GOST R ISO 10302-2-2014 Small air-moving devices for information technology and telecommunication equipment Noise and vibration test codes Part 2 Structure-born vibration measureme.pdf

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3、on technology and telecommunication equipment. Noise and vibration test codes. Part 2. Structure-born vibration measurements 20151201 1 - () , - ( ), - 0,480,90 10302-1 0,180,30 10302-1. , / 10302-1. , - . , - , . - . 2 : 266 . (ISO 266, Acoustics Preferred frequencies) 5348 . (ISO 5348, Mechanical

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5、tion of vibration and shock transducers Part 11: Primary vibration calibration by laser interferometry) 16063-21 . 21. (ISO 16063-11, Methods for the calibration of vibration and shock transducers Part 21: Vibration calibration by comparison to a reference transducer) 61260:1995 . (IEC 61260:1995, E

6、lectroacoustics Octave-band and fractional-octave-band filters) / 98-3, . 3. (GUM) ISO/IEC Guide 98-3, Uncertainty in measurement Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) C 10302-22014 2 3 10302-1, . 3.1 aL (vibratory acceleration level): a - 0a (0a = 1 /2), (), 202lg

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