一种基于跟踪信息的多基雷达系统航迹起始算法

刘红亮; 但晓东; 周生华; 刘宏伟

doi:10.11999/JEIT150148

一种基于跟踪信息的多基雷达系统航迹起始算法

doi: 10.11999/JEIT150148

基金项目:

国家自然科学基金(61401329, 61271024, 60901065)

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- 文章访问数: 1420
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- 被引次数: 0
出版历程
- 收稿日期: 2015-01-27
- 修回日期: 2015-05-26
- 刊出日期: 2015-10-19

A Track Initiation Algorithm for Multisite Radar Systems Based on Tracking Information

Funds:

The National Natural Science Foundation of China (61401329, 61271024, 60901065)

摘要

摘要: 多基雷达系统(MSRS)可以大大提高目标定位性能，然而由于各个雷达站信噪比的差异，通常存在一些雷达站尚未建立目标航迹，从而不能最大程度地提高目标定位精度。因此，如何利用其它雷达站提供的目标跟踪信息，提高尚未建立目标航迹的雷达站的探测性能是一个值得研究的问题。为此，该文提出一种基于跟踪信息的航迹起始算法。首先将已经跟踪到目标的雷达站提供的目标跟踪信息，送至尚未建立目标航迹的雷达站；然后利用目标跟踪信息和目标运动模型，建立目标预测波门；最终在虚假航迹起始概率恒定的条件下，调整预测波门内的检测门限，完成目标检测和航迹起始过程。仿真实验表明，该算法可以大大提高目标检测概率和目标航迹起始概率。
- 雷达 /
- 航迹起始 /
- 跟踪信息 /
- 预测波门 /
- 虚假航迹起始概率
Abstract: MultiSite Radar Systems (MSRS) can significantly improve target localization performance. However, due to the difference of signal-to-noise ratios of separate radar sites, there usually exist some radar sites that have not initiated a target track, hence target localization accuracy can not be improved to the best. So an interesting problem is how to use target tracking information provided by other radar sites to improve the detection performance of the radar sites that have not initiated the target track. In this paper, a track initiation algorithm based on tracking information is proposed. Firstly, the target tracking information provided by the radar sites that have already tracked a target is transmitted to the radar sites that have not initiated the target track. Then, a predicted gate is established according to the tracking information and target dynamic model. Finally detection thresholds in the predicted gate are adjusted under a constant probability of false track initiation, and target detection and track initiation are accomplished. Numerical results indicate that the proposed algorithm can significantly improve the probability of target detection and target track initiation.
- Radar /
- Track initiation /
- Tracking information /
- Predicted gate /
- Probability of false track initiation

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参考文献(22)

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