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弹箭与制导学报 >

2015 , Vol. 35 >Issue 4: 162 - 166

DOI: https://doi.org/10.15892/j.cnki.djzdxb.2015.04.040

相关技术

基于波数域算法的FMCW SAR 运动补偿

  • 王霖郁 ,
  • 赵鸿洁 ,
  • 杜传红
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  • 1 哈尔滨工程大学信息与通信工程学院,哈尔滨 150001
    2 安顺学院电子与信息工程学院,贵州安顺 561000

王霖郁(1977-),女,黑龙江哈尔滨人,副教授,硕士生导师,研究方向:嵌入式系统、合成孔径雷达图像处理。

收稿日期: 2014-07-08

  网络出版日期: 2025-05-26

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Motion Compensation Basedon Wavenumber Domain Algorithm for FMCW SAR

  • WANG Linyu ,
  • ZHAO Hongjie ,
  • DU Chuanhong
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  • 1 College of Information and Communication Engineering, Harbin Engineering University, Harbin 150001, China
    2 School of Electronic and Information Engineering, Anshun University, Guizhou Anshun 561000, China

Received date: 2014-07-08

  Online published: 2025-05-26

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摘要

为了实现机载调频连续波合成孔径雷达(FMCWSAR)的高分辨率成像,文中对Stolt变换进行改进,将传统的波数域算法与两步运动补偿法相结合,提出一种适合FMCWSAR运动补偿的波数域算法。该方法将运动补偿分解为一次运动补偿和二次运动补偿,使得方位聚焦在二次运动补偿之后,有效的补偿了该误差,并得到良好的成像效果。文章最后对点目标成像进行仿真验证,证实该算法是有效的。

关键词： 调频连续波合成孔径雷达; 波数域算法; 运动补偿; 两步运动补偿法

本文引用格式

王霖郁 , 赵鸿洁 , 杜传红 . 基于波数域算法的FMCW SAR 运动补偿[J]. 弹箭与制导学报, 2015 , 35(4) : 162 -166 . DOI: 10.15892/j.cnki.djzdxb.2015.04.040

Abstract

In order to get high resolution imaging of aircraft frequency modulated continuous wave synthetic aperture radar (FMCW SAR), in this paper, by improving Stolt transform, combining the wavenumber domain algorithm with the traditional two step motion compensation method, a new wavenumber domain algorithm suitable for FMCW SAR was put forward. This method decomposes motion error compensation into first and second compensation, and the azimuth focusing would be after the second motion compensation, which makes the motion error get effective compensation and get a good result of resolution imaging. At the end of this paper, simulation of point target imaging confirmed that the algorithm is effective.

Key words： FMCW SAR; wavenumber domain algorithm; motion compensation; two step motion compensation algorithm

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参考文献

[1]
谭鸽伟, 邓云凯. 一种改进的斜视 SAR 运动补偿算法[J]. 电子与信息学报, 2009, 31 (1): 156-159.
[2]
贾高伟, 常文革. FMCW SAR 运动补偿处理技术研究[J]. 电子学报, 2013, 9 (9): 1665-1671.
[3]
Liang Xintao, Wei Qi. Wavenumber domain algorithm for squint FMCW SAR[J]. International Forum on Strategic Technology, 2011 (6): 1256-4260.
[4]
Wang R, Loffeld O, Nies H, et al. Essen Focus FMCW SAR data using the wavenumber domain algorithm[J]. IEEE Trans, Geosci. Remote Sens, 2010, 48 (4): 2109-2118.
[5]
HOU Haiping, QU Changwen, ZHOU Qiang, et al. A Downward-looking three-dimensional imaging method for airborne FMCW SAR based on array antennas [J]. Chinese Journal of Aeronautics, 2011, 24(1): 55-64.
[6]
何获. 调频连续波合成孔径雷达成像算法研究[D]. 成都: 电子科技大学, 2013.
[7]
杜传红. 调频连续波SAR 成像R-D 及ωK 算法研究[D]. 哈尔滨: 哈尔滨工程大学, 2013.
[8]
李东, 廖桂生, 杨志伟, 等. 用于大斜视FMCW-SAR 成像的频率变标算法[J]. 西安电子科技大学学报, 2013, 40(4): 21-28.
[9]
Reiger A, Potsis A, Alivizators E, et al. Wavenumber Domain SAR focusing with integrated motion compensation[C]// IGARSS ’03. Proceedings, 2003, 3: 1465-1467.
[10]
于彬彬, 刘畅, 王岩飞. 一种滑动聚束模式FMCWSAR快速回波模拟算法[J]. 电子与信息学报, 2012, 34(8): 1879-1884.
[11]
皮亦鸣, 杨建宇, 付毓生, 等. 合成孔径雷达成像原理[M]. 成都: 电子科技大学出版社, 2007.
[12]
Adriano META, Peter Hoogeboom, Leo P L. Signalprocessing for FMCW SAR[J]. IEEE Trans on GRS, 2007, 45(11): 3519-3532.
[13]
禹卫东, 吴淑梅. 距离-多普勒方法中的几种插值算法比较[J]. 电子与信息学报, 2001, 23(3): 308-312.
[14]
Connan G, Brennan P, Griffths H D. MORSE: Mesoscale ocean radar signature exper-ments[J]. The International Conference on ELectronic Engineering in Oceanography, 1997: 227-232.
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