Table 2.

The results of 1 m search scope under different step lengths (zero baseline).

Search Step of 1 cm
X Coordinate	Y Coordinate	AFV
0.6	0	0.9997
0.6	−0.01	0.9926
0.6	0.01	0.9906
0.61	−0.01	0.9771
0.59	0.01	0.9767
0.59	0	0.9739
0.61	0	0.9724
0.6	−0.02	0.9693
0.61	−0.02	0.9657
0.6	0.02	0.9657
0.59	0.02	0.9636
Search Step of 2 cm
X Coordinate	Y Coordinate	AFV
0.6	0	0.9997
0.6	−0.02	0.9693
0.6	0.02	0.9657
0.62	−0.02	0.9104
0.58	0.02	0.9097
0.58	0	0.8970
Search Step of 4 cm
X Coordinate	Y Coordinate	AFV
0.6	0	0.9997
0.6	−0.04	0.8767