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Ultra-Low-Sidelobe-Level Concentric-Ring-Array Pattern Synthesis Using Bessel Neural Networks [Antenna Designer's Notebook]

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1 Author(s)
EI-Kamchouchi, H. ; Commun. Dept., Alexandria Univ., Alexandria, Egypt

The present paper proposes a new approach to constrained optimal pattern synthesis for a circular ring array with ultra-Iow-sidelobe levels. The approach uses an artificial neural network (ANN) with hidden Bessel activation functions, trained using the Levenberg-Marquardt (LM) algorithm. The proposed approach is capable of producing minimal sidelobe levels for an arbitrary pattern shape using only a few iterations, and without high memory requirements as compared to existing alternatives.

Published in:

Antennas and Propagation Magazine, IEEE  (Volume:52 ,  Issue: 4 )