NDLI: Using FFT-based data processing techniques to characterize asphaltic concrete mixtures

Content Provider	IEEE Xplore Digital Library
Author	Starks, S.A. Kreinovich, V. Araiza, R. Nazarian, S. Adidhela, J.
Copyright Year	2004
Description	Author affiliation: NASA Pan-American Center for Earth & Environ. Studies, Texas Univ., El Paso, TX, USA (Starks, S.A.; Kreinovich, V.; Araiza, R.)
Abstract	A natural way to test the quality of a pavement is to send signals with different frequencies through the pavement and compare the results with signals passing through an ideal pavement. For this comparison, we must determine how, for the corresponding mixture, the elasticity, E, depends on the frequency, f, in the range from 0.1 to 10/sup 5/ Hz. It is very expensive to perform measurements in the high frequency area (above 20 Hz). To avoid these measurements, we can use the fact that, for most of these mixtures, when we change the temperature, the new dependence changes simply by scaling. Thus, instead of performing expensive measurements for different frequencies, we can measure the dependence of E on moderate frequencies, f, for different temperatures, and then combine the resulting curves into a single "master" curve. We show how DSP techniques can help to automate this "combination".
Starting Page	241
Ending Page	245
File Size	932947
Page Count	5
File Format	PDF
ISBN	0780384342
DOI	10.1109/DSPWS.2004.1437950
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-08-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Data processing Concrete Frequency measurement Area measurement Building materials Elasticity Performance evaluation Aerospace materials Temperature dependence NASA
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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