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Sideband and Sound Field Spatial Considerations in the Measurement of Gear Noise
Technical Paper
2005-01-2517
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Measurement of gear noise requires accurate measurement of gear mesh harmonic sound levels. The sound signal may include sidebands, such that the frequency bandwidth and computation method of respective “order tracking” analysis will have a profound effect on measured sound levels. A further consideration is the spatial distribution of the sound field inside typical passenger cars and light duty trucks, in which sound levels can change dramatically within small distances. This paper provides a discussion of the data processing and measurement location effects at hand. It explains their influence and provides guidelines for their selection.
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Citation
Grimmer, M., "Sideband and Sound Field Spatial Considerations in the Measurement of Gear Noise," SAE Technical Paper 2005-01-2517, 2005, https://doi.org/10.4271/2005-01-2517.Also In
References
- Kryter Karl D. The Effects of Noise on Man 1970 Academic Press 5
- Windows to FFT analysis (Part I) Bruel and Kjaer Technical Review 3 1987
- Windows to FFT analysis (Part II) Bruel and Kjaer Technical Review 4 1987