Time-varying average frequency distribution of the GPR data reveals buried polygons. (IMAGE)

Chinese Academy of Sciences Headquarters

Time-varying average frequency distribution of the GPR data reveals buried polygons.

Caption

(top) Time-varying average frequency of the denoised GPR profile. Green segments denote the wedges of buried polygons. (bottom) Stacked amplitude spectrum produced by summing the time-varying average frequency along each trace for depths of 35–65 m.

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IGGCAS

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