Paper Info
Title
SIMULTANEOUS GROUP AND PHASE CORRECTION FOR THE ESTIMATION OF DISPERSIVE PROPAGATING WAVES IN THE TIME-FREQUENCY PLANE
Abstract
This paper deals with seismic signal processing. We pro- pose a new algorithm which performs the dispersion filter estimation using a linear array of geophones. This estima- tion enables a robust characterization and extraction of the dispersive propagating waves from a seismic profile. The novelty of our method is the use of a simultaneous time de- lay and phase shift correction in order to estimate the dis- persion filter. The resulting algorithm is semi-automatic and requires very few input parameters. The main advantage of our algorithm is that the signals are analysed in the time- frequency domain using all sensors simultaneously while classical approches are either multi-sensor in the frequency domain or single sensor in the time-frequency domain. Val- idations on synthetic and real data show the reliability of the algorithm.
Year
DOI
Venue
2003
10.1109/ICASSP.2003.1199503
ICASSP
Keywords
Field
DocType
array signal processing,dispersion (wave),filtering theory,geophysical signal processing,parameter estimation,seismic waves,seismology,seismometers,time-frequency analysis,dispersion filter estimation,dispersive propagating waves,group correction,linear array,linear geophone array,phase correction,phase shift correction,seismic signal processing,time delay correction,time-frequency domain,time-frequency plane
Frequency domain,Dispersion (optics),Signal processing,Pattern recognition,Computer science,Seismometer,Artificial intelligence,Time–frequency analysis,Seismic wave,Acoustics,Estimation theory,Phase (waves)
Conference
Volume
Citations 
PageRank 
3
2
0.53
References 
Authors
2
4
Name
Order
Citations
PageRank
Antoine Roueff1244.61
m l mars220.53
Jocelyn Chanussot34145272.11
Pedersen, H.481.40