N-1. Continuous-time, continuous amplitude (Analog Signals) Discrete time, continuous amplitude 3. y(n)=F[x(n),x(n-1),x(n-2),…] So, according to the conditions given in the question, the system is a causal system. Part 2: List for questions and answers of Digital Signal Processing . xo(t)=(1/2)*(x(t)-x(-t)). Electrical Engineering (EE) c) it is anticipator. Accordingly, we can classify the shifting i Equiripple passband. These short objective type questions with answers are very important for Board exams as well as competitive exams. The nonlinear difference equations are solved using. The sequence x $$\left[ n \right]$$ = $${0.5^n}$$ u[n], where u$$\left[ n \righ GATE ECE 2014 Set 4 | Discrete Time Signal Z Transform | Signals and Systems | GATE ECE menu ExamSIDE Questions … Model Question Paper; Admit Card ; Admission Form; Exam Result; Exam Syllabus; Previous Year Papers; Signals & Systems MCQ Electronics Engineering Questions Answers. So, time scaling is also called as down-sampling. Ans1. a) y[n] = x[n-k] b) y[n] = x[-n-k] c) y[n] = -x[n-k] d) y[n] = x[n+k] Q2. If the output of the system is with an input of x(n) then the system will work as: Explanation: From the equation given, y(n)=x(n)+x(n-1)+x(n-2)+…. 21 A function of one more variables which conveys information on the nature … So, the function is called as unit ramp signal. To practice MCQs on all areas of Discrete Mathematics, here is complete set of 1000+ Multiple Choice Questions and Answers. Flat passband. Let y1(n)=x12(n) and y2(n)=x22(n) So, the signal is called as decaying exponential signal. The system described by the input-output equation y(n)=nx(n)+bx3(n) is a: Explanation: Since the output of the system y(n) depends only on the present value of the input x(n) but not on the past or the future values of the input, the system is called as static or memory-less system. Questions Asked from Representation of Continuous Time Signal Fourier Series On those following papers in Marks 1 students definitely take this Test: Discrete Time Signals exercise for a better result in the exam. You can find other Test: Discrete Time Systems extra questions, Ideal for students preparing for semester exams, GATE, IES, PSUs, NET/SET/JRF, UPSC and other entrance exams. Which among the following assertions represents a necessary condition for the existence of Fourier Transform of discrete time signal (DTFT)? Electrical Engineering (EE) Aspirants who are willing to learn Signals and Systems ECE Questions and Answers in simple and easy steps must refer to this article. Shifting means movement of the signal, either in time domain (around Y-axis) or in amplitude domain (around X-axis). Now, y(n)=x(2n)(say)=xa(2nT). N. 2N. If a signal x(n) is passed through a system to get an output signal of y(n)=x(n+1), then the signal is said to be: Explanation: For example, the value of the output at the time n=0 is y(0)=x(1), that is the system is advanced by one unit. Answer : The response of the system to a weighted sum of signals will be equal to the corresponding weighted sum of the response i.e. These short objective type questions with answers are very important for Board exams as well as competitive exams. Dec 01,2020 - Test: Discrete Time Signals | 10 Questions MCQ Test has questions of Electrical Engineering (EE) preparation. 11) If the response of a system to an input does not depend on the future values of the input.Then which one of the following is true for the system ? 1) If a function f(t) u(t) is shifted to right side by t0,then the function can be expressed as. Part 2: List for questions and answers of Digital Signal Processing . Signals & Systems Questions and Answers – Discrete Time Signals « Prev. Explanation: The given figure is an example of an energy signal hence the energy of a discrete-time signal is given by the equation E = ∑ x 2 [n]. If x(n) is a discrete-time signal, then the value of x(n) at non integer value of ‘n’ is: Explanation: For a discrete time signal, the value of x(n) exists only at integral values of n. So, for a non- integer value of ‘n’ the value of x(n) does not exist. a) it is aperiodic. Multiple choice questions on Digital Communication topic Signal Formatting and Baseband Modulation. 1. .This system calculates the running sum of all the past input values till the present time. EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. d) Power series method . Signals & Systems Electronics Engineering MCQ Questions Answers ECE. Digital Control Systems Multiple Choice Questions, Digital Control Systems Interview, Digital Control Systems Quiz Questions, Digital Control Systems MCQ. 11) If the response of a system to an input does not depend on the future values of the input.Then which one of the following is true for the system ? 2. Explanation: When the value of ‘r’ lies between 0 and 1 then the value of x(n) goes on decreasing exponentially with increase in value of ‘n’. Signals and Systems, Electronics Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, Electronics Engineering, Multiple Choice Questions, Objective type questions, Electronics Engineering short notes, rapid fire notes, best theory Time shifting of discrete time signal means. 0 a 1 c. a -1 d. … Here’s list of Questions & Answers on Signals & Systems Subject covering 100+ topics: 1. This test is Rated positive by 86% students preparing for Electrical Engineering (EE).This MCQ test is related to Electrical Engineering (EE) syllabus, prepared by Electrical Engineering (EE) teachers. Signals & Systems Electronics Engineering MCQ Questions Answers ECE. Question 12. Discrete time signal is continuous in amplitude and discrete in time, where Digital signal is discrete in time and amplitude. ... EC8553 Discrete Time Signal Processing; ... Can you give a Aeronautical final semester subject MCQ type questions 1) Wind tunnel techniques( AE6801 ) 2) Rocket and missiles( AE6015 ) Reply. The block denoted as follows is known as: Explanation: If the function to this block is x(n) then the output from the block will be x(n-1). What is the condition for a signal x(n)=Brn where r=eαT to be called as an decaying exponential signal? a) Iterative method. Define Discrete Time Signal? Digital signal processing interview questions. 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