Integrated substrate gap waveguide millimetre-wave filtering antenna with four controllable radiation nulls

被引：0
|
作者：
Hui, Ming [1 ]
Li, Liang [2 ]
Jiang, Pei [1 ]
Zhang, Meng [1 ]
Wang, Yongjie [1 ]
机构：
[1] Nanyang Normal Univ, Coll Phys & Elect Engn, Nanyang, Peoples R China
[2] Yunnan Univ, Coll Informat Sci & Engn, Kunming, Peoples R China
来源：
JOURNAL OF ENGINEERING-JOE | 2024年 / 2024卷 / 09期
关键词：
filtering antennas; millimetre wave antennas; substrate-integrated waveguides; DESIGN;
D O I：
10.1049/tje2.70003
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study proposed a millimetre-wave integrated substrate gap waveguide (ISGW) filtering antenna featuring four adjustable radiation nulls, with two located within each of its upper and lower stop bands. These nulls can be tuned by altering the dimensions of stepped-impedance resonators, complementary U-slots, and passive coplanar parasitic patches. Antennas offer the benefits of individually adjustable radiation nulls and the flexible modification of selectivity and gain curve roll-off. Simulation results indicated that the antenna operated at a central frequency of 25.4 GHz, with a relative bandwidth of 14.3% (23.76-27.04 GHz), and attained an average gain of 7.6 dBi. This study proposed a millimetre-wave integrated substrate gap waveguide (ISGW) filtering antenna featuring four adjustable radiation nulls. The antennas offer the benefits of individually adjustable radiation nulls and the flexible modification of selectivity and gain curve roll-off. image
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收藏
页数：6
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