Gate array beamformer for high frequency annular arrays

Jeremy A. Brown; Geoffrey R. Lockwood

Gate array beamformer for high frequency annular arrays

Jeremy A. Brown, Geoffrey R. Lockwood

Medicine

Medicine

Producción científica: Contribución a una revista › Artículo de la conferencia › revisión exhaustiva

3 Citas (Scopus)

Resumen

A beamformer for a high frequency (50 MHz) annular array is described. The beamformer is based on a variable frequency sampling technique and is implemented using two field programmable gate arrays. The gate arrays generate the variable frequency signals used to control the analog-to-digital conversion on each channel and also sum the digitized signals. A delay accuracy of greater than λ/22 was achieved by fine-tuning each delay path.

Idioma original	English
Páginas (desde-hasta)	1701-1704
Número de páginas	4
Publicación	Proceedings - IEEE Ultrasonics Symposium
Volumen	2
Estado	Published - 2002
Evento	2002 IEEE Ultrasonics Symposium - Munich, Germany Duración: oct. 8 2002 → oct. 11 2002

ASJC Scopus Subject Areas

Acoustics and Ultrasonics

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title = "Gate array beamformer for high frequency annular arrays",

abstract = "A beamformer for a high frequency (50 MHz) annular array is described. The beamformer is based on a variable frequency sampling technique and is implemented using two field programmable gate arrays. The gate arrays generate the variable frequency signals used to control the analog-to-digital conversion on each channel and also sum the digitized signals. A delay accuracy of greater than λ/22 was achieved by fine-tuning each delay path.",

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AU - Brown, Jeremy A.

AU - Lockwood, Geoffrey R.

PY - 2002

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N2 - A beamformer for a high frequency (50 MHz) annular array is described. The beamformer is based on a variable frequency sampling technique and is implemented using two field programmable gate arrays. The gate arrays generate the variable frequency signals used to control the analog-to-digital conversion on each channel and also sum the digitized signals. A delay accuracy of greater than λ/22 was achieved by fine-tuning each delay path.

AB - A beamformer for a high frequency (50 MHz) annular array is described. The beamformer is based on a variable frequency sampling technique and is implemented using two field programmable gate arrays. The gate arrays generate the variable frequency signals used to control the analog-to-digital conversion on each channel and also sum the digitized signals. A delay accuracy of greater than λ/22 was achieved by fine-tuning each delay path.

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M3 - Conference article

AN - SCOPUS:0036992794

SN - 1051-0117

VL - 2

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JO - Proceedings - IEEE Ultrasonics Symposium

JF - Proceedings - IEEE Ultrasonics Symposium

T2 - 2002 IEEE Ultrasonics Symposium

Y2 - 8 October 2002 through 11 October 2002

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Gate array beamformer for high frequency annular arrays

Resumen

ASJC Scopus Subject Areas

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Huella

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