天线附近的电磁波阵列电尺寸小

2016 8th International Conference on Ultrawideband and Ultrashort Impulse Signals (UWBUSIS) Pub Date : 2016-09-01 DOI:10.1109/UWBUSIS.2016.7724195

N. Gorobets, A. Lebedev

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引用次数: 0

摘要

从理论上研究了具有少量辐射体的线性和平面天线阵列在近场观测中有限距离处的电场振幅和相位特性。结果表明，在最小尺寸的2×1和2×2天线阵中，场振幅随观测点纵坐标和横坐标的增加而均匀减小。随着近场天线阵列中4×1和4×4的散热器数量的增加，形成的探照灯光束中，场幅值根据振荡规律略有下降。方形孔径天线阵的区域探照灯光束长度较大。

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Electromagnetic waves near the antenna arrays small electric size

The amplitude and phase characteristics of the electric field at a finite distance from the linear and planar antenna arrays with a small number of radiators in their near field observation are theoretically investigated. It is shown that in the case of the antenna arrays lowest possible sizes of 2×1 and 2×2 radiators the field amplitude decreases uniformly with increasing longitudinal and transverse coordinates of observation points. With increasing number of radiators to 4×1 and 4×4 in the near field antenna arrays the searchlight beam is formed, in which the field amplitude decreases slightly by oscillating laws. The length of the area searchlight beam is greater in the case of the aperture antenna arrays with square-shaped aperture.

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2016 8th International Conference on Ultrawideband and Ultrashort Impulse Signals (UWBUSIS)

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