翻訳と辞書 |
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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