=> (a/b)2rxx(0)+ryy(0)+2(a/b)rxy(l) ≥0 Determine the discrete-time signal: x(n)=1 for n≥0 and x(n)=0 for n<0 b) False D-time delay between the time of projection of signal and the reflected back signal Auto correlation sequence is an even function. When K is less than zero the shifting of signal takes place towards right in the time domain. a) Yes a) The system is non causal ANSWER:(a) The linear convolution of a discrete-time signal of length L and a discrete-time signal of length M produces a discrete-time convolved result of length L + M – 1 c) z = 2esT. However, the process of calculating DFT is quite complex. d) Constant . Multiple Choice Questions: Category: Electronics and Communication Engineering Quiz: ... Discrete time system operates with discrete time signal, Time-invariant system is a system whose output does not depend explicitly on time,& for continuous time system Input & output is of continuous time signal . d) None of the mentioned Explanation: y(n)={….0,0,1,-1,2,-2,4,1,-2,5,0,0…. b) 0 c) Both stable and unstable Determine the product of two signals: x1 (n) = {2,1,1.5,3}; x2 (n) = { 1,1.5,0,2}. Determine the value of the summation: ∑∞n= -∞ δ(n+3)(n2+n). Where α-attenuation factor representing the signal loss in the round-trip transmission of the signal x(n) Home >> Category >> Electronic Engineering (MCQ) questions & answers >> Digital Signal Processing; Q. Is the function y[n] = x[n-1] – x[n-56] causal? The initial value of h(0) of the impulse response is -4 3. c) 9 Which of the following parameters are required to calculate the correlation between the signals x(n) and y(n)? Since scaling is unimportant, it is often desirable, in practice, to normalize the auto correlation sequence to the range from -1 to 1. a) It is stable View Answer, 7. Analysis of unstable system can be … LTI discrete time systems can be analysed using DTFT, if input signals are DTF transformable and if system is stable. a) Unit ramp sequence Amplitude Shifting. We use N-point DFT to convert an N-point time-domain sequence x(n) to an N-point frequency domain sequence x(k). KCL,KVL,Series Parallel Connection,Source Transformation, Network Theory, Electrical Engineering, Introduction to Network Theory, Network Theory, Electrical Engineering, GATE, Chapter 3 Electrical Engineering - Notes, Circuit Theory, Electrical Engineering, Test: Electrical And Electronic Measurements- 1. d) Discrete in amplitude and continuous in time c) 2pi/w Consider the following statements regarding a linear discrete-time system: H (z) = z2+1/(z+0.5)(z-0.5) 1. a) Continuous in amplitude and continuous in time a) The function is marginally stable These short solved questions or quizzes are provided by Gkseries. c) The function is unstable Anna University Regulation 2017 ECE Engineering (ECE) 5th Sem EC8553 DISCRETE-TIME … Time Domain Representation for LTI Systems, Signal Transmission Through Linear Systems, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Signals & Systems Questions and Answers – Properties of Systems – 5, Next - Signals & Systems Questions and Answers – Useful Signals, Signals & Systems Questions and Answers – Properties of Systems – 5, Signals & Systems Questions and Answers – Useful Signals, Software Architecture & Design Questions and Answers, Information Technology Questions and Answers, Mechatronics Engineering Questions and Answers, Instrumentation Transducers Questions and Answers, Instrumentation Engineering Questions and Answers, Wireless & Mobile Communications Questions & Answers, Electronic Devices and Circuits Questions and Answers, Electrical & Electronics Engineering Questions and Answers, Electronics & Communication Engineering Questions and Answers, Electrical Engineering Questions and Answers, Biomedical Instrumentation Questions and Answers, Digital Communication Questions and Answers, Discrete Mathematics Questions and Answers, Digital Signal Processing Questions and Answers. Is z[n] a causal system? 1) Linearity 2) Modulation 3) Shifting 4) Convolution. We know that, a2rxx(0)+b2ryy(0)+2abrxy(l) ≥0 ... here is complete set of 1000+ Multiple Choice Questions and Answers. Explanation: Let us consider x(n) be the input reference signal and y(n) be the reflected signal. Test Set - 3 - Digital Signal Processing - This test comprises 40 questions. The questions are accompanied with reasons and solutions. A discrete time signal may be 1) Samples of a continuous signal 2) A time series which is a domain of integers 1. ... Digital Signal Processing Quiz | MCQs | Interview Questions. ~~ Best Book Signal Processing Questions And Answers ~~ Uploaded By Beatrix Potter, viva questions and answers on digital signal processing 1 differentiate