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[학술저널]

  • 학술저널

Nguyen Dinh Tinh(Le Quy Don Technical University) Trinh Dang Khanh(Le Quy Don Technical University)

DOI : 10.5573/IEIESPC.2021.10.1.017

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This paper proposes a new solution to determine the optimal amplitude distribution reducing side-lobe level (SLL) to less than the required value and generate the narrowest half-power beamwidth (HPBW) in sparse cylindrical sonar arrays. The proposed solution was implemented based on the explicit expression of a beam pattern, separation of the amplitude distribution into the row and the column, and an analysis of the beam patterns from simulations. The merits of the proposed solution were evaluated by simulation in two cases with isotropic elements and directional elements.

목차

Abstract
1. Introduction
2. Geometry Model of SCSA
3. Determination of Optimal Amplitude Distribution Controlling SLL and HPBW
4. Simulation Results
5. Conclusion
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