Recent improvements in asymptotic RCS calculations of large complex targets
C Blaauw - 2018 International Workshop on Computing …, 2018 - ieeexplore.ieee.org
2018 International Workshop on Computing, Electromagnetics, and …, 2018•ieeexplore.ieee.org
This paper investigates the improvement in accuracy and efficiency of the ray-launching
geometrical optics method, as implemented in different versions of FEKO, and shooting-and-
bouncing-rays with physical optics method, as implemented in SigmaHat, to calculate the
radar cross section (RCS) of a large complex model airframe. A scale model Boeing 707
(106λ) and accurately scanned CAD model is utilized for this study. The investigation is
conducted by comparing the calculated RCS to measured data, obtained in a compact …
geometrical optics method, as implemented in different versions of FEKO, and shooting-and-
bouncing-rays with physical optics method, as implemented in SigmaHat, to calculate the
radar cross section (RCS) of a large complex model airframe. A scale model Boeing 707
(106λ) and accurately scanned CAD model is utilized for this study. The investigation is
conducted by comparing the calculated RCS to measured data, obtained in a compact …
This paper investigates the improvement in accuracy and efficiency of the ray-launching geometrical optics method, as implemented in different versions of FEKO, and shooting-and-bouncing-rays with physical optics method, as implemented in SigmaHat, to calculate the radar cross section (RCS) of a large complex model airframe. A scale model Boeing 707 (106λ) and accurately scanned CAD model is utilized for this study. The investigation is conducted by comparing the calculated RCS to measured data, obtained in a compact range, using angular RCS graphs and ISAR imaging. Interesting results are obtained and some clear improvements can be observed in the accuracy as well as efficiency of the methods.
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