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是《MATLAB数字信号处理与应用》一书的源代码,该书由李正周编著 清华大学出版社出版 2008年5月 本书主要介绍基于MATLAB R2006a的信号分析与处理的原理和应用。全书共分为7章：第1章对MATLAB R2006a的特点与MATALB的基本使用进行了介绍，第2章～第7章分别讲述了MATLAB中信号处理工具、MATLAB离散时间系统与Z变换、数字滤波器及其设计、平稳随机信号分析、非平稳信号分析与处理以及自适应信号分析与处理，并且每一章节都较详细地分析了包括雷达信号、图像信号和语音信号等信号处理综合应用实例。 本书可作为高等学校数字信号处理等课程的教材或参考书，对于从事信号处理及相关领域的工程技术人员也具有重要的参考价值。(err)

寻找一个数的黑洞数，也就是Kaprekar数。(Looking for black number, which is Kaprekar numbers.)

MATLAB对图像进行边缘检测经典教程MATLAB on the classic edge detection tutorial(MATLAB on the classic edge detection tutorial MATLAB on the classic edge detection tutorial)

This function calculates displacement response at interfaces of an elastic multilayered medium to a vertically propagating unitary SV or SH elastic wave. The function can be used to calculate the displacement response in a layered soil profile. Transfer functions between interfaces can be easily calculated by division of the total (=upward+downward) displacement response on the corresponding interfaces.

这个工具箱是为了方便图像和视频在 matlab 环境中的操作。其目的是为了补充，而不是替换 Matlab 图像处理工具箱，事实上它需要安装 Matlab 图像工具箱。强调对代码效率和代码重用。(This toolbox is meant to facilitate the manipulation of images and video in Matlab. Its purpose is to complement, not replace, Matlab s Image Processing Toolbox, and in fact it requires that the Matlab Image Toolbox be installed. Emphasis has been placed on code efficiency and code reuse.)

this is gabor bank filter

说明：  利用互相关信息法求混沌序列的相空间重构时延，绝对可用，并附上lorenz序列，以供验证。(Inter-related Information Act, seeking a chaotic sequence of phase space reconstruction delay is absolutely available, along with lorenz sequence for verification.)

MATLAB6.5应用接口编程.pdf大家可以参考(MATLAB6.5 Application Programming Interface. We can refer to pdf)

数据拟合程序 用2次多项式 ax^2+bx+c 拟合给定的数据（最小二乘解）(Data fitting procedure)

Matlab gui 学习资料，详细功能说明及具体例子(GUI Matlab learning materials, detailed functional specifications and specific examples)