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Lévy stable distribution and [0,2] power law dependence of acoustic absorption on frequency in various lossy media
Lévy stable distribution [0,2] power law dependence acoustic absorption various lossy media
2010/10/22
Absorption of acoustic wave propagation in a large variety of lossy media is characterized by an empirical power law function of frequency, 0j!jy. It has long been noted that the exponent y ranges fr...
Fractional Laplacian time-space models for linear and nonlinear lossy media exhibiting arbitrary frequency dependency
Fractional Laplacian time-space models linear and nonlinear lossy media arbitrary frequency dependency
2010/10/22
Frequency-dependent attenuation typically obeys an empirical power law with an exponent ranging from 0 to 2. The standard time-domain partial differential equation models can describe merely two extre...
Modified Szaboo wave equation models for lossy media obeying frequency power law
Modified Szaboo wave equation models lossy media frequency power law
2010/10/22
Szabo’s models of acoustic attenuation @Szabo, J. Acoust. Soc. Am. 96~1!, 491–500 ~1994!# comply well with the empirical frequency power law involving noninteger and odd-integer exponent coefficients ...