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Compressed Higher Order Modes Slot Loaded Trapezoidal Antenna for Electromagnetic Imaging

机译:压缩高阶模式插槽负载梯形天线,用于电磁成像

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摘要

A wideband trapezoidal antenna operating at compressed high-order modes is proposed for microwave imaging applications. The antenna is investigated using characteristic mode analysis to show that by loading the slots and using the curved trapezoidal shape, the high-order modes shift to the lower frequency enhance the bandwidth. Multi-square-slotted-ring unit cells are integrated as an artificial magnetic conductor that is located below the antenna to act as a reflector. The proposed antenna operates from 0.85 GHz to 3.7 GHz with an average gain and front to back ratio of 10.5 dBi and 19.5 dB, respectively.
机译:提出了一种在压缩高阶模式下操作的宽带梯形天线,用于微波成像应用。 使用特性模式分析研究天线以显示通过加载槽并使用弯曲梯形形状,高阶模式转移到较低频率的增强带宽。 多方槽环单元电池作为人工磁导体集成为位于天线下方以充当反射器。 所提出的天线分别使用0.85GHz至3.7GHz,平均增益和前后比分别为10.5 dBi和19.5 dB。

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