摘要
本文对多条街广告灯箱的通信进行了论述,分析了电力线载波技术和双音多频(DTMF)技术,详细论 述了DTMF的工作方式及其通信协议的设计．
In this work, communication about multi- street advertisement lamp- boxes is discussed. It is analyzed to power line carrier technology and DTMF technology. In addition, working way and communication agreement design of DTMF are also illuminated in detail.
出处
《吉林师范大学学报（自然科学版）》
2005年第4期105-106,共2页
Journal of Jilin Normal University:Natural Science Edition
关键词
电力线载波
双意多频
通信协议
Power line carrier
DTMF
Communication agreement
