Characteristic analysis of seismic attenuation using MBMSW wavelets
基于改进的最佳匹配地震子波的地震资料衰减特性分析

In this paper, a new type of analyzing wavelet named modified best matching seismic wavelets (called MBMSW wavelets)is proposed briefly, and the MBMSW wavelet's parameters are introduced. An amplitude attenuation formula is presented in time-frequency domain, based on the difference between the energy absorbing of the seismic wave's high frequency components propagating in visco elastic media and that of the low ones. Using the MBMSW wavelet and the Morlet wavelet as analysing wavelets, the characteristics of seismic attenuation curves are estimated with the field and synthetic data and their time resolution are compared. The robust of the method is tested by the noised synthetic data.