太赫兹科学与电子信息学报2025，Vol.23Issue(8)：793-803,824,12.DOI:10.11805/TKYDA2025078
基于北斗导航的PR海面目标联合定位与跟踪方法
Joint localization and tracking method of BeiDou-based PR for maritime target
李奥成 1黄川 2李中余 1杨青 1安洪阳 1武俊杰 1杨建宇1
作者信息
- 1. 电子科技大学 信息与通信工程学院,四川 成都 611731
- 2. 清华大学 电子工程系,北京 100084
- 折叠
摘要
Abstract
With the global deployment of the BeiDou navigation system,Passive Radar(PR)has gained access to all-weather,continuous,and wide-coverage opportunistic signals,demonstrating significant potential for maritime surveillance.However,the extremely low signal-to-noise ratio and nonlinear spatio-temporal variations challenge the effectiveness of conventional radar localization and tracking methods.A Joint Localization and Tracking(JLT)method is proposed for maritime targets by fusing multi-satellite illuminators.The approach involves long-time coherent integration of echoes into the Difference Bistatic Range(DBR),Doppler Centroid(DC),and Doppler Frequency Rate(DFR)domain.Leveraging the consistency of DFR,the multi-static results are projected and non-coherently fused in the X-Y-Vr domain to achieve initial target localization and velocity estimation.Subsequently,a Particle Filter(PF)is employed to address the nonlinear measurement model of PR,enabling precise multi-satellite tracking of moving targets.Simulation results confirm that the proposed method enhances the performance of state estimation and significantly reduces trajectory estimation errors.关键词
外辐射源雷达(PR)/定位和跟踪/海面目标/多基融合Key words
Passive Radar(PR)/localization and tracking/maritime target/multistatic fusion分类
信息技术与安全科学引用本文复制引用
李奥成,黄川,李中余,杨青,安洪阳,武俊杰,杨建宇..基于北斗导航的PR海面目标联合定位与跟踪方法[J].太赫兹科学与电子信息学报,2025,23(8):793-803,824,12.
