Difference between revisions of "Dictionary:Logarithmic decrement"

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The natural logarithm of the ratio of the amplitudes of two successive cycles of a harmonic event. Where the amplitude decay is because of absorption, the logarithmic decrement can be related to ''Q'' and to the absorption coefficient.
 
The natural logarithm of the ratio of the amplitudes of two successive cycles of a harmonic event. Where the amplitude decay is because of absorption, the logarithmic decrement can be related to ''Q'' and to the absorption coefficient.
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Latest revision as of 17:58, 13 April 2019

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The natural logarithm of the ratio of the amplitudes of two successive cycles of a harmonic event. Where the amplitude decay is because of absorption, the logarithmic decrement can be related to Q and to the absorption coefficient.