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A carotid imaging system utilising continuous-wave Doppler-shift ultrasound and real-time spectrum analysis (1978)

Coghlan, B. A. ; Taylor, M. G.

Springer

Medical & biological engineering & computing 16 (1978), S. 739-744

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ISSN: 1741-0444

Keywords: Carotid ; Doppler-shift ultrasound ; Imaging system ; Real-time analysis

Source: Springer Online Journal Archives 1860-2000

Topics: Biology , Chemistry and Pharmacology , Medicine

Notes: Abstract The ultrasound carotid vessel imager uses a continuous-wave Doppler flow detector on a hand-guided position sensing arm. The directionally separated flow signals are passed through a two channel audiofrequency real-time spectrum analyser to a microprocessor-controlled image memory and display. Transducer position defines memory address; image data (16 intensity levels) is set by the Doppler signal power detected within a preset broad frequency band. Early results are illustrated

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02442455

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