Problem 예제.

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감쇠비 h=0.4, 고유 각주파수 ωn=1[rad/s]인 2차계의 전달 함수는?

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$\dfrac{1}{s^2+0.4s+1}$

$\dfrac{0.16}{s^2+0.8s+0.16}$

$\dfrac{1}{s^2+0.8s+1}$

$\dfrac{1}{s^2+0.4s+0.16}$