engineering recuitment ISRO Technical Assistant 2024 Mock Test Signals and Systems Laplace Transform
What is the LT and ROC of the signal x(t) = sin (3t) u(t)?
1
\(X\left( s \right) = \frac{3}{{{s^2} + 9}},\;Re\left( s \right) < 3\)
2
\(X\left( s \right) = \frac{3}{{{s^2} + 9}},\;Re\left( s \right) < 0\)
3
\(X\left( s \right) = \frac{3}{{{s^2} + 9}},\;Re\left( s \right) > 0\)
4
\(X\left( s \right) = \frac{3}{{{s^2} + 9}},\;Re\left( s \right) > 3 \)