Method of digital filtering

Details Method of digital filtering Method of digital filtering

1990-07-30

1991-04-23

Lobo, Ian J.

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 39, 367 43, 364421, 364825, G01V 128, G01V 136

Patent

active

050105264

ABSTRACT:
An improved method for filtering noise bands from seismic data is described. The data is analyzed to determine the frequency component of the undesired noise, and a precise autocorrelation function is generated and used to design a filter to remove the undesired frequency component from the data. The filter can be band pass, band reject, notch, low pass, or high pass, and multiple bands of noise can be removed from the seismic data in a single filtering operation.

REFERENCES:
patent: 4104611 (1978-08-01), Kalden
patent: 4853903 (1989-08-01), Linville, Jr. et al.

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