Modeling of an electrohydraulic lithotripter with the KZK equation

MA Averkiou, RO Cleveland - The Journal of the Acoustical Society of …, 1999 - pubs.aip.org
The acoustic pressure field of an electrohydraulic extracorporeal shock wave lithotripter is
modeled with a nonlinear parabolic wave equation (the KZK equation). The model accounts …

Pulse compression for finite amplitude distortion based harmonic imaging using coded waveforms

PC Li - Ultrasonic imaging, 1999 - journals.sagepub.com
Finite amplitude distortion based harmonic imaging has been used to reduce the image
quality degradation produced by tissue inhomogeneities. Such harmonic signals are …

Acoustic saturation and output regulation

FA Duck - Ultrasound in medicine & biology, 1999 - Elsevier
Acoustic saturation pressures are predicted for ultrasonic beams of a range of frequencies
and focal depths. Using reasonable approximations, saturation values for mechanical index …

Estimating in situ exposure in the presence of acoustic nonlinearity.

FA Duck - Journal of ultrasound in medicine, 1999 - Wiley Online Library
Evidence is presented for excess attenuation of pulsed ultrasound due to finite amplitude
effects in water. Measurements on a modern scanner are used to demonstrate that linear …

Source prebiasing for improved second harmonic bubble-response imaging

T Christopher - IEEE transactions on ultrasonics, ferroelectrics …, 1999 - ieeexplore.ieee.org
The use of the second harmonic bandwidth in order to improve the contrast enhancement of
vascular space provided by microbubble echo contrast is well established. A significant …

Nonlinear and linear propagation of diagnostic ultrasound pulses

L Filipczyński, T Kujawska, R Tymkiewicz… - Ultrasound in medicine & …, 1999 - Elsevier
The effect of nonlinear propagation in fluid followed by soft tissue was studied both
theoretically and experimentally for a most crucial case in obstetrical ultrasonography. For …

Effects of transmit focusing on finite amplitude distortion based second harmonic generation

PC Li, CC Shen - Ultrasonic imaging, 1999 - journals.sagepub.com
Generation of the second harmonic signal was studied for finite amplitude distortion based
harmonic imaging. Acoustic field amplitudes along the range axis of a fixed focus transducer …

Time-domain nonlinear distortion of pulsed finite-amplitude sound beam: calculation and experiments

JP Remenieras, OB Matar, V Labat… - … Symposium (Cat. No …, 1999 - ieeexplore.ieee.org
This work aims to validate a time domain numerical model for the short pulse finite amplitude
sound beam propagation, radiated by a plane piston, in biological tissue. As it has been …