A Program Incorporating Diffraction for the Computation of Radar Cross Section,
Abstract
A computer program is described that calculates the radar backscattering behavior of metallic roll symmetric bodies having one or more ring discontinuities in surface slope. The field diffracted by each surface singularity is represented by a line integral of equivalent electric and magnetic currents. The scattered field can be expressed as an integral of the physical optics currents existing over all non-diffracting portions of the surface and the equivalent currents at the singularities. However, since the equivalent currents themselves contain a physical optics component, the original currents must be modified in order to remove it. The predictions of the computer program are compared with experimental data for cones and for a typical aerospace vehicle. Though the program is almost as efficient as one using physical optics alone, the results obtained are markedly superior. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 1973
- Accession Number
- AD0768443
Entities
People
- Eugene F. Knott
- Thomas B. A. Senior
Organizations
- University of Michigan