A Low-Sidelobe-Level Variable Inclination Continuous Transverse Stub Antenna with a Nonlinear Slow-Wave Structure

The sidelobe level (SLL) is an essential performance factor for satellite communication antennas. A low-SLL design can effectively suppress adjacent satellite interference. A low-SLL design method for a variable inclination continuous transverse stub (VICTS) antenna is proposed in this paper. The VI...

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Autores principales:	Kexin Wang, Xue Lei, Jun Gao, Tianpeng Li, Siyu Tian, Mingyang Zhao
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi Limited 2021
Materias:	Electrical engineering. Electronics. Nuclear engineering TK1-9971 Cellular telephone services industry. Wireless telephone industry HE9713-9715
Acceso en línea:	https://doaj.org/article/aca21a721ae54910aea824776ae005e7
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spelling	oai:doaj.org-article:aca21a721ae54910aea824776ae005e72021-11-29T00:56:07ZA Low-Sidelobe-Level Variable Inclination Continuous Transverse Stub Antenna with a Nonlinear Slow-Wave Structure1687-587710.1155/2021/4056424https://doaj.org/article/aca21a721ae54910aea824776ae005e72021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/4056424https://doaj.org/toc/1687-5877The sidelobe level (SLL) is an essential performance factor for satellite communication antennas. A low-SLL design can effectively suppress adjacent satellite interference. A low-SLL design method for a variable inclination continuous transverse stub (VICTS) antenna is proposed in this paper. The VICTS antenna is composed of three rotatable parts: a feeding plate, a radiation plate, and a polarization plate. The radiation plate comprises two groups of stubs with different radiation ratios. Combined with the nonlinear slow-wave structure attached to the feeding plate, the radiation ratio of the unit can be adjusted. The aperture field of the VICTS antenna using this method can be tapered in order to suppress the SLL. To verify the effectiveness of this method, the antenna prototype is fabricated and measured in a microwave anechoic chamber. The simulation and the measurement are in good agreement. The reflection coefficient of the antenna is kept below −15 dB and between 13.75 GHz and 14.5 GHz. When the radiation plate and the feeding plate rotate relative to each other, the pattern beam can be scanned from 5° to 70°. In the scanning range, the typical SLL can reach −18 dB.Kexin WangXue LeiJun GaoTianpeng LiSiyu TianMingyang ZhaoHindawi LimitedarticleElectrical engineering. Electronics. Nuclear engineeringTK1-9971Cellular telephone services industry. Wireless telephone industryHE9713-9715ENInternational Journal of Antennas and Propagation, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Electrical engineering. Electronics. Nuclear engineering TK1-9971 Cellular telephone services industry. Wireless telephone industry HE9713-9715
spellingShingle	Electrical engineering. Electronics. Nuclear engineering TK1-9971 Cellular telephone services industry. Wireless telephone industry HE9713-9715 Kexin Wang Xue Lei Jun Gao Tianpeng Li Siyu Tian Mingyang Zhao A Low-Sidelobe-Level Variable Inclination Continuous Transverse Stub Antenna with a Nonlinear Slow-Wave Structure
description	The sidelobe level (SLL) is an essential performance factor for satellite communication antennas. A low-SLL design can effectively suppress adjacent satellite interference. A low-SLL design method for a variable inclination continuous transverse stub (VICTS) antenna is proposed in this paper. The VICTS antenna is composed of three rotatable parts: a feeding plate, a radiation plate, and a polarization plate. The radiation plate comprises two groups of stubs with different radiation ratios. Combined with the nonlinear slow-wave structure attached to the feeding plate, the radiation ratio of the unit can be adjusted. The aperture field of the VICTS antenna using this method can be tapered in order to suppress the SLL. To verify the effectiveness of this method, the antenna prototype is fabricated and measured in a microwave anechoic chamber. The simulation and the measurement are in good agreement. The reflection coefficient of the antenna is kept below −15 dB and between 13.75 GHz and 14.5 GHz. When the radiation plate and the feeding plate rotate relative to each other, the pattern beam can be scanned from 5° to 70°. In the scanning range, the typical SLL can reach −18 dB.
format	article
author	Kexin Wang Xue Lei Jun Gao Tianpeng Li Siyu Tian Mingyang Zhao
author_facet	Kexin Wang Xue Lei Jun Gao Tianpeng Li Siyu Tian Mingyang Zhao
author_sort	Kexin Wang
title	A Low-Sidelobe-Level Variable Inclination Continuous Transverse Stub Antenna with a Nonlinear Slow-Wave Structure
title_short	A Low-Sidelobe-Level Variable Inclination Continuous Transverse Stub Antenna with a Nonlinear Slow-Wave Structure
title_full	A Low-Sidelobe-Level Variable Inclination Continuous Transverse Stub Antenna with a Nonlinear Slow-Wave Structure
title_fullStr	A Low-Sidelobe-Level Variable Inclination Continuous Transverse Stub Antenna with a Nonlinear Slow-Wave Structure
title_full_unstemmed	A Low-Sidelobe-Level Variable Inclination Continuous Transverse Stub Antenna with a Nonlinear Slow-Wave Structure
title_sort	low-sidelobe-level variable inclination continuous transverse stub antenna with a nonlinear slow-wave structure
publisher	Hindawi Limited
publishDate	2021
url	https://doaj.org/article/aca21a721ae54910aea824776ae005e7
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A Low-Sidelobe-Level Variable Inclination Continuous Transverse Stub Antenna with a Nonlinear Slow-Wave Structure

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