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Wideband array antenna concept

机译：宽带阵列天线概念

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This presents a unique wideband array concept that includes a wideband array aperture incorporating radiating elements of different sizes and inter-element spacings. The array is a fully-filled aperture consisting of a core region surrounded by several layers of radiating elements which increase in size. By proper selection of the core region and the number of layers, one can form a beam with specified beamwidth over a five to one frequency range. The proposed concept considerably reduces the cost and complexity by decreasing the effective number of radiating elements and the corresponding receive or transmit modules. Numerical simulation results, ignoring the mutual coupling effects, are presented for array patterns at several frequencies to prove the concept. A possible beamforming concept is also included. Additional work is planned to prove the viability of the concept by taking the mutual coupling into account.
机译：这提出了一个独特的宽带阵列概念，该概念包括一个宽带阵列孔径，该孔径结合了不同尺寸和元件间间距的辐射元件。该阵列是一个完全填充的孔，由核心区域组成，该核心区域被几层尺寸增大的辐射元件围绕。通过适当选择核心区域和层数，可以在五到一个频率范围内形成具有指定波束宽度的波束。所提出的概念通过减少辐射元件和相应的接收或发射模块的有效数量而大大降低了成本和复杂性。数值模拟结果忽略了相互的耦合效应，给出了几种频率下的阵列模式，以证明这一概念。还包括可能的波束成形概念。通过考虑相互的耦合，计划进行其他工作以证明该概念的可行性。

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