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High-resolution SAR optoelectronic processor based on sensor-less adaptive optics
Optics Express
|June 14, 2025
Summary
This study introduces an advanced synthetic aperture radar (SAR) processor using adaptive optics (AO) for precise phase error correction. The new system significantly improves high-resolution SAR imaging by overcoming motion and propagation distortions.
Area of Science:
- Optics and Remote Sensing
- Signal Processing
Background:
- Phase error in synthetic aperture radar (SAR) degrades high-resolution image quality.
- Existing phase error correction methods have limitations, especially with real-world platform motion and propagation effects.
Purpose of the Study:
- To propose an advanced, high-resolution SAR optoelectronic processor.
- To integrate sensor-less adaptive optics (AO) techniques for accurate phase error correction.
Main Methods:
- Integration of conventional SAR processors with sensor-less AO.
- Application of AO techniques for adaptive phase error correction in SAR data.
Main Results:
- Demonstrated effectiveness of the proposed system in adaptive phase error correction.
- Significant improvement in high-resolution SAR imaging quality was observed.
Conclusions:
- The proposed SAR optoelectronic processor with sensor-less AO offers accurate phase error correction.
- This advanced system enhances the utility of high-resolution SAR imagery by mitigating motion-induced artifacts.
