提高波导宽壁缝隙阵列天线带宽的新型探针激励馈电结构

2015 International Workshop on Antenna Technology (iWAT) Pub Date : 2015-03-04 DOI:10.1109/IWAT.2015.7365329

JoungMyoung Joo, Jongkuk Park, In-Hee Han, Ji-Hoon Jeong, Gyu-Yeon Kim, Dongwoon Lee

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引用次数: 1

摘要

为了提高波导宽壁缝隙阵列天线的带宽，提出了一种新型的探针激励馈电结构。将传统的斜槽馈电和所提出的馈电分别应用于相同规格的宽壁槽阵列的设计，并通过全波仿真对结果进行了比较。与传统的斜槽馈电相比，采用该馈电结构的阵列的带宽提高了约15.3%。此外，实验结果表明，该馈源的方位角旁瓣电平(SLL)比传统馈源提高了约3.7 dB。

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Novel probe-exciting feed structure for improving bandwidth of waveguide broad wall slot array antenna

In this paper, a novel probe-exciting feed structure was proposed for improving the bandwidth of a waveguide broad wall slot array antenna. Both a conventional inclined slot feed and the proposed one are applied to the design of the broad wall slot arrays with the same specification, respectively, and then, their results are compared by using the full-wave EM simulation. As expected, the bandwidth of the array with the proposed feed structure has been improved by about 15.3 % compared with that of the array with the conventional inclined slot feed. Also, it is shown that the proposed feed provides a better azimuth sidelobe level(SLL) by about 3.7 dB than the conventional one.

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2015 International Workshop on Antenna Technology (iWAT)

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