Title :
Doppler bandwidth and mean frequency from time-frequency estimators
Author :
Cardoso, José C. ; Ruano, M. Graça ; Fish, Peter
Author_Institution :
Sch. of Electron. Eng. & Comput. Syst., Univ. of Wales, Bangor, UK
Abstract :
The performances of various time-frequency distribution (TFD) methods in the estimation of mean frequency and spectral bandwidth of the nonstationary Doppler blood flow signal are compared using simulated signals with known characteristics and different signal to noise ratios
Keywords :
Doppler measurement; biomedical ultrasonics; blood flow measurement; medical signal processing; time-frequency analysis; Doppler blood flow signal; hemodynamic measurements; mean frequency; signal to noise ratio; simulated signals; spectral bandwidth; time-frequency distribution methods performance; Arteries; Bandwidth; Blood flow; Frequency estimation; Lesions; Signal analysis; Signal resolution; Signal to noise ratio; Time frequency analysis; Ultrasonic imaging;
Conference_Titel :
Engineering in Medicine and Biology Society, 1995., IEEE 17th Annual Conference
Conference_Location :
Montreal, Que.
Print_ISBN :
0-7803-2475-7
DOI :
10.1109/IEMBS.1995.579412
