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Imaging Below Irregular Terrain Using RF Tomography
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DOI：10.1109/TGRS.2012.2183136.png)
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Abstract
En 中文
Radio-frequency (RF) tomography is extended for imaging underground structures and tunnels assuming rough terrain. The theory of RF tomography described in an earlier paper remains applicable, provided that a numerical Green's function is computed. An FFT-based and intrinsically parallel method for obtaining numerical Green's functions is described. This method is corroborated with explicit formulas and implemented for RF tomography. Simulated data computed using a finite-difference time-domain code are used to demonstrate performance.
Keywords:
Green's functions
ground-penetrating radar
inverse problems
RF tomography
tunnel detection
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