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Approximate computation of the acoustic impedance from seismic data

โœ Scribed by Berteussen, K. A.; Ursin, B.


Book ID
126107508
Publisher
Society of Exploration Geophysicists
Year
1983
Tongue
English
Weight
473 KB
Volume
48
Category
Article
ISSN
0016-8033

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Approximation formulae for the acoustic
โœ F. Silva; Ph. Guillemain; J. Kergomard; B. Mallaroni; A.N. Norris ๐Ÿ“‚ Article ๐Ÿ“… 2009 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 467 KB

Useful approximation formulae for radiation impedance are given for the reflection coefficients of both infinitely flanged and unflanged rigid-walled cylindrical ducts. The expressions guarantee that simple but necessary physical and mathematical principles are met, like Hermitian symmetry for the r