About: http://webisa.webdatacommons.org/236262994

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	Since a signal is detected via the electrostatic capacitance, if the magnetic field is other than a DC magnetic field, then an exciting means having various waveforms, such as rectangular and sinusoidal, can be used.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com