研究结果表明，反向散射RFID系统的路径损耗模型和传统无线通信系统的路径损耗模型有所区别。

Thee research results show that path loss models of backscatter RFID systems are differ from traditional wireless communication systems.

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文中给出射频识别系统的设计方案，系统采用反向散射调制技术完成从电子标签到读写器的数据传输。

The design scheme of a RFID (Radio Frequency Identification)System is given in this paper. The backscatter modulation technique is used to transmit the data to the reader from a tag.

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