彈道目標(biāo)寬帶雷達(dá)干涉式三維成像與微動(dòng)特征提取

胡健; 羅迎; 張群; 孫玉雪; 胡超

doi:10.11999/JEIT161134

彈道目標(biāo)寬帶雷達(dá)干涉式三維成像與微動(dòng)特征提取

doi: 10.11999/JEIT161134

胡健¹,
羅迎¹,
張群¹,
孫玉雪¹,
胡超²

2.
(空軍工程大學(xué)信息與導(dǎo)航學(xué)院西安 710077) ②(信息感知技術(shù)協(xié)同創(chuàng)新中心西安 710077) ③(西安電子科技大學(xué)雷達(dá)信號(hào)處理重點(diǎn)實(shí)驗(yàn)室西安 710071)

基金項(xiàng)目:

國(guó)家自然科學(xué)基金(61571457, 61471386)，陜西省青年科技新星計(jì)劃(2016KJXX-49)

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出版歷程
- 收稿日期: 2016-10-25
- 修回日期: 2017-04-05
- 刊出日期: 2017-08-19

Three-dimensional Interferometric Imaging and Micro-motion Feature Extraction of Ballistic Targets in Wideband Radar

2.
(Institute of Information and Navigation, Air Force Engineering University, Xi&rsquo

Funds:

The National Natural Science Foundation of China (61571457, 61471386), The Youth Science and Technology Nova Program of Shaanxi Province (2016KJXX-49)

摘要

摘要: 基于微多普勒效應(yīng)理論的彈道目標(biāo)3維成像與3維微動(dòng)特征提取技術(shù)可為目標(biāo)識(shí)別，導(dǎo)彈防御提供重要特征信息。該文將干涉式逆合成孔徑雷達(dá)(InISAR)中多天線干涉處理的思想引入到彈道目標(biāo)3維成像與3維微動(dòng)特征提取研究中，將微多普勒效應(yīng)理論與多天線干涉處理技術(shù)相結(jié)合，重構(gòu)出散射點(diǎn)在各時(shí)刻的3維坐標(biāo)，實(shí)現(xiàn)彈道目標(biāo)的真實(shí)3維成像，并在此基礎(chǔ)上解算出彈道目標(biāo)的微動(dòng)參數(shù)與結(jié)構(gòu)參數(shù)。仿真實(shí)驗(yàn)驗(yàn)證了所提方法的有效性與魯棒性。
- 寬帶雷達(dá) /
- 彈道目標(biāo) /
- 干涉式3維成像 /
- 微動(dòng)特征提取
Abstract: The Three-Dimensional (3-D) imaging and 3-D micro-motion feature extraction techniques for ballistic targets based on the micro-Doppler (m-D) effect theory can provide significant information for target recognition and ballistic missile defense. The idea of multi-antenna interferometry processing from Interferometric Inverse Synthetic Aperture Radar (InISAR) is introduced into the 3-D imaging and 3-D micro-motion feature extraction of ballistic targets in the paper. Based on the integration of m-D effect theory and multi-antenna interferometry processing technology, the true 3-D image of target is obtained. The parameters of micro-motion and target structure are extracted by utilizing the reconstructed 3-D coordinates of target. Simulations are given to validate the effectiveness and robustness of the proposed algorithm.
- Wideband radar /
- Ballistic target /
- 3-D interferometric imaging /
- Micro-motion feature extraction

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參考文獻(xiàn)(20)

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