Wideband impedance network design of 3-D printed Vivaldi antenna based on surface wave suppression

IF 3 3区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Aeu-International Journal of Electronics and Communications Pub Date : 2025-02-01 DOI:10.1016/j.aeue.2025.155681

Shaofei Wang , Haiwen Liu , Hongliang Tian , Ruolin Wang

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引用次数: 0

Abstract

Aiming at fast radio burst (FRB) observation and receiving other radio frequency signals in process of deep space exploration, an additive manufactured C- and X-band 3-dimensional (3-D) printed Vivaldi antenna element is designed for phased array feed in radio telescope applications in astronomy observatories. To realize the impedance match between coaxial feeding probe and the parallel waveguide transmission line connected with the exponential shaped radiation flares, a 3-D printed Marchand Balun for the Vivaldi antenna element is designed and optimized to help the Vivaldi antenna cover 4–12 GHz bandwidth. Benefited from additive manufacturing processing, a cylindrical cavity and an arch sector that are difficult to realize by traditional machining are loaded in the parallel plate waveguide (PPW) transmission line to suppress the surface wave. Therefore, the mismatch in both high and low part of the 4–12 GHz working band is offset and good stability of antenna gain in the required C- and X-band is maintained.

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来源期刊

Aeu-International Journal of Electronics and Communications 工程技术-电信学

CiteScore

6.90

自引率

18.80%

发文量

292

审稿时长

4.9 months

期刊介绍： AEÜ is an international scientific journal which publishes both original works and invited tutorials. The journal''s scope covers all aspects of theory and design of circuits, systems and devices for electronics, signal processing, and communication, including: signal and system theory, digital signal processing network theory and circuit design information theory, communication theory and techniques, modulation, source and channel coding switching theory and techniques, communication protocols optical communications microwave theory and techniques, radar, sonar antennas, wave propagation AEÜ publishes full papers and letters with very short turn around time but a high standard review process. Review cycles are typically finished within twelve weeks by application of modern electronic communication facilities.