Xncosn7pi16cosn9pi16 afind the fs coefficients of xn
x[n]=cos(n*7pi/16)+cos(n*9*pi/16)a)Find the FS coefficients of x[n].b)Obtain the DTFT of x[n] using the coefficients.c) Use Matlab, compute 25 seconds of the discrete-time signal x[n] using an appropiate sample period Ts.
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x[n]=cos(n*7pi/16)+cos(n*9*pi/16) a)Find the FS coefficients of x[n]. b)Obtain the DTFT of x[n] using the coefficients. c) Use Matlab, compute 25 seconds of the discrete-time signal x[n] using an appropiate sample period Ts.
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