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DEE2363 Signals And Systems by Mr. Koay Fong Thai [email_address]  ;  [email_address]
Announcement (1) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Announcement (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Dos ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Don’ts ,[object Object],[object Object],[object Object],[object Object],[object Object]
Assessment ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Less than 25%    to be barred from final exam!!
Lecture and Tutorial Schedule
Lecture Schedule with Outcome
Broad Aims ,[object Object],[object Object],[object Object]
Objectives ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Topics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Reference Books ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction to Signals (CT and DT) By Koay Fong Thai [email_address]
Topics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Introduction ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is a Signal? ,[object Object],[object Object],[object Object],[object Object]
Examples of Signals ,[object Object]
Examples of Signals (2) ,[object Object]
What is a System? ,[object Object],[object Object],[object Object]
What is a System? (2) ,[object Object],[object Object]
Examples of signals and systems ,[object Object],[object Object]
Signals Classification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signals Classification (2) – Continuous versus Discrete ,[object Object],[object Object]
Signals Classification (3) –  Analogue versus Digital (1) ,[object Object],[object Object]
Signals Classification (4) –  Analogue versus Digital (2) ,[object Object],[object Object]
Signals Classification (5) –  Periodic versus Aperiodic ,[object Object],[object Object]
Signals Classification (6) –  Periodic versus Aperiodic (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Signals Classification (7) –  Periodic versus Aperiodic (3) ,[object Object],[object Object],[object Object]
Signals Classification (6) –  Periodic versus Aperiodic (4) ,[object Object],[object Object],[object Object]
Signals Classification (6) –  Periodic versus Aperiodic (5)
Signals Classification (8) –  Periodic versus Aperiodic (6) ,[object Object]
Signals Classification (9) –  Causal vs. Noncausal vs. Anticausal ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signals Classification (10) –  Even versus Odd
Signals Classification (11) –  Even versus Odd (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signal Classification (12) –   Energy versus Power ,[object Object],[object Object],[object Object]
Size of a Signal (1) ,[object Object],[object Object],[object Object]
Size of a Signal (2) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Size of a Signal, Energy (Joules) ,[object Object],[object Object],[object Object],[object Object]
Size of a Signal, Power (Watts) ,[object Object],[object Object],[object Object],[object Object]
Example ,[object Object]
Example
Summary ,[object Object],[object Object],[object Object]
Signal Operations for CT Signals by Koay Fong Thai [email_address]
Signal Operations ,[object Object],[object Object],[object Object],[object Object],[object Object]
Signal Operations: Time Shifting ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signal Operations: Time Shifting (2) ,[object Object],[object Object]
Signal Operations: Time Shifting (3)
Signal Operations: Time Scaling ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signal Operations: Time Scaling (2)
Signal Operations: Time Scaling (3)
Signal Operations: Time Scaling (4)
Signal Operations: Time Inversion (Reversal) ,[object Object]
Signal Operations: Time Inversion (Reversal) (2)
Signal Operations: Combined Operations ,[object Object],[object Object],[object Object],[object Object]
Example ,[object Object],[object Object],[object Object]
Example (i) ,[object Object]
Example (ii) ,[object Object],[object Object]
Example (iii) ,[object Object]
Example (iv) ,[object Object],[object Object]
Signal Operations
Some Useful Signal Models by Koay Fong Thai [email_address]
Signal Models: Unit Step Function ,[object Object],[object Object]
Signal Models: Unit Step Function (2) ,[object Object],[object Object]
Signal Models: Unit Step Function (3) ,[object Object]
Signal Models: Unit Impulse Function ,[object Object],[object Object],[object Object]
Signal Models: Unit Impulse Function (2) ,[object Object],[object Object],[object Object],Graphically, it is represented by an arrow "pointing to infinity" at t=0 with its length equal to its area.
Signal Models: Unit Impulse Function (3) ,[object Object],[object Object]
Signal Models: Unit Ramp Function ,[object Object],[object Object],[object Object]
Signal Models: Example ,[object Object]
Signal Models: Example (2) ,[object Object],[object Object],[object Object]
Signal Models: Exponential Function  e st ,[object Object],[object Object],[object Object],[object Object],[object Object]
Signal Models: Exponential Function  e st  (2) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Signal Models: Exponential Function  e st  (3)
Signal Models: Exponential Function  e st  (4) ,[object Object]
Even and Odd Functions ,[object Object],[object Object]
Even and Odd Functions: Properties ,[object Object],[object Object],[object Object],[object Object]
Even and Odd Components of a Signal (1) ,[object Object],[object Object]
Even and Odd Components of a Signal (2) ,[object Object]
Signal Models: Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Sampling By Koay Fong Thai [email_address]
Sampling Theorem ,[object Object]
Sampling Theorem (2) ,[object Object],[object Object]
Sampling Theorem (3) ,[object Object],[object Object]
Sampling Theorem (4) ,[object Object],[object Object],[object Object],[object Object]
Sampling Theorem (5) ,[object Object],[object Object]
Sampling Theorem (6) ,[object Object],[object Object],(a) Overall system;  (b) x s (t) for two sampling rates. The dashed envelope represents x c (t);  (c) The output sequence for the two different sampling rates.
Sampling Theorem (7) ,[object Object]
Signal Operations for DT Signals By Koay Fong Thai [email_address]
Signal Operations ,[object Object],[object Object],[object Object],[object Object],[object Object]
Signal Operations: Time Shifting ,[object Object]
Signal Operations: Time Scaling ,[object Object],[object Object],[object Object],[object Object],[object Object]
Signal Operations: Time Scaling (2)
Signal Operations: Time Inversion (Reversal) ,[object Object]
Some Useful Signal Models By Koay Fong Thai [email_address]
Signal Models: Unit Step Function ,[object Object],[object Object]
Signal Models: Unit Impulse Function ,[object Object],[object Object]
Signal Models: DT Exponential Function   k ,[object Object],[object Object]
Signal Models: DT Exponential Function   k  (2)
Signal Models : DT Exponential Function   k  (3)
Questions and Answer  ,[object Object]

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Sns slide 1 2011