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  • 陈 娟.弹载俯冲大前斜SAR成像几何校正参数误差影响分析[J].电讯技术,2022,(7): - .    [点击复制]
  • CHEN Juan.Analysis of image geometric correction algorithm and parameter influences of missile-borne high-squint SAR with diving maneuver[J].,2022,(7): - .   [点击复制]
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弹载俯冲大前斜SAR成像几何校正参数误差影响分析
陈娟
0
(中国西南电子技术研究所,成都 610036)
摘要:
弹载合成孔径雷达(Synthetic Aperture Radar,SAR)成像需依托弹道参数完成斜距图像向地距图像的几何校正,在俯冲大前斜SAR成像模式下的几何校正性能对弹道参数的精度非常敏感。针对弹载俯冲大前斜视SAR成像模式下成像斜距图为距离多普勒类型图像的几何校正算法,从理论上分析了多维弹道参数误差带来的几何校正畸变量,通过仿真验证了算法及畸变量分析的有效性。该研究对雷达导引头的系统设计、目标识别技术需求等提供了理论依据,具有重要的工程应用价值。
关键词:  合成孔径雷达(SAR)  俯冲大前斜SAR  几何校正  弹道参数
DOI:
基金项目:
Analysis of image geometric correction algorithm and parameter influences of missile-borne high-squint SAR with diving maneuver
CHEN Juan
(Southwest China Institute of Electronic Technology, Chengdu 610036, China)
Abstract:
Missile-borne synthetic aperture radar(SAR) imaging should perform geometric correction which depends on ballistic parameters.The geometric correction performance is very sensitive to ballistic parameters on diving high-squint SAR model.The influence of missile multidimensional parameters is analyzed theoretically for the geometric correction algorithm of diving high-squint SAR model.The simulation results demonstrate the validity of this algorithm.This study in this paper provides a theoretical basis for missile seeker system design and target identification requirements.It has important engineering application value.
Key words:  synthetic aperture radar(SAR)  diving maneuver high-squint SAR  geometric correction  ballistic parameter
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