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Two-dimensional array for three-dime...

Daher, Nadim Michel.

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Two-dimensional array for three-dimensional ultrasound imaging using synthetic aperture techniques.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Two-dimensional array for three-dimensional ultrasound imaging using synthetic aperture techniques./
作者:	Daher, Nadim Michel.
面頁冊數:	40 p.
附註:	Adviser: Jesse T. Yen.
Contained By:	Masters Abstracts International44-06.
標題:	Engineering, Biomedical. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1435119
ISBN:	9780542719035

Two-dimensional array for three-dimensional ultrasound imaging using synthetic aperture techniques.
Daher, Nadim Michel.

Two-dimensional array for three-dimensional ultrasound imaging using synthetic aperture techniques. - 40 p.

Adviser: Jesse T. Yen.

Thesis (M.S.)--University of Southern California, 2005.

A 2-D array of 256 x 256 = 65,536 elements, with total area 4 x 4 = 16 cm2, serves as a flexible platform for developing acquisition schemes for 3-D rectilinear ultrasound imaging at 10 MHz using synthetic aperture techniques. A row-column addressing scheme is used to access different elements for different transmit events. This addressing scheme is achieved through a simple interconnect, consisting of one top, one bottom single layer flex circuits. We present three designs that prioritize different design objectives: volume acquisition time, resolution, and sensitivity, while maintaining acceptable figures for the other design objectives. For example, one design overlooks time acquisition requirements, assumes good noise conditions, and optimizes for resolution, achieving -6 dB and -20 dB beamwidths of less than 0.2 and 0.5 millimeters, respectively, for an F/2 aperture. Another design can acquire an entire volume in 256 transmit events, with -6 dB and -20 dB beamwidths in the order of 0.4 and 0.8 millimeters, respectively.

ISBN: 9780542719035Subjects--Topical Terms:

1017684
Engineering, Biomedical.

Two-dimensional array for three-dimensional ultrasound imaging using synthetic aperture techniques.
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