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Ground-based SAR has become an important remote sensing technology means for deformation monitoring in recent years. However, in order to achieve higher efficiency data acquisition and wider observation, arc antenna array technology is applied to ground-based SAR. In this paper, a polar format imaging algorithm for arc antenna array ground-based SAR is proposed. Firstly, a brief background on ground-based...
Snapshot radar is microwave imaging technique based on antenna array signal processing, which can realize both of spatial resolution and temporal resolution of the observed scene. It has the characteristics of all-day, all-weather and fast imaging, therefore, it has wide application prospect in helicopter navigation, traffic monitoring, bridge building deformation detection and other fields. In this...
Phase unwrapping is an important part in the process of InSAR signal processing. When ground-based SAR is used for multistage mountain slope deformation monitoring, the mountain slopes are always separated by slope ladders. So the interferometric phase of every slope must be unwrapped by path-following methods respectively. In view of the multistage slope phase unwrapping, this paper proposed a mask...
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