Gravitational wave signal identification and transformations in time-frequency domain

Authors:
Rajkumar Thirumalainambi;David E. Thompson
Affiliations:
PSGS @ NASA Ames Research Center, Intelligent Systems Division, Moffett Field, CA;NASA Ames Research Center, Intelligent Systems Division, Moffett Field, CA
Venue:
SSIP'07 Proceedings of the 7th WSEAS International Conference on Signal, Speech and Image Processing
Year:
2007

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Abstract

A gravitational wave signal carries information about an astrophysical source, a time varying quantity that has to be analyzed in the time frequency domain. There are varieties of transforms that can be applied to understand the complex evolution time-varying frequencies and chirps. This paper discusses various techniques of transforms that can be applied to various categories of this problem to identify and analyze signal, and to assess their efficacy.