chapter 16: dynamic range

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Last updated 1:50 AM on 4/29/26
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17 Terms

1
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threshold indicates?

the minimum

2
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saturation indicates?

the max, something that is oversaturated, too much

3
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define dynamic range

a method of describing the extend to which a signal can vary and still be accurately measured

4
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dynamic range is measured in units of?

db, decibels

5
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its a comparison, relative measurement or ration between the target and smallest signal that are measured acurately

dynamic range

6
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dynamic range is determined by?

the amount of processing the information undergoes

7
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dynamic range for transducer?

120

8
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dynamic range for receiver?

100-120

9
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dynamic range for scan converter?

40-50

10
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dynamic range for display?

20-30

11
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dynamic range for archive?

10-30

12
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dynamic range decreases the more it is?

processed

13
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reduces the dynamic range of a signal without creating errors

compression

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is compression adjustable?

yes

15
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what are the requirements for compression?

  • largest signal remains the largest

  • smallest signal remains the smallest

  • the range of signals is reduced

16
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describe narrow dynamic range

  • fewer choices of gray shades

  • “high contrast image'“

  • bistable image

17
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describe wide dynamic range

  • many choices of gray shades

  • '“low contrast image”

  • gray scale image