모두CBT
시간함수 f(t) = sinωt의 z변환은? (단, T는 샘플링 주기이다.)
zsinωTz2+2zcosωT+1\dfrac{z\sin\omega T}{z^2+2z\cos\omega T+1}z2+2zcosωT+1zsinωT
zsinωTz2−2zcosωT+1\dfrac{z\sin\omega T}{z^2-2z\cos\omega T+1}z2−2zcosωT+1zsinωT
zcosωTz2−2zsinωT+1\dfrac{z\cos\omega T}{z^2-2z\sin\omega T+1}z2−2zsinωT+1zcosωT
zcosωTz2+2zsinωT+1\dfrac{z\cos\omega T}{z^2+2z\sin\omega T+1}z2+2zsinωT+1zcosωT