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首页> 外文期刊>International Journal on Communications Antenna and Propagation >Synthesis of Asymmetric Radiation Patterns with Non-Uniform Linear Arrays Using Evolutionary Algorithms
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Synthesis of Asymmetric Radiation Patterns with Non-Uniform Linear Arrays Using Evolutionary Algorithms

机译：使用进化算法合成非均匀线性阵列的不对称辐射图案

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This paper presents a comparative study of five evolutionary algorithms for applications in the synthesis of asymmetric radiation patterns in order to adapt the levels of lateral lobes and main beam steering in non-uniform linear arrays. As a result of the study, it is concluded that differential evolution algorithms allow improving parameters such as the side lobe levels equalized at different flat levels to the left (SLL_L) and to the right (SLL_R) of the main beam, achieving values of SLL_R = -25 dB and SLL_L = -35 dB, exceeding some results of works published in the literature. The validation strategy of the proposal makes use of the magnitudes and phases of excitation along with the separations between elements obtained through the algorithms studied in order to design and excite arrays of λ/2 dipoles placed above ground plane operating at a frequency of 1.8 GHz, The proposal was assessed and evaluated by electromagnetic simulation software (HFSS).
机译：本文介绍了对非对称辐射图案合成的应用中的五种进化算法的比较研究，以适应非均匀线性阵列中的侧瓣和主光束转向的水平。由于研究结果，得出结论，差分演进算法允许改善诸如在左（SLL_L）的不同平坦水平下均衡的侧瓣水平等参数，并达到主光束的右（SLL_R），实现SLL_R的值= -25 dB和SLL_L = -35 dB，超过文献中发布的一些作品的结果。该提案的验证策略利用激发的幅度和阶段以及通过所研究的算法获得的元件之间的分离，以便设计和激发λ/ 2偶极物的λ/ 2个偶极阵列，该λ/ 2个偶极阵列以1.8GHz的频率操作，通过电磁仿真软件（HFS）评估和评估该提案。

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