This textbook is the one the professor assigned for the entire semester.
Signals and Systems (2nd Ed) by Alan Willsky, S. Nawab and Alan Oppenheim
This textbook is the same edition used in my friend's class last year.
Signals and Systems (2nd Ed) by Alan Willsky, S. Nawab and Alan Oppenheim
What stands out about this textbook is the author's engaging writing style.
Signals and Systems by Barry Van Veen and Simon Haykin 2002 Hardcover Book
What stands out about this textbook is how it balances depth and readability.