| 机载相控阵雷达射频隐身时最优搜索性能研究 |
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| 引用本文： | 张贞凯,周建江,汪飞,刘伟强.机载相控阵雷达射频隐身时最优搜索性能研究[J].宇航学报,2011(9). |
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| 作者姓名： | 张贞凯 周建江 汪飞 刘伟强 |
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| 作者单位： | 南京航空航天大学信息科学与技术学院;江苏科技大学电子信息学院; |
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| 基金项目： | 航空重点实验室基金(20101752); 江苏省普通高校研究生科研创新计划资助项目(CX10B_110Z,CX09B_081Z) |
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| 摘 要： | 为提高机载相控阵雷达的生存能力,首次提出了一种基于射频隐身的雷达搜索方法。分析了影响雷达搜索性能的各个参数,将波束宽度、驻留时间和发射平均功率作为优化参数,将最小化能量消耗函数、最小化估计检测概率与期望检测概率的2范数作为目标,利用带精英策略的非支配排序遗传算法对雷达搜索模型进行优化。从最后Pareto解集中选取使两个目标函数乘积最小的解作为最优解。仿真结果表明,本文的算法与基于最大检测概率、最大起始跟踪距离的搜索方法相比,在具有较好检测性能的前提下,消耗较少的能量,具有较好的射频隐身能力。
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| 关 键 词： | 射频隐身 雷达搜索 能量消耗 非支配排序遗传算法II |
Research on Optimal Search Performance of Airborne Phased Array Radar for Radio Frequency Stealth |
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| ZHANG Zhen-kai,ZHOU Jian-jiang,WANG Fei,LIU Wei-qiang.Research on Optimal Search Performance of Airborne Phased Array Radar for Radio Frequency Stealth[J].Journal of Astronautics,2011(9). |
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| Authors: | ZHANG Zhen-kai ZHOU Jian-jiang WANG Fei LIU Wei-qiang |
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| Institution: | ZHANG Zhen-kai1,2,ZHOU Jian-jiang1,WANG Fei1,LIU Wei-qiang1(1.Dept.of Information Science and Technology,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China,2.Dept.of Electronic Information,Jiangsu University of Science and Technology,Zhenjiang 212003,China) |
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| Abstract: | A novel search algorithm based on radio frequency stealth is presented for the first time in order to increase the viability of airborne phased array radar.Beam width,dwelling time and average transmitting power which influences the search performance are selected as optimized variables in the algorithm.A mathematical model of multi-objective optimization is established to achieve minimum energy cost and minimum 2-norm which is decided by estimated detection probability and expected detection probability.No... |
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| Keywords: | Radio frequency stealth Radar search Energy cost Non-dominated sorting genetic algorithm II |
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