No attempt to uncover the desired mechanical properties of the earth will be successful in reflection seismology without an accurate estimate of the source term in the wave equation model. In this paper we argue for using inversion to solve the source calibration problem while at the same time discerning the earth parameters. We show both mathematically and through a numerical example how highly effective inversion can be in this determination when reproducible sources provide redundancy in the seismic data
International audienceThis paper presents direct-seismogram inversion (DSI) for receiver-side struct...
International audienceFull-waveform inversion is re-emerging as a powerful data-fitting procedure fo...
International audienceFull-waveform inversion is re-emerging as a powerful data-fitting procedure fo...
Reflection seismologists illuminate the subsurface by introducing energy into the ground. These prop...
To perform seismic tomography, accurate determinations of event locations and focal mechanisms are r...
To perform seismic tomography, accurate determinations of event locations and focal mechanisms are r...
The seismological inverse problem has much in common with the data assimilation problem found in met...
International audienceIn this talk, we deal with the inverse wave source problem from interferometri...
In micro-seismic event measurements, pinpointing the passive source's exact spatial and temporal loc...
Seismologists have long used extended sources, both physical and synthetic, to enhance the effective...
A method for the estimation of impedance or pseudo-velocity sections from the information contained ...
Many important details of potential subsurface reservoirs that we wish to characterize are only indi...
International audienceReceiver functions are a powerful tool to isolate and interpret receiver-side ...
International audienceFull-waveform inversion is re-emerging as a powerful data-fitting procedure fo...
International audienceThis paper presents direct-seismogram inversion (DSI) for receiver-side struct...
International audienceThis paper presents direct-seismogram inversion (DSI) for receiver-side struct...
International audienceFull-waveform inversion is re-emerging as a powerful data-fitting procedure fo...
International audienceFull-waveform inversion is re-emerging as a powerful data-fitting procedure fo...
Reflection seismologists illuminate the subsurface by introducing energy into the ground. These prop...
To perform seismic tomography, accurate determinations of event locations and focal mechanisms are r...
To perform seismic tomography, accurate determinations of event locations and focal mechanisms are r...
The seismological inverse problem has much in common with the data assimilation problem found in met...
International audienceIn this talk, we deal with the inverse wave source problem from interferometri...
In micro-seismic event measurements, pinpointing the passive source's exact spatial and temporal loc...
Seismologists have long used extended sources, both physical and synthetic, to enhance the effective...
A method for the estimation of impedance or pseudo-velocity sections from the information contained ...
Many important details of potential subsurface reservoirs that we wish to characterize are only indi...
International audienceReceiver functions are a powerful tool to isolate and interpret receiver-side ...
International audienceFull-waveform inversion is re-emerging as a powerful data-fitting procedure fo...
International audienceThis paper presents direct-seismogram inversion (DSI) for receiver-side struct...
International audienceThis paper presents direct-seismogram inversion (DSI) for receiver-side struct...
International audienceFull-waveform inversion is re-emerging as a powerful data-fitting procedure fo...
International audienceFull-waveform inversion is re-emerging as a powerful data-fitting procedure fo...
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