Minimum phase bandpass filtering of seismic signals

Details Minimum phase bandpass filtering of seismic signals Minimum phase bandpass filtering of seismic signals

1983-05-11

1986-08-26

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Land-reflection type

367 38, 367 55, 364421, 364724, G01V 128

Patent

active

046086730

ABSTRACT:
A process for better defining first break seismic energy travel times for correlated seismic return signals that consists of constructing a minimum phase bandpass filter having bandwidth narrower than the vibrational seismic return signals and convolving the filter with the return signals to convert the seismic return signals to a causal wave form.

REFERENCES:
patent: 3598982 (1971-08-01), Lawrence
patent: 3599175 (1971-08-01), Hollingsworth et al.
patent: 3622966 (1971-11-01), George et al.
Robinson et al., "Principles of Digital Filtering", Geophysics, vol. 29, #3, 6/64, pp. 395-404.
Smith, "A Review of Methods of Filtering Seismic Data," Geophysics, vol. 23, #1, 1/58, pp. 44-57.

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