engineering recuitment BEL Probationary Engineers Mock Test 2025 Signals and Systems Discrete Time Signals and Systems Characteristic of Signals
If x(t) is a continuous signal and 'A' is a constant, then x(At) = ?
1
Folded version of x(t)
2
Time scaled version of x(t)
3
Time scaled version of x(-t)
4
Amplitude scaled version of x(t)