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OFDMsourceCode

于 2007-03-14 发布文件大小:26KB

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用matlab仿真实现了25 kHz 带宽内同时传送总共48 kbit/s 的两路语音(每路速率9. 6 kbit/s) 和两路数据信息(速率分别为19. 2 kbit/s 和9. 6 kbit/s) , 仿真结果表明达到了较好的误码性能。并比较了4 种数字调制方式下O FDM 系统的误码性能。(using Matlab Simulation bandwidth of 25 kHz simultaneous transmission within a total of 48 kbit/s 2 Road Voice (rate of 9 per road. 6 kbit/s) and two road data information (rate of 19. 2 kbit/s and 9. 6 kbit/s), the simulation results indicate achieve a better BER. And comparison of four types of digital modulation mode O FDM system BER.)

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DWTMATLAB
先将47168bit的宿主音频等步长分段,分为1000段，然后混沌序列选择其中的102段，对每段进行3及小波分解，挑选出绝对值最大的系数，运用嵌入公式。(47168bit first step of the host audio sub-divided into section 1000, and then select one of the 102 chaotic sequence segment, on each piece of a 3 and wavelet decomposition, the largest absolute value coefficients selected using the embedded formula.)

2010-07-31 11:17:16下载

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这时一些关于matlab连续小波变换的程序代码，希望对学习matlab的人有用处(At this time about the continuous wavelet transform matlab code, people who want to learn useful matlab)

2010-12-24 14:13:55下载

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2013-12-16 23:21:39下载

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用matlab实现的FM0(双相间隔码编码）编码(Matlab implementation of the FM0 (two-phase interval coding) encoding)

2012-05-26 21:29:41下载

积分：1
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lsb embedding for invisible image watermarking

2009-05-09 21:39:22下载

积分：1
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对于典型的数字通信系统的仿真包含详细的说明(for typical digital communication system simulation contains a detailed note)

2006-11-30 19:26:21下载

积分：1
Image_quality_assessment
无参考图像质量评价，输入图像，输出评价指标，介于0至100之间(image quality assessment)

2012-11-21 20:00:59下载

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A Level set based interpolation algorithm for image processing which is especially helpful for beginners.

2009-09-28 19:31:53下载

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2012-04-07 09:26:27下载

积分：1

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OFDMsourceCode

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