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butterworth滤波器，实现高通低通带通的butterworth滤波器

to find correlation coefficient between encrypted and original image

精通MATLAB图像处理 张强，王正林编著 电子工业出版社 8-13章源程序(Proficient in MATLAB image processing Zhang Qiang, the Zhenglin edited Publishing House of Electronics Industry Chapter 8-13 source)

Instead of that, a modified BCJR algorithm is used. .... open source library for simulating turbo codes in matlab Turbo EqualizationInstead of that, a modified BCJR algorithm is used. .... open source library for simulating turbo codes in matlab Turbo EqualizationInstead of that, a modified BCJR algorithm is used. .... open source library for simulating turbo codes in matlab Turbo Equalization

说明：  matlab学习总结汇总，是初学者的首先资料。有很多方法经验的总结。(matlab learning summary summary beginners First. There are many methods experience summary.)

create a 3D cylinder between 2 points

我写的一个小程序。用MATLAB自动生成任意维数和任意数量的数据，并且根据这些数据用一定的方法统计出这些点的概率密度。(I wrote a small program. MATLAB automatically generated using an arbitrary dimension and arbitrary amount of data, and based on these data in a certain way to the statistics of the probability density of these points.)

说明：  最基本的matlab函数，最全面，最基础，希望能有用(Matlab basic functions, the most comprehensive, the most basic and hope to be useful)

较为简单的MC CDMA系统matlab仿真(Simpler MC CDMA system simulation matlab)

在matlab环境下，导入DEM，计算地形坡度(calculate the slope)