An uncompressed signal has a dynamic range of 100dB. If it is compressed by 50dB, what is the new dynamic range?

An image that is created by superimposing the latest frame over older frames is called

Which parameter would change on a phantom test if the beam diameter is made narrower? a)Axial resolution b)Transverse resolution c)Horizontal distance registration d)Sensitivity

The accuracy of displaying low level echoes is called

How many bits are required to display 45 shades of gray

Where is kinetic energy the highest?

If an image is too dark, a sonographer should

The greatest inertial energy losses are as blood moves through what?

All of these are true of CW Doppler EXCEPT

All of the following is true regarding grating lobes EXCEPT: