Signal Symmetry and Decomposition

Signal symmetry helps classify continuous-time and discrete-time signals as even or odd. An even signal matches its time-reversed version. It mirrors around the vertical axis, so the values at negative time match the values at positive time.

An odd signal does not match its time-reversed counterp...

An even signal, either in continuous-time or discrete-time, is defined as a signal that matches its own time-reversed version.

Even signals are symmetrical around the vertical axis, meaning that the signal for negative time values mirrors the signal for positive time values.

A signal is termed odd if it equates to the negative of i...