Explorer Geophysical Corner
By Kurt Marfurt,Renjun Wen,Rongfeng Zhang,Satinder Chopra
Seismic data are usually contaminated with noise, which, stated simply, refers to unwanted signal. Noise in seismic data can originate from various sources but processed seismic data may contain the following types of noise: random noise, steeply dipping coherent noise, aliased coherent noise that may appear to be random, and coherent multiples that are often subparallel to the reflectors of interest.