engineering recuitment NIELIT Scientific Assistant Mock Test 2025 Signals and Systems Fourier Transform
माना F(ω) एक फलन f(t) का फूरियर रूपांतरण है। F(0) का मान कितना होगा?
1
\(\int\limits_{ - \infty }^\infty {f\left( t \right)} dt\)
2
\(\int\limits_{ - \infty }^\infty {{{\left| {f\left( t \right)} \right|}^2}dt}\)
3
\(\int\limits_{ - \infty }^\infty {{{\left| {t \cdot f\left( t \right)} \right|}^2}dt}\)
4
\(\int\limits_{ - \infty }^\infty {t \cdot f\left( t \right)dt}\)