Course Websites
ECE 520 - Electromagnetic Waves and Radiating Systems
Last offered Fall 2024
Official Description
Related Faculty
Subject Area
- Electromagnetics, Optics and Remote Sensing
Course Director
Description
Fundamental electromagnetic theory with applications to transmission lines, waveguides, and antennas; introduction to the solution of advanced problems in static electric and magnetic fields.
Topics
Field equations: definitions of field vectors: E, B, D and H. Lorentz force relation; electrical and magnetic polarizations and constitutive parameters; electric and magnetic currents and conductivity parameters; boundary conditions at the interface between two media and across surface currents; Poynting theorem in real and complex forms and energy relations; complex permittivity and permeability
Plane wave: in homogeneous media: reduction to vector Helmholtz equation; separation of variables; uniform and nonuniform plane waves; wave impedance; reflection and refraction at oblique incidence; fields of infinite current sheets; polarization properties of waves
Fields in waveguides: dispersion; phase, group and energy velocities; attenuation; resonant cavity; inhomogeneously filled waveguides; transverse resonance
Antennas: dipoles; radiation patterns; approximate analysis of some antennas
- The field equations: definitions of field vectors, E, B, D, and H. Lorentz force relation; electric and magnetic polarizations and the constitutive parameters (epsilon, mu); electric and magnetic currents and conductivity parameters; boundary conditions at the interface between two homogeneous regions and across surface currents; Poynting theorem in real and complex forms and energy relations including dissipation; (complex epsilon and mu)
- Plane waves in homogeneous media: reduction to vector Helmholtz equation; separation of variables; uniform and nonuniform (slow) plane waves; wave impedance; reflection and refraction at oblique incidence; fields of infinite current sheets; polarization properties of waves
- Fields in waveguides; propagation of plane waves in stratified media: dispersion; phase, group and energy velocities; attenuation in guides; resonant cavity fields and Q; inhomogeneously-filled guides; transverse resonance
- Fields in space due to given sources: vector potential; fields of electric and magnetic dipoles (Green's functions); superposition integrals in infinite domain; reciprocity theorem
- Antennas: radiation pattern, approximate analyses of slot, horn, lens and reflector antennas
Detailed Description and Outline
Topics:
Field equations: definitions of field vectors: E, B, D and H. Lorentz force relation; electrical and magnetic polarizations and constitutive parameters; electric and magnetic currents and conductivity parameters; boundary conditions at the interface between two media and across surface currents; Poynting theorem in real and complex forms and energy relations; complex permittivity and permeability
Plane wave: in homogeneous media: reduction to vector Helmholtz equation; separation of variables; uniform and nonuniform plane waves; wave impedance; reflection and refraction at oblique incidence; fields of infinite current sheets; polarization properties of waves
Fields in waveguides: dispersion; phase, group and energy velocities; attenuation; resonant cavity; inhomogeneously filled waveguides; transverse resonance
Antennas: dipoles; radiation patterns; approximate analysis of some antennas
- The field equations: definitions of field vectors, E, B, D, and H. Lorentz force relation; electric and magnetic polarizations and the constitutive parameters (epsilon, mu); electric and magnetic currents and conductivity parameters; boundary conditions at the interface between two homogeneous regions and across surface currents; Poynting theorem in real and complex forms and energy relations including dissipation; (complex epsilon and mu)
- Plane waves in homogeneous media: reduction to vector Helmholtz equation; separation of variables; uniform and nonuniform (slow) plane waves; wave impedance; reflection and refraction at oblique incidence; fields of infinite current sheets; polarization properties of waves
- Fields in waveguides; propagation of plane waves in stratified media: dispersion; phase, group and energy velocities; attenuation in guides; resonant cavity fields and Q; inhomogeneously-filled guides; transverse resonance
- Fields in space due to given sources: vector potential; fields of electric and magnetic dipoles (Green's functions); superposition integrals in infinite domain; reciprocity theorem
- Antennas: radiation pattern, approximate analyses of slot, horn, lens and reflector antennas
Topical Prerequisites
It is assumed that the student has a basic knowldge of vector analysis, complex varibles, Maxwell's equations and uniform plane waves.
Texts
J. M. Jin, Theory and Computation of Electromagnetic Fields. Hoboken, NJ: John Wiley & Sons, 2010.
Recommended:
C. Balanis, Advanced Engineering Electromagnetics, John Wiley & Sons.