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phase responce of a system (Read 2102 times)

raja.cedt Senior Fellow Offline Posts: 1516 Germany	phase responce of a system Mar 29^th, 2011, 5:12am hi, can any one please tell me is there any way to predict phase response from step response of a system? Thanks. Raj.
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Rakesh Community Member Offline Posts: 60	Re: phase responce of a system Reply #1 - Mar 29^th, 2011, 7:02am Hi, yes, You can measure the rise time and the settling time of the step response and from there you can predict the zeta and natural frequency of second order system. Once this is know i think phase response is known. i assume you approximate your system as second order system Rakesh
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boe Community Fellow Offline Posts: 615	Re: phase responce of a system Reply #2 - Mar 29^th, 2011, 8:30am Hi raja.cedt, Every L(inear)T(ime)I(nvariant) system is exactly defined by its step response. All you need is the Fourier transform of your step response... B O E
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