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数字水印是当下的研究重点之一，尤其是基于鲁棒性的数字水印算法，本算法就是matlab下的水印(Digital watermarking is the focus of current research, in particular, is based on the robustness of digital watermarking algorithm, the algorithm is watermark under matlab)

双向协作通信的中断概率仿真，结果和《Performance Analysis of Two-Hop Relayed Transmissions over Rayleigh Fading Channels》里面的结论完全一样。可以得到三幅图。(Two-way collaborative communication outage probability simulation， results and 《Performance Analysis of Two-Hop Relayed Transmissions over the Rayleigh Fading Channels 》，the conclusion is exactly the same. You can get three in Fig.)

BP预测天然气需求量的问题，可下载来进行修改做预测分析。(BP prediction of natural gas demand, can be downloaded to be modified to do predictive analysis.)

非线性控制中蛛网图，杜芬振子，分岔图，rossler，lorenz以及线性反馈，内动态等程序(Nonlinear control web map, DuFenZhen son, bifurcation diagram, rossler, lorenz and linear feedback, inner dynamic scheduler )

运用MATLAB编程实现计算两序列x1(n)={1,2,3,4,5},x2(n)={1,2,3,4,5,4,3,2,1}的圆周卷积(Calculated using MATLAB programming to achieve the two sequences x1 (n) = (1,2,3,4,5), x2 (n) = (1,2,3,4,5,4,3,2,1) of circular convolution)

小波变换的程序包，具有多个程序，有很好的实频分析效果(Wavelet transform package, with a number of procedures, have a good effect of real-frequency analysis)

An Introduce To dynamical system

本演示展示FireMonkey 3D组件的某些功能。运行演示，了解各种影响：揃ACK插值，揂utoreverse，揈LASTIC插值或3D文字旋转或形状动画下列路径（pathanimation如SVG或XAML） (Some features of this demo shows FireMonkey 3D components. Run the demo, to understand the various effects: CIRCUIT DIAGRAM ACK interpolation, You utoreverse, Hong LASTIC interpolation or rotating 3D text animation following the path or shape (pathanimation such as SVG or XAML) )

matlab符号计算基础教程。简单明了，很适合初学者(matlab symbolic computation Essentials. Simple, it is suitable for beginners)

本文介绍了开放腔的基本原理和数学计算软件MATLAB。从四种基本腔体 模型出发，给出了用MATLAB设计开放腔高频参数计算软件的一般过程和方法， 并开发了开放腔计算分析软件。利用这一软件对四种不同类型开放腔进行了数 值计算分析，并将结果与实验测试和其他文献的计算结果进行了比较。结果表 明，本文的分析计算结果与实验以及文献[1]的分析计算结果有较好的一致性， 而本文提供的用MATLAB进行开放腔高频参数计算的方法简单易用、方便可靠、 计算效率高，是工程设计分析的一种快捷实用的手段。(This article describes the basic principles of open cavity and mathematical computing software MATLAB. Cavity from the four basic models starting with a given frequency open cavity design parameters MATLAB computing software and methods of the general process and the development of the open cavity analysis software. Using this software, four different types of open cavity of a numerical calculation and analysis, and the results with the experimental results and other literature were compared. The results show that the analytical results with experimental and literature [1] of the analytical results are in good agreement, and this provides an open cavity with the MATLAB high-frequency parameter calculation method is simple to use, convenient and reliable, the computational efficiency high, is the engineering design of a quick and practical means. )