Circularly polarized microstrip Yagi antenna array with tilted beam for improved monopulse characteristics

Deok Kyu Kong; Daewoong Woo; Jaesik Kim; Young J. Yoon

doi:10.1002/mop.32413

Circularly polarized microstrip Yagi antenna array with tilted beam for improved monopulse characteristics

Deok Kyu Kong, Daewoong Woo, Jaesik Kim, Young J. Yoon

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

An antenna array composed of four inclined microstrip Yagi antennas is proposed for a direction finding (DF) system operated in L band. Each element antenna is designed to have a tilted beam toward a central array axis in order to have high gain in the boresight axis of the antenna array. In comparison to a patch antenna array, having the same structure, antenna array gain is improved by a 2.3 dB maximum around the array axis, monopulse slope is increased by 72% and the linearity of the slope is improved significantly. Also, axial ratio is improved by 3 dB max within ±25° from boresight.

Original language	English
Pages (from-to)	2971-2975
Number of pages	5
Journal	Microwave and Optical Technology Letters
Volume	62
Issue number	9
DOIs	https://doi.org/10.1002/mop.32413
Publication status	Published - 2020 Sep 1

Bibliographical note

Publisher Copyright:
© 2020 Wiley Periodicals, Inc.

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

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10.1002/mop.32413

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abstract = "An antenna array composed of four inclined microstrip Yagi antennas is proposed for a direction finding (DF) system operated in L band. Each element antenna is designed to have a tilted beam toward a central array axis in order to have high gain in the boresight axis of the antenna array. In comparison to a patch antenna array, having the same structure, antenna array gain is improved by a 2.3 dB maximum around the array axis, monopulse slope is increased by 72% and the linearity of the slope is improved significantly. Also, axial ratio is improved by 3 dB max within ±25° from boresight.",

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AU - Kim, Jaesik

AU - Yoon, Young J.

PY - 2020/9/1

Y1 - 2020/9/1

N2 - An antenna array composed of four inclined microstrip Yagi antennas is proposed for a direction finding (DF) system operated in L band. Each element antenna is designed to have a tilted beam toward a central array axis in order to have high gain in the boresight axis of the antenna array. In comparison to a patch antenna array, having the same structure, antenna array gain is improved by a 2.3 dB maximum around the array axis, monopulse slope is increased by 72% and the linearity of the slope is improved significantly. Also, axial ratio is improved by 3 dB max within ±25° from boresight.

AB - An antenna array composed of four inclined microstrip Yagi antennas is proposed for a direction finding (DF) system operated in L band. Each element antenna is designed to have a tilted beam toward a central array axis in order to have high gain in the boresight axis of the antenna array. In comparison to a patch antenna array, having the same structure, antenna array gain is improved by a 2.3 dB maximum around the array axis, monopulse slope is increased by 72% and the linearity of the slope is improved significantly. Also, axial ratio is improved by 3 dB max within ±25° from boresight.

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Circularly polarized microstrip Yagi antenna array with tilted beam for improved monopulse characteristics

Abstract

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