About: http://webisa.webdatacommons.org/359773099

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	Below is an example of a quarter-wave symmetric signal (red) that does not show this property without first being shifted along the time axis (green, dashed):
http://www.w3.org/ns/prov#wasQuotedFrom	wikibooks.org