About: http://webisa.webdatacommons.org/440418561

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	When a series of sinusoidal (or other periodic) waveforms (having uniform phase) are arithmetically summed, the result is a signal having large dynamic range which has a waveform of the type shown in FIG. 2.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com