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Associative Property of convolution is, [x(n)*h1n)]*h2(n)=x(n)*[h1(n)*h2(n)], 13. Convolution is used to calculate a LTI system's response for given excitation. 0 Otherwise. Feedback is a process whereby some proportion of the output signal of a system is passed (fed back) to the input. 6) What is the best Example of Digital system? GATE ECE's Network Theory, Control Systems, Electronic Devices and Vlsi, Analog Circuits, Digital Circuits, Microprocessors, Signals and Systems, Communications, Electromagnetics, General Aptitude, Engineering Mathematics Previous Years Questions well organized subject wise, chapter wise and year wise with full solutions, provider ExamSIDE.Com Linear, stable and time-invariant. If you continue browsing the site, you agree to the use of cookies on this website. State equations: q (n+1) = A q(n) + b x(n) and y(n) = c q(n) + D x(n) 1. Bits are the binary digits like 0 and 1. (Or) It is a mathematical representation of the system Eg y(t) = t. and x(t)= sin t. 2. 28.Name the test signals used in control system the commonly used test input signals in control system are impulse step ramp acceleration and sinusoidal signals. Which one of the following systems is causal? What is zero input Response? are examples for which type of system? Ans3. 2. Input is zero for zero input response. naresh says: at . 14. The impulse response h(n) is obtained by taking inverse Z transform from the transfer function H(z). State the significance of difference equations. 10.What are the properties of convolution? The impulse response is the output produced by DT system when unit impulse is applied at the input.The impulse response is denoted by h(n). What Are The Elementary Discrete Time Signals? d) y(n)=x(2n2) d) Causal systems and linear systems 1. GATE CSE Discrete Mathematics's Mathematical Logic, Probability, Set Theory and Algebra, Combinatorics, Linear Algebra, Graph Theory, Calculus Previous Years Questions subject wise, chapter wise and year wise with full detailed solutions provider ExamSIDE.Com 26. A recursive system have the feed back and the non recursive system have no feed back.And also the need of memory requirement for the recursive system is less than non recursive system. {x(n)*[h1(n)+ h2(n)]}= [x(n)*h1(n) + x(n)*h2(n)]. UNIT I CLASSIFICATION OF SIGNALS AND SYSTEMS 1. 11) Which block of the discrete time systems requires memory in order to store the previous input? Initial conditions are considered zero for forced response.It is denoted by y (f ) (n). 20. No sensors are needed to control the variables. 1.Define Signal. Home » SIGNALS and SYSTEMS LAB VIVA Questions » 300+ TOP SIGNALS and SYSTEMS LAB VIVA Questions Answers pdf. b) Dynamic, non – linear, causal and time invariant View Answer, 5. R-mesa trading system. Completed M.Tech in Digital Electronics and Communication Systems and currently working as a faculty. Join our social networks below and stay updated with latest contests, videos, internships and jobs! 21.What is the difference between recursive and non recursive system In such cases determining the performance of the system is not possible. This set of Signals & Systems Interview Questions and Answers focuses on “System Classification and Properties – 2”. Question 2. 15) ... Top 25 Technical Support Interview Questions & Answers Top 50 Operating System Interview Questions & Answers Top 30 Data Analyst Interview Questions & Answers Top 50 Data Structures Interview Questions & Answers. The output of the system y(n) is obtained for the unit step input u(n) then it is said to be step response of the system. Aspirants who are willing to learn Signals and Systems ECE Questions and Answers in simple and easy steps must refer to this article. 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