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

Table 7

Inversion parameters of depth and radius of the defects.

	a	b	h/m	r/m	t/ns
RD1 line	0.70	0.56	0.52	0.13	6.26
RD2 line	0.74	0.58	0.54	0.13	6.55
RD3 line	0.55	0.49	0.56	0.08	6.14
RD4 line	0.50	0.46	0.54	0.08	5.56
RD5 line	0.74	0.61	0.50	0.17	5.81