16. Modulation

By Sadasivan Puthusserypady, Technical University of Denmark, Denmark

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Published: 31 Mar 2021

© 2021 Sadasivan Puthusserypady


As you may recall, in Chapters 2 to 5, we studied about signals and systems and their representation in time and frequency domains. In this chapter, we will use these concepts to study modulation which is a very important part of radar (communication systems) and medical ultrasound scanners (biomedical systems). In such systems, the strength of the received signal is related to the object that has reflected the transmitted pulse. Most importantly, we want to illustrate how a strong foundation in signals and systems makes it very easy for us to understand the various theoretical and practical aspects of modulation.