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ISO FDIS 18431-3

2013 Edition, December 20, 2013

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MECHANICAL VIBRATION AND SHOCK - SIGNAL PROCESSING - PART 3: METHODS OF TIME-FREQUENCY ANALYSIS



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Superseded By: ISO 18431-3

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NOW A PUBLISHED STD * SEE ISO 18431-3
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Description / Abstract:

This part of ISO 18431 specifies methods for the digital calculation of a time-frequency analysis of a given sampled measurement of a physical or engineering quantity, such as acceleration, force, or displacement, over an interval of time. Several mathematical formulations of time-frequency transformations are given with requirements for recording of parameters and recommendations.

The data can be obtained experimentally from measurements of a mechanical structure or obtained from numerical simulation of a mechanical structure. This category of data is very broad because there is a wide variety of mechanical structures, e.g. microscopic instruments, musical instruments, automobiles, manufacturing machines, buildings, and civil structures. The data can determine the response of machines or of humans to mechanical vibration and shock.
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