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按照A13律编码对一个离散序列对信号进行编码，通信原理(encode by A13-law)

说明：  matlab 实现 付费通变换 抽取的另一种算法(matlab FFT transform taken to achieve an alternative algorithm for)

MatLab命令集.xls,MatLab命令集.xls(MatLab command set. Xls, MatLab command set. Xls)

黑油模型数值模拟入门指南 市场上有不少关于油藏数值模拟的书，但好像没有类似围棋入门指南那样从基础开始一步 一步介绍的书。我收到不下二十个问油藏数值模拟如何入门的问题。我尝试写一写油藏数值模拟 入门指南，希望对那些刚刚开始进入油藏数值模拟领域的工作者有所帮助(Numerical simulation of black oil model Start Guide on the market, many of reservoir simulation, but it seems there is no similar entry guidelines go as the beginning of step by step from basic introductory book. I have received no less than 20 reservoir simulation asked how the issue of entry. I try to write to write a reservoir simulation Start Guide, I hope for those just beginning to enter the field of reservoir simulation will help workers)

说明：  用matlab函数imhist()实现给定图像的直方图；函数histeq()实现直方图均衡化；对给定图像，各自指定直方图，进行直方图匹配，使图像增强。(Using matlab function imhist () to achieve a given image histogram function histeq () to achieve histogram equalization on a given image, each designated histogram, histogram matching, so that the image enhancement.)

This code realize the root_music algorithm

说明：  融合中心进行SNR比较的协作频谱检测算法仿真程序(SpectrumD etection Based On Central SNR Comparison)

matlab基本信息参考资料，包括直方图均衡等等(matlab basic information reference materials, including histogram equalization, etc.)

matpower简明教程，希望对初学者有用(matpower simple tutorial, I hope useful for beginners)

matlab人脸检测函数 以及灰度变换函数 可以直接运行的(Matlab face detection function and gray transform function can be run directly)