翻訳と辞書
Words near each other
・ nni
・ nntp
・ no
・ no-op
・ no-write allocation
・ noc
・ nodal
・ nodal switching system
・ noddy
・ node
noise
・ noise margin
・ noise shaping
・ nol
・ nomad
・ nomex underwear
・ nominal semidestructor
・ non parity
・ non return to zero inverted
・ non-algorithmic procedure


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noise : FOLDOC
noise
Any part of a signal that is not the true or original signal but is introduced by the communication mechanism.
A common example would be an electrical signal travelling down a wire to which noise is added by inductive and capacitive coupling with other nearby signals (this kind of noise is known as "crosstalk").
A less obvious form of noise is {quantisation} noise, such as the error between the true colour of a point in a scene in the real world and its representation as a pixel in a digital image.
(2003-07-05)



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