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首页> 外文期刊>Microwaves, Antennas & Propagation, IET >Synthesis of multiple-pattern planar arrays with A hybrid generalised iterative fast Fourier transform algorithm
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Synthesis of multiple-pattern planar arrays with A hybrid generalised iterative fast Fourier transform algorithm

机译：混合广义迭代快速傅里叶变换算法合成多模式平面阵列

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摘要

This study investigates the synthesis of multiple-pattern periodic phase-only control planar arrays. A hybrid generalised iterative Fourier technique is proposed to iteratively derive the array element excitations efficiently from the prescribed array factor, in which the two-dimensional Woodward-Lawson method is employed in order to generate good initial values. During the synthesis process, the phase-only control reconfigurable array is obtained by changing the corresponding phase for different array patterns while keeping the excitation amplitude constant. The robustness of the proposed algorithm has been testified by investigating the sensitivity of the radiation pattern affected by the amplitude and phase errors. Furthermore, three totally different types of reconfigurable numerical examples are discussed to validate the proposed method. Simulation results reveal the superior performance, the efficiency and the robustness of the proposed algorithm in dealing with multiple-pattern arrays.
机译：这项研究调查了多模式周期仅相位控制平面阵列的综合。提出了一种混合广义迭代傅里叶技术，从规定的阵列因子中有效地迭代导出阵列元素激励，其中采用了二维伍德沃德-劳森方法来生成良好的初始值。在合成过程中，通过改变不同阵列模式的相应相位，同时保持激励幅度恒定，可以获得仅相位控制可重配置阵列。通过研究受振幅和相位误差影响的辐射方向图的敏感性，证明了所提算法的鲁棒性。此外，讨论了三种完全不同类型的可重构数值示例，以验证所提出的方法。仿真结果表明，该算法在处理多模式数组时具有优越的性能，效率和鲁棒性。

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