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| Citation: | 
|
An Ultra-high-resolution Microwave Photonic-based SAR Image Method Based on Space-variant Motion Error Analysis
DOI: 10.12000/JR18121
More Information-
Abstract
An ultrahigh-resolution microwave photonic-based Synthetic Aperture Radar (SAR) imaging method based on space-variant motion error analysis is proposed to solve the influence of space-variant motion error on microwave photonic-based SAR imaging. First, the judgment rules of the influence of space-variant motion error are proposed to analyze the residual space-variant motion error. Second, on the basis of the different judgment results of microwave photonic-based SAR system conditions, the corresponding imaging process is proposed. Finally, the proposed judgment rules and imaging method are verified by point simulation, and the measured data of the 10 GHz microwave photonic-based ultrahigh-resolution SAR are analyzed and imaged. The experimental results show the effectiveness of the proposed method. -
References
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JIN Yaqiu. Multimode remote sensing intelligent information and target recognition: Physical intelligence of microwave vision[J]. Journal of Radars, 2019, 8(6): 710–716. doi: 10.12000/JR19083
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- Figure 1. Data acquisition geometric model
- Figure 2. Algorithm flowchart
- Figure 3. Traditional SAR parameter analysis
- Figure 4. Microwave photonic-based SAR parameter analysis
- Figure 5. Traditional SAR imaging results
- Figure 6. Microwave photonic-based SAR imaging results
- Figure 7. 10 GHz microwave photonic-based SAR parameter analysis
- Figure 8. 10 GHz microwave photonic-based SAR imaging results
- Figure 9. Typical area of 10 GHz microwave photonic-based SAR imaging results