et

kajavaba kamber

1

Terminological databases

EKI terminibaas Esterm

ID 722517 Last modified 30.12.2004
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Domain acoustics
kajavaba kamber preferred
anechoic chamber preferred
  • anechoic room - a room in which internal sound reflections are reduced to an ineffective value by extremely high sound absorption, eg by using glass-fibre wedges
kajavaba kamber preferred
anechoic chamber preferred
Usage examples
  • The warning device shall be tested in a sufficiently silent and open area (1) (ambient noise and wind noise at least 10 db (a) below the noise being measured) or in an anechoic chamber; the microphone of the measuring instrument shall be located in the direction in which the subjective sound level is at a maximum and 2 m from the front surface of the device, the microphone and the device being positioned at a height of 1.20 m above ground level.
kaiuton huone

Metroloogia terminibaas

ID 1185835 Last modified 11.07.2026
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Domain Standardisation - Metrologymeasuring instruments
kajavaba kamber preferred
  • ruum, mida piirab neelav seinakate, nii et seinu võib pidada elektromagnetlainete suhtes mittepeegeldavaks kindlas sagedusvahemikus
  • space bounded by absorbing wall coating, such that the walls can be considered as being non-reflective for electromagnetic waves in a stated frequency range
kajavaba kamber preferred
Usage examples
  • Kajavaba kamber on eri ruum, mis on loodud heli või elektromagnetiliste peegelduste täielikuks neelamiseks, simuleerides tõhusalt avatud vabavälja keskkonda, mis isoleerib katsed välisest mürast ja takistab lainete seintelt tagasipõrkamist, mistõttu on see kamber hädavajalik täpsete akustiliste, antenni- ja elektromagnetilise ühilduvuse testide jaoks.
anechoic chamber
Usage examples
  • An anechoic chamber is a specialized room designed to completely absorb sound or electromagnetic reflections, effectively simulating an open, free-field environment. These rooms isolate experiments from external noise and prevent waves from bouncing off walls, making them essential for precise acoustic, antenna, and electromagnetic compatibility testing.

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