1. Signals
and Systems
2. Defining Signals and Systems
3. State _space model
4. Composing state machines
5. Linear systems
6. Frequency Domain
7. Frequency Response
8. Filtering
9. The Four Fourier transforms
10. Sampling and reconsruction
Appendix A. Sets and functions
Appendix B. Complex numbers
Appendix C. Leboratory Exercises
