| http://www.w3.org/ns/prov#value | - The signals v21, v22 can be illustrated as FIG. 3(a) and (b). v21 = - A ??? sin ??? ??? ( 2 ??? ??? ?? ??? ??? x / pt ) + B ( 1 ) v22 = A ??? sin ??? ??? ( 2 ??? ??? ?? ??? ??? x / pt ) + B ( 2 ) In the formulae (1) and (2), A is an amplitude and B is a DC component.
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