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12. Let X(e) be the DTFT of the discrete-time signal z[n] = (0.5)u[n]. Let gin] be the length-5 sequence whose 5-point DFT,

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Give considesin FT F-o (05),e O.SJu x( a Consides j(ツ -t 1--.is刊04tS 1 + o.4-jo.29 →to4.tjon 0.41kzo Li) a I O.S e o S e l-ose I-ose g)2.344063

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12. Let X(e") be the DTFT of the discrete-time signal z[n] = (0.5)"u[n]. Let gin] be the length-5...
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