适用于复杂地表类型无人飞行器GNSS-R测高的基带信号处理方法
By employing adaptive signal acquisition and integration strategies, combined with multi-source data fusion and dynamic weight adjustment, the accuracy and error issues of GNSS-R altimetry in complex terrain environments were resolved, achieving high-precision and stable altimetry results.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ROCKET FORCE UNIV OF ENG
- Filing Date
- 2025-05-20
- Publication Date
- 2026-07-17
AI Technical Summary
In complex terrain environments, existing GNSS-R altimetry technology struggles to accurately capture signal delay differences, resulting in insufficient elevation measurement accuracy. Furthermore, the error sources are complex and highly coupled, lacking effective handling of dynamic errors and exhibiting insufficient algorithm generalization ability.
An adaptive signal acquisition and integration strategy is adopted, which combines the surface features of the specular reflection point, the motion state of the UAV, and the altimeter mission indicators. Through multi-source data fusion and dynamic weight adjustment, signal processing is optimized, systematic and random errors are reduced, and signal quality and altimeter accuracy are improved.
In complex terrain environments, it improves the accuracy of GNSS-R altimetry and the generalization ability of the algorithm, effectively handles multipath and dynamic errors, and ensures the accuracy and stability of high-precision observations.
Smart Images
Figure CN120405712B_ABST