A PD controller is used to compensate a system. Compared to the uncompensated system, the compensated

A PD controller is used to compensate a system. Compared to the uncompensated system, the compensated system has: (1) A higher type number. (2) Reduced damping. (3) Higher noise amplification. (4) Larger transient overshoot. 
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A PD controller is used to compensate a system. Compared to the uncompensated system, the compensated system has: Higher noise amplification.

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