M00018402
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ISO FDIS 18431-3 2013 Edition, December 20, 2013 MECHANICAL VIBRATION AND SHOCK - SIGNAL PROCESSING - PART 3: METHODS OF TIME-FREQUENCY ANALYSIS
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Availability date: 07/14/2021
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.