Publisher： Edp Sciences
E-ISSN： 2261-236x|209|issue|00026-00026
ISSN： 2261-236x
Source： MATEC Web of conference, Vol.209, Iss.issue, 2018-10, pp. : 00026-00026
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Abstract
The results of the Fourier spectroscopy of the acoustic noise of an internal combustion engine are presented. The sound was recorded using a voice recorders placed near the four-cylinder petrol engine. The engine speed was set to the fixed values from 900 to 3000 rpm. The distinctive characteristics of the periodograms where associated with the certain physical processes in the engine.
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