et

astrokompass

1 substantive

Terminological databases

Metroloogia terminibaas

ID 618708 Last modified 11.12.2023
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Domain metrologymeasuring equipment - control equipment
tähekompass preferred
astrokompass
  • navigatsioonimõõtevahend tõelise põhja suuna mõõtmiseks erinevate astronoomiliste kehade asendite kaudu
  • navigational tool for determining the direction of true north through the positions of various astronomical bodies
tähekompass preferred
Usage examples
  • Tähekompassi kasutatakse teatud olukordades, kus magnetkompassid ja gürokompassid on ebausaldusväärsed. Kõige ilmsem on see polaarpiirkondades, kus magnetkompassi nõelale avaldatav jõud on peaaegu vertikaalne ja gürokompassid muutuvad Maa pöörlemise tõttu ebastabiilseks.
astrokompass
astrocompass
Usage examples
  • Astrocompasses to use in certain circumstances when magnetic compasses and gyrocompasses are unreliable. The most obvious is in polar regions, where the force exerted on the needle of a magnetic compass is nearly vertical and gyrocompasses become unstable due to the rotation of the Earth.

Metroloogia terminibaas

ID 618303 Last modified 11.12.2023
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Domain metrologymeasuring instruments
taevakompass preferred
astrokompass variant
  • mõõtevahend, mida navigaatorid kasutavad päikese asukoha hindamiseks, kui see on paar kraadi horisondist allpool (nagu polaarööde ajal)
  • device used by navigators for estimating the position of the sun when it is a few degrees below the horizon (as during long polar twilights)
taevakompass preferred
Usage examples
  • Navigeerimisel orienteerumiseks on kasutatud taeva polarisatsiooni, nii kasutati Pfundi taevakompassi 1950. aastatel Maa magnetvälja pooluste lähedal navigeerimisel, kui päike ega tähed polnud nähtavad (nt päevase pilve või hämariku all).
astrokompass variant
sky compass
Usage examples
  • Sky polarization has been used for orientation in navigation. The Pfund sky compass was used in the 1950s when navigating near the poles of the Earth's magnetic field when neither the sun nor stars were visible (e.g., under daytime cloud or twilight).

Word forms

Inflection Type 22e

astrokompass astrokompassid
astrokompassi astrokompasside
astrokompassi astrokompasse ~ astrokompassisid

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