Signals & Systems  
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Fall 2003 - 40242

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82-7-1

Happy New Semester.

Introduction to Signal & Systems:
Concept of signals & systems arise in a wide variety of fields including: communications, circuit design, acoustic, biomedical engineering, speech processing, image processing, and the forth. A signal represents the changes of a physical phenomenon (quantity) as a function of independent variables (usually time). In other words, signals are functions of one or more independent variables that contain information about behavior or nature of some phenomenon.
A system is defined as a physical devise that performs an operation on a signal.
...see Powerpoint file in Downloads page.

 

  ahangari@ce.sharif.edu