一种性能改进的宽带低轮廓SIW h面喇叭天线

2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI) Pub Date : 2023-07-23 DOI:10.1109/USNC-URSI52151.2023.10237461

Anil Kumar Nayak, Igor M Filanovsky, K. Moez, A. Patnaik

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引用次数: 0

摘要

本文提出了一种宽带、低轮廓($0.008 \lambda_{0}$)基板集成波导(SIW) h面喇叭天线，该天线具有减少的侧瓣和提高的前后比(FTBR)。这是实现在同轴馈电附近的三个矩形槽。喇叭孔前的六角形槽用于改善阻抗匹配。在9.85 GHz频率下，测得分数阶阻抗带宽为29.5% (3.25 GHz)，最大增益为5.52 dBi(最小2.85 dBi)，最大辐射效率为95.99%，FTBR为15.83 dB，低交叉极化电平。

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A Broadband Low Profile SIW H-Plane Horn Antenna with Improved Performance

This paper is presenting a broadband, low-profile ($0.008 \lambda_{0}$) substrate-integrated waveguide (SIW) H-plane horn antenna with the reduced side lobes and improved front-to-back ratio (FTBR). This is achieved implementing three rectangular slots near the coaxial feed. The hexagonal slots in front of the horn aperture are used to improve impedance matching. The measured fractional impedance bandwidth of 29.5% (3.25 GHz), the maximum gain of 5.52 dBi (minimum: 2.85 dBi), the maximum radiation efficiency of 95.99 %, the FTBR of 15.83 dB, and the low cross-polarization level have been achieved at the frequency of 9.85 GHz.

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2023 IEEE International Symposium on Antennas and Propagation and USNC-URSI Radio Science Meeting (USNC-URSI)

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