Electromagnetic Fields Inside Waveguides And
Cavities
The waveguide and cavity program WGC has been developed to provide interactive
procedure for visualizing the electromagnetic fields inside cylindrical
waveguides and cavities using a personal computer. It is an upgrade of the
software WGVMAP which computes and displays the field lines inside waveguides
in a plane transverse to the propagating wave. In WGC, both transverse and
longitudinal field components are presented graphically, using colors and vectors
instead of field lines. The field vector representation is based on the technique
presented in [2]. With WGC the user can observe the effect of changing any of the
physical or electrical parameters on the resulting electric and magnetic field
distribution in any specified plane cut. Additionally, WGC can be used to create
movie segments or animation of the field patterns inside cavities and waveguides
using an appropriate sequencing of computed field values. The mathematical
expressions of the field components are derived from the classical solution of the
wave equation using the separation of variables technique. The executable code
of the software is available for the IBM-PC computer family, or compatible. A
VGA monitor, mouse, and postscript printer are required.
[2] D. Kajfez and J. A. Gerald,"Plotting vector fields with a personal computer",
IEEE Trans. Microwave Theory Tech, Vol. MTT-35,pp.1069-1072,November 1987.
visitor
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