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Challenges and research on remote sensing satellite application technology in the Giant Constellation Era

  • role： First author第一作者
  • Affiliation：

    Beijing Institute of Remote Sensing Information, Beijing 100192, China

  • Email：gregrs@126.com
  • Introduction：康利鸿， 研究方向为遥感卫星应用研究和工程实践。E-mail：gregrs@126.com
KANG Lihong,  
  • role： Corresponding author通信作者
  • Affiliation：

    Beijing Institute of Remote Sensing Information, Beijing 100192, China

  • Email：tianjing97@sina.com
  • Introduction：田菁， 研究方向为卫星信息智能处理与应用技术。E-mail：tianjing97@sina.com
TIAN Jing*,  
  • Affiliation：

    Beijing Institute of Remote Sensing Information, Beijing 100192, China

JIANG Bitao

resumen

Since the 1970s, China has made remarkable achievements in the field of remote-sensing satellite systems. It is moving toward the era of intelligent and networked giant remote-sensing satellite constellations. The realization of networking and intelligence of giant remote sensing satellite constellations is not a one-off process. The development of the national remote sensing satellite industry in China hinges on the current opportunity period of historical development, careful resolution of technical challenges, direction of future technological breakthroughs, and preparations for the era of remote-sensing satellite constellation. This paper reviews the development history of China’s remote-sensing satellite systems and analyzes the technical challenges faced by the development of a giant remote-sensing constellation. First, owing to the massive data processing problem in the remote-sensing constellation, this paper focuses on on-orbit data preprocessing and intelligent information extraction methods, analyzes the problems through on-board intelligent processing, and proposes an on-board processing mode supported by the ground. Second, complex problems in the management of tasks in a large constellation and the current status of on-board autonomous mission planning capabilities are analyzed, and a digital twin-based integrated intelligent mission management and distributed intelligent collaboration model is proposed.Overall, China is currently in the stage of limited intelligent processing, particularly on-board and ground-based processing, and is entering the stage at which it can perform simple mission control on board and ground-based control. Driven by advancements in intelligent processing capabilities on board, the development of remote-sensing constellation systems toward the ideal “organic giant constellation” can be divided into three stages, that is, giant remote-sensing constellation 1.0-3.0. The integrated design and technical laying out of the intelligent giant remote-sensing constellation system as a whole, combining space and ground elements, must be carried out as early as possible. Key technical research on highly efficient and reliable intersatellite communication technologies should be undertaken. Furthermore, the performance of algorithms interpreting remote sensing data based on random sample data, digital twin-based integrated intelligent mission planning technology for space and ground, on-orbit unsupervised continuous self-learning theories, methods for the intelligent processing of remote sensing satellite data, and event-driven rapid task allocation technologies for large-scale constellations should be evaluated and optimized. These efforts can promote the development of national remote-sensing satellites for a new era of intelligence.

palabra clave

giant remote sensing constellation;development history;Intelligent;networked;application technology;satellite constellation mission control;data processing;development plan

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