Question #114898

Find the complex exponential Fourier series coefficients for:

a. x(t)=3cos(4w0t)

b. x(t)=sin^2(t)

2. Find the DTFT of:

x(n)={1 0<=n<=3

0 otherwise}

a. x(t)=3cos(4w0t)

b. x(t)=sin^2(t)

2. Find the DTFT of:

x(n)={1 0<=n<=3

0 otherwise}

Expert's answer

a. Find the complex and exponential form:

Fourier series coefficients from -*π* to *π*:

b. Find the complex and exponential form:

Fourier series coefficients from -*π* to *π*:

2. Find the DTFT of

"X(\\Omega)=\\sum^3_1e^{-j\\Omega n}=e^{-3j\\Omega}(e^{j\\Omega}+e^{2j\\Omega}+1)."

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