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- W3163937094 abstract "In this paper,different sound signals within excavator are given.There including diesel engine exhaustion noise,muffler,radiation noise of engine' s shell,and interior noise of cabin etc..The spectrum characteristics of the sound signals in the non-loading and loaded condition are analyzed and measured.It is concluded that the exhaustion noise covers high,middle and low frequency bands;all kinds of noise signals have similar spectrum characteristics but different amplitudes;the vibration of the engine is much larger at idle speed than the others due to the resonance;the noise intensity increases when the engine speed-up;the frequencies of the noise sources and the exhaustion noise of the muffler with larger amplitudes in low frequency band are multiples of rotation speed of the diesel engine." @default.
- W3163937094 created "2021-05-24" @default.
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- W3163937094 date "2011-01-01" @default.
- W3163937094 modified "2023-09-25" @default.
- W3163937094 title "Noise Character Study of Excavator Based on Spectrum Analysis" @default.
- W3163937094 hasPublicationYear "2011" @default.
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