电讯技术2016，Vol.56Issue(12)：1365-1369,5.DOI:10.3969/j.issn.1001-893x.2016.12.011
低轨双星无源探测系统对运动辐射源的快速检测算法
A Fast Algorithm for Low Earth-Orbit Dual-satellite Passive Detection System to Detect Moving Emitters
张宇阳1
作者信息
- 1. 中国西南电子技术研究所，成都610036
- 折叠
摘要
Abstract
A method for emitter locating and motion detecting is proposed for low earth-orbit( LEO) dual-satellite passive detection system which is unable to locate fast moving emitters when using time difference of arrival( TDOA) and frequency difference of arrival( FDOA) . Motion detection is implemented automati-cally using FDOA measurement and location result based on angle of arrival ( AOA ) measurement and TDOA measurement with single observation of the emitter. The algorithm can efficiently detect uniformly moving targets which move parallelly to the geodetic level even if measurement errors exist. Numerical sim-ulation demonstrates that the correct detection probability reaches 95% when emitters move faster than 60 m/s in LEO dual-satellite passive detection system.关键词
双星无源定位/运动辐射源/到达时间差/到达频率差/运动检测Key words
dual-satellite passive localization/moving emitter/TDOA/FDOA/motion detection分类
信息技术与安全科学引用本文复制引用
张宇阳..低轨双星无源探测系统对运动辐射源的快速检测算法[J].电讯技术,2016,56(12):1365-1369,5.
