About: http://webisa.webdatacommons.org/297255890

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The invention disclosed herein is a system for removing a periodic interfering signal from an electrical signal that includes a data signal, such as a geophone output signal, and the interfering signal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com