TABLE II.

Holography errors associated with physical experiments.

	From experiments	From simulations
	($z\prime$ axis)	(z axis)
(a) Single-element transducer
${\mathrm{ϵ}}_{\text{max}}$	0.053	0.035
${\mathrm{ϵ}}_{\text{rms}}$	0.018	0.005
${\mathrm{ϵ}}_{\text{bw}}$	0.003	<0.001
(b) Seven-element array
${\mathrm{ϵ}}_{\text{max}}$	0.024	<0.001
${\mathrm{ϵ}}_{\text{rms}}$	0.011	<0.001
${\mathrm{ϵ}}_{\text{bw}}$	0.018	<0.001
(c) Convex imaging probe
${\mathrm{ϵ}}_{\text{max}}$	0.033	0.013
${\mathrm{ϵ}}_{\text{rms}}$	0.014	0.004
${\mathrm{ϵ}}_{\text{bw}}$	0.017	0.007