Design of a Compact Log Periodic Dipole Array Antenna for Broadband and High-Power Beam Synthesis Using Superpositionopen accessDesign of a Compact Log Periodic Dipole Array Antenna for Broadband and High-Power Beam Synthesis Using Superposition
- Other Titles
- Design of a Compact Log Periodic Dipole Array Antenna for Broadband and High-Power Beam Synthesis Using Superposition
- Authors
- 임창현; 윤상운; 임태흥; 추호성
- Issue Date
- May-2024
- Publisher
- 한국전자파학회
- Keywords
- Active Element Patterns (AEPs); Beam Synthesis; Broadband; Log Periodic Dipole Array (LPDA).
- Citation
- Journal of Electromagnetic Engineering and Science, v.24, no.3, pp 234 - 242
- Pages
- 9
- Journal Title
- Journal of Electromagnetic Engineering and Science
- Volume
- 24
- Number
- 3
- Start Page
- 234
- End Page
- 242
- URI
- https://scholarworks.bwise.kr/hongik/handle/2020.sw.hongik/33338
- DOI
- 10.26866/jees.2024.3.r.224
- ISSN
- 2671-7255
2671-7263
- Abstract
- 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 synthe- sized 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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