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Journal of Sensors
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2018
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Article
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Fig 3
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Research Article
Inversion Model of GPR Imaging Characteristics of Point Objects and Fracture Detection of Heritage Building
Figure 3
(a–d) GPR imaging of different radius (
r
= 0.005 m, 0.025 m, 0.05 m, and 0.1 m).
(a)
(b)
(c)
(d)