The present invention provides an adaptive filtering method for substantially eliminating ground roll noise encountered during seismic data acquisition. An apparatus for acquiring seismic data is provided that includes an adaptive filtering circuit coupled to a multi-axis sensor device.

 
Web www.patentalert.com

< Air intake device for internal combustion engine

< Tuned exhaust system for small engines

> Source array for use in marine seismic exploration

> Loudspeaker system having wide-directional characteristics
~ 00217