摘要
介绍一种简单射频识别系统设计。该设计包括阅读器、应答器和线圈3部分。由单片机控制阅读器向应答器发射无线信号,并接收应答器回送的信号,再通过分析回送信号识别物品。阅读器和应答器之间以半双工通信方式通信。
A simple design of radio frequency identification system is given in this paper.The design includes reader, responder and winding.Through MCU, signals are sent to responder from reader,then corresponding signals are sent back. According to the analysis of the signals sent back,the objects can be identified.Half-duplex communication is adopted between reader and responder.
出处
《国外电子元器件》
2008年第10期77-78,81,共3页
International Electronic Elements
关键词
射频系统
识别
阅读器/射频识别
应答器
radio frequency system
identification
reader/radio frequency identification
transponder
