NDLI: Detection of solid Earth excitations by laser seismo-acoustic antenna array

Content Provider	IEEE Xplore Digital Library
Author	Kravtsov, V.V. Dubrov, M.N. Remontov, M.S.
Copyright Year	2011
Description	Author affiliation: Kotel'nikov Institute of Radio-Engineering and Electronics, IRE RAS, Fryazino, Moscow Region, Russia (Kravtsov, V.V.; Dubrov, M.N.; Remontov, M.S.)
Abstract	The spatial and temporal distributions of seismo-acoustic wave fields are investigated. Non-stationary parameters (direction to the sources of oscillations, their intensities and localization) have been studied and estimated. The wave field distribution in elastic solid medium is recorded by the array of strain sensitive units. Every strain detector represents the laser interferometer with base-length 1–400 m, which measures the distant difference between two points of the solid medium. In this way spatial and temporal distribution of a strains field is being evaluated. The output signals of every laser sensors supplies the consequent inputs of multi-channel analog-to-digital converter and the obtained data are stored and subjected to the processing in the PC. The procedure of numerical treatment is based on the Fourier spectral analysis, which results to the tracks of non-stationary source motions to be displayed. The examples of described procedure for laser interferometers being apart up to 140 km and obtained data are presented.
Starting Page	117
Ending Page	119
File Size	379338
Page Count	3
File Format	PDF
ISBN	9781457722110
e-ISBN	9781457722127
DOI	10.1109/ICATT.2011.6170723
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-09-20
Publisher Place	Ukraine
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Antenna measurements Laser theory wave fields Antenna theory strain sensors laser acoustics seismic array Arrays interferometer Antenna arrays Strain
Content Type	Text
Resource Type	Article

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