About: http://webisa.webdatacommons.org/328588898

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	However, any combination of the modulation types is also possible, such as changing amplitude and phase to produce quadrature amplitude modulation (QAM).
http://www.w3.org/ns/prov#wasQuotedFrom	google.com