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dddddd
:数字水印技术在数字产品的版权保护中起着非常重要的作用。概括了数字水印技术的现状及其基本原理,并
分析了变换域数字水印算法的优势,详细阐述了DCT 水印嵌入和提取算法的原理和步骤。最后在Matlab 平台下对DCT 数
字水印算法进行了仿真,仿真结果证实了DCT 算法的强健性和鲁棒性。(: digital watermarking technology in the digital copyright protection products played a very important role. Summarized the digital watermarking technology and the status of the basic principles and transform domain analysis of digital watermarking algorithm advantages, elaborate on the DCT watermark embedding and extraction algorithm theory and steps. Finally in Matlab platform for DCT digital watermarking algorithm for the simulation, Simulation results confirmed the DCT are strong and robust.)
- 2007-06-28 00:16:41下载
- 积分：1
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Comprehensive_Explanation_for_Partial_Differentia
In this document has been introduced comprehensively how to solve different partial differential equations .Everbody can solve Heat Conduction Equation, Helmholtz Equation, Laplace Equation and Wave Equation for different initial and boundary conditions.
This document is elemantary of to understand how to solve partial differential equations with the aid of a porgramming language.
- 2013-11-20 20:00:00下载
- 积分：1
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granger_cause
说明： 用于检验两个时间序列是否具有格兰杰因果关系(Used to test whether two time series have Granger causality)
- 2019-03-01 17:04:42下载
- 积分：1
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multiresolution-entropy-procedure
matlab求多分辨信息熵程序，提供给大家共享(matlab seek multiresolution entropy procedure, available to share)
- 2009-11-03 20:05:04下载
- 积分：1
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LS-SVM
lssvm用于状态分类和预测，主要应用于信号处理以及智能算法等领域(LSSVM is used for state classification and prediction)
- 2017-08-18 16:30:55下载
- 积分：1
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ST-DPTC 690v
从网上发现的资源能量回馈变频器直接功率转矩控制的仿真(Energy resource feedback from the Internet to simulate the direct power torque control of the inverter)
- 2018-06-22 14:52:34下载
- 积分：1
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cccc
用matlab实现遗传算法程序，各个部分分开为几个函数，适用一般遗传算法应用(Matlab genetic algorithm used to achieve process to separate the various parts of several functions, the application of genetic algorithm application)
- 2009-05-24 13:51:35下载
- 积分：1
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DVHOP
在matlab环境下对DV-HOP算法的实现，可以直接运行(DV-HOP algorithm implementation)
- 2011-05-04 09:49:50下载
- 积分：1
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Abstract
it s a communication document
- 2014-11-15 15:00:56下载
- 积分：1
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ARIMA
说明： ARIMA 模型是在平稳的时间序列基础上建立起来的，因此时间序列的平稳性是建模的重要前提。检验时间序列模型平稳的方法一般采用 ADF 单位根检验模型去检验。当然如果时间序列不稳定，也可以通过一些操作去使得时间序列稳定（比如取对数，差分），然后进行 ARIMA 模型预测，得到稳定的时间序列的预测结果，然后对预测结果进行之前使序列稳定的操作的逆操作（取指数，差分的逆操作），就可以得到原始数据的预测结果。(time series prediction ARIMA)
- 2020-06-30 15:09:04下载
- 积分：1
