Results 1 to 10 of about 32,015 (66)
Design and Analysis of HJ-1-C Satellite SAR Antenna
Leida xuebao, 2014 With truss deployable mesh parabolic reflector, the HJ-1-C SAR antenna has complex structure and multiple steps during the deployed processing. The design of the antenna is difficult in terms of deployed reliability and electrical performance. This paper
Zheng Shi-kun +4 more
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Geo-correction Algorithm Based on Equivalent RD Model for ScanSAR of HJ-1-C Satellite
Leida xuebao, 2014 HJ-1-C satellite is the first Synthetic Aperture Radar (SAR) satellite for civilian use in China, and it has a strip and scan mode. According to the characteristics of the ScanSAR of the HJ-1-C satellite, a geo-correction algorithm based on an equivalent
Liu Jia-yin +3 more
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Internal Calibration of HJ-1-C Satellite SAR System
Leida xuebao, 2014 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.
Yang Zhen, Yang Ru-liang
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Design Optimization of Expansion Driven Components for the HJ-1-C Satellite
Leida xuebao, 2014 Expansion-driven HJ-1-C satellite components are prone to fatigue and fracture; thus, a reliability study on the optimal design is performed. According to the Failure Mode and Effects Analysis (FMEA) of the components, the main failure modes are stress ...
Huang Zhi-rong +3 more
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Design and Implementation of the HJ-1-C Satellite SAR Full-power Radiation Test
Leida xuebao, 2014 In this paper, the HJ-1-C SAR full-power radiation test design is presented. For the new problems caused by SAR high-power concentrated emissions, the radar-receiving channel-leakage power test is proposed to ensure the safety of the radar-receiving path,
Zhang Hua-chun +3 more
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System Design and In-orbit Verification of the HJ-1-C SAR Satellite
Leida xuebao, 2014 HJ-1-C is a SAR satellite owned by the Chinese Environment and Natural Disaster Monitoring constellation, and works together with the optical satellites HJ-1-A/B for monitoring environment and natural disasters.
Zhang Run-ning, Jiang Xiu-peng
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Application Capacity Evaluation of HJ-1-C towards Ice Disaster during On-orbit Test Period
Leida xuebao, 2014 On November 19, 2012, HJ-1-C was launched successfully, which is the first civil Synthetic Aperture Radar (SAR) satellite in China and is also the only S-band SAR on-orbit satellite in the world.
Zhang Wei, Wang Lei
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Thermal Design and Flight Validation for Solid-state Transmitter
Leida xuebao, 2014 Solid-state transmitter with large power and high heat flux is a key equipment of an HJ-1-C satellite; therefore, it has a great influence on satellite thermal design.
Wang Lei, Wen Yao-pu
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The Load Design and Implementation of HJ-1-C Space-borne SAR
Leida xuebao, 2014 HJ-1-C is a Synthetic Aperture Radar (SAR) satellite in the Constellation of “2+1” for China environment and disaster monitoring. It works at S-band with a resolution of 5 m. SAR payload uses a reflector antenna and a high-power concentrated transmitter.
Yu Wei-dong +4 more
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Leida xuebao, 2014 This study is concerned with the design and implementation of a real-time processing system of full resolution quick-look image of HJ-1 environmental satellite C SAR based on high-performance clusters.
Li Jing-shan +4 more
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