Chapter 16: Dynamic Range Flashcards
1
Q
What is dynamic range
A
Method of describing the extent to which a signal can vary and still maintain accuracy (# of available choices)
2
Q
Dynamic range is measured in what unit
A
Decibels
3
Q
Individual components of a system have ______ dynamic ranges
A
Different
4
Q
The dynamic range of information (decreases/increases) _______ the more it is processed
A
Decreases
5
Q
What part of the ultrasound machine has the highest dynamic range
A
Transducer
6
Q
What part of the ultrasound machine has the lowest dynamic range
A
Archive
7
Q
List the three dynamic range compression requirements
A
- largest signal must stay largest
- smallest signal must remain smallest
- Range of signal is reduced…. Duh
8
Q
If a dynamic range of 100dB undergoes 40dB of compression how much do we have left
A
60dB