Cross trace coherent noise filtering for seismograms

Details Cross trace coherent noise filtering for seismograms Cross trace coherent noise filtering for seismograms

1980-12-31

1983-08-02

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 42, 179 1P, 73602, 364421, G01V 136

Patent

active

043970060

ABSTRACT:
In seismic exploration windows from a pair of contiguous traces are used in a process which determines the coherent noise on a basis trace and removes this coherent noise from a prediction trace. The operator of a digital filter is determined by autocorrelating the basis trace, cross-correlating the window of the basis trace, with the window of the prediction trace, and selecting the filter operator which produces the least error between the cross-correlation function and the product of the autocorrelation function and the operator.

REFERENCES:
patent: 3629800 (1972-12-01), Scheider
patent: 3705382 (1972-12-01), Quay
patent: 4063549 (1977-12-01), Beretsky et al.
patent: 4095225 (1978-06-01), Erikmats
patent: 4204279 (1980-05-01), Parroch et al.
patent: 4223399 (1980-09-01), Hachett
patent: 4283601 (1981-08-01), Nakagima et al.
patent: 4323876 (1982-04-01), Parroch et al.

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