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Te signal sn2mie s-is . power signal. It is input to a linear time invariant j4n n +1 x(t) = is a power signal. It is input to a linear time invariant system whose impulse response is ht) 40sinc(t/20). The corresponding output is ) (a) Find the power of ) (b) Express a(t) by its trigonometric Fourier Series (c) Find ut). (d) Find the power of x)

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ub 드1.51 |ch-4わ )Exponential founien Series Corffetent a (t 5 h--5 5 IGn I6 x16 216 64 6 x25 5+D 4 25 36 - 10-24 +Ii) = 21-414jn In In+ @ya), χ A)耒h(t)-(乏5-4in_ el. 5 Trt)* 40sincG) 4 米40 sinc 40sinc (t)で一61940 rect ( ル5Tnt JI. 5Tnt 米40 sinc(t) 80 个个

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