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1 ширина диаграммы направленности в дальней зоне
Русско-английский физический словарь > ширина диаграммы направленности в дальней зоне
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2 ширина диаграммы направленности антенны в дальней зоне
Electronics: far-field beam widthУниверсальный русско-английский словарь > ширина диаграммы направленности антенны в дальней зоне
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Polarizer — For the photographic filter, see Polarizing filter (Photography). A polarizing filter cuts down the reflections (top) and made it possible to see the photographer through the glass at roughly Brewster s angle although reflections off the back… … Wikipedia
Lens (optics) — For other uses, see Lens. A lens. Lenses can be used to focus light. A lens is an optical device with perfect or approximate axial symmetry which tra … Wikipedia