A Review on Migration Methods in B-Scan Ground Penetrating Radar Imaging

Table 1

Performances of focusing algorithms over different parameters for the simulated experiments.

Algorithm	Computation time (s)	Depth resolution (cm)	Azimuth resolution (cm)	ISLR (dB)
HSA	46.32	6.78	12	−13.15
KMA	9,372.70	5.43	4	−12.17
PSA	2.13	8.70	10	−13.02
𝜔-𝑘A	0.41	6.30	4	−12.75
BPA	4.29	7.70	5.8	−6.13