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MDA_Gray
this code shows the implementation of a transmission
chain. First, the codage with Gray(MDA-4), then the over sampling, the filtrage before emission, the filtrage in reception with the same filter(in order to be adaptative). then the decision within the value of the final signal in the reception.
- 2009-12-13 22:04:35下载
- 积分:1
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OF123456
OF,实际上OF是MCM Multi-CarrierModulation,多载波调制的一种。其主要思想是:将信道分成若干正交子信道,将高速数据信号转换成并行的低速子数据流,调制到在每个子信道上进行传输。正交信号可以通过在接收端采用相关技术来分开,这样可以减少子信道之间的相互干扰 ICI 。每个子信道上的信号带宽小于信道的相关带宽,因此每个子信道上的可以看成平坦性衰落,从而可以消除符号间干扰。而且由于每个子信道的带宽仅仅是原信道带宽的一小部分,信道均衡变得相对容易。在向B3G/4G演进的过程中,OFDM是关键的技术之一,可以结合分集,时空编码,干扰和信道间干扰抑制以及智能天线技术,最大限度的提高了系统性能。(OF)
- 2010-05-21 14:59:58下载
- 积分:1
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code-for-dwt
Code for DWT WATERMARKing in an image
- 2012-04-16 19:15:35下载
- 积分:1
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Schmidl
T.Schmidl & D.Cox算法给出了不同信噪比下,T.Schmidl 和D.Cox 提出的算法的定时测度图
- 2012-05-04 01:33:10下载
- 积分:1
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MFCC
语音识别中的MFCC算法,用MATLAB实现。(MFCC algorithm with MATLAB.)
- 2015-07-20 12:06:59下载
- 积分:1
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sy1
数值微分精度及步长的关系,截断误差和舍入误差,体会误差对结果的影响,用算法1 和算法2 分别得到的结果进行比较,由Taylor公式可得到两种算法的截断误差(Accuracy of numerical differentiation and the relationship between step length, truncation error and rounding error, the error on the results of experience with algorithm 1 and algorithm 2 respectively, to compare the results obtained by the Taylor formula for the truncation error of two algorithms available)
- 2010-06-14 19:56:18下载
- 积分:1
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turbo2c
The document contains a turbo code descrription
- 2011-01-25 20:40:25下载
- 积分:1
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StatisticaLearning
关于统计学习理论的外国经典教材,但需要一定的数学功底,对进行机器学习研究等方面很有帮助(stactics)
- 2009-07-20 11:06:17下载
- 积分:1
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thinningPatterns
thin the pattern of a graph, the input is a 01 matrix, very funny
- 2010-06-11 17:13:57下载
- 积分:1
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PCA
PCA based face recognition
- 2013-12-07 01:35:01下载
- 积分:1