Table 4.

Speed and reflection CNR.

Object	Speed CNR	Reflection CNR	Speed m/s
1.6 mm	28.4	2.7	1949
1.15 mm	21.5	3.6	1786
1.0 mm	15.5	5.9	1657
0.84 mm	15.7	3.8	1626
0.75 mm	14.4	4.5	1611
0.65 mm	13.5	4.2	1610
0.50 mm	10.8	4.3	1582
0.40 mm	10.2	4.0	1574