Inversion Model of GPR Imaging Characteristics of Point Objects and Fracture Detection of Heritage Building

Table 1

Imaging feature of the object in different radius.

r/m	h/m	Long axis (ar)	Short axis (br)	Hyperbolic formula
0.005	0.3	0.347	0.434
0.025	0.3	0.333	0.388
0.05	0.3	0.330	0.379
0.100	0.3	0.342	0.408