| 单词 |
parabolic reflector |
| 释义 |
parabolic reflector
Thesaurus| Noun | 1. |  parabolic reflector - a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beamparaboloid reflectorparabolic mirror - a parabolic reflector for light radiationreflector - device that reflects radiation |
parabolic reflector
parabolic reflector[¦par·ə¦bäl·ik ri′flek·tər] (electromagnetism) An antenna having a concave surface which is generated either by translating a parabola perpendicular to the plane in which it lies (in a cylindrical parabolic reflector), or rotating it about its axis of symmetry (in a paraboloidal reflector). Also known as dish. (optics) paraboloidal reflector parabolic reflectorA light reflector whose surface is a paraboloid, i.e., a surface generated by rotating a parabolic section about its axis; if a small light source is placed at the focal point of the reflector, the reflected light will be concentrated in a nearly collimated beam parallel to the axis of the reflector.parabolic reflector
Related to parabolic reflector: Parabolic Reflector AntennaSynonyms for parabolic reflectornoun a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beamSynonymsRelated Words- parabolic mirror
- reflector
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