# Difference between revisions of "Dictionary:Acoustic-impedance log"

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− | A log of the variation of [[Dictionary:acoustic_impedance|''acoustic impedance'']] (q.v.) with depth or time, often calculated by dividing density-log values by sonic-log values, or by inverting reflection amplitudes assuming that they are proportional to normal reflection coefficients. | + | </translate> |

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+ | A log of the variation of [[Special:MyLanguage/Dictionary:acoustic_impedance|''acoustic impedance'']] (q.v.) with depth or time, often calculated by dividing density-log values by sonic-log values, or by inverting reflection amplitudes assuming that they are proportional to normal reflection coefficients. | ||

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## Revision as of 10:55, 18 April 2018

A log of the variation of *acoustic impedance* (q.v.) with depth or time, often calculated by dividing density-log values by sonic-log values, or by inverting reflection amplitudes assuming that they are proportional to normal reflection coefficients.