stft

找函数的零点位置， 返回的是零点的index。 被找的函数须是连续函数 (Find zero points index of a continous function)

说明：  this code is the implementation of GA

mannkendall 突变检验，双侧检验(mannkendall break test)

pagerank的一个简单改进，用来识别核心节点。(A simple improvement of PageRank is used to identify core nodes.)

说明：  计算无阻尼和阻尼强迫振动Duhamel积分MATLAB实例((Single-degree-of-freedom Duhamei integral MATLAB source program, including trapezoidal algorithm and Simpson algorithm)

Matlab 滤波程序，适合初学者学习使用，欢迎大家分享(Matlab filtering procedures, suitable for beginners learning to use, we are happy to share)

G723.1语音压缩编码功能的matlab实现(G723.1 speech compression coding function matlab implementation)

This is level-set image segmentation method.

宽带波束形成 倍频程波束形成 恒定束宽波束形成(Broadband Beamforming Beamforming octave constant beamwidth beamforming)

相当好的matlab数字图像处理，包括基本原理、图像复原、彩色处理、图像压缩、分割(Very good matlab digital image processing, including the basic principles, image restoration, color processing, image compression, segmentation)