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传感器网络中无线电干涉定位系统的多径误差分析
Multipath error analysis of radio interferometric positioning system in wireless sensor networks
查看参考文献11篇
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文摘
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根据多径信号的物理特性,从理论上推导了镜反射的多径误差简便模型,基于该模型进行了无线电干涉定位系统的多径误差分析.讨论了衰减因子、天线高度和水平距离等多径参数对测量结果的影响,并且进行了仿真计算和分析.结果表明,高精度定位必须考虑多径效应. |
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其他语种文摘
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A simple model of multipath error is proposed in condition of mirror's reflecting according to the physical characteristic of multipath signal. Then multipath error analysis of radio interferometric positioning system (RIPS) is presented. The relationships between RIPS measurement and multipath parameters including attenuation factor, antenna height and horizontal distance of sensor nodes are studied. The results of simulation analysis verify that high precision localization must take multipath effect into account. |
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来源
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控制与决策
,2009,24(2):231-235 【核心库】
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关键词
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无线传感器网络
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干涉定位
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多径误差
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模型
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地址
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中国科学院沈阳自动化研究所, 中国科学院工业信息学重点实验室, 辽宁, 沈阳, 110016
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-0920 |
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学科
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自动化技术、计算机技术 |
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基金
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国家自然科学基金
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中国科学院知识创新工程青年人才领域前沿项目
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文献收藏号
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CSCD:3600994
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参考文献 共
11
共1页
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