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CANCELLING MULTIPLE REFLECTIONS BY FEEDBACK *
Author(s) -
KOEHLER K.,
KREY TH.,
WACHHOLZ H.
Publication year - 1974
Publication title -
geophysical prospecting
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.735
H-Index - 79
eISSN - 1365-2478
pISSN - 0016-8025
DOI - 10.1111/j.1365-2478.1974.tb00109.x
Subject(s) - geophone , horizontal plane , wavefront , geology , layering , process (computing) , plane (geometry) , optics , field (mathematics) , noise (video) , gemology , acoustics , computer science , physics , geodesy , geophysics , mathematics , geometry , engineering geology , seismology , tectonics , volcanism , botany , artificial intelligence , pure mathematics , image (mathematics) , biology , operating system
A bstract For horizontal layering and plane horizontal impulsive wavefronts it is theoretically possible to get rid of multiple reflections by a feedback procedure which can easily be derived using raypath philosophy. To reduce the increase of noise inherent in the method the precise theoretical formulae are altered in such a manner that a practical application becomes possible. For this purpose the autocorrelation will be used. Application of the new process to a CRP section where the shot geophone distances in the field had not been long enough to attenuate multiple reflections effectively gave favourable results.