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To control the beamwidth of antenna arrays by virtually changing inter-distances

机译:通过虚拟改变间距来控制天线阵列的波束宽度

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摘要

An analytic method is proposed to design antenna arrays so that the beamwidth of their main lobe can be controlled. This helps us to either enlarge the beamwidth at a fixed scan angle or to keep constant the beamwidth during steering the main lobe. For this purpose, a virtual array is considered and its inter-distances are changed virtually. Then, on this basis, the currents of antennas are determined. To this end, the Fourier's coefficients of the array factors of actual and virtual arrays are equated with each other. Some comprehensive examples are given to verify the effectiveness of the proposed method.
机译:提出了一种分析方法来设计天线阵列,以便控制其主瓣的波束宽度。这有助于我们以固定的扫描角度扩大波束宽度,或者在操纵主瓣期间保持波束宽度恒定。为此目的,考虑虚拟阵列并且虚拟地改变其相互距离。然后,在此基础上确定天线的电流。为此,实际阵列和虚拟阵列的阵列因子的傅立叶系数彼此相等。给出了一些综合的例子来验证所提方法的有效性。

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