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Acoustic Signal Analysis for Noise Source Identification in Mechanisms

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3 Author(s)
Peterson, R.H. ; IBM General Systems Division Laboratory, Rochester, Minnesota 55901, USA ; Ackerman, A.D. ; Zelenski, R.E.

Proper interpretation of the time and frequency characteristics of machine noise provides information useful in identifying and quantifying noise sources in complex mechanisms. The use of commercial acoustic instrumentation led to the development of unique analog instrumentation for noise-time analysis and ultimately to a real-time analog-digital signal analysis capability. The hybrid system described in this paper provides the time and frequency resolution necessary for noise source identification and evaluation.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:16 ,  Issue: 3 )