UHF和S波段雷达照射下发动机雷达截面和近场数字模型

2018 15th European Radar Conference (EuRAD) Pub Date : 2018-09-01 DOI:10.23919/EURAD.2018.8546641

S. Tuan, Shen Shou Max Chung

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引用次数: 1

摘要

射频隐身是先进战斗机的重要特征，而发动机是一个较大的散射源。本文给出了某型战斗机发动机的数字样机，利用多电平快速多极子方法(MLFMM)对其UHF和S波段雷达截面(RCS)进行了仿真，并绘制了发动机内部近场图。结果表明，该雷达的s波段RCS可高达20 dBsm，近场图显示，即使在400 MHz的频率下，雷达波也能通过发动机。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Radar Cross Section and Near Field of an Engine Digital Mock-up under UHF and S Band Radar Illumination

RF stealth is an important feature of advanced fighters, and the engine represents a large scattering source. In this paper we present a digital mock-up of a fighter jet engine, and simulate its radar cross section (RCS) in UHF and S band with multi-level fast multipole method (MLFMM), and plot its near fields inside the engine. We found the boresight S-band RCS can be as high as 20 dBsm, and the near field plots indicate radar wave can transmit through the engine even at 400 MHz.

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2018 15th European Radar Conference (EuRAD)

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