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2026

Short-Time DOA-Based 3-D Imaging of Complex Subsurface Targets Using Array-Based Borehole Radar Observations

Characterizing the spatial distribution of subsurface geological structures is essential in engineering geology, geophysics, and related fields. Directional borehole radar (DBR), an array-based extension of conventional borehole radar, enables 3-D imaging within a single borehole for subsurface characterization. Howeve...

Jian-Fu Ni, Si-Xin Liu, Xue Han et al. · 0 citations
2026

3-D Imaging Method for Directional Borehole Radar Combining Migration and Radon Transform

In engineering investigation and energy exploration, accurately characterizing the spatial distribution of geological bodies is essential for ensuring construction safety and efficient resource utilization. As an important branch of borehole radar, directional borehole radar (DBR) enables 3-D reconstruction of geologic...

Jian-Fu Ni, Si-Xin Liu, Xue Han et al. · 0 citations

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