Supertransients in fluid flow noise

Patricia H. Carter

doi:10.1117/12.217573

1 September 1995 Supertransients in fluid flow noise

Patricia H. Carter

Proceedings Volume 2569, Wavelet Applications in Signal and Image Processing III; (1995) https://doi.org/10.1117/12.217573
Event: SPIE's 1995 International Symposium on Optical Science, Engineering, and Instrumentation, 1995, San Diego, CA, United States

Abstract

Short, high frequency bursts are found in flow noise data from a transient regime in a pipe flow experiment. These bursts are directly detectable in accelerometer measurements, but processing is necessary to detect them in synchronous hydroacoustic measurements. These signals can be detected and recovered using wavelet thresholding. New variations on methods of choosing the threshold and exploiting translations of the wavelet basis are described, then applied to the estimation of these bursts.

Citation Download Citation

Patricia H. Carter "Supertransients in fluid flow noise", Proc. SPIE 2569, Wavelet Applications in Signal and Image Processing III, (1 September 1995); https://doi.org/10.1117/12.217573

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