释义 |
DictionarySeefilteroptical filter
optical filter[′äp·tə·kəl ′fil·tər] (computer science) filter optical filter
optical filterA device that passes only a portion of the visible light spectrum. Absorption filters absorb the unwanted wavelengths. Interference filters employ the wave effects of constructive and destructive superposition to pass or inhibit appropriate wavelengths. See also: filterFinancialSeeFilterAcronymsSeeoil filter |