About: http://webisa.webdatacommons.org/199760396

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	Power spectrum 501 has zeros (nulls) whenever the frequency corresponds to n*1/fc, where n is an integer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com