EE310 - Spring 2013 - Midterm Exam # 2 Friday‚ March 29th‚ 10am - 10:50 am Instructions: • This examination is closed book‚ closed notes‚ and calculators/cellphones/laptops etc cannot be used. By signing this document‚ you are pledging to adhere to the honor system stating that all work performed here is strictly your own effort. • • Limited partial credit given for some problems. Check your answers carefully for arithmetic mistakes. • • List all assumptions‚ show all work and
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points] Consider a linear time-invariant (LTI) system with impulse response h(t) whose Fourier transform is H(f ) = ∧(f ). Recall that ∧(f ) is non-zero only from f = −1 to f = +1. Find the output of the system if the input is: (a) x(t) = sin 0.5πt Solution: ∧(0.25) sin 0.5πt = 0.75 sin 0.5πt (b) x(t) = cos 10πt Solution: ∧(5) cos 10πt = 0 Question 2: [6 points] An input signal x(t) = sinc (4t) is applied to to an LTI system with impulse response h(t) = sinc (6t). Let the output of the LTI system is y(t)
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________________________________________________________________________________ TRANSFER FUNCTIONS AND BLOCK DIAGRAMS 1. Introduction 2. Transfer Function of Linear Time-Invariant (LTI) Systems 3. Block Diagrams 4. Multiple Inputs 5. Transfer Functions with MATLAB 6. Time Response Analysis with MATLAB 1. Introduction An important step in the analysis and design of control systems is the mathematical modelling of the controlled process. There are a number of mathematical representations to describe a controlled process:
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BY: B.C.SURVE/SHARATH B. ASSISTANT PROFESSOR CONTENTS: 1)Experiment 1: INTRODUCTION WITH MATLAB SOFTWARE 2) Experiment 2: GENERATION OF BASIC CONTINUES SIGNALS / BASIC DISCRETE SIGNALS 3) Experiment 3: IMPULSE RESPONSE OF AN LTI SYSTEM 4) Experiment 4: CONVOLUTION OF TWO SEQUENCE AND PROPERTIES OF CONVOLUTION 5) Experiment 5: CORRELATION- AUTOCORRELATION 6) Experiment 6: read and display digital image using MATLAB 7) Experiment 7: remove noise using spatial
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selected as input signals. A function of multi-sine with three different frequencies‚ 0.05Hz‚ 0.2Hz and 1Hz is used as the input signal. The equation is given and shows as below. Since impulse signals are hard to generate and might cause problem to the control plant‚ PRBS is introduced to mimic the behaviour of impulse signal. PRBS is also used in the experiment for system identification. PRBS is a binary sequence and considered to be similar to truly random sequence within a range of frequencies. A
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University of Denmark DK-2800 Lyngby‚ Denmark E-mail: jaj@elektro.dtu.dk Web: http://server.elektro.dtu.dk/www/jaj/field/ CONTENTS 1 Introduction 3 2 Program organization 5 3 Method of simulation 3.1 The spatial impulse response 3.2 Simulation . . . . . . . . . 3.3 Focusing and apodization . 3.4 Attenuation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Description of Matlab procedures 5.1 List of current procedures
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Sara Otto Intro to Literature (MTWR‚ 8AM) In Class Writing Assignment on “A & P” July 8‚ 2013 Professor Sullivan Word Count: 916 Impulse The short story “A & P” by John Updike is a corky and humorous read. The casual‚ self-venting‚ adolescent depiction of an absurd event that unfolded in a small town grocery store is a peculiar and yet entertaining read for all audiences. The theme of this story has to do with adolescent stressors‚ choices and consequences‚ and standing up for what one
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C H A P T E R Finite-State Machines and Pushdown Automata The finite-state machine (FSM) and the pushdown automaton (PDA) enjoy a special place in computer science. The FSM has proven to be a very useful model for many practical tasks and deserves to be among the tools of every practicing computer scientist. Many simple tasks‚ such as interpreting the commands typed into a keyboard or running a calculator‚ can be modeled by finite-state machines. The PDA is a model to which one appeals when
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Environmental Politics The Finite Earth The discourse of Limits and Survival conceives nature as an inherent limit on human activity‚ and the discourse of Prometheanism conceives nature as a malleable resource for human activity. Focusing on these different conceptions of nature‚ which discourse do you consider more persuasive? Describe the basic features of each discourse (including different versions of each)‚ assess each discourse’s strengths and weaknesses‚ and present an overall argument
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Lesson 3 Finite Automata with Output Three types of automata are studied in Formal Language Theory. * Acceptor The symbols of the sequence s(1) s(2) … s(i) … s(t) are presented sequentially to a machine M. M responds with a binary signal to each input. If the string scanned so far is accepted‚ then the light goes on‚ else the light is off. A language acceptor * Lesson 3 employs the treatment of this subject as found in Machines‚ Languages‚ and Computation
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