PROBE INTO TEACHING METHODS OF ESTABLISHING SPECTRUM CONCEPT
Liu Chunli · Journal of Chaohu College · 2011
Spectrum analyzing is basic theory of the course of signal and systems.It plays an important role in communications,cybernetics and metrology.This article proposes a teaching method of establishing spectrum analyzing concept.This method utilizes the related knowledge of the former courses,such as circuit analysis and electronic technology,gives physical significance of spectrum step by step through physical circuit or signal,and finally gives the mathematical method for analyzing spectrum.This method can help students to realize physical interpretation of spectrum profoundly,also gets results in teaching.