Table 1.

Table of errors averaged over ten steered fields. ϵ p_f is the error in the focal pressure amplitude, ϵ position is the distance between the simulated and measured focus (position of spatial peak pressure), and the l ₂ relative error norm.

Size	Positions	p0 variation	Crosstalk	ϵ pf(%)	ϵ position (mm)	l 2
✘	✘	✘	✘	20.9	3.3	0.75
✘	✘	✓	✘	20.8	3.3	0.75
✘	✘	✓	✓	3.5	3.1	0.51
✓	✘	✘	✘	19.7	3.3	0.74
✓	✘	✓	✘	19.6	3.3	0.74
✓	✘	✓	✓	4.2	3.1	0.51
✘	✓	✘	✘	21.6	1.1	0.57
✘	✓	✓	✘	21.5	1.2	0.59
✘	✓	✓	✓	3.3	1.4	0.35
✓	✓	✘	✘	20.4	1.0	0.55
✓	✓	✓	✘	20.3	1.2	0.58
✓	✓	✓	✓	4.0	1.5	0.37