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Coaxial circular array: studies related to sidelobe suppressed beam patterns for underwater transducer application

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1 Author(s)
Chakraborty, B. ; Nat. Inst. of Oceanogr., Goa, India

An analysis of sidelobe-suppressed beam patterns other than the usual shading methods is carried out for uniformly excited elements in a coaxial circular array at different operating wavelengths. Improved beamwidths and suppressed sidelobes are obtained for multiplicative array techniques useful for high-resolution bathymetry; however, in the case of an array with tilted element pattern, the sidelobes are not suppressed up to a satisfactory level

Published in:

Proceedings of the IEEE  (Volume:76 ,  Issue: 10 )