Two dimensional processing of pulsed Doppler signals

Details Two dimensional processing of pulsed Doppler signals Two dimensional processing of pulsed Doppler signals

1988-07-26

1990-06-05

Jaworski, Francis

Surgery

Truss

Pad

7386125, A61B 800

Patent

active

049305131

ABSTRACT:
A processor for pulsed Doppler velocity measurement utilizes a two dimensional discrete Fourier transform to map wideband signals into a frequency space where constant velocity Doppler spectral components are represented as radial lines. A radial projection then extracts target velocity information.

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patent: 4770184 (1988-09-01), Greene, Jr. et al.
patent: 4780831 (1988-10-01), Iwata et al.
Maulik, D. et al. "Doppler Evaluation of Fetal Hemodynamics", UTS in Medicine & Biology vol. 8, No. 6, pp. 708-710 1982.
Cannon, S. R. et al., "Digital Fourier Techniques in the Diagnosis of & Quantification of Aortic Stenosis w/Pulsed Doppler Echocardiography", Jrnl of Clinical Ultrasound vol. 10 No. 3 Mar. 1982.
Greene, F. M. et al., "Computer-Based Pattern Recognition of Carotid Arterial Disease Using Pulsed Doppler Ultrasound", UTS in Medicine & Biology, vol. 8 No. 2, pp. 161-176, 1982.

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