This paper proposes a wideband reconfigurable metasurface (WRM) for full-polarization ground-penetrating radar (FP-GPR). By adjusting the switching states of positive intrinsic negative diodes, the WRM can precisely and efficiently control the polarization of radar signals. Additionally, without increasing the number of antennas or altering their positions, the WRM enables complex antenna configurations of FP-GPR. On this basis, we develop an FP-GPR detection system based on the WRM. Simulation and experimental results confirm that WRM enables rapid and accurate polarization switching. By applying Pauli synthesis to the full-polarization data, the system achieves fast detection and high-precision imaging in FP-GPR applications. The proposed WRM, featuring compact size and lightweight characteristics, offers a cost-effective, flexible, and high-degree-of-freedom solution for FP-GPR applications.
Article link: https://doi.org/10.1063/5.0270962
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