Abstract：Because the signal-to-noise ratio in different frequency band is different on seismic data,the resolution is improved meanwhile the signal-to-noise ratio has decreased significantly after deconvolution.Aimed at the circumstances,the paper introduced a method of spectrum-constrained deconvolution,which designed automatically spectrum-constrained operator according to character of signal-to-noise ration on seismic data,limited the degree of deconvolution at frequency band with low signal-to-noise ratio and achieved object of while improving resolution,some signal-to-noise ratio can be preserved after deconvolution processing.Application of the method is feasible.The effects of application in real data proved that the method is effective.
