
%0 Journal Article
%A Goebel, V. 
%A Evans, B.J. 
%T A new velocity filter for the attenuation of coherent seismic noise
%J Exploration Geophysics
%D 1987/06/01
%V 18
%N 2
%P 73-75
%K 
%R https://doi.org/10.1071/EG987073
%U https://www.publish.csiro.au/paper/EG987073 
%X A new method of wave modelling and phase velocity filtering in the FX domain is presented. A shot record is considered to be consisting of two models ? one model is that of relatively slow velocity coherent noise whilst the other is of relatively fast velocity (reflected) waves. The process measures phase velocity as a function of frequency for each trace of a shot record. Then it produces the two separate models ? one with only coherent noise present, the other with only reflected waves present. This has a clear application to shot records on which coherent noise has the same frequency content as reflected signal, and the process requires less computation than the equivalent FK methods. 
