What determines the brightness of a dot in the pulse-echo image?
A 6 dB decrease corresponds to what reduction in intensity?
A 6 dB decrease corresponds to what reduction in intensity?
Scattering allows:
Scattering allows:
What frequency range qualifies sound as ultrasound?
What frequency range qualifies sound as ultrasound?
The Doppler effect measures:
The Doppler effect measures:
When sound hits a boundary between two media perpendicularly…
When sound hits a boundary between two media perpendicularly, what determines reflection vs. transmission?
Which unit measures attenuation?
Which unit measures attenuation?
The dominant cause of attenuation in soft tissue is:
The dominant cause of attenuation in soft tissue is:
The Doppler effect measures:
The Doppler effect measures:
What is the shape of the sector scan format display?
What is the shape of the sector scan format display?