近场RCS模拟再现测量条件

Jose M. Tamayo-Palau, Pascal de-Resseguier
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引用次数: 1

摘要

提出了不同的方法来模拟一个完美导电的电大物体的近场雷达截面(RCS)。这种类型的环境通常是在大型消声室的测量中发现的,在这种情况下,远场条件无法实现,因此不可能用平面波近似入射场。每种方法都将使用物理光学(PO)来实现超大目标,并使用矩量法的加速版本来实现中等大小的目标。快速MoM方法有迭代解的多级自适应交叉逼近法(MLACA)和直接解的多尺度压缩块分解法(MSCBD)。这一开发和已执行的仿真是用NEXIO公司开发的CAPITOLE-RCS商业软件完成的。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Simulation of Near Field RCS to Reproduce Measurement Condition
Different approaches are presented to simulate the near field Radar Cross Section (RCS) of a perfectly conducting electrically large object. This type of environment is usually found in measurements at large anechoic chambers where the far field condition cannot be achieved, making it impossible to approximate the incident field by a planewave. Each approach will be implemented with Physical Optics (PO) for extremely large targets and an accelerated version of the Method of Moments for moderately large objects. The fast MoM method are either the Multilevel Adaptive Cross Approximation (MLACA) for an iterative solution or the Multiscale Compressed Block Decomposition (MSCBD) for a direct solution. This development and the performed simulations have been done with CAPITOLE-RCS commercial software developed by NEXIO.
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