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Session 3420

The Incredible Hulk and Other Techniques for Teaching Waveform Demodulation

Thad B. Welch Department of Electrical and Computer Engineering U.S. Naval Academy, MD

Robert F. Kubichek Department of Electrical and Computer Engineering University of Wyoming, WY

Abstract

The University of Wyoming has introduced a 2 contact hour undergraduate/graduate course entitled, “Communications Measurement Laboratory.” This new course was designed to reinforce student knowledge of their course work in signals and systems, digital and analog communication systems, and digital signal processing. The primary course objectives were to familiarize students with vector signal analysis and develop a thorough understanding of I and Q-based demodulation techniques. This paper provides an overview of this course and describes student projects that utilize a vector signal analyzer (VSA) to detect, localize, and record decimated I and Q data as would be available at the output of an intermediate frequency (IF) analog-to-digital converter (ADC) stage of a software defined radio (SDR).

1 Introduction

The University of Wyoming has introduced a 2 contact hour undergraduate/graduate course en- titled, “Communications Measurement Laboratory.” Creating and offering this course was part of the sabbatical leave responsibilities of the first author while visiting the University of Wyoming, Laramie campus, during the fall semester of the 2004 – 2005 academic year.

This new course was designed to reinforce student knowledge of their previous course work in signals and systems, digital and analog communication systems, and digital signal processing.

The primary course objectives were to,

• Familiarize students with vector signal analysis. • Develop a thorough understanding of I and Q-based demodulation techniques.

Additionally, a great deal of familiarity with the operation of both baseband and passband vector signal analyzers (VSA’s), radio frequency (RF) signal generators, and computer assisted test and measurement were gained.

Proceedings of the 2005 American Society for Engineering Education Annual Conference & Exposition Copyright c 2005, American Society for Engineering Education

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Welch, T., & Kubichek, R. (2005, June), The Incredible Hulk And Other Techniques For Teaching Waveform Demodulation Paper presented at 2005 Annual Conference, Portland, Oregon. 10.18260/1-2--14722