum and cross-correlation two ways No higher order cumulants )

maple introduction book

说明：  通过经验模态分解emd波形分割，将脉冲波形分为多个部分，基于EMD的时频分析方法既适合于非线性、非平稳信号的分析(By empirical modal decomposition emd waveform segmentation, the pulse waveform is divided into several parts, and the time frequency analysis method based on EMD is suitable for nonlinear and non-smooth signal analysis)

Matlab多种图像边缘检测方法 1、用Prewitt算子检测图像的边缘 2、用不同σ值的LoG算子检测图像的边缘 3、用Canny算子检测图像的边缘 4、图像的阈值分割 5、用水线阈值法分割图像 6、对矩阵进行四叉树分解 7、将图像分为文字和非文字的两个类别 8、形态学梯度检测二值图像的边缘 9、形态学实例——从PCB图像中删除所有电流线，仅保留芯片对象(Matlab a variety of image edge detection method 1, using Prewitt operator edge detection image 2, with different values of σ LoG operator edge detection image 3, the detection operator Canny edge image 4, image segmentation threshold 5, water line image segmentation threshold 6, on the matrix quadtree decomposition of 7, the image is divided into text and non-text for these two types of 8, detection of morphological gradient of the edge binary image 9, morphological examples- from the PCB images to remove all current lines, retaining only the target chip)