TABLE I.

Parameter Study Default Parameters.

D0	Displacement amplitude	1000 nm
ϕs	Vibration phase	0°
Nc	Cycles of vibration	5
Np	Sampled points per vibration cycle	20
fv	Vibration frequency	200 Hz
ff	Ultrasound frequency	9.0 MHz
Fs	Sampling frequency	100 MHz
BW	Transducer bandwidth	6.5%
lg	Gate length	1.0 mm
c	Speed of sound	1540 m/s
Ns	Scatterers/resolution cell volume	11
Ex	Excitation beam width in x direction	0.17 mm
Ey	Excitation beam width in y direction	0.17 mm
Ez	Excitation beam width in z direction	1.80 mm
Tx	Tracking beam width in x direction	0.078 mm
Ty	Tracking beam width in y direction	0.078 mm
Tz	Tracking beam width in z direction	0.83 mm
xv	x dimension of scattering volume	1.0 mm
yv	y dimension of scattering volume	1.0 mm
zv	z dimension of scattering volume	5.0 mm
N	Iterations	1000