Most of the traditional compressed sensing ground penetrating radar imaging is performed in a two-dimensional form, and it is impossible to accurately determine the specific location of the underground target. In order to solve these problems, a three-dimensional imaging method is proposed for ground penetrating radar. In this method, the data is observed from a planar MIMO array, and a dictionary matrix is constructed into a three-dimensional model. Finally, the underground scene in three dimensions is reconstructed with the total variation minimization. The experimental results show that in the layered media scene, the proposed method can accurately image the target by using only a small amount of data.
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