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yubianma

于 2013-05-02 发布文件大小:5KB

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下载积分: 1 下载次数: 74

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代码说明：

BD预编码基于完整信道信息的MIMO预编码仿真(failed to translate)

文件列表：

yubianma
........\wanzhengxindaoxinxi
........\...................\bd
........\...................\..\BD.m,929,2010-01-20
........\...................\..\channel_inversion.m,168,2009-11-09
........\...................\..\coherence_receive.m,1824,2010-01-20
........\...................\..\main.m,5708,2010-01-21
........\...................\..\MMSE.m,158,2010-01-20
........\...................\..\SINR.m,2039,2009-11-09
........\...................\..\SLNR.m,519,2009-11-10
........\...................\..\source_QPSK.m,669,2009-09-15
........\...................\..\svd_receive.m,1743,2010-01-20

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面向QOS的马尔可夫选择决策算法，通过对算法模型合理化构建过程于异构环境特点的紧密结合，最大程度满足异构网络环境中用户QOS的长期效益(Facing the QOS markov selection decision algorithm, based on the rationalization process in constructing algorithm model heterogeneous environment characteristics of closely, satisfy heterogeneous network environment the user QOS long-term benefits )

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BPSK信号调制过程以及误码率的计算，最后结果可以用曲线图形输出(sfazvassfasczxcasafavasvasvxzxv)

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结合QPSK调制的直接序列扩频系统的仿真(Combined with QPSK modulation direct-sequence spread-spectrum system simulation)

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积分：1
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GSM reading book in the would

2018-01-11 20:53:23下载

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2
说明： 2. 关于无线信道的多普勒谱，请回答以下问题： (1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因； (2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理； (3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请描述：自己用计算机产生的经典谱是正确的依据。(2. Regarding the doppler spectrum of the wireless channel, please answer the following questions: (1) in some wireless channels, doppler frequency shift will cause aliasing of the output signals of the wireless channel.Describe the various causes of aliasing; (2) there is a classic spectrum in the doppler spectrum in the wireless channel, please explain the mechanism of producing this spectrum shape; (3) please use Simulink tool to write code (s-function mode) to generate a single-path Rayleigh channel, whose doppler spectrum is the classical spectrum, in which the moving rate is 120km/h.And please describe: your own computer generated classical spectrum is the correct basis.)

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An Energy-Efficient MAC Protocol for Mobile Ad hoc Networks

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OFDM系统仿真，适合初学者，程序简单易于理解(OFDM system simulation, suitable for beginners, the program is simple and easy to understand)

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yubianma

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