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SPI Chapter 16

Dynamic Range

QuestionAnswer
what is dynamic range? extent of signal that vary and maintain accuracy
weak signals are? below the threshold
strong signals will? saturate the system
what are the units of dynamic range? decibels (dB)
when the information of dynamic range decreases that means...? the more it is processed
what does compression eliminate? potential errors by reducing dynamic range
when finding the compressed signal of dynamic range? you subtract
when finding the uncompressed signal of the dynamic range? you add
what does dynamic range equal? number of choices
is dynamic range adjustable by the sonographer? yes
narrow dynamic range consists of? bistable: fewer gray shades or high contrast
wide dynamic range consists of? gray scale: more gray shades or low contrast
Created by: Lazacha
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