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Class Information
Number: 367/42
Name: Communications, electrical: acoustic wave systems and devices > Seismic prospecting > Land-reflection type > Signal analysis and/or correction > Standard correlation
Description: Subject matter wherein the information or intelligence is identified by comparing the signal representative of the detected wave with another signal of known shape.










Patents under this class:

Patent Number Title Of Patent Date Issued
7660198 Passive seismic event detection Feb. 9, 2010
7508733 High-frequency processing of seismic vibrator data Mar. 24, 2009
7260021 Method of harmonic noise attenuation in correlated sweep data Aug. 21, 2007
6934219 Methods and systems for acquiring seismic data Aug. 23, 2005
6891776 Vibrator sweep shaping method May. 10, 2005
6868037 Use of drill bit energy for tomographic modeling of near surface layers Mar. 15, 2005
6791900 Method of calculating a throw volume for quantitative fault analysis Sep. 14, 2004
6631783 Mapping reservoir characteristics using earth's nonlinearity as a seismic attribute Oct. 14, 2003
5426618 Method of high resolution and high SNR data acquisition for probing using pulse-compression Jun. 20, 1995
5347494 Shaped-sweep technology Sep. 13, 1994
5241513 Correlation system for nonlinear vibratory signals Aug. 31, 1993
5111399 Seismic apparatus and method including use of transputers for real time processing of data May. 5, 1992
4885711 Data processing Dec. 5, 1989
4799201 Methods and apparatus for reducing correlation sidelobe interference in seismic profiling systems Jan. 17, 1989
4750156 Noise suppression during seismic exploration Jun. 7, 1988
4630242 Adaptive and non-adaptive method for estimating the earth's reflection sequence Dec. 16, 1986
4564927 Method and apparatus for testing seismic vibrators Jan. 14, 1986
4397006 Cross trace coherent noise filtering for seismograms Aug. 2, 1983
4246652 Seismic source signatured evaluation apparatus Jan. 20, 1981
4208732 Apparatus and method for enhancement of the signal-to-noise ratio in seismic data Jun. 17, 1980
4206509 Method of enhancing seismic reflection signals for nonsurface-consistent static time shifts Jun. 3, 1980
4188610 Method of and apparatus for the generation and transmission of signals for echolocation and other signalling purposes, such as in geophysical exploration Feb. 12, 1980
4168485 Simultaneous use of pseudo-random control signals in vibrational exploration methods Sep. 18, 1979
4058791 Method and apparatus for processing seismic signals from low energy sources Nov. 15, 1977
4044356 Process and device for correlation for use in a doppler radar installation Aug. 23, 1977











 
 
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