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Design of Reader and RF Card Based on RFID
Author(s): 
Pages: 19-22
Year: Issue:  5
Journal: Instrumentation Technology

Abstract: 设计了基于RFID(Radio Frequency Identification)技术的打卡器及射频卡.RFID是一种非接触的自动识别技术,其基本原理是利用射频信号和空间耦合(电感或电磁耦合)或雷达反射的传输特性,实现对被识别物体的自动识别.打卡器基于MFRC500射频卡读写系统,以STC89C52RC单片机为核心,辅以必要的外围电路,使打卡器能识别射频卡,并对射频卡输出的信号进行采集和输出.该设...
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