具有尾翼的復(fù)雜導(dǎo)彈模型超寬帶散射特性分析

周新鵬; 魏國(guó)華; 吳嗣亮; 王旭; 王達(dá)偉

doi:10.11999/JEIT141238

具有尾翼的復(fù)雜導(dǎo)彈模型超寬帶散射特性分析

doi: 10.11999/JEIT141238

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出版歷程
- 收稿日期: 2014-09-23
- 修回日期: 2015-05-08
- 刊出日期: 2015-08-19

Analysis on Ultra-wideband Scattering Characteristics of Complex Missile with Empennages

摘要

摘要: 為了滿足對(duì)復(fù)雜導(dǎo)彈測(cè)量和檢測(cè)的需要，該文建立了具有尾翼的復(fù)雜導(dǎo)彈模型，研究在極窄脈沖照射條件下該導(dǎo)彈目標(biāo)散射特性。利用時(shí)域有限差分(Finite-Difference Time Domain, FDTD)法計(jì)算該導(dǎo)彈模型的瞬時(shí)散射回波，分析遠(yuǎn)場(chǎng)電磁波不同入射條件下導(dǎo)彈散射回波特性及近場(chǎng)不同轉(zhuǎn)角條件下導(dǎo)彈瞬時(shí)散射回波特性。通過(guò)對(duì)該導(dǎo)彈瞬時(shí)散射回波特性分析，得出了目標(biāo)散射中心的成因及散射波形特點(diǎn)，在雷達(dá)應(yīng)用領(lǐng)域具有一定的理論參考價(jià)值。
- 電磁散射 /
- 沖激脈沖 /
- 有限時(shí)域差分法 /
- 導(dǎo)彈模型 /
- 尾翼
Abstract: In order to meet the requirement for measurement and detection of complex missile targets, a complex missile model with empennages is established and its scattering characteristics are studied under the conditions of the missile irradiated by extremely short pulse. Transient scattering echoes of the missile model are calculated using Finite-Difference Time Domain (FDTD) algorithm. The characteristics of the missile scattering echoes are analyzed at different incident angle conditions in far field and at different rotational angle of the missile in near field. These analyses on the scattering echo characteristics reveal the causes of the missile scattering centers and characteristics of scattering waveforms, which can provide theoretical reference in radar application.
- Electromagnetic scattering /
- Impulse pulse /
- Finite-Difference Time Domain (FDTD) algorithm /
- Missile model /
- Empennage

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