1887

Abstract

We compare cross-correlation based time delay estimation to two alternative algorithms: a time-domain least squares Taylor method and a time-domain based bi-coherence analysis. For short-window seismic analysis and uncorrelated noise the Taylor method performs best. This is demonstrated on synthetics and with a North Sea 4D data example for which we find a significant reduction in NRMS (13%) with the improved algorithm, when compared to cross-correlation time-alignment.

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/content/papers/10.3997/2214-4609.20147879
2008-06-09
2020-07-11
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20147879
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