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4 0 2 002040B o d e D i a g r a mwdBu n c o m p e n s a t e d m a g n i t u d ec o m p e n s a t e d m a g n i t u d e101100101102 1 8 0 1 6 0 1 4 0 1 2 0 1 0 0 8 0wdegu n c o m p e n s a t e d p h a s ec o m p e n s a t e d p h a s e)1)(()1(20)()( sssssGsG c??????????)(t a n)(t a n)(t a n90)( 111???????????? ??? cccc ??????? ?Phase Margin 滿足要求 311??Step Response ? Overshoot = 28% ? Settling Time = 0 0 . 2 0 . 4 0 . 6 0 . 8 1 1 . 200 . 20 . 40 . 60 . 811 . 21 . 4S t e p R e s p o n s eT i m e ( s e c )Amplitude