About: http://webisa.webdatacommons.org/147969303

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 pair of detectors 220, 221 measure at least one signal characteristic of the output and input, such as the amplitude, phase or both amplitude and phase, and pass their output to an error detector 230.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com