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논문 기본 정보

자료유형
학술저널
저자정보
Changhyeon Im (Hongik University) Sangwoon Youn (Hongik University) Tae Heung Lim (Kumoh National Institute of Technology) Hosung Choo (Hongik University)
저널정보
한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of Electromagnetic Engineering And Science Vol.24 No.3
발행연도
2024.5
수록면
234 - 242 (9page)

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초록· 키워드

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This paper investigates various array beam shapes for high-power electronic warfare applications using an actual broadband array antenna. For use in a limited mounting space, a compact printed log periodic dipole array (LPDA) operating over a wide bandwidth is designed. The LPDA is then extended to an 8 × 1 array, with active element patterns (AEPs) obtained through simulation and measurement. Beam synthesis is performed by the superposition of several array patterns, which involves adjusting the weight of each AEP. To derive a synthesized array beam shape that is similar to the guided mask, the Taylor window weighting method is applied to each array pattern. Finally, beam synthesis for the flat-top beam, cosecant-squared beam, and iso-flux beam is performed using Taylor window-weighted AEPs, and the results are compared with those of beam shapes using ideal isotropic patterns. The results demonstrate that various beam shapes can be achieved for high-power electronic warfare applications using the AEPs of an actual array antenna.

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Abstract
Ⅰ. INTRODUCTION
Ⅱ. DESIGN AND MEASUREMENT OF THE BROADBAND LPDA AND ITS ARRAY
Ⅲ. BEAM SYNTHESIS USING THE BROADBAND LPDA
Ⅳ. CONCLUSION
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