On the generalizations of the Doppler factor, local frequency, wave invariant and group velocity
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Publication:1099738
DOI10.1016/0165-2125(88)90018-2zbMath0638.76096OpenAlexW2066973162MaRDI QIDQ1099738
Publication date: 1988
Published in: Wave Motion (Search for Journal in Brave)
Full work available at URL: https://doi.org/10.1016/0165-2125(88)90018-2
variational principleadiabatic invariantacoustics of nonuniform flowsBlokhintsev wave invariantDoppler factorenergy partition factorslocal Doppler-shifted frequencyray approximation
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