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Shear Modulus Estimation by Application of Spatially Modulated Impulse Acoustic Radiation Force Approximation
Shear Modulus Estimation by Application of Spatially Modulated Impulse Acoustic Radiation Force Approximation
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机译:应用空间调制的脉冲声辐射力近似估算剪切模量
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摘要
A method for determining a shear modulus of an elastic material with a known density value is provided. In this method, a spatially modulated acoustic radiation force is used to initially generate a disturbance of known spatial frequency or wavelength. The propagation of this initial displacement as a shear wave is measured using ultrasound tracking methods. A temporal frequency is determined based on the shear wave. The shear modulus of the elastic material at the point of excitation may be calculated using the values of the spatial wavelength, material density, and temporal frequency.
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