Journal of electromagnetic engineering and science

The Korean Institute of Electromagnetic Engineering and Science (한국전자파학회)
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A Modified SweepSAR Mode with Dual Channels for High Resolution and Wide Swath

  • Yoon, Seong Sik (Department of Electronics and Information Engineering, Korea Aerospace University) ;
  • Lee, Jae Wook (Department of Electronics and Information Engineering, Korea Aerospace University) ;
  • Lee, Taek-Kyung (Department of Electronics and Information Engineering, Korea Aerospace University) ;
  • Ryu, Sang-burm (Payload Electronics Team, Korea Aerospace Research Institute) ;
  • Lee, Hyeon-Cheol (Payload Electronics Team, Korea Aerospace Research Institute) ;
  • Lee, Sang Gyu (Payload Electronics Team, Korea Aerospace Research Institute)
  • Received : 2018.02.08
  • Accepted : 2018.06.04
  • Published : 2018.07.31
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Abstract

In this study, an imaging mode of the modified SweepSAR is proposed with performance analysis for a high-resolution and wide swath coverage. To reduce the overall antenna size required for the solution of the azimuth ambiguity problem, different pulse repetition frequencies (PRFs) are utilized for different transmitters, respectively. For each imaging mode, system performance parameters are used for simulation, analysis, wide swath prediction, and comparison between conventional ScanSAR mode and SweepSAR mode based on scanon-receive (SCORE). The system parameters of AASR, RASR, and NESZ will be estimated and suggested on the imaging mode by using appropriate reflector antenna with the effectiveness of a modified SweepSAR employing dual channels.

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References

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