ELEC 221

Lecture materials for the ELEC 221 Signals and Systems course at UBC.

Lecture contents

1. [2022-09-08] Overview and intro to signals and systems
2. [2022-09-13] LTI systems, impulse response and the convolution sum
3. [2022-09-15] CT complex exponential signals and the Fourier series representation
4. [2022-09-20] Properties of the CT Fourier series and the Gibbs phenomenon
5. [2022-09-22] The DT Fourier series
6. [2022-09-27] Introducing filters
7. [2022-09-29] Fun with filters
8. [2022-10-04] Introducing the Fourier transform
9. [2022-10-06] Properties of the CT Fourier transform
10. [2022-10-11] More properties of the CT Fourier transform
11. [2022-10-13] Midterm 1
12. [2022-10-18] The DT Fourier transform
13. [2022-10-20] The fast Fourier transform
14. [2022-10-25] Hands on with the 2D Fourier transform
15. [2022-10-27] Time and frequency domain analysis I
16. [2022-11-01] Time and frequency domain analysis II
17. [2022-11-03] The sampling theorem
18. [2022-11-08] CT/DT signals and sampling
19. [2022-11-15] Hands on: the Karplus-Strong algorithm
20. [2022-11-17] Amplitude modulation
21. [2022-11-22] Modulation and communication systems
22. [2022-11-24] The Laplace transform
23. [2022-11-29] The Laplace transform: properties and system analysis
24. [2022-12-01] The Laplace transform and feedback systems; introducing the z-transform
25. [2022-12-06] The z-transform