Z & S Domain Relationship 1. The auto-correlation function of a rectangular pulse of duration T is a) A rectangular…
Z-transform Analysis of Sampled-Data Control Systems 1. The DFT of a signal x(n) of length N is X(k). When X(k)…
The inverse z-transform & Response of Linear Discrete Systems 1. Unit step response of the system described by the equation…
The Z-Transfer Function 1. Consider the following statements regarding a linear discrete-time system: H (z) = z2+1/(z+0.5)(z-0.5) 1. The system…
The Z-Transform 1. The discrete-time signal x (n) = (-1)n is periodic with fundamental period a) 6 b) 4 c) 2…
Difference Equations 1. Difference equation model results in: a) Sampled-data systems b) Numerical analysis of continuous time systems c) Continuous…
Signal Reconstruction 1. Sampling can be done by: a) Impulse train sampling b) Natural sampling c) Flat-top sampling d) All…
Spectrum Analysis of Sampling Process 1. Statement (I): Aliasing occurs when the sampling frequency is less than twice the maximum…
Feedback Compensation 1. Which of the following are the not characteristics of the closed loop systems? a) It does not…
Tuning of PID Controllers 1. The input of a controller is a) Sensed signal b) Error signal c) Desired variable…
