Signals & Systems - GATE practice papers - Electronics & Communication for Q. 525
Q. Any signal that exhibits symmetry on Y-axis is called as _______ (Marks : 01)- Published on 19 Oct 15a. odd signal
b. even signal
c. periodic signal
d. exponential signal
ANSWER: even signal
A signal can be said to be symmetric on Y-axis only when the symmetrical nature of curve obtained from the signal exhibits two equal portions of the curve exactly similar to each other over the Y-axis.
Since this kind of symmetry is shown by the signal has even (equal) form of distributions in terms of curve portions,amplitudes & time instants, they are generally referred as 'Even Signals'