单词 | distortion |
释义 | distortion [di`stȯr·shǝn] ELECTRONICS Any undesired change in the waveform of an electric signal passing through a circuit or other transmission medium. ENGINEERING In general, the extent to which a system fails to accurately reproduce the characteristics of an input signal at its output. ENGINEERING ACOUSTICS Any undesired change in the waveform of a sound wave. OPTICS A type of aberration in which there is variation in magnification with the distance from the axis of an optical system, so that images are not geometrically similar to their objects. |
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