| 长距离HF射频识别信号检测技术研究与实现 |
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| 引用本文： | 陈鹏,赖声礼,陈佳阳.长距离HF射频识别信号检测技术研究与实现[J].科学技术与工程,2006,6(10):1363-13661371. |
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| 作者姓名： | 陈鹏 赖声礼 陈佳阳 |
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| 作者单位： | 华南理工大学电子与信息学院,广州,510640 |
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| 基金项目： | 广东省科技攻关项目 （2003C40406）资助 |
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| 摘 要： | 针对UHF频段射频识别（RFID）技术的不足,提出一种长距离HF频段的RFID信号检测方案,重点在于增强灵敏度、提高标签感应距离.先分析标签负载调制的基本原理和反射信号的调制特点,再详细阐述检测通道关键环节设计与实现.
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| 关 键 词： | 射频识别 负载调制 副载波 信号检测 |
| 文章编号： | 1671-1815（2006）10-1363-05 |
| 收稿时间： | 2005-12-23 |
| 修稿时间： | 2005年12月23 |
The Study and Implementation of Signal Detecting for Long Range HF Radio Frequency Identification |
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| CHEN Peng,LAI Shengli,CHEN Jiayang.The Study and Implementation of Signal Detecting for Long Range HF Radio Frequency Identification[J].Science Technology and Engineering,2006,6(10):1363-13661371. |
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| Authors: | CHEN Peng LAI Shengli CHEN Jiayang |
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| Abstract: | A new signal detecting method is proposed for long range HF Radio Frequency Identification(RFID), which is complement to the UHF RFID technique. The method is emphasized on how to enhance sensitivity and to increase working range of tags. The basic theory of tag's load modulation and the key features of backscatter signal are analyzed. The design of key nodes of the whole detecting channel is demonstrated in detail. |
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| Keywords: | radio frequency identification load modulation sub carriers signal detecting |
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