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Two-pattern linear array antenna: synthesis and analysis of tolerance

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4 Author(s)
A. Trastoy ; Dept. de Fisica Aplicada, Univ. de Santiago de Compostela, Spain ; Y. Rahmat-Samii ; F. Ares ; E. Moreno

A 19-element linear array was synthesised that can be switched between narrow-beam and broad-beam patterns with stringent sidelobe level and roll-off requirements using only eight-bit phase shifters. The sensitivity of its performance to errors in element position, excitation phase or amplitude was analysed. Results obtained using simulated annealing and a genetic algorithm for optimisation were very similar, and consumed very similar amounts of computer time.

Published in:

IEE Proceedings - Microwaves, Antennas and Propagation  (Volume:151 ,  Issue: 2 )