About: http://webisa.webdatacommons.org/214395935

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	While in one embodiment, the signal is an analog signal, the modulating signal may be digital rather than analog.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com