研究目的
Investigating the capabilities of the IBIS-ArcSAR system for slope monitoring in open pit mines, focusing on overcoming the limitations of azimuth coverage and acquisition time present in previous GB-SAR systems.
研究成果
The IBIS-ArcSAR system overcomes the limitations of linear scanning systems, offering full 360° horizontal coverage with constant angular resolution and fast acquisition time. The proposed focusing algorithm and DEM reconstruction method provide well-focused images and consistent DEMs, though further improvements are needed for bench detail preservation.
研究不足
The study mentions that some details about the benches in the reconstructed DEM are not always preserved, indicating a limitation in the DEM reconstruction accuracy. Further work is ongoing to improve this aspect.
1：Experimental Design and Method Selection:
The study presents the IBIS-ArcSAR system, an innovative GB-SAR system that performs synthetic aperture by tracking an arc of a circle, equipped with MIMO radar channels for DEM reconstruction and enhanced focusing of 2D SAR images.
2：Sample Selection and Data Sources:
Real data from a test campaign in an open pit mine in Tuscany, Italy, were used.
3：List of Experimental Equipment and Materials:
The IBIS-ArcSAR system, consisting of a rotating mechanical arm with a MIMO Radar head.
4：Experimental Procedures and Operational Workflow:
The system's hardware setup, focusing algorithm, and DEM reconstruction procedure were described.
5：Data Analysis Methods:
The focusing algorithm compensates for elevation angle dependencies, and DEM reconstruction is performed through interferometric phase estimation and mesh processing.
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