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期刊论文
TIME-SCALE REMOVAL OF 'WALL THUMP' IN DOPPLER ULTRASOUND SIGNALS
IEEE transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 51, no.9, pp. 1187-1192, 2004，-0001，（）：
A novel approach for blood and wall signal separation in Doppler ultrasound is proposed that removes 'wall thump' clutter in the wavelet time-scale domain. The blood and wall Doppler signals from a normal femoral artery were simulated and used in the experiments with different blood-to-clutter ratios. The method was compared with the conventional high-pass filtering method and signal separation in the spectrogram time-frequency domain. The experimental results show that the new method delivers improved performance for 'wall thump' removal with minimal loss of low-flow signal.
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