给定辐射时间限制下的雷达辐射时机最优规划研究

doi:10.3969/j.issn.1000-1093.2012.01.008

兵工学报 ›› 2012, Vol. 33 ›› Issue (1): 41-47.doi: 10.3969/j.issn.1000-1093.2012.01.008

给定辐射时间限制下的雷达辐射时机最优规划研究

吴巍，王国宏，李世忠

（海军航空工程学院信息融合研究所, 山东烟台 264001）

收稿日期:2010-05-17 修回日期:2010-05-17 上线日期:2014-03-04
作者简介:吴巍(1981—)，男，博士研究生
基金资助:
国家自然基金（610020066097215961002001）；航空科学基金（20085184003）；泰山学者建设工程专项经费资助项目

Research on Optimum Scheduling for Radar Radiation Occasions with Emission Time Constraint

WU Wei, WANG Guo-hong, LI Shi-zhong

(Institute of Information Fusion, Naval Aeronautical and Astronautical University, Yantai 264001, Shandong, China)

Received:2010-05-17 Revised:2010-05-17 Online:2014-03-04

摘要/Abstract

摘要： 研究了给定辐射时间限制下的雷达辐射时机最优规划问题，以目标状态估计误差协方差的迹为优化目标函数，建立了雷达辐射时机最优规划模型，推导出了最优规划准则。研究结果表明，给定一段时间内辐射时间限制下，雷达辐射时机点越集中于该段时间终点，目标状态估计误差越小。在该准则下，提出了一种基于协方差控制的雷达实时辐射控制方法，利用预测协方差门限和滤波协方差门限对雷达的辐射进行实时控制。仿真结果表明，提出的方法能很好的控制雷达辐射对目标进行跟踪，雷达辐射时间与预测协方差门限和滤波协方差门限有关，可以根据跟踪需求设置不同参数来控制雷达辐射。得出的结论对雷达辐射控制及提高目标估计精度有一定的理论和实际意义。

关键词: 雷达工程, 相控阵雷达, 目标跟踪, 辐射控制, 最优规划

Abstract: The optimum scheduling for radar radiation occasions with emission time constraint is concerned, the model of the radar radiation occasions optimum scheduling is established with optimizing objective function the trace of target statement estimation error covariance, the rule of optimum scheduling for radar radiation is drawn. Research results demonstrate, given the emission time constraint, the closer the radar radiation occasions to the end of the time segment is, the less the target statement estimation error is. A method of real-time radar radiation controlling is put forward based on the rule, using the prediction covariance threshold and the estimation covariance threshold to control the radar radiation on real time. The simulation results show that, the proposed method can control radar’s radiation to track targets smoothly, the radar radiation times is related to the prediction covariance threshold and the estimation covariance threshold, and radar radiation can be controlled by setting different parameter based on different tracking demand. These conclusions can be used for optimum scheduling for radar radiation to obtain high estimation accuracy.

Key words: radar engineering, phased array radar, target tracking, radiation controlling, optimum scheduling

中图分类号:

TP95

吴巍，王国宏，李世忠. 给定辐射时间限制下的雷达辐射时机最优规划研究[J]. 兵工学报, 2012, 33(1): 41-47.

WU Wei, WANG Guo-hong, LI Shi-zhong. Research on Optimum Scheduling for Radar Radiation Occasions with Emission Time Constraint[J]. Acta Armamentarii, 2012, 33(1): 41-47.

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给定辐射时间限制下的雷达辐射时机最优规划研究

Research on Optimum Scheduling for Radar Radiation Occasions with Emission Time Constraint

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