1. Doppler ultrasound—physics, instrumentation and clinical applications;Evans,1989
2. An initialization technique for improved MTI performance in phased array radars;Fletcher,1972
3. Mean frequency estimator with applications in ultrasonic Doppler flowmeters;Gerzberg,1977
4. On the use of windows for harmonic analysis with the discrete Fourier transform;Harris,1978
5. An efficient algorithm to remove low frequency Doppler signals in digital Doppler systems;Hoeks;Ultrason. Imaging,1991