- effective aperture
- эффективный раскрыв, эффективная апертура
Большой англо-русский и русско-английский словарь. 2001.
effective aperture
Смотреть что такое "effective aperture" в других словарях:
effective aperture — efektyvioji apertūra statusas T sritis fizika atitikmenys: angl. effective aperture; working aperture vok. effektive Apertur, f; wirksame Apertur, f; wirksame Öffnung, f rus. действующая апертура, f; эффективная апертура, f pranc. ouverture… … Fizikos terminų žodynas
effective aperture — noun : the diameter of the entrance pupil of an optical system; specifically : the apparent diameter of the diaphragm opening in a camera lens as seen through the front of the lens … Useful english dictionary
Aperture synthesis — or synthesis imaging is a type of interferometry that mixes signals from a collection of telescopes to produce images having the same angular resolution as an instrument the size of the entire collection. At each separation and orientation, the… … Wikipedia
Aperture — For other uses, see Aperture (disambiguation). f stops demonstrated on a lens … Wikipedia
Aperture — F/A/V A variable opening inside a lens that regulates the amount of light reaching the image plane. Also known as an iris. (Camera/Lighting) PP A variable opening in a camera lens to control the amount of light that hits the film or image sensor … Audio and video glossary
Antenna effective area — In telecommunication, antenna effective area or effective aperture is the functionally equivalent area from which an antenna directed toward the source of the received signal gathers or absorbs the energy of an incident electromagnetic wave. Note … Wikipedia
relative aperture — noun : a measure of the angle of the cone of light rays from an object that traverse an optical system; specifically : the effective aperture of a camera lens expressed as a fraction of its focal length with the symbol f being used instead of 1… … Useful english dictionary
working aperture — efektyvioji apertūra statusas T sritis fizika atitikmenys: angl. effective aperture; working aperture vok. effektive Apertur, f; wirksame Apertur, f; wirksame Öffnung, f rus. действующая апертура, f; эффективная апертура, f pranc. ouverture… … Fizikos terminų žodynas
ouverture effective — efektyvioji apertūra statusas T sritis fizika atitikmenys: angl. effective aperture; working aperture vok. effektive Apertur, f; wirksame Apertur, f; wirksame Öffnung, f rus. действующая апертура, f; эффективная апертура, f pranc. ouverture… … Fizikos terminų žodynas
Numerical aperture — The numerical aperture with respect to a point P depends on the half angle θ of the maximum cone of light that can enter or exit the lens. In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes… … Wikipedia
Synthetic aperture radar — (SAR) is a form of radar in which the highly directional (and thus very large) rotating antenna used by conventional radar is replaced with many low directivity small stationary antenna positions scattered over some area near or around the target … Wikipedia
