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| 基于PCRLB的低轨星座对自由段多目标的多传感器调度算法 | |
| 引用本文： | 赵砚,张寅生,易东云,张倩.基于PCRLB的低轨星座对自由段多目标的多传感器调度算法[J].宇航学报,2011,32(4). |
| 作者姓名： | 赵砚 张寅生 易东云 张倩 |
| 作者单位： | 1. 国防科技大学理学院,长沙,410073 2. 北京跟踪与通信技术研究所,北京,100094 3. 北京航天指挥控制中心,北京,100094 |
| 摘 要： | 研究了低轨星座跟踪自由段目标背景下的多目标多传感器调度问题.论述了自由段目标运动模型和星载红外传感器测量模型.考虑到目标出现的时空不确定性,面向系统的跟踪性能,建立了基于突发事件和滚动周期的调度框架以及调度与跟踪的闭环结构.基于此,建立了调度的具体算法.特别地,以调度周期内系统的信息增量最大化为目标,详细设计了基于PCRLB的调度策略性能指标.仿真验证了算法的可行性、优越性以及在动态环境中的适应性. |
| 关 键 词： | 多目标多传感器调度 后验Cramer-Rao下界 信息增量 低轨星座 中段目标 |
PCRLB-Based Multi-Sensor Management for Coasting-Phase Multi-Target Tracking Using LEO Satellite Constellation |
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| ZHAO Yan,ZHANG Yin-sheng,YI Dong-yun,ZHANG Qian.PCRLB-Based Multi-Sensor Management for Coasting-Phase Multi-Target Tracking Using LEO Satellite Constellation[J].Journal of Astronautics,2011,32(4). | |
| Authors: | ZHAO Yan ZHANG Yin-sheng YI Dong-yun ZHANG Qian |
| Institution: | ZHAO Yan1,ZHANG Yin-sheng2,YI Dong-yun1,ZHANG Qian3(1.School of Science,National University of Defense Technology,Changsha 410073,China,2.Beijing Institute of Tracking and Telecommunication Technology,Beijing 100094,3.Beijing Aerospace Command and Control Center,China) |
| Abstract: | The problem of multi-target/multi-sensor management for tracking coasting-phase targets by means of sensors located on the LEO satellite constellation is studied.The coasting-phase target dynamics model and the satellite-borne IR sensor measurement model are reviewed.Considering the space-time uncertainties events of targets emergence,the unexpected-event and rolling-period(UERP) based management framework,together with the closed-form structure composed of sensor management and target track,is established ... |
| Keywords: | Multi-target multi-sensor management Posterior Cramer-Rao lower bound(PCRLB) Information increment Low Earth orbit(LEO) satellite constellation Coast-phase target |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |