[問題] 想請教「訊號處理」的題目！謝謝指導^___^"
想請大大們幫忙小妹指導一下...這題訊號處理的題目!!!
謝謝。
let X(T)=sin的三次方(27πt)
(a)Determine a formula for x(t) as the real part of a sum of complrx
exponentials
(b)what is the fundamental period for x(t)?
(c)plot the spectrum for x(t)
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