Abstract
For rapid development and wide application of UAV, high-resolution imaging radar suitable for UAV is more and more requirement. Miniature Synthetic Aperture Radar (MiniSAR) can be equipped with medium/low altitude UAV platform, which applies to the remote sensing tasks in hazardous and harsh conditions. Thus, it plays a pivotal role in geographical situation monitoring. The merit of high-performance MiniSAR is light weight, low-cost, low power consumption. Moreover, it has high resolution, interferometric and fully polarimetric imaging capabilities. Currently this paper does introduce the hardware components, system functionality and property of MiniSAR. The system is employed for the flight testing in Jishan County of Shanxi to achieve fully polarization and interference SAR imagery with 0.3 m resolution. Considering the fact that the fully polarization SAR imagery contains abundance of ground target’s backscattering characteristics, it can be available for terrain classification, crop monitoring and other fields. For the SAR interferometry, DSM and DOM are obtained after phase unwrapping, block adjustment and other interference processing. Finally, the accuracy is verified using checkpoints. The result meet the requirements of topographic mapping at a scale of 1:5000. The applicability of MiniSAR system in the application of geographic condition monitoring is verified.
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Acknowledgments
This work was supported by the subject that Study on Air-ground integration of Holographic three-dimensional Data Acquisition and Demonstration Area Experiment, Chinese Academy of Surveying and Mapping, and National High Technology Research and Development Plan, under grant 2013AA092105.
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Shi, X., Huang, G., Qiao, M., Wang, B. (2017). Geographical Situation Monitoring Applications Based on MiniSAR. In: Yuan, H., Geng, J., Bian, F. (eds) Geo-Spatial Knowledge and Intelligence. GRMSE 2016. Communications in Computer and Information Science, vol 698. Springer, Singapore. https://doi.org/10.1007/978-981-10-3966-9_40
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DOI: https://doi.org/10.1007/978-981-10-3966-9_40
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