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时差定位的传感器位置分布研究 被引量：5

Research of sensor allocation in TDOA location
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摘要 提高目标的定位精度一直以来都是无源定位关注的主要问题,通过分析目标位置误差的Fisher信息矩阵以及对应的Cramer-Rao下界与传感器位置及数量的关系,得到使定位误差最小的传感器分布情况。给出了目标距离较远时,在二维及三维定位中基于时差定位方法的传感器最佳分布。 How to improve location precision has always being the main problem in passive location. This paper analyzed Fisher information matrix and Cramer-Rao lower bound （CRLB） of target position error and found the optimum sensor allocation with the least location error. The optimum sensor allocation in two and three dimensions based on Time Difference Of Arrival （TDOA） location has also been analyzed when the range of target is far away.
作者 易云清 徐汉林 王化
机构地区 信息综合控制国家重点实验室
出处 《计算机应用》 CSCD 北大核心 2009年第B12期58-62,65,共6页 journal of Computer Applications
关键词 传感器分布 时差定位 高精度定位 Cramer—Rao下界 sensor allocation TDOA location high precision location Cramer-Rao Lower Bound （CRLB）
分类号 TP212 [自动化与计算机技术—检测技术与自动化装置]
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参考文献7

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  • 4王洪雁,宋玉,裴炳南.基于数据融合的TDOA定位方法研究[J].微计算机信息,2007(24):207-209. 被引量：3
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二级参考文献14

  • 1高虎,俞志强.基于四站时差定位原理的星型布站分析[J].空军雷达学院学报,2004,18(3):22-24. 被引量：21
  • 2高晓燕,史银龙.自主无线移动定位算法研究[J].微计算机信息,2006(02X):158-160. 被引量：3
  • 3Chan Y T, Ho K C. A Simple and Efficient Estimator for Hyperbolic Location. IEEE Trans. on SP, 1994, 42 (8): 1 905-1 915.
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  • 5Thomas Kleine-Ostmann and Amy E.Bell, A data fusion architecture for enhanced position estimation in wireless networks, IEEE communications letters,vol 5 No.B, August 2001
  • 6Chen Zhang,etc. Research on Improving TDOA Location Accuracy Based on Data Fusion.Shanghai, China. IEEE Mobile and Wireless Comm. .6th CAS Symp. on Emerging Technologies. May 31-June 2,2004
  • 7Chin-Der Wann,Ming-Hui Lin.Location Estimation with Data Fusion for Wireless Location Systems. Taipei, Taiwan, Sensing & Control Proceedings of the 2004 IEEE, International Conference an Networking, March, 2004
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  • 9N.Levanon .Lowest GDOP in 2-D scenarios. IEE Proc-Radar. Sonar Navy. Vol.147, No.3, June 2000
  • 10Pi-Chun Chen .A Non-Line-of-Sight Error Mitigation Algorithm in Location Estimation IEEE Wireless Communication and Networking Conference, vol.1,New Orleans,USA,Sept 21-24,1999, pp:316-320

共引文献18

同被引文献39

引证文献5

二级引证文献19

计算机应用
2009年 第B12期

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