Echo A lab: Week 6 Key Terms
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9 Terms
What is Hertz?
Cycles per second
What is Pulse repetition frequency?
Pulses per second
What is Frame rate?
Frames per second
What is Grayscale?
Display mode in which echo intensity is recorded as degrees of brightness or shades of gray
What is Far gain?
Control that affects the strength of the distant echoes in the image
What is Near gain?
The amplification of echoes returning from the near field
What is Noise?
Artifactual echoes resulting from too much gain rather than echoes from true anatomic structures
What is Resolution?
Ability to distinguish between two adjacent structures
What is Spatial resolution?
How closely positioned two reflectors can be to one another and still be identified as separate reflectors on an image display
Note 
Flashcards (25)