How can i write a program; to find ultimate frequency of the transfer function

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CHANDRA SHEKHAR BESTA
回答： Paul 2014-3-23
How can i write a program;
to find ultimate frequency of the transfer function.
i.e., frequency where the phase plot of frequency response across -pi

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回答（1 个）

Paul
Paul 2014-3-23
I guess you want the crossover frequency:
[Gm,Pm,Wgm,Wpm] = margin(sys)
Wgm is the crossover frequency in rad/s. sys is the transfer function defined by tf().

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