| on-off源的长程相关结构 |
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| 引用本文： | 季晓飞,范戈,陈月华,徐拯.on-off源的长程相关结构[J].上海交通大学学报,2004,38(Z1):83-86. |
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| 作者姓名： | 季晓飞 范戈 陈月华 徐拯 |
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| 作者单位： | 上海交通大学,区域光纤通信网国家重点实验室,上海,200030 |
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| 摘 要： | 以更新理论和拉普拉斯-司阶梯变换为数学工具推导出各种on/off周期持续时间尾分布情况下,on-off源的长程相关结构.证明了on-off源的长程相关结构主要取决于尾分布最重的那个周期的尾分布特性,并通过构造随机on-off样本序列对该结论的正确性进行了验证.
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| 关 键 词： | on-off源 重尾分布 自协方差 |
| 文章编号： | 1006-2467(2004)S1-0083-04 |
| 修稿时间： | 2003年9月24日 |
Large-Timescale Autocovariance Structure of on-off Sources |
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| JI Xiao-fei,FAN Ge,CHEN Yue-hua,XU ZhengCommunication System,Shanghai Jiaotong Univ.,Shanghai ,China.Large-Timescale Autocovariance Structure of on-off Sources[J].Journal of Shanghai Jiaotong University,2004,38(Z1):83-86. |
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| Authors: | JI Xiao-fei FAN Ge CHEN Yue-hua XU ZhengCommunication System Shanghai Jiaotong Univ Shanghai China |
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| Institution: | JI Xiao-fei,FAN Ge,CHEN Yue-hua,XU ZhengCommunication System,Shanghai Jiaotong Univ.,Shanghai 200030,China) |
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| Abstract: | By using the mathematical tools of renewal theory and Laplace-Stieltjes transform, the large-timescale covariance structure of the on-off sources with general distributed on/off duration was derived. It was proved that the large-timescale autocovariance structure of on-off sources is mainly determined by the duration whose tail is heavier. This conclusion is identified by calculating the autocovariance functions of the empirically constructed on-off sequences. |
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| Keywords: | on-off sources heavy-tailed distribution autocovariance |
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