Location:Training / Hot Applications / Wireless Communication / Signals and Systems (Xidian Premium Course) / Chapter 4 Section 7

"Signals and Systems " is an important compulsory basic course (public platform basic course) for more than 20 undergraduate majors in Xidian University . In 2013 , the course was transformed and upgraded to a national quality course resource sharing course . The course focuses on three important issues: basic signals and their phases, signal decomposition, and LTI system analysis methods, striving to highlight analysis methods and principles. The scientific method of analogy between "continuous" and "discrete" is used to advance the evolution of knowledge in an orderly manner from the time domain, frequency domain to the transform domain, making the content more systematic and logical.