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Structural analysis of vibroacoustical processes (1973)

Myasnikova, Y. N. ; Myasnikov, L. L. ; Gromov, A. P. ; [et al.]

In: CASI

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Publication Date: 2006-03-28

Description: The method of automatic identification of acoustical signals, by means of the segmentation was used to investigate noises and vibrations in machines and mechanisms, for cybernetic diagnostics. The structural analysis consists of presentation of a noise or vibroacoustical signal as a sequence of segments, determined by the time quantization, in which each segment is characterized by specific spectral characteristics. The structural spectrum is plotted as a histogram of the segments, also as a relation of the probability density of appearance of a segment to the segment type. It is assumed that the conditions of ergodic processes are maintained.

Keywords: STRUCTURAL MECHANICS

Type: Cybernetic Diagnostics of Mech. Systems with Vibro-acoustic Phenomena (NASA-TT-F-14899); p 179-180

Format: text

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