PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Where, T is the cycle of the fundamental wave (i.e., the wave with the lowest frequency), and equal to the cycle of the pulse discharge, n is the natural number minus (???) the order of the square wave (f(nt), g(nt) respectively represents the 1/n cycle of the square wave of the cycle T of the fundamental wave), m is an arbitrary natural number.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com