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在 MATLAB 中代码为: num = [100]; den = [1 10 0];
[mag phase w]=bode(num,den) margin(mag,phase, w) nyquist(num,den) grid
3-3 运行的结果
Bode Diagram
Gm = 92 dB (at 2e+003 rad/sec) , Pm = 51.8 deg (at 7.85 rad/sec)
50
Magnitude (dB)Phase (deg)
-50
-10010
10
10
10
10
3
Frequency (rad/sec)
Nyquist Diagram
Imaginary Axis
Real Axis