Abstract
There is growing interest in acoustic nonlinearity since Muir and Carstensenl and Carstensen et al.2 questioned the assumption of linear propagation of ultrasound in biological media. Nonlinearity of the pressure-density relationship of a medium is measured quantitatively in terms of the B/A parameter, which is the ratio of the coefficients of quadratic and linear terms of a Taylor series used to express an equation of the state of a medium in terms of pressure and density. Because the parameter B/A can be used to characterize tissues, interest in measuring B/A has increased significantly.3,4,5,6,7
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Kim, D., Nicholson, J.A., Greenleaf, J.F., Sehgal, C.M. (1991). Least Squares Estimation and Imaging Using Phase and Frequency Measurements of the Nonlinear Parameter B/A. In: Lee, H., Wade, G. (eds) Acoustical Imaging. Acoustical Imaging, vol 18. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-3692-5_33
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DOI: https://doi.org/10.1007/978-1-4615-3692-5_33
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