Internal Calibration of HJ-1-C Satellite SAR System
Yang Zhen Yang Ru-liang
(Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China)
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.
Key words : HJ-1-C satellite
Synthetic Aperture Radar (SAR)
Internal calibration
Internal calibrator
Received: 2014-02-17;
Published: 2014-05-13
Cite this article:
Yang Zhen,Yang Ru-liang. Internal Calibration of HJ-1-C Satellite SAR System[J]. JOURNAL OF RADARS, 2014, 3(3): 314-319.
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