| 测时差无源定位误差分析 |
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| 引用本文： | 邬喜辉,章建辉,周武华.测时差无源定位误差分析[J].舰船电子对抗,2009,32(5):45-48. |
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| 作者姓名： | 邬喜辉 章建辉 周武华 |
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| 作者单位： | 解放军91622部队,乐东,572542 |
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| 摘 要： | 测时差无源定位具有很高的测量精度,但是测时差定位计算困难,误差分析复杂。提出了两维空间中测时差定位模糊区的大小和目标分布的概率密度函数,还引入了概率椭圆来表示目标的概率分布,并画出了目标处于典型位置时的概率椭圆。
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| 关 键 词： | 时差 无源定位 误差分析 |
Error Analysis of Passive Location Based on Time Difference Measurement |
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| WU Xi-hui,ZHANG Jian-hui,ZHOU Wu-hua.Error Analysis of Passive Location Based on Time Difference Measurement[J].Shipboard Electronic Countermeasure,2009,32(5):45-48. |
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| Authors: | WU Xi-hui ZHANG Jian-hui ZHOU Wu-hua |
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| Affiliation: | (Unit 91622 of PLA,Ledong 572542,China) |
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| Abstract: | The passive location based on time difference measurement can offer perfect location accuracy, but the location calculation is difficult and the error analysis is complicated. This article brings out the size of location fuzzy area of time difference measurement and the probability density function of the target distribution in two-dimensional space, and introduces the probability ellipse to express the probability distribution of target, and draws the probability ellipse when the target is at the typical positions. |
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| Keywords: | time difference passive location error analysis |
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