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What four Physical layer functions can a repeater perform?
Poggendorf Illusion
The Poggendorf Illusion is a visual illusion where a diagonal line intersecting two parallel lines appears misaligned due to the interruption by an obscuring pattern, illustrating how perception can be distorted by context.
Ponzo Illusion
A visual illusion where two horizontal lines of equal length appear to be of different lengths because of converging parallel lines in the background.
Müller-Lyer Illusion
A visual illusion where lines of the same length appear to be of different lengths due to the addition of arrow-like fins.
Just Noticeable Threshold
The minimum difference in stimulation that an individual can detect 50% of the time, also known as the difference threshold.
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