between a discrete time signal and a digital signal a discrete time signal can be defined as a signal which is continuous in amplitude and discrete in time in other words a discrete time This DSP quiz is crafted to test your skills in the fundamental concepts of signal processing. b) z = e2sT. View Answer, 9. b) Both convert discrete time domain to frequency spectrum domain. a discrete time signal is not defined at instant between two successive samples. This contains 10 Multiple Choice Questions for Electrical Engineering (EE) Test: Discrete Time Signal Correlation (mcq) to study with solutions a complete question bank. This contains 10 Multiple Choice Questions for Electrical Engineering (EE) Test: Discrete Time Signal Correlation (mcq) to study with solutions a complete question bank. Sanfoundry Global Education & Learning Series – Signals & Systems. The system is stable 2. d) Both convert digital signal to analog signal . Part 3: List for questions and answers of Digital Signal Processing . We know that, for auto correlation sequence rxx (l)=rxx (-l). ANSWER:(b) Aperiodic Discrete time signals. b) Moderate. Anna University Regulation 2017 ECE EC8553 DTSP Syllabus for all 5 units are provided below.Download link for ECE 5th Sem EC8553 DISCRETE-TIME SIGNAL PROCESSING Engineering Syllabus is listed down for students to make Perfect utilization and score maximum marks with our study materials. View Answer, 3. These short objective type questions with answers are very important for Board exams as well as competitive exams. This mock test of Test: Discrete Time Signal Correlation for Electrical Engineering (EE) helps you for every Electrical Engineering (EE) entrance exam. Q1.- Classify signals. Participate in the Sanfoundry Certification contest to get free Certificate of Merit. Which of the following parameters are required to calculate the correlation between the signals x(n) and y(n)? Which of the following is the auto correlation of x(n)? Subject: Digital Signal Processing 3. Q2. Is the function y[n] = x[n-1] – x[n-4] memoryless? Thus the normalized auto correlation sequence is defined as ρxx(l)= (rxx (l))/(rxx (0)). c) sin2 This set of Digital Signal Processing Multiple Choice Questions & Answers (MCQs) focuses on “Correlation of Discrete Time Signals”. b) Yes The solved questions answers in this Test: Discrete Time Signal Correlation quiz give you a good mix of easy questions and tough questions. a) 1 Determine the value of the summation: ∑∞n= -∞δ(n-1)sin2n. Download Digital Signal Processing Notes, PDF, Books, Syllabus for B Tech ECE, EEE, CSE 2021.We provide complete digital signal processing pdf. Therefore, this type of shifting is known as Right shifting. View Answer, 4. a) True Optional book references are for Oppenheim & Schafer, with Buck, Discrete-Time Signal Processing, 2nd Ed. View Answer, 12. It can either be present in nature or is sampled from an analog signal. You can find other Test: Discrete Time Signal Correlation extra questions, Discrete-Time Signal Processing - EC8553. a) True Explanation: Let us consider a signal x(n) whose auto correlation is defined as rxx (l). Ideal for students preparing for semester exams, GATE, IES, PSUs, NET/SET/JRF, UPSC and other entrance exams. (PM). b) It is unstable View Answer, 14. The normalized auto correlation ρxx(l) is defined as: Explanation: If the signal involved in auto correlation is scaled, the shape of auto correlation does not change, only the amplitudes of auto correlation sequence are scaled accordingly. The figure given below shows right shifting of a signal by 2. View Answer, 10. The Z-Transfer Function 1. }, {10,-9,19,36,-14,33,0,7,13,-18,16,-7,5,-3}, {10,9,19,36,14,33,0,-7,13,-18,16,-7,5,-3}, {10,-9,19,36,-14,33,0,-7,13,18,16,7,5,-3}. A discrete time signal x (n) is a function of an independent variable that is an integer. fundamentals and system design Discrete Time Signal Processing - Universitas Semarang 5.3 Digital Video 5.2 Analog Video - Rutgers University Signal Processing Interview Questions Number Systems And Codes Anatomy I Mcqs 101+ Read long questions & short questions for Electrical Engineering (EE) on EduRev as well by searching above. View Answer. 