GB/T 29716.3-2021 Mechanical vibration and shock—Signal processing—Part 3:Methods of time-frequency analysis

Scope

This part of GB/T 29716 specifies digital calculation methods for time-frequency analysis of given sampled measurements of physical or engineering quantities (such as acceleration, force, or displacement) over a period of time. It provides several mathematical formulas for time-frequency transformations and sets out requirements and recommendations for recording parameters. The data can be obtained through experimental measurements of mechanical structures or from numerical simulations of mechanical structures. Due to the diversity of mechanical structures, such as microscopic instruments, musical instruments, automobiles, processing machines, buildings, and civil structures, the types of data involved are very extensive. Through these data, the response of machines or the human body to mechanical vibrations and impacts can be determined.

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