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单词 interference filter
释义 interference filter
[´in·tǝr`fir·ǝns ¦fil·tǝr]
ELECTRONICS
1. A filter used to attenuate artificial interference signals entering a receiver through its power line.
2. A filter used to attenuate unwanted carrier-frequency signals in the tuned circuits of a receiver.
OPTICS
An optical filter in which the wavelengths that are not transmitted are removed by interference phenomena rather then by absorbtion or scattering.
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