Problem 예제.

Multiple Choice • Views 254 • Comments 0 • Last Updated at 1 month ago  
  • 안정도 여유
  • 안정도

다음 임펄스 응답 중 안정한 계는?

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1

c(t)=etsinωtc(t)=e^{-t}\sin \omega t

2

c(t)=2tc(t)=2 t

3

c(t)=cosωtc(t)=\cos \omega t

4

c(t)=1c(t)=1

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