01_signal and systems

01_signal and systems - ELEC211 Signals and Systems Fall...

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1 Chapter 1 AKW Fall 2009 Fall 2009 Lecturer: Albert K. Wong Office: Room 2455 Tel: 2358 7065 Email: [email protected] ELEC211: Signals and Systems
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2 Chapter 1 AKW Fall 2009 Textbook: A. V. Oppenheim, et. al., Signals and Systems ,2 nd edition, Prentice-Hall, 1997 Syllabus: Chapter 1 to 8 of the above text. We will cover four Fourier analysis transforms: Fourier Series, Discrete-Time Fourier Series, Fourier Transform, Discrete-Time Fourier Transform (FS, DTFS, DTFT, DFT). Laplace Transform and Z-Transform will be deferred to future control and digital signal processing courses. Please consult the web for details for demonstrator and TA office hours Elec211: Signals and Systems
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3 Chapter 1 AKW Fall 2009 Homework: 5 homework assignments, due mostly on Thursday at 5pm Lab: 5 laboratory assignments with prelab exercise Mid-term A 90-minute mid-term exam at 7:00-8:30pm on October 28 You should clear your calendar for this date. Grading: HW (5%), Lab (10%), Midterm (25%), and Final (60%) Your Final Grade Assignment will be based on attainment of intended learning outcomes. Exams will be structured against the intended learning outcomes. PRS: There will be several PRS-based short quizzes during lectures. The short quizzes can only improve your final grade but will not hurt it. Elec211: Signals and Systems
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4 Chapter 1 AKW Fall 2009 Chapter 1 -Why is this course essential? This course will introduce to you the basic framework for the study of “signals” and “systems” Everything we deal with can be regarded as a “system” All systems interacts with other systems through “signals” Signals and systems are fundamental to all disciplines of engineering Communication theory, circuits and systems, signal processing, speech and video processing, automation and control, …. In this course, you will find a comprehensive, consistent, and elegant set of principles for the study of Linear Time Invariant ( LTI ) . These principles are fundamental to the study of any engineering problems. Contrarily, non-linear systems are often very difficult to analyze and handle
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5 Chapter 1 Learning Outcomes - Abilities we expect You to achieve 1. To describe Basic Continuous Time and Discrete Time signals and different ways to make use of and manipulate them - Sinusoid, exponential, complex exponential, impulse, unit step, rectangular pulse/window - Time-shifting, time-scaling, decomposing, summing, multiplying, convolving, sampling 2. To list the Properties of LTI systems and to determine the output of an LTI system using: - Impulse response and the convolution sum/integral - Frequency response, and complex exponentials as eigenfunction 3. To correctly apply the appropriate Fourier transform (FS, DTFS, FT DTFT) to produce a Frequency domain representation for continuous- time/discrete-time and periodic/aperiodic signals and to relate basic operations in the time and frequency domains
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6 Chapter 1 4. To state and prove the sampling theorem as demonstration of understanding of the connections among the four Fourier transforms 5. To analyze differential and difference equations as causal LTI
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01_signal and systems - ELEC211 Signals and Systems Fall...

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