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Update of remote sensing satellite ground systemof China remote sensing satellite ground station

  • role： First author第一作者
  • Affiliation：

    China Remote Sensing Satellite Ground Station, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

  • Email：lian@ aircas.ac.cn
  • Introduction：李安，1965年生，男，研究员，研究方向为卫星地面系统的研制和建设、卫星数据与信息处理技术研究。E-mail: lian@ aircas.ac.cn
LI An,  
  • Affiliation：

    China Remote Sensing Satellite Ground Station, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

HUANG Peng,  
  • Affiliation：

    China Remote Sensing Satellite Ground Station, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

SHI Lu,  
  • Affiliation：

    China Remote Sensing Satellite Ground Station, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

HE Guojin,  
  • Affiliation：

    China Remote Sensing Satellite Ground Station, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

FENG Xuxiang,  
  • Affiliation：

    China Remote Sensing Satellite Ground Station, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

WU Yewei,  
  • Affiliation：

    China Remote Sensing Satellite Ground Station, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

ZHANG Qing,  
  • Affiliation：

    China Remote Sensing Satellite Ground Station, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

MA Guangbin,  
  • Affiliation：

    China Remote Sensing Satellite Ground Station, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

FENG Ke,  
  • Affiliation：

    China Remote Sensing Satellite Ground Station, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

YANG Jin,  
  • Affiliation：

    China Remote Sensing Satellite Ground Station, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100094, China

LI Jingshan

Resümee

Established in 1986, China Remote Sensing Satellite Ground Station (RSGS) is one of China’s major scientific infrastructures and an important member of the International Ground Station (IGS) Network. After more than 30 years of construction, development and operation, RSGS has developed a system that is centered around the Beijing headquarters with five ground stations located in Miyun (operation since 1986), Kashi (since 2008), Sanya (since 2010), Kunming (since 2016), and the Arctic (since 2016). Its real-time data acquisition covers all territory of China and 70% of Asia’s land areas. It is also equipped with the initial ability to acquire global earth observation data efficiently.By the continuous system development and technical improving, RSGS is currently the most compatible and expandable ground receiving system for satellite data in China. Its overall performance has achieved the international advanced standard as some indicators approach the international leading level. For example, S, X and Ka band downlink reception capability with bit rate up to 2×1200Mbps (in X band) and 4×1.5Gbps (in Ka band), satellite signal tracking efficiently for high dynamics and low signal-to-noise ratio case, multiple-satellite data recording and quicklook in real time, high speed data transferring fiber link with bandwidth 200Mbps, 622Mbps or 10Gbps between domestic stations and RSGS headquarter, the worldwide standard LANDSAT, RADARSAT, SPOT and PLEIADES data processing and production system, the on-line archiving data querying/ordering and product delivery system, and the integrated ground station operation management system to monitor and manage the daily data acquisition, recording, transferring and so on.In recent years, the number of domestic and international satellite missions, the data reception passes and successful rate, and the data processing amount are all increasing continuously. From January to September of 2020, RSGS automated the operation of 32 domestic and overseas earth observation satellites as well as China’s Space Science satellites, and the total number of data reception is 42,183 passes with the successful rate 99.8%.RSGS also made a series of technical breakthroughs, including Ka band data reception, the VCM (Variable Coding and Modulation) mode data receiving technology, satellite high speed data recording and quicklook platforms for rapid application, ultra-distance data transmission network, automatic planning for data reception operations, centralized digital 3D virtual simulation monitoring of remote sensing satellite ground station, and etc. Meanwhile, the new data and application products are provided to public, such as Earth Observation Data Sharing Plan, virtual ground station, RTU (Ready-to-Use) data service, InSAR monitoring of land subsidence nationwide, and etc. On the other hand, remote sensing applications were accomplished by the national requirements, such as flood and earthquake monitoring, forest fire investigation, and sea supervision.According to the guidance of national programme, RSGS is carrying out the research and construction of the national civil space infrastructure data receiving system project. In the future, with the enhancement of system capabilities, RSGS will continue to provide China’s earth observation with powerful quantitative support and contribute greatly to national economic development, social progress, and scientific research.

Schlüsselwort

RSGS;national major science and technology infrastructure;satellite data receiving station network;ground system for satellite data

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