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Application of multi-population improved cultural genetic algorithm using fuzzy mathematics in synthesis of array radar antenna

机译:模糊数学的多元种群改进遗传算法在阵列雷达天线综合中的应用

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In order to address the optimization problem of array radar antenna and obtain the optimal antenna pattern, a novel hybrid genetic algorithm is proposed. The new algorithm introduces the theory of fuzzy mathematics into acceptance function, update function and influence function of cultural algorithm. Based on multi-population genetic algorithm (MPGA), the novel hybrid algorithm suppresses the peak side lobe level to −17.43908dB through optimizing the phase of array radar antenna. Comparing with the simulation results of cultural genetic algorithm (CGA) [1] and improved cultural genetic algorithm (ICGA), multi-population improved cultural genetic algorithm (MICGA) has the strongest performance of global search and local search, and it can search the global optimum. Besides, the convergence probability of MICGA is the highest and reaches 90%. Thus MICGA has a great prospect in the optimization design of array radar antenna.
机译:为了解决阵列雷达天线的优化问题并获得最优的天线方向图,提出了一种新的混合遗传算法。新算法将模糊数学理论引入文化算法的接受函数,更新函数和影响函数。该新型混合算法基于多种群遗传算法(MPGA),通过优化阵列雷达天线的相位将峰值旁瓣电平抑制到-17.43908dB。与文化遗传算法(CGA)[1]和改进的文化遗传算法(ICGA)的仿真结果相比,多种群改进的文化遗传算法(MICGA)具有全局搜索和局部搜索的最强性能,并且可以搜索全局最优。此外,MICGA的收敛概率最高,达到90%。因此,MICGA在阵列雷达天线的优化设计中具有广阔的前景。

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