Continuous wave ultrasonic doppler tomography

Liang, Hai-Dong, Tsui, Chun Sing Louis, Halliwell, Michael and Wells, Peter Neil Temple ORCID: https://orcid.org/0000-0002-0409-2841 2011. Continuous wave ultrasonic doppler tomography. Interface Focus 1 (4) , pp. 665-672. 10.1098/rsfs.2011.0018

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Abstract

In continuous wave ultrasonic Doppler tomography (DT), the ultrasonic beam moves relative to the scanned object to acquire Doppler-shifted frequency spectra which correspond to cross-range projections of the scattering and reflecting structures within the object. The relative motion can be circular or linear. These data are then backprojected to reconstruct the two-dimensional image of the object cross section. By using coherent processing, the spatial resolution of ultrasonic DT is close to an order of magnitude better than that of traditional pulse-echo imaging at the same ultrasound frequency

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Engineering
Subjects:	Q Science > QC Physics R Medicine > R Medicine (General)
Uncontrolled Keywords:	Doppler tomography ; ultrasonic imaging ; medical imaging ; coherent processing ; incoherent processing
ISSN:	2042-8898
Last Modified:	18 Oct 2022 13:50
URI:	https://orca.cardiff.ac.uk/id/eprint/15598

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