Improved extrapolation operator design with the WLSQ method | Zendy

Jan Thorbecke | Zendy; Kees Wapenaar | Zendy

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Improved extrapolation operator design with the WLSQ method

Author(s) -

Jan Thorbecke,

Kees Wapenaar

Publication year - 2003

Publication title -

citeseer x (the pennsylvania state university)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.1190/1.1817479

Subject(s) - extrapolation , operator (biology) , computer science , citation , library science , operations research , engineering , mathematics , chemistry , statistics , biochemistry , repressor , transcription factor , gene

IntroductionRecursive wavefield extrapolation in the frequency domainextrapolates data from depth level zm to levelzm+1 , where #z =|zm+1 -zm|is small compared tothe operator length. Due to the recursive use of theoperators special care must be taken about the amplitudes.An amplitude larger than one can lead to unstableextrapolation results, while an amplitude smaller thanone will attenuate the wavefield during extrapolation.In the kx# domain the extrapolation operator...

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