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Compressive Stepped-Frequency Continuous-Wave Ground-Penetrating Radar

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5 Author(s)
Suksmono, A.B. ; Int. Res. Centre for Telecommun. & Radar-Indonesian Branch, Res. Center on Inf. & Commun. Technol. (PPTIK), Bandung, Indonesia ; Bharata, E. ; Lestari, A.A. ; Yarovoy, A.G.
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Data acquisition speed is an inherent problem of stepped-frequency continuous-wave (SFCW) radars, which may discourage further usage and development of this technology. We propose an emerging paradigm called compressed sensing (CS) to overcome this problem. In CS, a signal can be reconstructed exactly based on only a few samples below the Nyquist rate. Accordingly, the data acquisition speed can be increased significantly. A novel design of an SFCW ground-penetrating radar (GPR) with high acquisition speed is proposed and evaluated. Simulation by a monocycle waveform and actual measurement by a vector network analyzer at a GPR test range indicate the applicability of the proposed system.

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Geoscience and Remote Sensing Letters, IEEE  (Volume:7 ,  Issue: 4 )