Math Problem Statement
calculate energy of s\left(t\right)=4\text{sinc}\left(36\pi t\right)+5\text{sinc}\left(45\pi t\right)
Solution
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Math Problem Analysis
Mathematical Concepts
Signal Energy
Sinc Function
Orthogonality
Integral Calculus
Formulas
E = ∫_{-∞}^{∞} |s(t)|^2 dt
sinc(x) = sin(x) / x
∫_{-∞}^{∞} sinc^2(at) dt = 1/a
Theorems
Energy of a signal
Orthogonality of sinc functions
Suitable Grade Level
Undergraduate Electrical Engineering or Physics
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