A spaceborne synthetic aperture radar processing system and method

By adopting a dynamic and reconfigurable computing array hardware architecture, the contradictions between computing performance, energy efficiency and reliability in traditional spaceborne SAR systems are resolved, enabling efficient and flexible real-time processing of spaceborne SAR systems and supporting multi-functional and long-life mission adaptation.

CN122307550APending Publication Date: 2026-06-30NO 63921 UNIT OF PLA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NO 63921 UNIT OF PLA
Filing Date
2026-05-29
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Traditional spaceborne SAR systems struggle to simultaneously meet the demands for high timeliness and multifunctionality in terms of computational performance, energy efficiency, mission flexibility, and system reliability. Furthermore, existing hardware architectures are difficult to adapt to new algorithms or mission requirements in orbit.

Method used

Employing a dynamic reconfigurable computing array hardware architecture, the system achieves high real-time processing of the entire process from raw echo data to target information through cascaded general-purpose processing modules, coarse-grained reconfigurable arrays, and embedded programmable logic units. It supports flexible switching and upgrading of imaging modes and detection and recognition algorithms, and ensures stable system operation through modular design and radiation hardening measures.

Benefits of technology

It achieves high energy efficiency, high computing power and high flexibility in real-time processing under the strict power consumption constraints of the spaceborne platform, supports long-life mission adaptability, and ensures high reliability and real-time data processing of the system in the space environment.

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Abstract

This disclosure relates to the field of radar imaging technology and proposes a spaceborne synthetic aperture radar (SAR) processing system and method. The system includes at least two cascaded general-purpose processing modules. Each general-purpose processing module comprises a coarse-grained reconfigurable array and embedded programmable logic. The coarse-grained reconfigurable array is composed of multiple processing units interconnected by a reconfigurable network. The coarse-grained reconfigurable array executes computationally intensive algorithm logic, while the embedded programmable logic unit executes data flow control logic. Within each time period, the coarse-grained reconfigurable array, through various processing units and a lockstep synchronization mechanism, executes multiple configuration lines in a radar imaging configuration package or a detection and recognition configuration package in parallel, completing multiple algorithmic steps of the imaging processing algorithm or the detection and recognition algorithm. The technical solutions provided by one or more embodiments of this disclosure can construct a powerful, energy-efficient, dynamically reconfigurable, and highly reliable spaceborne SAR real-time processing system.
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