2-18 GHz双极化紧密耦合偶极子阵列，扫描范围为±75°

IF 1.1 4区计算机科学 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Iet Microwaves Antennas & Propagation Pub Date : 2023-10-03 DOI:10.1049/mia2.12411

Wen-Liang Zhou, Shi-Wei Qu, Mingyao Xia, Shiwen Yang

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引用次数: 0

摘要

提出了一种超宽带(UWB)双极化紧密耦合偶极子阵列(TCDA)。采用劈开的x形电阻选频面(FSS)，可以获得更好的阻抗匹配。该天线在2 ~ 18 GHz的E面和H面扫描范围分别为±75°和±60°时，有效电压驻波比(VSWR)低于2.9。此外，设计了两个矩形贴片作为导片，可以提供更强的正向辐射，以减少电阻FSS的损耗，提高辐射效率。因此，平均辐射效率在84%以上，最低辐射效率为70%。总体天线轮廓为15 mm(最大工作波长为0.1λ)。为了验证设计方法，制作了一个16 × 16阵列样机并进行了测量。仿真结果与实测结果吻合较好。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

2–18 GHz dual-polarised tightly coupled dipole array with ±75° scanning range

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2–18 GHz dual-polarised tightly coupled dipole array with ±75° scanning range

The authors proposed an ultrawideband (UWB) dual-polarised tightly coupled dipole array (TCDA). A split X-shaped resistive frequency selective surface (FSS) is utilised, which can get more admirable impedance matching. The proposed antenna can achieve active voltage standing wave ratio (VSWR) below 2.9 when scanning up to ±75° and ±60° in the E and H planes from 2 to 18 GHz, respectively. Furthermore, two rectangular patches served as directors are designed, which can provide stronger forward radiation to reduce the loss of resistive FSS for radiation efficiency. As a result, the average radiation efficiency is above 84% and the lowest radiation efficiency is 70%. Moreover, the overall antenna profile is 15 mm (0.1λ at the largest working wavelength). To validate the design method, a 16 × 16 array prototype is fabricated and measured. Good agreement is achieved between the simulations and measurements.

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来源期刊

Iet Microwaves Antennas & Propagation 工程技术-电信学

CiteScore

4.30

自引率

5.90%

发文量

109

审稿时长

7 months

期刊介绍： Topics include, but are not limited to: Microwave circuits including RF, microwave and millimetre-wave amplifiers, oscillators, switches, mixers and other components implemented in monolithic, hybrid, multi-chip module and other technologies. Papers on passive components may describe transmission-line and waveguide components, including filters, multiplexers, resonators, ferrite and garnet devices. For applications, papers can describe microwave sub-systems for use in communications, radar, aerospace, instrumentation, industrial and medical applications. Microwave linear and non-linear measurement techniques. Antenna topics including designed and prototyped antennas for operation at all frequencies; multiband antennas, antenna measurement techniques and systems, antenna analysis and design, aperture antenna arrays, adaptive antennas, printed and wire antennas, microstrip, reconfigurable, conformal and integrated antennas. Computational electromagnetics and synthesis of antenna structures including phased arrays and antenna design algorithms. Radiowave propagation at all frequencies and environments. Current Special Issue. Call for papers: Metrology for 5G Technologies - https://digital-library.theiet.org/files/IET_MAP_CFP_M5GT_SI2.pdf