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phase inversion

1. Introduction of a phase difference of 180°.
Note: Phase inversion may occur with a random or periodic, symmetrical or non-symmetrical waveform, although it is usually produced by the inversion of a symmetrical periodic signal, resulting in a change in sign. A symmetrical periodic signal represented by f (t) = Ae jt, after phase inversion, becomes f1(t) = Ae j(t+), where t is time, A is the magnitude of the vector, is angular frequency ( = 2f ), where f is the frequency and
3. 1416 and e
2. 718
3. The algebraic sum of f (t) and f1(t) will always be zero.