<http://webisa.webdatacommons.org/346176549>	<http://www.w3.org/ns/prov#value>	"Ordinarily, the signal is a reflected wave and the noise is a summation of waves arriving bylneans other than reflection, arising either from the generated seismic disturbance or extraneous sources." .
<http://webisa.webdatacommons.org/prov/113535539>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/346176549> .
<http://webisa.webdatacommons.org/346176549>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/346176549>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<freepatentsonline.com> .