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Switched-Beam Planar Arrays Suitable for High-Resolution Acoustic Sounders

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Switched-Beam Planar Arrays Suitable for High-Resolution Acoustic Sounders
Stephanou, G.J. Mavrakis, D.H.
scientific_publication_article
Επιστημονική δημοσίευση - Άρθρο Περιοδικού (EL)
Scientific publication - Journal Article (EN)
1986
The study of arrays of loudspeaker elements suitable for high-resolution acoustic sounders is presented. Comparison of the predicted radiation patterns with measurements shows a good agreement in all cases examined. Emphasis is given in the case of a 3 × 3 switched-beam piezoelectric tweeter antenna working at 3 kHz. The elements of this antenna are carefully chosen, to avoid problems resulting from random amplitude variations between the elements, while phase variations are taken into account and corrected when necessary. Copyright © 1986 by The Institute of Electrical and Electronics Engineers, Inc. (EN)
English
Ερευνητικό υλικό ΕΚΠΑ
https://creativecommons.org/licenses/by-nc/4.0/
University of Athens
Pergamos Digital Library
Journal Article



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