نتایج جستجو برای: soft time window
تعداد نتایج: 2036350 فیلتر نتایج به سال:
Journal:
:Physica A: Statistical Mechanics and its Applications
2011
Journal:
:Journal of the Spectroscopical Society of Japan
1989
Journal:
:The Journal of Thoracic and Cardiovascular Surgery
2020
Journal:
:Journal of Modern Transportation
2018
Journal:
:Ultrasound in medicine & biology
2011
Ernest L Madsen
Meagan E Deaner
James Mehi
Quantitative ultrasound (QUS) has been used to characterize soft tissues at ordinary abdominal ultrasound frequencies (2 to 15 MHz) and is beginning application at high frequencies (20 to 70 MHz). For example, backscatter and attenuation coefficients can be estimated in vivo using a reference phantom. At high frequencies, it is crucial that reverberations do not compromise the measurements. Suc...
Journal:
:International Conference on Aerospace Sciences and Aviation Technology
2011
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