This text investigates the fundamental principles of signals and systems required for undergraduate students to establish a robust foundation for advanced study in electrical and computer engineering. Sanjit K. Mitra, a professor emeritus at the University of California, Santa Barbara, utilizes his extensive academic background to curate a curriculum that prioritizes practical application over theoretical abstraction. The book argues that by focusing on signals and systems frequently encountered in professional practice, students can more effectively master the essential mathematical and analytical tools of the discipline.

Experts and educators frequently highlight this text for its accessible prose and its deliberate avoidance of overly artificial mathematical constructs. Students and instructors often note that the book serves as a highly effective foundational resource for those transitioning into more specialized areas of electrical engineering.