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Frequency Response

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Polar plot for RC filter.

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Bode Diagram

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First Order System

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Two vectors on the s-plane to evaluate G( jω 1 ).

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Second Order System

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Vector evaluation of the frequency response for selected values of ω.

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Asymptotic Curves for Basic Terms of a Transfer Function.

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Asymptotic Curves for Basic Terms of a Transfer Function (cont.)

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Pole–zero patterns giving the same amplitude response and different phase characteristics.

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The phase characteristics for the minimum phase and nonminimum phase transfer function.

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The all-pass network (a) pole–zero pattern, and (b) frequency response, and (c) a lattice network.

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Example:

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Magnitude asymptotes of poles and zeros used in the example.

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Magnitude characteristic.

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Phase characteristic.

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The Bode plot of the G( jω) of Eq. (8.42).

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A Bode diagram for a system with an unidentified transfer function.

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A second-order closed-loop system.

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Magnitude characteristic of the second-order system.

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(a) Engraving machine control system. (b) Block diagram model.

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Bode diagram for G(jω).

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Bode diagram for closed-loop system.

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The Bode plot associated with Eq. (8.59).

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The bode function, given G(s).

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The logspace function.

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Spring, mass, friction model of flexure and head.

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Disk drive head position control, including effect of flexure head mount.

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Sketch of the Bode diagram magnitude for the system of Fig. 8.42.

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The magnitude Bode plot for (a) the open-loop transfer function and (b) the closed-loop system.

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Bode Diagram Plots for Typical Transfer Function

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