Bode Plot - Approximations

G(s)= K
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G(s)=
1____________s
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G(s)=
s____________1
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G(s)=
a____________s+a
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G(s)=
s+a____________a
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G(s)=
ωn2____________s2 + 2ζωn + ωn2
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G(s)=
s2 + 2ζωn + ωn2____________ωn2
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