A Wideband Corrugated Ridged Horn Antenna with Enhanced Gain and Stable Phase Center for X- and Ku-Band Applications - Publication - MOST Wiedzy

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A Wideband Corrugated Ridged Horn Antenna with Enhanced Gain and Stable Phase Center for X- and Ku-Band Applications

Abstract

In this letter, a structure and design procedure of a novel double-flared conical horn antenna with an improved gain and a stable phase center is presented. The antenna incorporates a hybrid ridged and corrugated structure. A double-ridged section is responsible for ensuring a wideband operation, whereas the corrugated section supports the hybrid mode. The antenna impedance bandwidth (VSWR < 2) is 6 GHz to 20 GHz. Excellent performance is demonstrated for both the X and Ku bands. In particular, the antenna exhibits 12 dBi to 18 dBi gain over both operating bands, a constant 44-degree, 10-dB beamwidth radiation pattern over the Ku band and a close-to-constant 65-degree beamwidth over the X band. The design is validated using both numerically and experimentally. The measurement and simulation indicate that the phase center variation in the X and the Ku bands is less than 2 cm and 1.5cm, respectively.

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Details

Category:
Magazine publication
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
IEEE Antennas and Wireless Propagation Letters pages 1 - 5,
ISSN: 1536-1225
Language:
English
Publication year:
2019
Bibliographic description:
Saeed M., Kozieł S., Leifsson L.: A Wideband Corrugated Ridged Horn Antenna with Enhanced Gain and Stable Phase Center for X- and Ku-Band Applications// IEEE Antennas and Wireless Propagation Letters. -, (2019), s.1-5
DOI:
Digital Object Identifier (open in new tab) 10.1109/lawp.2019.2908290

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