About: http://webisa.webdatacommons.org/110282460

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 present invention provides a method and system for determining electromagnetic properties of a signal source such as frequency and azimuth angle detected in a space under surveillance.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com