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MATLABdiffusecommunications

于 2009-05-04 发布 文件大小:165KB
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  基于matlab的扩频通信系统仿真研究。主编:范伟,战兴群(Matlab-based spread spectrum communication system simulation. Editor-in-Chief: Wei Fan, Xing-Qun Zhan)

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    积分:1
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    首先给出了谐波小波时频剖面图检测含噪声信号的微弱奇异成分的方法 然后运用谐波小波时频剖面图方 法分析了碰摩故障仿真信号 最后利用该方法对多个实际汽轮机组动静碰摩故障的真实振动信号进行了分析研 究。结果表明, 谐波小波能够得到其它信号分析方法无法得到的特征, 有效识别机组的碰摩故障。(Harmonic wavelet time􀀁 frequency profile plot is introduced firstly in practice to identify weak singularity in a signal with noise clearly. With this method, emulational signal and vibration data of the rubbing of the large practical turbo-generator units are analyzed successfully, which prove that the method is effectively extract the rubb ing signal feature.)
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    积分:1
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    2013-04-08 17:03:36下载
    积分:1
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    人口增长(动物繁殖)模型,确定种群的固有增长率和稳定分布,建立稳定收获模型。 (it is about a model of population increasing)
    2013-11-15 17:02:08下载
    积分:1
  • Dijkstra
    matlab算法中比较常用的求最短路的Dijkstra算法。(matlab algorithm for the most commonly used short Dijkstra algorithm.)
    2013-11-02 11:27:46下载
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  • Selective
    数据链路层滑动窗口协议的设计与实现源码 信道模型为8000bps 全双工卫星信道,信道传播时延270 毫秒,信道误码率为10-5,信道提供字节流传输服务,网络层分组长度在240~256字节范围。(Sliding window data link layer protocol design and implementation of source-channel model 8000bps full-duplex satellite channel, the channel propagation delay 270 ms, the channel bit error rate of 10-5, the channel provides a byte stream transfer service, network layer packet length in the range of 240 to 256 bytes.)
    2013-12-08 11:45:53下载
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  • 超效率DEA
    超效率DEA,可直接运行,但要注意输入量和输出量矩阵的形式,详细见内部说明文档(Super efficiency DEA)
    2017-08-22 18:16:26下载
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  • weiyingfangzhen
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    2011-03-16 15:36:29下载
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