Beam pattern (diffraction) correction for ultrasonic attenuation measurement
DE Robinson, LS Wilson, T Bianchi - Ultrasonic Imaging, 1984 - Elsevier
The measurement of tissue attenuation from pulse-echo data has been widely investigated.
This paper examines correction of the measurements for the effect of the transducer beam. …
This paper examines correction of the measurements for the effect of the transducer beam. …
Finite‐amplitude effects on ultrasound beam patterns in attenuating media
CR Reilly, KJ Parker - The Journal of the Acoustical Society of America, 1989 - pubs.aip.org
… addressed through experimental measurements of focused, pure-tone beam patterns under
… First, measurements in water provide a comparison of the beam patterns of the fundamental …
… First, measurements in water provide a comparison of the beam patterns of the fundamental …
A Study on the Correction of Beam Pattern for the Ultrasonic Attenuation Coefficient Estimation
GU Kim, HH Choe, SH Hong - Journal of Biomedical Engineering …, 1987 - koreascience.kr
… In estimating the freguency-dependent attenuation coefficient, we analyzed the range-dependent
ultrasonic beam and proposed … And this method can be applied In vivo measurement. …
ultrasonic beam and proposed … And this method can be applied In vivo measurement. …
Unfocused beam patterns in nonattenuating and attenuating fluids
A Goldstein - Journal of Physics: Conference Series, 2004 - iopscience.iop.org
… This knowledge will aid in the experimental design of highly accurate attenuation
measurements. Accurate single integral equations for the attenuated full beam pattern are derived …
measurements. Accurate single integral equations for the attenuated full beam pattern are derived …
Angular width of a narrow beam for X-ray linear attenuation coefficient measurements
S Midgley - Radiation Physics and Chemistry, 2006 - Elsevier
… errors when measuring the X-ray linear attenuation coefficient, μ… beam irradiation geometry
is considered, and scatter acceptance angles, equal to the sum of the incident and exit beam …
is considered, and scatter acceptance angles, equal to the sum of the incident and exit beam …
Steady state unfocused circular aperture beam patterns in nonattenuating and attenuating fluids
A Goldstein - The Journal of the Acoustical Society of America, 2004 - pubs.aip.org
… Attenuation measurements performed along the beam axis of a circular aperture piston
source are interpreted by assuming the existence of this factor. It is important to determine under …
source are interpreted by assuming the existence of this factor. It is important to determine under …
Absorption and attenuation in soft tissues. I. Calibration and error analyses
KJ Parker, ME Lyons - IEEE Transactions on Ultrasonics …, 1988 - ieeexplore.ieee.org
… An intensity calibration is developed based on radiation force measurement of total
power and main lobe beam patterns, using embedded thermocouples and short bursts …
power and main lobe beam patterns, using embedded thermocouples and short bursts …
Analysis of signal attenuation for quantification of a planar imaging technique
H Koh, J Jeon, D Kim, Y Yoon… - Measurement Science …, 2003 - iopscience.iop.org
… beams were used to correct the laser sheet attenuation. The camera position relative to the
laser sheet beam … symmetric spray pattern may be measured as an asymmetric pattern due to …
laser sheet beam … symmetric spray pattern may be measured as an asymmetric pattern due to …
The measurement of ultrasonic attenuation in solids by the pulse technique and some results in steel
RL Roderick, R Truell - Journal of Applied Physics, 1952 - pubs.aip.org
… of that material before allowance is made for the nature of the radiation pattern of the sound
beam, the effect of the geometry of the sample, and the effect of the boundary conditions of …
beam, the effect of the geometry of the sample, and the effect of the boundary conditions of …
Ultrasonic attenuation and absorption in liver tissue
KJ Parker - Ultrasound in medicine & biology, 1983 - Elsevier
… If a small hydrophone is used for attenuation measurements, multiple points should be used
to reconstruct beam patterns over a plane. This enables a summation to be made of the total …
to reconstruct beam patterns over a plane. This enables a summation to be made of the total …
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