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知识介绍:无线射频无线射频译自英文Radio Frequency Identification,简称为RFID,是20世纪90年代开始兴起的一种非接触式的自动识别技术。提起“雷达”相信大家不会陌生,无线射频正是雷达的改进和应用所催生的技术,它们的工作原理相近。
Knowledge introduction: Radio Frequency Wireless Translated from English Radio Frequency Identification, referred to as RFID, is a non-contact automatic identification technology that began to rise in the 1990s. Mention “radar ” I believe we are not unfamiliar, radio frequency is the radar technology improvements and application of the birth, their working principle is similar.