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ISAR成像快速最小熵相位補償方法

邱曉暉,  HengWangChengAlice,  YeoSiewYam

邱曉暉, HengWangChengAlice, YeoSiewYam. ISAR成像快速最小熵相位補償方法[J]. 電子與信息學(xué)報, 2004, 26(10): 1656-1660.
引用本文: 邱曉暉, HengWangChengAlice, YeoSiewYam. ISAR成像快速最小熵相位補償方法[J]. 電子與信息學(xué)報, 2004, 26(10): 1656-1660.
Qiu Xiao-hui, Heng Wang Cheng Alice, Yeo Siew Yam. Fast Minimum Entropy Phase Compensation for ISAR Imaging[J]. Journal of Electronics & Information Technology, 2004, 26(10): 1656-1660.
Citation: Qiu Xiao-hui, Heng Wang Cheng Alice, Yeo Siew Yam. Fast Minimum Entropy Phase Compensation for ISAR Imaging[J]. Journal of Electronics & Information Technology, 2004, 26(10): 1656-1660.

ISAR成像快速最小熵相位補償方法

Fast Minimum Entropy Phase Compensation for ISAR Imaging

  • 摘要: 針對逆合成孔徑雷達(ISAR)成像，該文提出一種快速運動補償算法，該算法基于二維圖像熵，并通過相位補償?shù)目焖俚?，使圖像熵逐漸達到最小，從而實現(xiàn)雷達像的自聚焦。實測數(shù)據(jù)處理結(jié)果表明，同現(xiàn)有方法相比，該方法不僅保證熵意義上的最佳聚焦效果，而且還具有較高收斂速度。
    Abstract: A novel fast phase compensation approach based on two-dimensional minimal image entropy is presented in this paper for Inverse Synthetic Aperture Radar(ISAR) imaging. Compared with the other methods, the proposed approach has better effect of autofocusing, better computation efficiency, global minimal entropy as well as explicit expression applied easily, and these advantages are demonstrated by the analysis and data processing results.
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  • Prickett M J, Chen C C.Principle of inverse synthetic aperture radar (ISAR) Imaging.ESCON Record,1980: 340-345.[2]Chen C C,Andrews H C.Target-motion-induced radar imaging[J].IEEE Trans.on Aerospace and Electronic Systems.1980,16(1):2-14[3]Flores B C,Ugrate A,Kreinovich B.Choice of an entropy-like function for range-Doppler processing,SPIE(Automatic Object Recognition Ⅲ),1993,Vol.1960:47-56.[4]Bocker R P,Henderson T B,Jones S A,Frieden B R.A new inverse synthetic aperture radar algorithm for translational motion compensation.SPIE (Stochastic and Neural methods in Signal processing,Image Processing,and Computer Vision),1991,Vol.1569:298-310.[5]Li X,Liu G S,Ni J L.Autofocusing of ISAR images based on entropy minimization[J].IEEE Trans.on Aerospace and Electronic Systems.1999,35(4):1240-1251[6]Zhu Z D,Qiu X H,She Z S.ISAR motion compensation using modified Doppler centroid tracking method.IEEE National Aerospace Electronics Conference (NAECON),Dayton,Ohio,USA,1996:359-363.[7]Qiu X H.A fast implementation of two dimensional minimum entropy phase compensation method.DSO (Defense Science Organization) National Laboratory Tech.Report.2000,Republic of Singapore.[8]Wahl D E,Eichel P H,Ghiglia D C,Jakowatz C V.Phase gradient autofocus-A robust tool for high-resolution SAR phase correction[J].IEEE Trans.on Aerospace and Electronic Systems.1994,30(3):827-835
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出版歷程
  • 收稿日期:  2003-04-14
  • 修回日期:  2003-11-25
  • 刊出日期:  2004-10-19

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