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If you have asymptote approximations of a Bode plot - do you just find the vector sum of each asymptote to construct the 'full' bode plot?

I hope that makes sense

Any help much appreciated

Jimbo

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- Thread starter Jimbo
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- #1

- 10

- 0

If you have asymptote approximations of a Bode plot - do you just find the vector sum of each asymptote to construct the 'full' bode plot?

I hope that makes sense

Any help much appreciated

Jimbo

- #2

jamesrc

Science Advisor

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[itex] H(s) = \frac{K(s+1)}{s} [/itex]

You can break that up into an integrater (pole at the origin), a zero at s = -1, and a constant (gain) multiplier K. Draw the Bode plot for each component and sum together to find the overall Bode plot.

If you're talking about getting the actual Bode plot from the straight-line approximation, that's a different question. You can put in accuracy points to help you draw the curves or you could plot it exactly using something like MATLAB.

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