• Record: found
  • Abstract: found
  • Article: found
Is Open Access

Performance Analysis on ISAR Imaging of Space Targets

Read this article at

      There is no author summary for this article yet. Authors can add summaries to their articles on ScienceOpen to make them more accessible to a non-specialist audience.


      Usually, in traditional Inverse Synthetic Aperture Radar (ISAR) systems design and mode selection for space satellite targets, coherent integration gain in azimuth direction hardly can be analyzed, which depends on target’s motion. In this study, we combine the target orbit parameters to determine its motion relative to radar and deduce coherent integration equation in ISAR imaging to realize the selection of imaging intervals based on coherent integration, which can ensure the resolution in azimuth direction. Meanwhile, we analyze the influence of target orbit altitude to echo power and imaging Signal-to-Noise Ratio (SNR) that provides a new indicator for space observation ISAR systems design. The result of simulation experiment illustrates that with target orbit altitude increasing, coherent integration gain in azimuth direction of large-angular observation offsets the decreasing of imaging SNR in a degree, which provides a brand-new perspective for space observation ISAR systems and signal processing design.

      Related collections

      Author and article information

      [1 ] ①(National Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, China) ②(Collaborative Innovation Center of Information Sensing and Understanding at Xidian University, Xi’an 710071, China)
      Journal of Radars
      Chinese Academy of Sciences
      01 February 2017
      : 6
      : 1
      : 17-24
      c264d4700f8448b587fba7b4a51d4853 10.12000/JR16136

      This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit

      Technology (General)


      Comment on this article