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数字水印(digitalwatermarking)是一种信息隐藏技术，它的基本思想是在数字图像、音频或视频等数字媒体作品中嵌入秘密信息，以便保护数字作品的版权、证明作品的真实可靠性、跟踪盗版行为或提供作品的附加信息。(Digital Watermarking (digitalwatermarking) is a kind of information hiding technology, its basic idea is in the digital image, audio or video digital media works, such as embedded secret information in order to protect the copyright of digital works to prove that the true reliability of the work, tracking piracy works or provide additional information.)

matlab 实用图形应用程序 帮助：1-32: graphics application papers (matlab practical graphics applications help :1-32: graphics application papers)

在3d不光滑曲面上的射线跟踪算法，效果比较好，希望可以帮助到大家(3d surface is not smooth in the ray-tracing algorithm, the effect is good, hope you can help to)

喷泉码的MATLAB仿真，喷泉码在分组传输网络中有很大的应用(MATLAB codes of Raptor codes )

突然单相短路无阻尼绕组用matlab编程(Single-phase sudden short-circuit without damping windings)

有限差分法求解泊松方程 一个例子 比较精确解和数值解(Finite Difference Method for Poisson equation； An example to compare the exact solution to the numerical solution)

数字信号处理源代码，基于matlab(Digital signal processing source code, based on the matlab)

首先介绍计算机仿真技术和仿真建模方法的基本概念，以 便对建模和仿真有个初步和整体的认识；然后对 Simulink 进 行简单介绍，并以一个简单例子进行引导；最后介绍 Simulink 的工作原理，为后续的深入掌握 Simulink 打下基础(First introduced the computer simulation technology and the basic concepts of simulation modeling methods, modeling and simulation in order to have a preliminary and general awareness then Simulink for a brief introduction, and to boot a simple example Finally Simulink works, Simulink for subsequent understanding of the foundation)

This is a matlab code for using no-overlapping windows of size WxW. It uses ind2sub and sub2ind() built in functions in matlab.

improvement audio robustness technique