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802.11Security

于 2006-06-07 发布文件大小:816KB

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Beginning with an introduction to 802.11b in general, 802.11 Security gives you a broad basis in theory and practice of wireless security, dispelling some of the myths along the way. In doing so, they provide you with the technical grounding required to think about how the rest of the book applies to your specific needs and situations. If you are a network, security, or systems engineer, or anyone interested in deploying 802.11b--based systems, you ll want this book beside you every step of the way.(Beginning with an introduction to 802.11b in general, 802.11 Security gives you a broad basis in Theor y and practice of wireless security, dispelling some of the myths along the way. In do ing so, they provide you with the technical grounding r equired to think about how the rest of the book ap plies to your specific needs and situations. If you are a network, security, or systems engineer, or anyone interested in deploying 802.11b--ba sed systems. you ll want this book beside you every step of the way.)

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8QAM
利用Matlab仿真软件，完成如图1所示的一个基本的数字通信系统。信号源产生0、1等概分布的随机信号，映射到16QAM的星座图上，同时一路信号已经被分成了实部和虚部，后边的处理建立在这两路信号的基础上。实部、虚部信号分别经过平方根升余弦滤波器，再加入高斯白噪声，然后通过匹配滤波器（平方根升余弦滤波器）。最后经过采样，判决，得到0、1信号，同原信号进行比较，给出16QAM数字系统的误码。(Using Matlab simulation software, as shown in Figure 1 to complete a basic digital communications systems. Signal source such as arise over the distribution of 0,1 random signal, is mapped to 16QAM constellation diagram, at the same time all the way the signal has been divided into real and imaginary parts, behind the deal with the establishment of these two signals in the basis. Real part, imaginary part of the signal, respectively, after a square root raised cosine filter, then add white Gaussian noise, and then through the matched filter (square root raised cosine filter). Finally, after sampling, the verdict has been 0,1 signal, to compare with the original signal is given 16QAM digital system error.)

2007-10-22 15:57:50下载

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2010-04-28 15:05:55下载

积分：1
多自由度地震
简单的多自由度地震反应EI_Centro波，采用威尔逊逐步积分法(A simple multi degree of freedom seismic response EI_Centro wave using Wilson stepwise integral method)

2020-08-16 16:48:23下载

积分：1
Decoder
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2010-04-24 20:33:10下载

积分：1
Fourth-Order-Partial-Differential-
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2012-05-17 02:56:01下载

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DPLL_REASERCH
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2013-02-26 14:10:26下载

积分：1
zishiyinglvbo
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2013-05-03 21:24:31下载

积分：1
zuizhong1
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2020-09-18 14:27:55下载

积分：1
svmTime-series-prediction
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2016-10-23 23:05:55下载

积分：1
toolkit2
这是一个非常好的关于kit的matlab工具箱。(This is a matlab toolbox of kit.)

2010-01-24 13:03:42下载

积分：1

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