Design and Development of Array POS for Airborne Remote Sensing Motion Compensation
Abstract
:1. Introduction
2. Materials and Methods
2.1. Component and Layout of Array POS
2.2. Transfer Alignment Method Based on 6-D Deformation
2.2.1. Relative Inertial Navigation Algorithm
2.2.2. 6-D Deformation Method
- Strain Measurement Principle of FBG Sensors
- 2
- Strain Decoupling Approach
- 3
- Bending Model
- 4
- Torsion Model
- 5
- 6-D Deformation Model
2.2.3. Kalman Filter Based on Relative Navigation
2.3. Motion Conversion Method from Array POS to Array SAR
2.3.1. Relative Motion between Antennas
2.3.2. Multi-Antenna Motion
3. Results
3.1. Experimental Equipment
3.2. Experiment Results
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Antennas | 1 and 2 | 1 and 3 | 1 and 4 | 1 and 5 | 1 and 6 |
---|---|---|---|---|---|
Initial baseline length (m) | 0.5 | 1.1 | 4.5 | 5.1 | 5.6 |
Loading steps | 1st | 2nd | 3rd |
---|---|---|---|
Right wing (Static load) | 1 kg | 3 kg | 5 kg |
Left wing (Pulse load) | 1 kg (twice) | 3 kg (twice) | 5 kg (twice) |
Times | 210 s | 160 s | 210 s |
Antennas | Relative Position (mm) | Baseline Length (mm) | |||
---|---|---|---|---|---|
1st | 1 and 2 | 0.05 | 0.11 | 0.1 | 0.05 |
1 and 3 | 0.05 | 0.11 | 0.17 | 0.05 | |
1 and 4 | 0.05 | 0.09 | 0.26 | 0.05 | |
1 and 5 | 0.05 | 0.08 | 0.26 | 0.05 | |
1 and 6 | 0.05 | 0.09 | 0.26 | 0.05 | |
2nd | 1 and 2 | 0.06 | 0.12 | 0.14 | 0.06 |
1 and 3 | 0.05 | 0.12 | 0.24 | 0.06 | |
1 and 4 | 0.06 | 0.09 | 0.33 | 0.06 | |
1 and 5 | 0.06 | 0.09 | 0.31 | 0.06 | |
1 and 6 | 0.06 | 0.08 | 0.3 | 0.06 | |
3rd | 1 and 2 | 0.07 | 0.12 | 0.18 | 0.06 |
1 and 3 | 0.06 | 0.13 | 0.28 | 0.06 | |
1 and 4 | 0.06 | 0.09 | 0.41 | 0.06 | |
1 and 5 | 0.06 | 0.09 | 0.39 | 0.06 | |
1 and 6 | 0.07 | 0.09 | 0.38 | 0.07 | |
Maximum | 0.07 | 0.13 | 0.41 | 0.07 |
Antenna | Position (m) | Attitude (°) | |||||
---|---|---|---|---|---|---|---|
Latitude | Longitude | Height | Heading | Pitch | Roll | ||
1st | 1 | 0.01 | 0.01 | 0.01 | 0.004 | 0.003 | 0.002 |
6 | 0.01 | 0.01 | 0.01 | 0.008 | 0.003 | 0.002 | |
2nd | 1 | 0.01 | 0.01 | 0.03 | 0.006 | 0.006 | 0.007 |
6 | 0.01 | 0.01 | 0.02 | 0.004 | 0.003 | 0.001 | |
3rd | 1 | 0.02 | 0.01 | 0.03 | 0.006 | 0.007 | 0.008 |
6 | 0.02 | 0.01 | 0.03 | 0.005 | 0.003 | 0.003 | |
Maximum | 0.02 | 0.01 | 0.03 | 0.008 | 0.007 | 0.008 |
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Qu, C.; Li, J.; Bao, J.; Zhu, Z. Design and Development of Array POS for Airborne Remote Sensing Motion Compensation. Remote Sens. 2022, 14, 3420. https://doi.org/10.3390/rs14143420
Qu C, Li J, Bao J, Zhu Z. Design and Development of Array POS for Airborne Remote Sensing Motion Compensation. Remote Sensing. 2022; 14(14):3420. https://doi.org/10.3390/rs14143420
Chicago/Turabian StyleQu, Chunyu, Jianli Li, Junfang Bao, and Zhuangsheng Zhu. 2022. "Design and Development of Array POS for Airborne Remote Sensing Motion Compensation" Remote Sensing 14, no. 14: 3420. https://doi.org/10.3390/rs14143420