Abstract：In ordinary seismic processing methods for resolution improvement，deconvolution operator has poor part characteristics，thus influencing the operator frequency. In wavelet transform，wavelet function has very good part characteristics. Frequency-division data processing in wavelet transform also brings quite good high resolution data，but it needs more time than deconvolution method does.On the basis of frequency-division processing method in wavelet domain，a new technique is put forward，which involves 1) designing filter operators equivalent to deconvolution operator in time and frequency domains in wavelet transform，2) obtaming derivative wavelet function that is suitable to high-resolution seismic data processing，and 3) processing high resolution seismic data by deconvolution method in time domain.Real application result proves that this is a fast wavelet frequency-division processing technique，and it is correct in theory and feasible in real application.
