An intuitive handheld acoustic noise source finder


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Yntema, D.R. and Bree, H.E. de and Heck, J.G.A.M. van (2006) An intuitive handheld acoustic noise source finder. In: proceedings from the FISITA 2006 World Automotive Congress, 22-27 Oct. 2006, Yokohama, Japan.

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Abstract:ABSTRACT - An apparatus has been developed to find acoustic sound sources in the near field of a radiating object operating in a noisy environment. It is based on two orthogonally placed particle velocity probes (two Microflowns[1], [2]). The complete signal processing is done in real time with battery powered analogue circuitry, resulting in a very small and handheld measurement device. One Microflown is used to display the sound level and to listen to the source whilst rejecting the background noise and another Microflown is used to create a stereo
indication in which direction the device must be moved to pinpoint the noise source.
Item Type:Conference or Workshop Item
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
Link to this item:http://purl.utwente.nl/publications/67005
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