Volume 5 Issue 1
Feb.  2016
Turn off MathJax
Article Contents
Article Navigation >  Journal of Radars  > 2016  >  5(1): 72-81
Wu Min, Zhang Lei, Liu Songyang, Xing Mengdao. OFDM-ISAR Sparse Optimization Imaging and Motion Compensation[J]. Journal of Radars, 2016, 5(1): 72-81. doi: 10.12000/JR16017
Citation: Wu Min, Zhang Lei, Liu Songyang, Xing Mengdao. OFDM-ISAR Sparse Optimization Imaging and Motion Compensation[J]. Journal of Radars, 2016, 5(1): 72-81. doi: 10.12000/JR16017
shu

OFDM-ISAR Sparse Optimization Imaging and Motion Compensation

DOI: 10.12000/JR16017

  • (Xidian University, Xi'an 710071, China)

Funds:

The National Natural Science Foundation of China (61301280, 61301293), Doctoral Program of Higher Research Fund (20120203130001)

  • Received Date: 2016-01-22
  • Rev Recd Date: 2016-01-31
  • Publish Date: 2016-02-28
    Abstract
  • Orthogonal Frequency Division Multiplexing (OFDM) technology has been utilized in radar imaging to obtain high-resolution range profiles without inter-range cell interference. In this study, we establish a novel algorithm for Inverse Synthetic Aperture Radar (ISAR) imaging of a non-cooperative target using OFDM waveforms. We also achieve motion compensation and image enhancement with sparse reconstruction optimization. Utilizing sparse reconstruction optimization, we can simultaneously achieve high-precision OFDM-ISAR imaging and also correct phase errors. Extensive experimentation confirms that the proposed method can effectively overcome range interference and phase errors in OFDM-ISAR imaging, providing optimal robustness and precision.

     

    • FullText(HTML)
  • loading
    • References(17)
  • [1]
    Soumekh M. Synthetic Aperture Radar Signal Processing[M]. NewYork, NY, USA: Wiley, 1999.
    [2]
    Axelsson S R J. Analysis of random step frequency radar and comparison with experiments[J]. IEEE Transactions on Geoscience and Remote Sensing, 2007, 45(4): 890-904.
    [3]
    Riche V, Meric S, Baudais J, et al.. Optimization of OFDM SAR signals for range ambiguity suppression[C]. 2012 9th European Radar Conference (EuRAD), Amsterdam, 2012: 278-281.
    [4]
    Kim J H, Younis M, Moreira A, et al.. A novel OFDM chirp waveform scheme for use of multiple transmitters in SAR[J]. IEEE Geoscience and Remote Sensing Letters, 2013, 10(3): 568-572.
    [5]
    Garmatyuk D and Brenneman M. Adaptivemulticarrier OFDM SAR signal processing[J]. IEEE Transactions on Geoscience and Remote Sensing, 2011, 49(10): 3780-3790.
    [6]
    Zhang T and Xia X G. OFDM synthetic aperture radar imaging with sufficient cyclic prefix[J]. IEEE Transactions on Geoscience and Remote Sensing, 2015, 53(1): 394-404.
    [7]
    Zhang T, Xia X G, and Kong L. IRCI free range reconstruction for SAR imaging with arbitrary length OFDM pulse[J]. IEEE Transactions on Signal Processing, 2014, 62(18): 4748-4759.
    [8]
    Chen C C and Andrews H C. Target-motion-induced radar imaging[J]. IEEE Transactions on Aerospace and Electronic Systems, 1980, 16(1): 2-14.
    [9]
    Wang J and Kasilingam D. Global range alignment for ISAR[J]. IEEE Transactions on Aerospace and Electronic Systems, 2003, 39(1): 351-357.
    [10]
    Donoho D. Compressed sensing[J]. IEEE Transactions on Information Theory, 2006, 52(4): 1289-1306.
    [11]
    吴敏, 邢孟道, 张磊. 基于压缩感知的二维联合超分辨ISAR成像算法[J]. 电子与信息学报, 2014, 36(1): 187-193. Wu Min, Xing Meng-dao, and Zhang Lei. Two dimensional joint super-resolution ISAR imaging algorithm based on compressive sensing[J]. Journal of Electronics Information Technology, 2014, 36(1): 187-193.
    [12]
    Du X, Duan C, and Hu W. Sparse representation based autofocusing technique for ISAR images[J]. IEEE Transactions on Geoscience and Remote Sensing, 2013, 51(3): 1826-1835.
    [13]
    Zhao L, Wang L, Bi G, et al.. An autofocus technique for high-resolution inverse synthetic aperture radarimagery[J]. IEEE Transactions on Geoscience and Remote Sensing, 2014, 52(10): 6392-6403.
    [14]
    Rao W, Li G, Wang X, et al.. Parametric sparse representation method for ISAR imaging of rotating targets[J]. IEEE Transactions on Aerospace and Electronic Systems, 2014, 50(2): 910-919.
    [15]
    Baraniuk R and Steeghs P. Compressive radar imaging[C]. 2007 IEEE Radar Conference, Boston, MA, 2007: 128-133.
    [16]
    Duarte M F and Baraniuk R G. Kronecker compressive sensing[J]. IEEE Transactions on Image Processing, 2012, 21(2): 494-504.
    [17]
    Axelsson O. Iterative Solution Methods[M]. Cambridge, U.K.: Cambridge University Press, 1994.
    • Relative Articles
    • Supplements(0)
    • Cited By
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索
    Get Citation
    PDF
    XML
    Article views(3356) PDF downloads(1036) Cited by()
    Proportional views
    Related

    京ICP备20021838号-8   Supported by: Beijing Renhe Information Technology Co. Ltd     百度统计

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return