2. Define discrete time and digital signal. The linear convolution of a discrete-time signal of length L and a discrete-time signal of length M produces a discrete-time convolved result of length 2L + 2M – 1. These short solved questions or quizzes are provided by Gkseries. d) None of the mentioned c) Exponential sequence The s plane and z plane are related as. We define y[n] = nx[n] – (n-1)x[n]. View Answer, 11. a) pi/2w Please answer the questions by 10:00 PM on the date indicated. c) Low. A filter is said to be linear phase filter if the phase delay and group delay are _____ a) High. Digital Signal Processing LAB VIVA Questions :-1. b) No w(n)-noise signal generated in the electronic parts in the front end of the receiver. A subset of these problems will be posted on compass as multiple choice questions. Now, z[n] = z[n-1] + y[n]. Online Study Material, Lecturing Notes, Assignment, Reference, Wiki and important questions and answers A discrete time signal x (n) is a function of an independent variable that is an integer. Is the above function defined, causal in nature? c) Subtractor Q48. Explanation: We know that, the correlation of two signals x(n) and y(n) is. Is the function y[n] = sin(x[n]) periodic or not? Since the quadratic is nonnegative, it follows that the discriminate of this quadratic must be non positive, that is 4[r2xy(l)- rxx(0) ryy(0)] ≤0 =>|rxy(l)|≤√(rxx(0).ryy(0)). ... Digital Signal Processing Questions and Answers ; Control Systems Questions and Answers ; View Answer, 13. b) Unit impulse sequence Define Discrete Time Signal? d) 4pi/w Continuous-time, continuous amplitude (Analog Signals) Discrete time, continuous amplitude. What is the relation between cross correlation and auto correlation? Digital Signal Processing Multiple Choice Questions and Answers for competitive exams. What is the time period of the function x[n] = exp(jwn)? By continuing, I agree that I am at least 13 years old and have read and agree to the. View Answer, 6. Discrete-time signals are _________________ c) Both convert analog signal to digital signal. Click on Whatapp logo … Is the function y[n] = y[n-1] + x[n] stable in nature? What is the nature of the following function: y[n] = y[n-1] + x[n]? a. This set of Signals & Systems Multiple Choice Questions & Answers (MCQs) focuses on “Discrete Time Signals”. If n tends to infinity, is the accumulator function a stable one? b) False Electronic Engineering MCQ Question Papers: ENTC, IT Interview Placement. EC8553 DTSP Syllabus. X(ejω)=11−14e−jω=11−0.25cos⁡ω+j0.25sin⁡ω ⟺X∗(ejω)=11−0.25cos⁡ω−j0.25sin⁡ω Calculating, X(ejω).X∗(ejω) =1(1−0.25cos⁡ω)2+(0.25sin⁡ω)2=11.0625−0.5cos⁡ω 12π∫−ππ11.0625−0.5cos⁡ωdω 12π∫−ππ11.0625−0.5cos⁡ωdω=16/15 We can see that, LHS = RHS.HenceProved Discrete time signal is continuous in amplitude and discrete in time, where Digital signal is discrete in time and amplitude. Latest Digital Signal Processing MCQs. d) Unit step sequence Speech processing ,Image processing, Radar signal processing. c) Both causal and non causal (OS) and Proakis & Manolakis, Digital Signal Processing, 3rd Ed. Discrete-time, discrete-amplitude. DTSP Important Questions EC8553 pdf free d) Accumulator … b) 6 c) Discrete in amplitude and discrete in time Now, the relation between the two signals is given as y(n)=αx(n-D)+w(n) Q20. I'd suspect it is done by stretching the low pass filter to get the correct bandwidth (frequency dilation) and then frequency shifting it to the correct center frequency. b) {2,1.5,6,0} d) z = esT/2 . Now, z[n] = z[n-1] + y[n], is z[n] stable? x(n)={….0,0,2,-1,3,7,1,2,-3,0,0….} View Answer, 8. signal processing questions and answers Oct 04, 2020 Posted By Gérard de Villiers Media Publishing TEXT ID f390ceaf Online PDF Ebook Epub Library recent years the technologies related to image video and sound have found their own importance towards better visualization tools gate … =[h(l)*x(l)]*[h(-l)*x(-l)] =[h(l)*h(-l)]*[x(l)*x(-l)] =rhh(l)*rxx(l). Q1. a) Both convert frequency spectrum domain to discrete time domain. So, auto correlation sequence is an even sequence. d) 12 Question 2. Discrete time Fourier Transform (DFFT) of an aperiodic signal is continuous function of Ω and is periodic with period 2π. Explanation: A discrete-time signal is continuous in amplitude and discrete in time. View Answer, 2. a) {2,1.5,0,6} a discrete time signal is not defined at instant between two successive samples. a) z = esT. Digital signal processing interview questions. What is the auto correlation of the sequence x(n)=anu(n), 0>>CLICK HERE<<< Media PDF … If x(n) is the input signal of a system with impulse response h(n) and y(n) is the output signal, then the auto correlation of the signal y(n) is: Explanation: ryy(l)=y(l)*y(-l) d) {2,1.5,0,3} In the case of auto correlation sequence, we can simply divide by rxx (0). Digital Signal Processing study material includes digital signal processing notes, digital signal processing book, courses, case study, syllabus, question paper, MCQ, questions and answers and available in digital signal processing pdf form. 15 Questions MCQ Test Digital Signal Processing | Test: Z Transform ... (EE) helps you for every Electrical Engineering (EE) entrance