Radio Communications

3/10/2000


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Table of Contents

Radio Communications

Outline

Properties of EM Waves

Transverse EM Wave

The Electromagnetic Spectrum

Choice of Frequencies

Radio Wave Production

Dipole Antenna

Types of Modulation

Radio Wave Propagation

Ionosphere

Density versus Height

Role of the Ionosphere

Annual Sunspot Number

Radio Wave Reception

Superhetrodyne Receiver

Demodulation

Television

Radar

Author: J. C. Sprott

Email: sprott@juno.physics.wisc.edu

Home Page: http://sprott.physics.wisc.edu/