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机载SAR方位宽幅扫描波束控制方法

邢涛 李军 王志锐

现代防御技术2025,Vol.53Issue(2):149-155,7.
现代防御技术2025,Vol.53Issue(2):149-155,7.DOI:10.3969/j.issn.1009-086x.2025.02.016

机载SAR方位宽幅扫描波束控制方法

Airborne SAR Azimuth Wide Swath Scan Beam Control Method

邢涛 1李军 1王志锐1

作者信息

  • 1. 北京无线电测量研究所,北京 100854
  • 折叠

摘要

Abstract

The airborne synthetic aperture radar(SAR)system realizes the large azimuth width by scanning.The scanning angular velocity is restricted by azimuth resolution,squint angle and other parameters.It is a difficult problem to design and implement airborne wide-width azimuth scanning SAR with both scanning efficiency and azimuth resolution.In order to realize azimuth wide-swath scanning in the air route,a beam control method is proposed.By deriving the scanning angle change rule between different scene images,and designing the start scanning angle and end scanning angle of each scene image according to the angle change rule,the designed beam control method can meet the resolution requirements of the scanning angle velocity of each scene image and has a time-varying angular velocity with a high scanning efficiency.Overlapping between scenes to ensure coverage and the target scene is located in the middle of the scanning width in the course.

关键词

机载/合成孔径雷达/方位/扫描/大幅宽

Key words

airborne/synthetic aperture radar(SAR)/azimuth/scan/wide swath

分类

电子信息工程

引用本文复制引用

邢涛,李军,王志锐..机载SAR方位宽幅扫描波束控制方法[J].现代防御技术,2025,53(2):149-155,7.

现代防御技术

OA北大核心

1009-086X

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