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Optimal transversal filter bank for 3D real-time acoustical imaging

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1 Author(s)
Ebbini, E.S. ; Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA

An optimal transversal filter bank for parallel processing of echo data in 3-D real-time acoustical imaging is proposed. It is based on discretized linear time-domain formation of the imaging equation for systems that use either coded-aperture transducers or transmitter arrays with coded-excitation. The two approaches are mathematically equivalent and result in an imaging system architecture which is based on parallel processing of a sampled vector of echo data with a bank of transversal filters. The filter coefficients are obtained through a pseudoinverse operator which is designed to decouple echoes received from different image lines

Published in:

Signals, Systems and Computers, 1992. 1992 Conference Record of The Twenty-Sixth Asilomar Conference on

Date of Conference:

26-28 Oct 1992