CBS3DS雷达截面分析工具界面开发与修改

Proceedings IEEE Southeastcon '98 'Engineering for a New Era' Pub Date : 1998-04-24 DOI:10.1109/SECON.1998.673307

M. Telep, C. Christodoulou

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引用次数: 0

摘要

cbdsds是一种雷达截面(RCS)分析工具，用于计算无限地平面上空腔背面孔径或缝隙的后向散射RCS。该程序实现了混合有限元法和矩量法技术，可以分析任意形状的三维腔或槽填充不均匀，有损耗的材料。CBS3DS需要两个数据文件来定义问题的几何形状和介质的电气特性。本文介绍了FEMAP有限元建模器与修改后的CBS3DS程序之间的接口开发。Fmpp5。m是为了克服FEMAP的局限性而开发的MATLAB m文件，可以生成CBS3DS所需的数据文件。Fmpp5。m从FEMAP提供的六面体网格中产生四面体网格，并为腔或槽内的元件分配电气特性。Fmpp5。m写入CBS3DS的几何输入数据文件，该文件包括节点的坐标，形成每个四面体体积元和三角形表面元的节点的识别，以及三角形元素的分离成属于完美电导体(PEC)表面或孔的组。

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Interface development and modification of CBS3DS radar cross section analysis tool

CBS3DS is a radar cross section (RCS) analysis tool used to compute the backscattering RCS of a cavity backed aperture or slot in an infinite ground plane. The programs implement the hybrid finite element method and method of moments techniques and can analyze arbitrarily shaped three-dimensional cavities or slots filled with inhomogeneous, lossy materials. CBS3DS requires two data files defining the geometry of the problem and the electrical characteristics of the medium. This paper presents the development of an interface between the FEMAP finite element modeler and the modified CBS3DS programs. Fmpp5.m is a MATLAB m-file developed to overcome the limitations of FEMAP for this purpose and produce the required data files for CBS3DS. Fmpp5.m produces tetrahedral meshing from the hexahedral meshing provided by FEMAP and assigns electrical characteristics to the elements within the cavity or slot. Fmpp5.m writes the geometry input data file for CBS3DS which includes the coordinates of the nodes, the identification of nodes forming each tetrahedral volume element and triangular surface element, and the segregation of triangular elements into groups belonging to perfect electric conductor (PEC) surfaces or apertures.

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Proceedings IEEE Southeastcon '98 'Engineering for a New Era'

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