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基于遗传算法的雷达动目标显示(MTI)参差设计

Design of radar moving target indication(MTI)based on genetic algorithm
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摘要 针对杂波背景下的雷达动目标显示(MTI)滤波器优化问题运算量过大的情况,提出一种基于遗传算法的MTI参差设计。遗传算法是仿照大自然中生物种群进化过程“物竞天择,适者生存”的优化算法,是一种简单通用,鲁棒性高的启发性算法。定义MTI脉冲重复周期为基因编码,设计滤波器响应最低点为适应度函数,通过遗传算法进行选择、交叉、变异,在有限时间内迭代出最优的MTI脉冲重复周期组。通过仿真以及计算量对比,遗传算法搜索对MTI脉冲重复周期组的搜索大大减少了计算量,验证了其正确性以及可行性。 Aiming at the excessive amount of computation of the moving target indication(MTI)filter optimization problem under the background of clutter,this paper proposes a modified MTI design based on genetic algorithm.The genetic algorithm is an optimization algorithm modeled on the evolution process of biological populations in nature,"natural selection,survival of the fittest",and is a simple and universal heuristic algorithm with high robustness.This paper defines the MTI pulse repetition period as the gene code,designs the lowest point of the filter response as the fitness function,and the genetic algorithm is selected,crossed and mutated,and iterates the optimal MTI pulse repetition period group in a limited time by genetic algorithm for selection,crossover and variation.Through simulation and comparison of calculation amount,the genetic algorithm search for MTI pulse repetition period group greatly reduces the calculation amount and verifies its correctness and feasibility.
作者 王梦琦 Wang Mengqi(Chinese Liberation Army Navy 701 Factory,Beijing 100015)
出处 《船电技术》 2023年第7期79-82,共4页 Marine Electric & Electronic Engineering
关键词 动目标显示 遗传算法 雷达信号处理 Moving target indication genetic algorithms Radar signal processing
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  • 1姚傻,马松辉.Simulink建模与仿真[M].西安:西安电子科技大学出版社,2002.

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