Question

Use the method of inspection (or any method) to determine the Discrete Time Fourier Series coefficients for the following signal Xin1= 2 +sing Yanitiniz: OX[k] for k-1, 2 fork-0, for k=1,0 for k=2, 2 2) 2) e OX[k)- for k=-1.2 for k=0 for k-1.0 for 2-2 2) 2j OX[K) fork-1.2 for k0 for k-1,0 for k-2,-2 2 2 - e 2j OXIK) for k.1, 1 for kr. for k=1.0 for k-2,2 21 e X[k] for k=- 1, 2 fork-0. for k=1.0 for k-2.2 21 21

Answer 1

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+.1 -T40+) Rin): 27 1/029+) 7 . e श -7197 27 21 21 Т. Л 119.4) - F. 117) 2. I. Le 27 QT T.K. Cosao +5. singo = Ize -TA Cosao - I Sin 90 :-1ce 4 un)=2+1 II Tin hth T27) he e Q tle .eu Tot 2 Talu lalofat the -7492) e 4 e e Comparing Squation & Equation 3 falso as alom at sin (nh + + -) N = H &f=t&w=2af 200 TAH). 1. En ta, e tave +0ota, em (1).m) Ta () +0, e

Can Сентрален -1914 0.2=0 TTH ace 2. are e a, 20 ao & Equation Com from . Equation Comparusian ay=0 ace 25 an -e.4 QJ 2220 do sa