## MATLAB Questions and Answers – Z Transform – 2

This set of MATLAB Puzzles focuses on “Z Transform – 2”. 1. The unit delay operator can be thought of in the z-domain as ___________ a) Multiplication by z-1 b) Multiplication by z c) Multiplication by z-2 d) Multiplication by z2 2. The convolution of a signal in time domain can be viewed as __________ … Read more

## MATLAB Questions and Answers – Z Transform – 1

This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on “Z Transform – 1”. 1. What is the output of the following code? ztrans(1,z) a) 1/z-1 b) 1/z+1 c) z/(z-1) d) z/(z+1) 2. What is the output of the following code? syms n;ztrans(2^n,z) a) z/(z-2) b) z/(z+2) c) z/(2-z) d) z/(2+z) 3. What … Read more

## MATLAB Questions and Answers – Convolution – 2

This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on ” Convolution – 2″. 1. After what instant in time will the signal output become zero? p=conv([ones(1,100)],[ones(1,50),zeros(1,50)]); a) 150 b) 149 c) 151 d) Error 2. For a causal L.T.I. system, the impulse response is 0 for _________ a) t<0 b) t=0 c) … Read more

## MATLAB Questions and Answers – Convolution – 1

This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on “Convolution – 1”. 1. The unit step response of an L.T.I. system is the convolution of a step signal and it’s ________ a) Impulse response b) Ramp response c) Parabolic response d) Time response 2. What is the output of the following code? … Read more

## MATLAB Questions and Answers – Operations on Signals – 2

This set of MATLAB Question Paper focuses on “Operations on Signals – 2”. 1. What is the output of the following code? plot([-5:1:5],tripuls([-4:1:4]) a) Error b) Generates a triangular pulse signal c) Generates a sawtooth signal d) Cannot be determined 2. What is the output of the following code? b={1 2 3}; c={ 1 2 … Read more

## MATLAB Questions and Answers – Operations on Signals – 1

This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on “Operations on Signals – 1”. 1. What is the following graph if u(t) denotes step function? a) u(t+0) b) u(t)-u(t-1000) c) u(t-0) d) u(t) 2. What is the following graph if u(t) denotes step function and r(t) denotes ramp function? a) r(t) b) … Read more

## MATLAB Questions and Answers – Impulse Response – 2

This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on “Impulse Response – 2”. 1. The impulse response does not take account of the transient response of the system. a) True b) False 2. The impulse response of a parabola _________ a) will have 3 poles in the s-plane b) will have 2 … Read more

## MATLAB Questions and Answers – Impulse Response – 1

This set of MATLAB Multiple Choice Questions & Answers (MCQs) focuses on “Impulse Response – 1”. 1. What is the impulse response of a system whose transfer function is that of ramp function delayed by 7 units in time? a) r(t-7) b) r(t+7) c) r(t-3.5) d) Cannot be determined 2. What is the impulse response … Read more

## MATLAB Questions and Answers – Time Response of Control Systems – 2

This set of MATLAB Objective Questions & Answers focuses on “Time Response of Control Systems – 2”. 1. The steady state error of the system with a forward path transfer function G(s)=13(s-1)/(s-1) and with a parabolic input is _______ a) Infinite b) 0 c) -Infinite d) Undefined 2. For a step response of the system … Read more