| 地下农用地电子标识系统的研究 |
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| 引用本文： | 李偲钰,高红菊.地下农用地电子标识系统的研究[J].农业网络信息,2009(5). |
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| 作者姓名： | 李偲钰 高红菊 |
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| 作者单位： | 中国农业大学,信息与电气工程学院,教育部现代精细农业系统集成研究重点实验室,北京,100083 |
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| 基金项目： | 国土资源大调查土地资源监测调查工程项目 |
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| 摘 要： | 地下农用地电子标识系统将为农用地质量定点监测提供准确的位置信息及质量信息,作者分析了有源发射式和无源反射式两种不同系统的工作原理及设计方案,对比了其在射频实现方式、能量供应、工作频率及所携带的信息量方面的不同,指出了两种方案的优缺点,前者使用成本低廉,但存在能源供应的问题,而后者无需电源,但使用成本较高.实地实验也能保证两种系统均能满足应用需求,为农用地质量监测奠定了技术基础.
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| 关 键 词： | 农用地 地下电子标识 射频识别 |
Research of underground cropland electronic marking system |
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| LI Si-yu,GAO Hong-ju.Research of underground cropland electronic marking system[J].Agriculture Network Information,2009(5). |
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| Authors: | LI Si-yu GAO Hong-ju |
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| Institution: | College of Information and Electrical Engineering;China Agricultural University;Key Laboratory of Modern Precision Agriculture System Integration;Ministry of Education;Beijing 100083;China |
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| Abstract: | Underground cropland electronic marking system could provide accurate location information and quality of the soil,which is satisfied to monitor quality of the located cropland.The author analyses the working principium and design of two different systems-active power transmitting system and passive no-power reflecting system.The two systems are classified in four aspects concern with radio transmitted method,power supply,working frequency and schlepped information.The advantage and disadvantage of two syst... |
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| Keywords: | Cropland Underground electronic marker Radio frequency |
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