The autocorrelation function of the sinusoidal signal x(t) = A cos (ω0 t + ϕ) is:

Question

TuteeHUB · Accepted Answer

$R\left( \tau \right) = \frac{{{A^2}\; \times \;\cos \left( {{\omega _0}\tau } \right)}}{4}$

TuteeHUB · Answer

R(τ) = A2 × cos (ω0 τ)

TuteeHUB · Answer

$R\left( \tau \right) = \frac{{{A^2}\; \times \;\cos \left( {{\omega _0}\tau } \right)}}{2}$

TuteeHUB · Answer

$R\left( \tau \right) = \frac{{{A^2}\; \times \;\cosh \left( {{\omega _0}\tau } \right)}}{2}$

1.	The autocorrelation function of the sinusoidal signal x(t) = A cos (ω0 t + ϕ) is:
A.	R(τ) = A2 × cos (ω0 τ)
B.	\(R\left( \tau \right) = \frac{{{A^2}\; \times \;\cos \left( {{\omega _0}\tau } \right)}}{2}\)
C.	\(R\left( \tau \right) = \frac{{{A^2}\; \times \;\cos \left( {{\omega _0}\tau } \right)}}{4}\)
D.	\(R\left( \tau \right) = \frac{{{A^2}\; \times \;\cosh \left( {{\omega _0}\tau } \right)}}{2}\)
Answer» C. \(R\left( \tau \right) = \frac{{{A^2}\; \times \;\cos \left( {{\omega _0}\tau } \right)}}{4}\)

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