About: http://webisa.webdatacommons.org/362102101

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	When the same signals are subtracted from each other, the result is a signal that corresponds to the angular alignment independent of the axial displacement.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com