ECE 484 - ANTENNAS AND PROPAGATION
Catalog Description: Introduction to antennas and radiowave propagation.
Prerequisites:
By course: ECE 391
By topic: Electromagnetic field theory, transmission lines, matching
networks, Fourier domain analysis, linear partial differential equations
Credits: 4 Terms Offered: Alternating years (Spring Quarter)
Instructors:
Primary: A. Weisshaar
Secondary: R. Settaluri
Text: Class notes
Cheng, David. K., Field and Wave Electromagnetics, 2nd Ed., Addison-Wesley,
Reading MA, 1989.
Course Learning Objectives:
- Identify basic antenna parameters (ABET Outcomes: a, e, m)
- Design and analyze wire and aperture antennas. (ABET Outcomes: a, c, e,
m)
- Design and analyze matching and feeding networks for antennas. (ABET Outcomes:
a, c, e, m)
- Design and analyze antenna arrays. (ABET Outcomes: a, c, e, m)
- Analyze wireless transmit-receive systems. (ABET Outcomes: a, e, m)
- Identify the characteristics of radio-wave propagation. (ABET Outcomes:
a, e, m, l)
Topics
- Introduction: design issues, examples of typical antennas.
- Fundamentals of electromagnetic radiation: Maxwell's equations, potential
functions, wave equation, retarded potential, short current element, near
and far fields, Poynting's theorem.
- Basic antenna parameters: radiated power, radiation resistance, radiation
efficiency, input impedance, radiation pattern, directivity and gain.
- Design of simple wire antennas: linear dipole, /2-dipole, folded dipole,
monopoles, loaded dipoles.
- Design of matching and feeding networks: quarter-wave transformer, series
section transformer, stub matching, lumped element networks, feed point location,
delta- and T-match, baluns.
- Design of antenna arrays: principle of pattern multiplication, broadside
and endfire arrays, array synthesis, coupling effects and mutual impedance,
parasitic elements, Yagi-Uda antenna.
- Design of aperture-type antennas: rectangular aperture, circular aperture,
horn antenna, reflector antennas, microstrip patch antennas.
- Properties of receiving antennas: reciprocity, effective antenna area, radar
cross section.
- Transmit-receive system: Friis transmission formula, radar.
- Radio-wave propagation: ground effects, reflections, diffraction, scattering,
multipath propagation, fading.
Structure: Two 100-minute lectures/week. Homework: 15%, Projects 35%,
Mid-term: 25%, Final: 25%.
Original: 1/02
Revised: