A method and apparatus for on-board data processing of a radar satellite

By performing data unpacking, fusion processing, and multi-mode imaging on radar satellites, the problem of data transmission and processing lag in synthetic aperture radar satellites has been solved, realizing the real-time on-orbit conversion from raw signals to usable information, and improving the system's timeliness and autonomy.

CN122194149APending Publication Date: 2026-06-12北京钧天航宇技术有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
北京钧天航宇技术有限公司
Filing Date
2026-03-27
Publication Date
2026-06-12

AI Technical Summary

⚠Technical Problem

Existing technologies for synthetic aperture radar satellites suffer from data transmission bottlenecks between satellite and ground and slow processing response, failing to meet the urgent timeliness requirements of applications such as disaster emergency monitoring and military dynamic reconnaissance.

⚗Method used

Data unpacking, fusion processing, multi-mode imaging, and pixel-level geocoding are performed on radar satellites to achieve real-time on-orbit conversion from raw signals to usable information. This includes unpacking and processing various data types, fusing data and calculating Doppler parameters, multi-mode imaging, and pixel-level geocoding.

🎯Benefits of technology

By processing raw echo data in real time on satellite, the data volume is reduced by 1-2 orders of magnitude, the processing latency is shortened to the minute level, the system's autonomy and survivability are improved, and the dependence on ground stations is reduced.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122194149A_ABST
    Figure CN122194149A_ABST
Patent Text Reader

Abstract

The application provides a radar satellite on-board data processing method and device, the method comprising: acquiring 0-level data collected by a radar satellite during execution of a target load task; unpacking the 0-level data to obtain target data to be processed of different data types; fusing the target data to be processed to obtain fused data and Doppler parameters; performing multi-mode imaging based on the fused data and Doppler parameters to obtain target imaging results of different modes; and performing pixel-level geographic coding on the target imaging results of different modes using geographic information of a target area observed by the radar satellite to obtain a target image. Thus, the technical solution of the application can effectively solve the problems of data backlog, transmission delay and serious delay in processing response in the prior art.
Need to check novelty before this filing date? Find Prior Art