Method for suppressing side lobes in correlation processes

Details Method for suppressing side lobes in correlation processes Method for suppressing side lobes in correlation processes

1972-11-10

1976-07-06

Moskowitz, Nelson

Communications: electrical

Selective

Having electron beam device

340 155DP, 324 77G, 324 77J, 235156, G01V 128, G01V 136

Patent

active

039684717

ABSTRACT:
This invention relates to an improved method of seismograph exploration by means of time-variant oscillatory signals whereby the side lobes of the correlograms (or of the output waveforms) are randomized to prevent constructive reinforcement during vertical or horizontal stacking. The randomization is effected by using an approximate or inexact method of correlation or convolution or by admixing random (or white) noise into the correlation process.

REFERENCES:
patent: 2688124 (1954-08-01), Doty et al.
patent: 3108249 (1963-10-01), Clement
patent: 3449553 (1969-06-01), Swan
patent: 3536903 (1970-10-01), Goshorn et al.
patent: 3697938 (1972-10-01), Taner
patent: 3731268 (1973-05-01), Landrum

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