In a UHF passive RFID system, a reader transmits an unmodulated continuous wave (CW) to tags, which not only provides energy to tags but also serves as the carrier of tag backscatter signals.
在超高
被动
辨识系统里，读取器传送未调变过之连
波讯号给标
，其不但可提供能量给标
为标反向散讯号的载波。
波激光器In a UHF passive RFID system, a reader transmits an unmodulated continuous wave (CW) to tags, which not only provides energy to tags but also serves as the carrier of tag backscatter signals.
在超高被动辨识系统里，读取器传送未调变过之连波讯号给标，其不但可提供能量给标为标反向散讯号的载波。
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