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  Fuzzy time quantization and local normalization for the direct spectral estimation from laser Doppler velocimetry data

Nobach, H. (2015). Fuzzy time quantization and local normalization for the direct spectral estimation from laser Doppler velocimetry data. Experiments in Fluids, 56(9): 182. doi:10.1007/s00348-015-2050-3.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0029-7B9C-2 Version Permalink: https://hdl.handle.net/21.11116/0000-000C-FFD4-6
Genre: Journal Article

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http://link.springer.com/article/10.1007/s00348-015-2050-3 (Publisher version)
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 Creators:
Nobach, H.1, Author           
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1Laboratory for Fluid Dynamics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, DE, ou_2063287              

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 Abstract: An adaptation of the fuzzy slotting method and the local normalization to the direct type of power spectral estimation are given. Using experimentally obtained data, it is shown that the two optional processing methods have equivalent influence on the estimated turbulence spectra, for the two processing types, the direct spectral estimation and the slotting technique. The question about the estimation quality of the fuzzy slotting and the local normalization is not addressed here. However, it is shown that the impact of fuzzy time quantization on the spectral density is that of a low-pass filter of a sinc2 shape.

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Language(s): eng - English
 Dates: 2015-09-122015-09
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/s00348-015-2050-3
BibTex Citekey: Nobach2015c
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Title: Experiments in Fluids
Source Genre: Journal
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Pages: 9 Volume / Issue: 56 (9) Sequence Number: 182 Start / End Page: - Identifier: -