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Higher Study | Control Systems | Frequency Response Analysis

Identify the number of poles and zeros of the transfer function whose frequency response is given as:
The pole-zero map of a rational function G(s) is shown below. When the closed contour Γ is mapped into the G(s)-plane, then the mapping encircles
When the gain margin and phase margin have values as 0 dB, then the system is:
The complete Nyquist plot of the open-loop transfer function G(s) H(s) of a feedback control system is shown in the figure. If G(s) H(s) has one zero in the right-half of the s-plane. the number of poles that the closed-loop system will have in the right-half of the s-plane is
For the Nichols plot shown, the system is:
Ten signals, each requiring 3000 Hz, are multiplexed onto a single channel using FDM. How much minimum bandwidth is required for the multiplexed channel? Assume that the guard bands are 300 Hz wide. 
Consider the Nyquist plot of the second-order underdamped system shown in the below figure The resonant frequency corresponding to the Nyquist plot is
A unity feedback control system is characterized by the open-loop transfer function \(G\left( s \right) = \frac{{10K\left( {s + 2} \right)}}{{{s^3} + 3{s^2} + 10}}\) The Nyquist path and the corresponding Nyquist plot of G(s) are shown in the figures below. If 0 < K < 1, then the number of poles of the closed-loop transfer function that lie in the right-half of the s-plane is
For an LTI system, the Bode plot for its gain is as illustrated in the figure shown. The number of system poles Np and the number of system zeros Nz in the frequency range 1 Hz ≤ f ≤ 107 Hz is
The Bode asymptotic plot of a transfer function is given below. In the frequency range shown, the transfer function has
The figure shows the Nyquist plot of the open-loop transfer function G(s)H(s) of a system. If G(s)H(s) has one right-hand pole, the closed-loop system is -
Which one of the following statement is correct regarding constant N circles ?
An op-amp based programmable gain amplifier with a negative feedback is designed. Which method will be the best suitable for the stability analysis?
Band width is the range of frequencies for which system gain is
Which of the following is used for Nyquist plot?
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