| 三机时差频差联合定位精度分析 |
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| 引用本文： | 崔弘珂,王玉林.三机时差频差联合定位精度分析[J].无线电工程,2011,41(7):21-23. |
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| 作者姓名： | 崔弘珂 王玉林 |
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| 作者单位： | 中国电子科技集团公司第五十四研究所,河北石家庄,050081 |
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| 摘 要： | 从时差频差联合定位方程组出发,基于牛顿迭代法求解定位结果,并从理论上分析定位误差,说明时差频差联合定位的特点。考虑到双机时差频差定位中固有的定位结果模糊和定位精度不高2个问题,提出三机联合定位,通过飞机的两两组合消除定位结果模糊,并通过数据融合提高定位精度。通过仿真验证三机定位相对于双机在解定位模糊和精度方面要优于双机定位。
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| 关 键 词： | 时差 频差 双机 三机 牛顿迭代法 |
Accuracy Analysis of Three Aircraft TDOA/FDOA Location |
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| CUI Hong-ke,WANG Yu-lin.Accuracy Analysis of Three Aircraft TDOA/FDOA Location[J].Radio Engineering of China,2011,41(7):21-23. |
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| Authors: | CUI Hong-ke WANG Yu-lin |
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| Affiliation: | CUI Hong-ke,WANG Yu-lin(The 54th Research Institute of CETC,Shijiazhuang Hebei 050081,China) |
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| Abstract: | The location result is estimated by Newton's iteration from the system of time difference and frequency difference equations.Estimating accuracy and location characteristic are analyzed in theory.Considering to the ambiguity and low accuracy of two aircraft system,the three aircraft system is discussed.The ambiguity is eliminated by any two plane combination and location accuracy is improved by data fusing.It is proved by simulation that three aircraft system is prior to two aircraft system in elimination a... |
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| Keywords: | time difference of arrival frequency difference of arrival two aircraft three aircraft newton's iteration method |
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