Polarizability of some small apertures
Abstract
Basic integral equations applicable to electrostatic and magnetostatic problems are reviewed, with emphasis on measurements of the electric and magnetic polarizability of some standard apertures. Digital computer solutions are run for four aperture shapes: rectangle, rectangle with rounded edges, diamond, and cross. Results are compared to the empirical data reported by Cohn (1951, 1952) for the polarizabilities of two aperture shapes, rectangles with straight and with rounded ends; agreement is to within 1-2%. The technique is also applied to measurement of penetration of an acoustic wave through an aperture.
- Publication:
-
IEEE Transactions on Antennas and Propagation
- Pub Date:
- March 1977
- DOI:
- 10.1109/TAP.1977.1141568
- Bibcode:
- 1977ITAP...25..198D
- Keywords:
-
- Acoustic Propagation;
- Apertures;
- Electromagnetic Wave Transmission;
- Polarization Characteristics;
- Wave Diffraction;
- Computer Techniques;
- Electric Conductors;
- Electromagnetic Fields;
- Integral Equations;
- Screen Effect;
- Walls;
- Communications and Radar