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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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chengxu
我这儿有一组若干年份的数据，是按一定时间顺序排的，想用曲线拟合法得到2010年的人均国内生产总值，不知怎么用matlab，高手赐教！！！！！！可加分
年份 人均国内生产总值(元)
1996 27000
1997 30619
1998 33282
1999 33689
2000 41020
2001 43344
2002 46030
2003 53887
2004 59271
2005 64507
2006 70597
07.1季 20505
07.2季 19619
07.3季 19874
07.4季 19223
08.1季 19703(I have a group here, a number of years of data are ranked by order of a certain period of time, and want to use curve fitting to be in 2010 the per capita gross domestic product, I do not know how to use matlab, you let us know! ! ! ! ! ! Add points to the year the per capita GDP (Yuan) 1996 27000 1997 30619 1998 33282 1999 33689 2000 41020 2001 43344 2002 46030 2003 53887 2004 59271 2005 64507 2006 70597 07.1 quarter 19,619 07.3 quarter 20,505 07.2 quarter 19,223 08.1 quarter 19,874 07.4 quarter 19,703)
- 2009-04-03 20:18:40下载
- 积分：1
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Sample
Change of sampling rate
- 2010-01-27 12:41:58下载
- 积分：1
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IMM_nonliner
此程序为机动目标的非线性滤波器的设计，具有一定的实用价值(This program design of nonlinear filters for maneuvering targets, has some practical value)
- 2012-08-02 21:39:35下载
- 积分：1
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image-interpolation
图像插值放大，最近邻，双线性，双三次matlab实现(The image interpolation enlarge nearest neighbor, bilinear, bicubic matlab achieve)
- 2013-03-12 23:48:18下载
- 积分：1
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chabEst01_Para
Channel estimation in OFDM using Matlab
- 2015-03-05 22:59:47下载
- 积分：1
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007
matlab求解非线性方程M-文件，用于计算机快速求解方程(matlab solving nonlinear equations of M-files for computer quickly solve the equations)
- 2009-11-20 10:56:57下载
- 积分：1
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fulltext
在复杂背景下面，如何识别交通标志。。。。。。(Traffic sign recognition is a difficult task if we aim at detecting and
recognizing signs in images captured from unfavorable environments.)
- 2021-04-04 22:49:04下载
- 积分：1
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freqz_m
线性时不变离散时间系统的频域分析传输函数和频率响应，(Linear time-invariant discrete-time system transfer function and frequency domain analysis of frequency response,)
- 2011-07-19 16:04:00下载
- 积分：1
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Implementation-of-Polyalphabetic-cipher
Implementation of Poly alphabetic Cipher
- 2014-10-01 13:32:56下载
- 积分：1
