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Volume 25 Issue 5
May  2003
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Zhu Daiyin, Zhu Zhaoda. Studies of ground slow-moving target imaging by airborne interferometric sar/isar[J]. Journal of Electronics & Information Technology, 2003, 25(5): 585-591.
Citation: Zhu Daiyin, Zhu Zhaoda. Studies of ground slow-moving target imaging by airborne interferometric sar/isar[J]. Journal of Electronics & Information Technology, 2003, 25(5): 585-591.

Studies of ground slow-moving target imaging by airborne interferometric sar/isar

  • Received Date: 2001-10-22
  • Rev Recd Date: 2002-04-04
  • Publish Date: 2003-05-19
  • In this paper, ground slow-moving target imaging via airborne interferometric SAR/ISAR technique is investigated. Land clutter suppression and SCR improvement are achieved by range and cross-range two-dimensional high resolution of SAR. imaging and spatial domain cancellation of interferometer. True azimuth of moving target is determined using phase-comparison interferometer. Furthermore, high resolution image of the slow-moving target is obtained by IS AR processing. The block diagram and the operational principle of the airborne interferometric SAR./ISAR system are discussed in detail. Quantitative relations for SAR,, interferometer spatial domain cancellation, direction finding and ISAR processing are derived. Theoretical analysis and preliminary computer simulation reveal the validity of this technique.
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  • J.C. Henry, T. J. Murphy, A Lincoln laboratory technique for the ultra-high resolution imaging of moving target, Proc. of the SPIE, Orlando, Florida, 2487, 1995, 359-370.[2]E.F. Stockburger, D. N. Held, Interferometric moving ground target imaging, Proc. of the IEEE International Radar Conference, Alexandria, Virginia, 1995, 438-443.[3]M. Tobin, Real time simultaneous SAR/GMIT in a tactical airborne environment, Proc. of EUSAR, Konigswinter, Germany, 1996, 63-66.[4]M.T. Fennell, R. P. Wishner, Battlefield awareness via synergistic SAR and MIT exploitation,IEEE AES Magazine, 1998, 13(2), 39-45.[5]C.V. Jackowatz, D. E. Wahl, P. H. Eichel, et al., Spotlight-Mode Synthetic Aperture Radar, A Signal Processing Approach, Boston, Kluwer Academic Publishers, 1996, Ch.5. [6]D.A. Ausherman, A. Kozma, J. L. Walker, ct al., Developments in radar imaging, IEEE Trans.on AES, 1984, AES-20(4). 336-340.
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