...术 关键词：电力线信道特点；蚁群算法；中继路由；令牌机制；网络重构 [gap=867]Key words: power line channel characteristics; ant colonies; relay route; the token system; network reconfiguration ..
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In this paper, some algorithms for estimating channel in OFDM system are analyzed and compared, and the most appropriate one is selected according to power line channel's characteristics.
文中分析比较了OFDM系统信道估计算法，并根据低压电力线信道的特点，选择了适合于电力线通信的信道估计方法。
The characteristics of power line channel are the foundation of designing the low voltage power line carrier communication system.
低压电力线信道特性是设计低压电力线载波通信系统的基础。
First, power line Communication is introduced. The noise and attenuation characteristics of power line channel are measured and modeled.
首先，介绍了电力线通信，测量并分析了电力线信道的噪声和复衰减特性，并分别进行了建模。
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