摘要
分析了目前低压电力线载波通信的应用现状,阐述了扩频通信的基本原理,介绍了在低压电力线上实现数据通信的扩频载波芯片PL3201的功能,提出以芯片PL3201为基础,构建低压电力线载波扩频通信的系统及其在自动抄表系统中的应用。
Analysis was made on the existing state of application of low-voltage power line carrier wave communications, describing the basis principle of spread spectrum communications, introducing the functions of spread spectrum carrier wave chip PL3201 which achieves digital communications on low-voltage power line, raising the method to take chip PL3201 as the base, to build up low-voltage power line spread spectrum carrier wave communication system and its application in automatic kWh meter reading system.
关键词
低压电力线载波通信
PL3201芯片
扩频通信
low-voltage power line carrier wave communication
chip PL3201
spread spectrum communication
