基于HRRP序列的中段目標(biāo)二維幾何特征反演方法

徐少坤; 劉記紅; 袁翔宇

doi:10.11999/JEIT161303

基于HRRP序列的中段目標(biāo)二維幾何特征反演方法

doi: 10.11999/JEIT161303

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出版歷程
- 收稿日期: 2016-12-08
- 修回日期: 2017-06-13
- 刊出日期: 2017-10-19

Two-dimensional Geometric Feature Inversion Method for Midcourse Target Based on HRRPs

摘要

摘要: 針對導(dǎo)彈防御系統(tǒng)中的目標(biāo)識別問題，該文研究彈道中段目標(biāo)的2維幾何特征反演方法?；谥卸文繕?biāo)的特殊物理結(jié)構(gòu)，分析了進(jìn)動錐體目標(biāo)在雷達(dá)徑向投影尺寸的變化規(guī)律，建立了中段目標(biāo)2維幾何特征與其徑向尺寸序列的映射關(guān)系，進(jìn)而提出一種基于HRRPs的2維幾何特征反演方法，能夠穩(wěn)定反演出中段進(jìn)動目標(biāo)在不同姿態(tài)下的2維幾何特征。通過電磁計算數(shù)據(jù)和暗室測量數(shù)據(jù)驗證了所提方法的有效性和穩(wěn)定性。
- 目標(biāo)識別 /
- 中段目標(biāo) /
- 2維幾何特征 /
- 高分辨距離像序列 /
- 徑向尺寸
Abstract: This paper focuses on Two-Dimensional (2D) geometric feature inversion method of midcourse targets, serving for the target recognition problem of ballistic missile defense system. Based on the figuration characteristic of midcourse targets, the regular pattern of radial dimension is analyzed with respect to different intervals, the mapping relationships between HRRP under various target attitudes and the 2D geometric feature of target are established, then an 2D geometric feature inversion method for midcourse targets based on HRRPs is proposed accordingly. The method can estimate stably the 2D geometric feature of midcourse targets during the midcourse flight, which is verified by the simulation experiments with electromagnetic computed data and measured data in anechoic chamber.
- Target recognition /
- Midcourse target /
- Two-Dimensional (2D) geometric feature /
- High Resolution Range Profile sequence (HRRPs) /
- Radial dimension size

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