In this article, we present a novel half mode substrate integrated waveguide (HMSIW)‐based bandpass filter fed antipodal tapered slot antenna. We employ a novel feed consisting of three horizontal slots with two gaps arranged periodically on the top metal layer of HMSIW to obtain |S₁₁|<‐10 dB and |S₂₁|≃0 dB over the passband from 21.6 to 40 GHz. We incorporate sinusoidal corrugations at the antenna outer edges along with ground plane slots. We control the operating bandwidth of the antenna over 21.6–40 GHz with |S₁₁|<‐10 dB using the proposed feed. The antenna offers gain of 10–12.44 dB and stable radiation pattern over the controlled band. The proposed antenna, 16 × 30.3 × 0.254 mm³ in volume, is fabricated and tested for validation. The measurement results show good agreement with simulations. The proposed antenna compares favorably with the state‐of‐the‐art. It is compact and exhibits stable gain and stable radiation pattern over the controlled bandwidth.

中文翻译：

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一种新颖的对角锥形缝隙天线，与半模衬底集成的基于波导的带通滤波器集成在一起，适用于K和Ka频段应用

在本文中，我们介绍了一种新型的基于半模基片集成波导（HMSIW）的带通滤波器馈送的对角锥形缝隙天线。我们采用一种新颖的馈源，该馈源由三个水平缝隙组成，两个缝隙周期性地排列在HMSIW的顶部金属层上，以在21.6至40 GHz的通带上获得| S ₁₁ | < -10 dB和| S ₂₁ |≃0 dB。我们在天线的外边缘结合了正弦波状波纹以及接地平面槽。我们使用建议的馈送，在| S ₁₁ | < -10 dB的情况下控制21.6–40 GHz范围内天线的工作带宽。该天线可提供10–12.44 dB的增益，并在受控频带上具有稳定的辐射方向图。拟议天线16×30.3×0.254 mm体积为³，经制造和测试以进行验证。测量结果与仿真结果吻合良好。所建议的天线与最新技术相比具有优势。它结构紧凑，在受控带宽内显示稳定的增益和稳定的辐射方向图。