弹载探测器自适应高分辨前视成像策略研究

doi:10.3969/j.issn.1000-1093.2019.06.001

兵工学报 ›› 2019, Vol. 40 ›› Issue (6): 1121-1129.doi: 10.3969/j.issn.1000-1093.2019.06.001

弹载探测器自适应高分辨前视成像策略研究

程呈¹，高敏¹，周晓东²，李超旺²，于波³，刘永鹏³

(1.陆军工程大学石家庄校区导弹工程系，河北石家庄 050003；2.陆军工程大学石家庄校区弹药工程系，河北石家庄 050003；3.北方自动控制技术研究所，山西太原 030006)

收稿日期:2018-07-18 修回日期:2018-07-18 上线日期:2019-08-14
通讯作者: 周晓东（1976—），男，副教授，博士 E-mail:zxd_oec@sina.com
作者简介:程呈（1991—），男，博士研究生。 E-mail: clarence_oec@sina.com
基金资助:
陆军装备预先研究项目（30107030803）

Research on Adaptive High Resolution Forward-looking Imaging Strategy for Missile-borne Detector

CHENG Cheng¹, GAO Min¹, ZHOU Xiaodong², LI Chaowang², YU Bo³, LIU Yongpeng³

(1.Department of Missile Engineering,Shijiazhuang Campus, Army Engineering University, Shijiazhuang 050003, Hebei, China; 2.Department of Ammunition Engineering,Shijiazhuang Campus, Army Engineering University, Shijiazhuang 050003, Hebei, China;3.North Institute of Automatic Control Technology, Taiyuan 030006, Shanxi, China)

Received:2018-07-18 Revised:2018-07-18 Online:2019-08-14

摘要/Abstract

摘要： 为满足新型炸高可选择近炸引信的任务需求，提出一种弹载毫米波探测器的自适应高分辨前视成像策略。利用探测器截获的目标区域回波数据，动态提升同一距离维内的方位向测角精度，从而准确获取探测区域内目标的方位信息；通过距离测量以及方位角优化，最终形成高分辨前视方位-距离像。该策略突破了传统单脉冲测角时仅利用理想状态下方位角鉴别曲线的误区，基于截获的回波数据对该鉴别曲线进行误差修正，最终使方位向测角精度达到同距离维最优。实验结果表明：自适应高分辨前视成像策略具有可行性与优越性；经过8次迭代后，可获取同一距离维下的最优鉴角曲线，实现方位向自适应聚焦；与传统实波束扫描成像策略相比，该策略能够使方位向角度分辨率提升10倍，且算法复杂程度能够满足弹载平台要求。

关键词: 弹载探测器, 前视成像, 高分辨, 自适应

Abstract: An adaptive high resolution forward-looking imaging strategy for missile-borne millimeter detector is proposed for satisfying the combat mission of new generation optional burst height proximity fuze. The accuracy of azimuth angle estimation can be dynamically improved by processing the intercepted echo signal data in a distance zone, thus obtaining the more accurate azimuth information of targets, and generating the azimuth-range image of target. The proposed imaging strategy has broken through the traditional monopulse angle estimation method which uses the ideal azimuth curve to estimate the actual angles of different targets. The algorithm uses the actual echo signal data to modify the error generated by angle curve in real time to ensure the high estimation accuracy in azimuth direction. The experimental results show that the proposed imaging algorithm is used to obtain the optimal resolution angle curve in thesame range after 8 times iterative calculation, and achieve adaptive focusing in azimuth direction. Compared to traditional imaging strategy based on real beam scanning technology, the proposed imaging strategy based on monopulse imaging improves the azimuth resolution about 10 times. And the complexity of the algorithm also meets the requirement of missile platform. Key

Key words: missile-bornedetector, forward-looking-imaging, highresolution, adaption

中图分类号:

程呈，高敏，周晓东，李超旺，于波，刘永鹏. 弹载探测器自适应高分辨前视成像策略研究[J]. 兵工学报, 2019, 40(6): 1121-1129.

CHENG Cheng, GAO Min, ZHOU Xiaodong, LI Chaowang, YU Bo, LIU Yongpeng. Research on Adaptive High Resolution Forward-looking Imaging Strategy for Missile-borne Detector[J]. Acta Armamentarii, 2019, 40(6): 1121-1129.

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2019 年6月兵工学报ACTA
ARMAMENTARIIVol.40No.6Jun.2019

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弹载探测器自适应高分辨前视成像策略研究

Research on Adaptive High Resolution Forward-looking Imaging Strategy for Missile-borne Detector

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