About: http://webisa.webdatacommons.org/45276024

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	Polyphase position determining is applicable to systems where position is a function (preferably linear) of the difference in phase shift between an AC signal and a reference signal of the same frequency.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com