id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
esrj-21247	Gómez Londoño, Ernesto; Castillo López, Luís; Kazmierczak, Thaís de Souza	USING THE KARHUNEN-LOÈVE TRANSFORM TO SUPPRESS GROUND ROLL IN SEISMIC DATA	2005	9	.pdf	application/pdf	2830	139	58	The conventional filtering techniques: f-k, High-Pass and BandPass are applied in the frequency domain but in the case of Ground Roll amplitude stronger than reflection signals, f-k filters cause serious distortion of the signal (Karsh and Bayrak, 2004). e-mail: luis.castillo@ufrgs.br; e-mail: thais.kazmierczak@ufrgs.br RESUMEN En este estudio se implementó y modificó el Algoritmo de Sacchi (2002), basado en la Transformada Karhunen-Loève (K-L), como una técnica para la supresión de Ground Roll, mostrando que aunque	cache/esrj-21247.pdf	txt/esrj-21247.txt