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A Wavelet Based Method for the Analysis of Impulsive Noise Due to Switch Commutations in Power Line Communication (PLC) Systems

机译:电力线通信(PLC)系统中基于小波的开关换向脉冲噪声分析方法

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摘要

The aim of this paper is to study the problem of load-time variation in power line communication (PLC) systems and to analyze asynchronous impulsive noise and related channel variations due to switch commutations. A numerical model of the time-varying communication channel is developed by using scattering parameters in the wavelet domain. The proposed method uses the N-port description of the elements that constitute a time-varying PLC system in terms of real matrices with constant elements. This represents a valid alternative to the time domain description usually adopted for analyzing time-varying networks. The comparison with results obtained from other numerical models and with experimental data has confirmed the accuracy and the efficiency of the proposed method.
机译:本文的目的是研究电力线通信(PLC)系统中的负载时间变化问题,并分析由于开关换向而引起的异步脉冲噪声和相关通道变化。利用小波域的散射参数建立了时变通信信道的数值模型。所提出的方法使用具有恒定元素的实矩阵来构成构成时变PLC系统的元素的N端口描述。这代表了通常用于分析时变网络的时域描述的有效替代方案。与从其他数值模型获得的结果以及实验数据进行的比较已经证实了该方法的准确性和有效性。

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