Question: Consider the following DT sequence x n = 1+ j for n = ..., -2, -1, 0,1, 2, .... 4 Define functions of time t,

Consider the following DT sequence x n = 1+ j for n = ..., -2, -1, 0,1, 2, .... 4 Define functions of time t, $ ()=T 1 exp T He Jrect ( H. fork =., - 2, -1,0,1,2,... Denote functions of time t, yx (t) = >x, (t), K = 0,1, 2, ... 1 =-K a) Specify the numerical value of the energy of the sequence [ lx[n]". 1=-00 b) Specify the numerical value of the energy of the signal y, ( ) . c) Suppose we are approximationg the signal ya ( ) by signal y29 ( ). The approximation error can be represented as the error function of t, y30 (t) - y29 (t). Specify the numerical value of the energy of the error signal , S lyso (1) - yzo (1 ) dt . d) Specify the numerical value of the samples )30 (-107), y30 (-T / 4), )30 (T / 2)

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