Average U/S Values

Question 1

Average period in U/S

Answer 1

0.77-0.12 microseconds

Question 2

Average frequency in U/S

Answer 2

2-12.0 MHz

Question 3

Average wavelength in U/S

Answer 3

0.1-0.8 mm

Question 4

Average speed in soft tissue

Answer 4

1540 m/s or 1.54 mm/microsec

Question 5

Average impedance (z) of soft tissue

Answer 5

1.63 x 10^6 rayls

Question 6

Average pulse duration

Answer 6

0.5-3 microseconds

Question 7

Average pulse repetition frequency

Answer 7

1-10 KHz

Question 8

Average duty factor

Answer 8

0.001-0.01 (less than 1%)