Signals and signals. system
Author oppenheim
I use the English version.
Principle and Practice of Digital Design (Digital Circuit)
Principle and Practice of Digital Design
Author John F. Weckley Stanford University
China has a Chinese version of the Machinery Industry Press.
These two books are classic textbooks (as the teacher said. . . )
Fundamentals of analog circuits
Introduction to analog electronic circuits
As for advanced mathematics, it seems to be the general name of several courses.
have
Calculus (calculus)
Linear algebra (linear algebra)
Probability and statistics (probability theory and mathematical statistics)
I have studied all the above subjects and copied them from the cover of the book.
If it's wrong, I'm helpless. .