Abstract
Abstract Real time detection of ice fractures is crucial for the safety of Antarctic scientific research and understanding the ice cracking process caused by avalanches. Using a full-polarimetric ground penetrating radar (FP-GPR) system to detect ice fractures, the scattering matrix obtained is processed using polarization decomposition. Compared to traditional single polarization radar, we can obtain more comprehensive and intuitive information about ice fractures. This study uses the Time-lapse FP-GPR method to detect ice fractures, and extracts the polarimetric attributes of fracture targets using Pauli decomposition and Freeman decomposition methods. The results indicate that polarimetric target decomposition is an effective method for identifying fractures, and the results in this paper provide important theoretical support and technical guidance for using time-lapse FP-GPR to detect surface ice fractures in practice.
Published Version
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