New Graphical Processing Technique for Fast Shadowing Computation in PO Surface Integral

被引：15

作者：

Rius, Juan M. ^{[1
]}

Carbo, Alexis ^{[1
]}

Bjerkemo, Jakob ^{[2
]}

Ubeda, Eduard ^{[1
]}

Heldring, Alexander ^{[1
]}

Mallorqui, Jordi J. ^{[1
]}

Broquetas, Antoni ^{[1
]}

机构：

[1] Univ Politecn Catalunya Barcelona Tech, Dept Signal Theory & Commun, Antenna Lab, Barcelona 08034, Spain

[2] Saab Aerosyst, SE-58188 Linkoping, Sweden

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2014年 / 62卷 / 05期

关键词：

Graphical processing; high frequency asymptotic techniques; physical optics; radar cross section (RCS);

D O I：

10.1109/TAP.2014.2307321

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a new graphical processing technique for fast computation of PO surface integral. In contrast with the original graphical processing approach introduced by the authors in 1993, the new one combines a novel shadowing computation algorithm together with the conventional facet-based Gordon's formula, instead of the pixel-based Asvestas' approximation. The resulting hybrid approach needs more CPU power for very complex radar targets, but is free from the pixel discretization noise inherent to graphical processing. It has the same accuracy as conventional Physical Optics computation, but shadowed facets detection is more than 10 times faster than with the most efficient alternative algorithms of O(N log N) computational cost.

引用

页码：2587 / 2595

页数：9

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