A tool for predicting the radar cross section of an arbitrary trihedral corner
Abstract
Trihedral corners are common on military targets such as ships and ground vehicles, but there has been no routine method for predicting the contributions from corners whose faces are not mutually perpendicular. In the proposed method, the corner faces must be polygonal but may be oriented at arbitrary angles to each other. The first one or two internal reflections of the incident wave are traced by the rules of geometrical optics, and physical optics is used to predict the return from the final reflection. A significant step is the determination of the outline of a surface patch receiving rays reflected from the other faces.
- Publication:
-
SOUTHEASTCON 1981; Proceedings of the Region 3 Conference and Exhibit
- Pub Date:
- March 1981
- Bibcode:
- 1981ieee.conf...17K
- Keywords:
-
- Geometrical Optics;
- Physical Optics;
- Prediction Analysis Techniques;
- Radar Cross Sections;
- Radar Echoes;
- Target Recognition;
- Algorithms;
- Electromagnetic Scattering;
- Far Fields;
- Green'S Functions;
- Pattern Recognition;
- Polygons;
- Communications and Radar