A new delay technique with application to ultrasound phased-array imaging systems

In ultrasound phased-array imaging systems the receiver directivity pattern is steered by controlling the delay of echoes from the array elements. A new processing technique is introduced that provides the required delay first by properly phasing the echo carrier, and successively by delaying the ec...

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Veröffentlicht in:	Ultrasonics 1979-09, Vol.17 (5), p.225-229
Hauptverfasser:	Manes, G.F., Atzeni, C., Susini, C., Somer, J.C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Ultrasonics - instrumentation Ultrasonography
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description	In ultrasound phased-array imaging systems the receiver directivity pattern is steered by controlling the delay of echoes from the array elements. A new processing technique is introduced that provides the required delay first by properly phasing the echo carrier, and successively by delaying the echo envelope. This latter operation is based on a new analogue sampled-data delay-line. Independent control of phase delay offers a simple means of compensating for random phase errors due to non-uniformity of the array elements response.
doi_str_mv	10.1016/0041-624X(79)90053-2
format	Article
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title	A new delay technique with application to ultrasound phased-array imaging systems
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