Enhancement of Seismic Signal by Hanning Filter – A Case History

Abstract

A case history regarding the recovery of shear waves is discussed to show that simple filtering sometimes becomes more important than that of optimum filtering. Shear wave singal received in the Lewisian Units Seismic Traverse is generally poor in quality, thus, ‘the partial recovery could be made possible using Hanning band pass filtering, which appeared more effective than the other commonly used optimum filtering techniques.