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Application and improvement of the spectrum equalization technology in seismic data acquisition system

Yuan Zilong et al. (Daqing Petroleum Institute,Anda 151400)  
Earth’s absorption and attenuation effect on high frequency signal is one of the chief reasons for causing the resolution of seismic prospecting to be not high. In field high-resolution seismic data acquisition system, the spectrum equalization filter is an important part installed. In this paper we study the resolution reduction degree caused by Earth’s absorption and attenuation and the resolution compensation effect of spectrum equalization filters on the basis of the principle of the spectrum equalization filter and the strata’s absorption and attenuation characteristics. Improvement proposals of the spectrum equalization technology adopted in present instruments are put forward in this paper.
【CateGory Index】: P631.4
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