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Array Pattern Reconfiguration Using Pixel Method

机译:使用像素方法重新配置阵列模式

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摘要

In this paper, the array elements are considered as pixels and their magnitude excitations are assigned to the values of 1 (i.e., active or turned ON) or 0 (i.e., inactive or turned OFF). Thus, each element either exists at its position in the considered array or not. The proposed pixel method can be applied to different planar array configurations such as square, rectangular, triangular, circular, or any other shape to achieve the required pattern reconfigurability. Moreover, by turning OFF some of the selected elements, the main beam of the array pattern can be switched to specify directions without using any phase shifters or any other RF components. Therefore, its practical implementation is simpler and cheaper than any other existing method. However, when comparing with arrays in which all their elements are turned ON, the gain of the considered arrays will be reduced when some selected elements are turned OFF. The array pattern reconfiguration using the pixel method has been designed and its parameters have been optimized using computer simulation Technology (CST-MWS), which uses the Finite Integration Technique (FIT). It's also verified by High-Frequency Surface Structure (HFSS) commercial software (based on the FEM method). Numerical results obtained under full-wave modeling CST environment demonstrate the effectiveness of the described method.
机译:在本文中,将阵列元素视为像素,并且将其大小激励分配为值1(即激活或打开)或0(即不激活或关闭)。因此,每个元素要么存在于所考虑的数组中的位置,要么不存在。所提出的像素方法可以应用于不同的平面阵列配置,例如正方形,矩形,三角形,圆形或任何其他形状,以实现所需的图案可重构性。此外,通过关闭一些选定的元件,可以在不使用任何移相器或任何其他RF组件的情况下,将阵列图案的主光束切换为指定方向。因此,它的实际实现比任何其他现有方法都更简单,更便宜。但是,当与所有元素都打开的阵列进行比较时,当某些选定元素关闭时,所考虑的阵列的增益将降低。设计了使用像素方法的阵列图案重新配置,并使用了计算机模拟技术(CST-MWS)(使用有限集成技术(FIT))优化了其参数。还已通过高频表面结构(HFSS)商业软件(基于FEM方法)进行了验证。在全波模拟CST环境下获得的数值结果证明了所描述方法的有效性。

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