SPECIAL PROBLEMS IN APPLYING THE PHYSICAL OPTICS METHOD FOR BACKSCATTER COMPUTATIONS OF COMPLICATED OBJECTS

被引：90

作者：

KLEMENT, D

PREISSNER, J

STEIN, V

机构：

[1] DFVLR Oberpfaffenhofen, Wessling, Germany, DFVLR Oberpfaffenhofen, Wessling, Germany

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 1988年 / 36卷 / 02期

关键词：

RADAR - Cross Sections;

D O I：

10.1109/8.1100

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 [电气工程]; 0809 [电子科学与技术];

摘要：

The backscatter computation of complicated objects is carried by the physical optics (PO) method, known as the vector Kirchoff approximation. The object is described by a geometrical model using flat plates (panels). These panels can be nonperfectly conducting and multilayered. The PO solution for the scattering matrix of a single multilayered panel is evaluated in detail using the Fresnel reflection coefficients. An example of the computed reflection coefficient of a two-layered medium is presented. The phase integral of the PO method is solved analytically. The hidden-surface problem is discussed, and the procedure for the treatment of doubly reflecting panels is described. For an ideal conducting cube with additional surfaces that generate shadow and double-reflection effects, the computed radar cross section (RCS) is compared with measurements. Computational results of the RCS for nonperfectly conducting panels are given.

引用

页码：228 / 237

页数：10