chopper

一种基于小波变换的图像编码算法采用整数平方阈值下的零树编码(Wavelet-based image coding algorithm uses integer square threshold of zero-tree coding)

计算信号的短时傅里叶变换。用法见函数说明。(Short-time Fourier transform calculation signals. Usage See function description.)

分数阶微积分的matlab实现的一种实现方法（英文），采用Oustaloup滤波器逼近来估算分数阶微积分。(Matlab implementation of the fractional calculus, an implementation method (English), the use of Oustaloup filter approximation to estimate the fractional calculus. )

K-mean均值算法是给定类的个数K，将N个对象分到K个类中去， 使得类内对象之间的相似性最大，而类 之间的相似性最小。 Kmean处理图像的matlab文件 (K-mean algorithm is given class means the number of K, K to N objects assigned to a class, making class similarity between objects within the maximum, while the similarity between class minimum. Image processing matlab file Kmean)

Chinese text categorization and classification of the document indexing mechanism model of

说明：  基于内容的图像检索主颜色直方图的提取，从图像的获取到直方图现实到特征的提取，最后根据图像检索出与所给图像最相似的图像。(Content-based image retrieval dominant color histogram extracted from the images to get to the real histogram feature extraction, the last based on the image to retrieve the image with the most similar images.)

Code to work with audio signals contaminate with white noise

this function calculate Hisao Causality relation between X and Y and define their unit root situation by ADF method.

步进频雷达成像系统设计与仿真实现mabatlb(step frequency system radar target imaging)

matlba语言编写，可以实现多个excel文件的合并。(matlba language, can be combined to achieve multiple excel files.)