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      Internal Calibration of HJ-1-C Satellite SAR System

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          Abstract

          The HJ-1-C satellite is a Synthetic Aperture Radar (SAR) satellite of a small constellation for environmental and disaster monitoring. At present, it is in orbit and working well. The SAR system uses a mesh reflector antenna and centralized power amplifier, and has an internal calibration function in orbit. This study introduces the internal calibration modes and signal paths. The design and realization of the internal calibrator are discussed in detail. Finally, the internal calibration data acquired in orbit are also analyzed.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 June 2014
          : 3
          : 3
          : 314-319
          Affiliations
          [1 ] Institute of Electronics, Chinese Academy of Sciences
          Article
          e3a35235465f48e4b0f151298d64156a
          10.3724/SP.J.1300.2014.14028

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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