Higher-Resolution Determination of Zero-Offset Common-Reflection-Surface Stack Parameters | Zendy

Endrias G. Asgedom | Zendy; Leiv J. Gelius | Zendy; Martin Tygel | Zendy

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Higher-Resolution Determination of Zero-Offset Common-Reflection-Surface Stack Parameters

Author(s) -

Endrias G. Asgedom,

Leiv J. Gelius,

Martin Tygel

Publication year - 2011

Publication title -

international journal of geophysics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.253

H-Index - 19

eISSN - 1687-8868

pISSN - 1687-885X

DOI - 10.1155/2011/819831

Subject(s) - offset (computer science) , geology , ground penetrating radar , gaussian , reflection (computer programming) , algorithm , radar , covariance matrix , stack (abstract data type) , synthetic data , covariance , computer science , remote sensing , acoustics , mathematics , statistics , physics , telecommunications , quantum mechanics , programming language

We developed a higher resolution method for the estimation of the three travel-time parameters that are used in the 2D zero-offset, Common-Reflection-Surface stack method. The underlying principle in this method is to replace the coherency measure performed using semblance with that of MUSIC (multiple signal classification) pseudospectrum that utilizes the eigenstructure of the data covariance matrix. The performance of the two parameter estimation techniques (i.e., semblance and MUSIC) was investigated using both synthetic seismic diffraction and reflection data corrupted with white Gaussian noise, as well as a multioffset ground penetrating radar (GPR) field data set. The estimated parameters employing MUSIC were shown to be superior of those from semblance

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