TABLE III.

Bandwidths (BWs) relative to the noise floor averaged across subjects and corresponding velocities before and after adaptive demodulation for the sonographer hand motion experiment (imaging cases 1–4). Standard error of the mean is shown in parenthesis for each measurement.

dB Above Noise Floor	Imaging Case	BW Before (Hz)	Velocity Before (mm/s)	BW After (Hz)	Velocity After (mm/s)
3	1 (PWSF, 7.8MHz)	477 (± 7.55)	23.5 (± 0.37)	227 (± 9.00)	11.2 (± 0.44)
3	2 (SPW, 7.8MHz)	413 (± 14.7)	20.3 (± 0.73)	168 (± 9.27)	8.29 (± 0.46)
3	3 (MPW, 7.8MHz)	567 (± 17.9)	28.0 (± 0.88)	647 (± 48.2)	31.9 (± 2.38)
3	4 (SPW, 3.1MHz)	403 (± 12.2)	49.7 (± 1.51)	255 (± 2.31)	31.4 (± 0.28)
25	1 (PWSF, 7.8MHz)	67.6 (± 4.17)	3.33 (± 0.21)	15.4 (± 3.63)	0.76 (± 0.18)
25	2 (SPW, 7.8MHz)	50.2 (± 2.79)	2.48 (± 0.14)	2.50 (± 0.31)	0.12 (± 0.02)
25	3 (MPW, 7.8MHz)	83.3 (± 7.54)	4.10 (± 0.37)	17.4 (± 1.87)	0.86 (± 0.09)
25	4 (SPW, 3.1MHz)	46.9 (± 1.66)	5.78 (± 0.20)	8.83 (± 0.64)	1.09 (± 0.08)