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Dynamic focussing and ultrasonic imaging

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2 Author(s)
Martin, M. ; C.E.N.G., LETI/MCTE, Grenoble Cedex ; Piquard, J.

Ultrasonic imaging in B echography requires high resolution over the entire scanning zone. Phased array transducers in conjunction with analogical shift registers (CCD) allow sector scanning and dynamic focussing. Working within this framework a measurement instrument has been devised to evaluate the influence of the different parameters on the image.

Published in:

Acoustics, Speech, and Signal Processing, IEEE International Conference on ICASSP '82.  (Volume:7 )

Date of Conference:

May 1982

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