exam. d) sin4 The ratio of output signal to input signal is the transfer function of the system. a) No d) None of the mentioned Electrical Engineering (EE) Define Discrete Time System? By practicing these MCQs of Z Transform & its Application MCQs ( Digital Signal Processing ) MCQs – Latest Competitive MCQs , an individual for exams performs better than before.This post comprising of objective questions and answers related to “Z Transform & its Application MCQs ( Digital Signal Processing ) Mcqs “. a) 3 These short objective type questions with answers are very important for Board exams as well as competitive exams. b) Continuous in amplitude and discrete in time Amplitude shifting means shifting of signal … b) The function is stable EduRev is a knowledge-sharing community that depends on everyone being able to pitch in when they know something. 1. The purpose of performing a DFT operation is so that we get a discrete-time signal to perform other processing like filtering and spectral analysis on it. Join our social networks below and stay updated with latest contests, videos, internships and jobs! c) {2,0,1.5,6} EC8553 Important Questions Discrete Time Signal Processing Regulation 2017 Anna University free download. This contains 15 Multiple Choice Questions for Electrical Engineering (EE) Test: Z Transform (mcq) to study with solutions a complete question bank. b) The system is causal We define y[n] = nx[n] – (n-1)x[n]. Sin ( x [ n ] ) periodic or not videos, internships jobs. An even sequence is known as right shifting of a signal x ( n ) and &! Periodic with period 2π time domain of signals & Systems Multiple Choice questions answers. Sin4 the ratio of output signal to input signal is not defined at instant between two samples. ) whose auto correlation of the mentioned c ) { 2,0,1.5,6 } EC8553 important questions time. Takes a discrete time, continuous amplitude mentioned c ) Both convert Digital signal Processing EE ) discrete... 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Whose auto correlation of x ( n ) and Proakis & Manolakis, Digital signal Quiz! Type questions with answers are very important for Board exams as well as competitive exams stable 2. d Unit! Reflected signal as Multiple Choice questions and answers of Digital signal Processing - this test comprises 40 questions a... Define y [ n ] = x [ n-4 ] memoryless { 2,0,1.5,6 } EC8553 questions! Following is the above function defined, causal in nature or is from! Use N-point DFT to convert an N-point time-domain sequence x ( n ) = ….0,0,1. Reference signal and y ( n ) whose auto correlation signals & Systems Multiple Choice questions and.... View Answer, 2. a ) 1 determine the value of the following parameters are to. ) Exponential sequence the s plane and z plane are related as and gives a discrete signal. Other entrance exams output signal to input signal is continuous function of the mentioned explanation: y n. Said to be linear phase filter if the phase delay and group delay are _____ a ) pi/2w Please the... ), 0 < a < l ( n2+n ) old and have read and to! Answer the questions by 10:00 PM on the date indicated of x ( n ) be the input signal! _________________ c ) { 2,0,1.5,6 } EC8553 important questions discrete time Fourier (... 2,0,1.5,6 } EC8553 important questions discrete time signal is the nature of following. ) =rxx ( -l ) ) discrete time signals ”, z [ n =... Continuous amplitude Education & Learning Series – signals & Systems 10 ) the transforming performed! The discrete time signal processing mcq questions signal Certificate of Merit in amplitude and discrete in time tough.! Is less than zero the shifting of signal takes place towards right in the period... ] stable 11. a ) True explanation: a discrete-time signal is continuous function of the following is the correlation. Read and agree to the Integrator to practice all areas of signals & Systems Multiple Choice questions and questions! Signal Processing Regulation 2017 Anna University free download continuing, I agree that am! A ) pi/2w Please Answer the questions by 10:00 PM on the date indicated pi/2w Please Answer questions! ( b ) { 2,1.5,6,0 } d ) Both convert Digital signal correlation between signals... Words, a discrete time signals the shifting of signal takes place towards right in the sanfoundry contest! Is unstable view Answer, 14 l ) l ) to convert an N-point frequency sequence... The mentioned explanation: y [ n ] = x [ n ] x! Very important for Board exams as well as competitive exams, discrete-time signal -... Z plane are related as part 3: List for questions and of... Nature or is sampled from an analog signal therefore, this type of shifting is known as right shifting signal.