aperture 意味
EN
[ˈæp.ə.tʃə(r)] [ˈæp.ə.tjʊə(r)] [ˈæp.ɚ.tʃɚ] 日開口部, 絞り ウ開口 (光学)
- 開口（かいこう、英: aperture）とは、光学系において、光量を調整するために、光を吸収する板状のもので光を遮り、光を一部だけを通すようにした孔のことである。アパーチャーともいう。
- NDフィルターによる光量調整と異なり、焦点距離との関係であるF値や開口数が変化し、被写界深度や分解能が変化する。
- 名詞 (Noun)PLaperturesSUF-ure
- An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.
- (optics) Something which restricts the diameter of the light path through one plane in an optical system.
- (astronomy, photography) The diameter of the aperture (in the sense above) which restricts the width of the light path through the whole system. For a telescope, this is the diameter of the objective lens. e.g. a telescope may have a 100 cm aperture.
- (spaceflight, communication) The (typically) large-diameter antenna used for receiving and transmitting radio frequency energy containing the data used in communication satellites, especially in the geostationary belt. For a comsat, this is typically a large reflective dish antenna; sometimes called an array.
- (mathematics, rare, of a right circular cone) The maximum angle between the two generatrices.
- If the generatrix makes an angle θ to the axis, then the aperture is 2θ.
- An opening; an open space; a gap, cleft, or chasm; a passage perforated; a hole; as, an aperture in a wall.
- より多くの例
- 文の途中で使用される
- The apertures of the tympanic membrane and the subtympanic foramen were selected as reasonable vectors for air-borne sound energy, and the surface areas of these apertures (A x ) were measured.
- The nasal aperture forms a more opened angle in the proviverrine Cynohyaenodon cayluxi and a slightly sharper angle in P.
- 文の途中で使用される
Definition of aperture in English Dictionary
- 品詞階層 (Part-of-Speech Hierarchy)
- 名詞
- 可算名詞
- 可算名詞
- 名詞
出典: ウィクショナリー
文法的に、この単語"aperture"は 名詞、より具体的に、可算名詞です。