en

parabolic reflector

1

Terminological databases

Meteoroloogia ja klimatoloogia terminibaas

ID 513958 Last modified 09.11.2022
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Domain atmosphere - climatology - meteorology - magnetosphere
paraboolantenn
dish
чашеобразная антенна
  • paraboolne raadio vōi radari signaali peegeldi tüüp; nimetust kasutatakse vahel ekslikult iga tüüpi radariantennide kohta
paraboolantenn
dish
чашеобразная антенна

Metroloogia terminibaas

ID 1126021 Last modified 07.12.2024
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Domain metrologymeasuring instruments
paraboolpeegel preferred
taldrikpeegel
paraboolreflektor
parabolic reflector preferred
  • peegeldav pind, mida kasutatakse energia, näiteks valguse, heli või raadiolainete koondamiseks või projitseerimiseks
  • reflective surface used to collect or project energy such as light, sound, or radio waves
paraboolpeegel preferred
Usage examples
  • Paraboolpeegel on peegel, mis tänu oma kujule koondab valgust, mille tõttu kasutatakse paraboolpeeglit peamiselt teleskoopides; paraboolpeegli kuju on osa ümmargusest paraboloidist, st pinnast, mille tekitab selle telje ümber pöörlev parabool, mis muudab piki telge liikuva sissetuleva tasapinnalise laine sfääriliseks laineks, mis läheneb fookuse poole; seevastu paraboolpeegli fookusesse paigutatud punktallika tekitatud sfääriline laine peegeldub tasapinnaliseks laineks, mis levib kollimeeritud kiirena piki telge.
taldrikpeegel
paraboolreflektor
taldrikreflektor
parabolic reflector preferred
Usage examples
  • Tbe shape of a parabolic reflector is part of a circular paraboloid, that is, the surface generated by a parabola revolving around its axis; the parabolic reflector transforms an incoming plane wave travelling along the axis into a spherical wave converging toward the focus; conversely, a spherical wave generated by a point source placed in the focus is reflected into a plane wave propagating as a collimated beam along the axis.

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