An intelligent lighting system for railway goods yard based on spread spectrum power line carrier communication technique is proposed.

用扩频电力线载波通信技术设计了铁路站场智能化照明系统。

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This paper introduces a power line modem chip SC1128 based on Expanding Frequency technique, analyzes it' s characteristic and compare it with other modem chips.

本文介绍了一种基于扩频技术的电力线调制解调芯片SC1128，分析其通信特性，与国内外同类产品进行了对比。

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In order to manage the security system efficiently, we furthermore present a command line interface based on command tree technique.

此外，为了高效管理安全系统，我们还为安全系统提供基于命令树技术的命令行界面。

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