| 纯方位交叉定位算法分析 |
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| 引用本文： | 张国凯,戴霄,何佳洲.纯方位交叉定位算法分析[J].情报指挥控制系统与仿真技术,2013(6):40-44. |
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| 作者姓名： | 张国凯 戴霄 何佳洲 |
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| 作者单位： | 江苏自动化研究所,江苏连云港222061 |
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| 摘 要： | 针对纯方位交叉定位中存在着地球曲率对定位精度影响的问题,提出了基于正北方向修正和椭球模型两种定位算法.通过与传统的交叉定位算法比较,可以看出这两种算法具有较好的定位精度.在理论上分析了测量误差和观测站位置误差对定位精度产生的影响,给出了几何精度因子（GDOP）的理论推导和仿真结果.
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| 关 键 词： | 交叉定位 测向平面 椭球模型 |
Analysis on Bearing-only Cross-Location Algorithm |
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| ZHANG Guo-kai;DAI Xiao;HE Jia-zhou.Analysis on Bearing-only Cross-Location Algorithm[J].Information Command Control System and Simulation Technology,2013(6):40-44. |
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| Authors: | ZHANG Guo-kai;DAI Xiao;HE Jia-zhou |
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| Institution: | ZHANG Guo-kai;DAI Xiao;HE Jia-zhou(Jiangsu Automation Research Institute, Lianyungang 222061, china) |
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| Abstract: | Considered the positioning accuracy affected by earth curvature for bearing-only location system,based on northcalibrated location algorithm and ellipsoid model of global location algorithm are presented in this paper.Compared with the traditional cross-location algorithm,the algorithms have good position accuracy.The effect of measure error and position error are theoretically analyzed,also the expression of GDOP and simulation result are shown. |
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| Keywords: | cross-location： direction finding plane ellipsoid model of globe |
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