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342 3. Reference Manual
Reduce the number of plot
points.
In[18]:= BodePlot[H1[I w]^5, {w, 0.01, 100},
PlotPoints −> 10, PlotRange −> {Automatic, {−360, 0}}]
Magnitude (dB)
0
-50
-100
-150
-200
1.0E-2 1.0E-1 1.0E0 1.0E1 1.0E2
Frequency
Phase (deg)
0
-50
-100
-150
-200
-250
-300
-350
1.0E-2 1.0E-1 1.0E0 1.0E1 1.0E2
Frequency
Out[18]= Graphics
To unwrap the phase trace, you can specify a larger number of plot points or increase the value of
UnwrapTolerance.
Increase the unwrap
tolerance to 30% of ∘ .
In[19]:= BodePlot[H1[I w]^5, {w, 0.01, 100},
PlotPoints −> 10, UnwrapTolerance −> 0.3]
Magnitude (dB)
0
-50
-100
-150
-200
1.0E-2 1.0E-1 1.0E0 1.0E1 1.0E2
Frequency
0
Phase (deg)
-100
-200
-300
-400
1.0E-2 1.0E-1 1.0E0 1.0E1 1.0E2
Frequency
Out[19]= Graphics