A seismic data processing method, comprising: imparting acoustic energy into the ground with a seismic source including a vibrator provided with a reaction mass and a baseplate ; obtaining reaction mass acceleration data of the source of seismic energy; obtaining baseplate acceleration data of the source ; obtaining seismic data of one or more seismic sensors responsive to the seismic energy of the source ; defining a ground model , said ground model including a set of variables; deriving a transfer function from the ground model : deriving said variables included in the ground model by analyzing a frequency response for the vibrator based on the ground model's transfer function, the frequency response relating the reaction mass acceleration data and the baseplate acceleration data as input and output relative to one another; filtering a source signal configured to operate said seismic source using the transfer function derived from the ground model with the derived values for the variables; and making the filtered source signal available for processing with the seismic data of the one or more seismic sensors , the processing method characterized in that the ground model defines the coupling between the vibrator and the ground on which the vibrator is placed and the ground model variables describe said coupling. imparting acoustic energy into the ground with a seismic source including a vibrator provided with a reaction mass and a baseplate ; obtaining reaction mass acceleration data of the source of seismic energy; obtaining baseplate acceleration data of the source ; obtaining seismic data of one or more seismic sensors responsive to the seismic energy of the source ; defining a ground model , said ground model including a set of variables; deriving a transfer function from the ground model : deriving said variables included in the ground model by analyzing a frequency response for the vibrator based on the ground model's transfer function, the frequency response relating the reaction mass acceleration data and the baseplate acceleration data as input and output relative to one another; filtering a source signal configured to operate said seismic source using the transfer function derived from the ground model with the derived values for the variables; and making the filtered source signal available for processing with the seismic data of the one or more seismic sensors , the processing method characterized in that the ground model defines the coupling between the vibrator and the ground on which the vibrator is placed and the ground model variables describe said coupling. deriving said variables included in the ground model by analyzing a frequency response for the vibrator based on the ground model's transfer function, the frequency response relating the reaction mass acceleration data and the baseplate acceleration data as input and output relative to one another; filtering a source signal configured to operate said seismic source using the transfer function derived from the ground model with the derived values for the variables; and making the filtered source signal available for processing with the seismic data of the one or more seismic sensors , the processing method characterized in that the ground model defines the coupling between the vibrator and the ground on which the vibrator is placed and the ground model variables describe said coupling. <EOS>