About: http://webisa.webdatacommons.org/361932545

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 frequency f of the pulses may for example be greater than about 10 Hz, or even greater than about 1 kHz, being around 10 kHz in one illustrative example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es