brightness fluctuation
[/ˈbraɪtnəs ˌflʌktʃuˈeɪʃən/]
nounpl: brightness fluctuations
flutuação de brilho
1. A variation or oscillation in the intensity of light emitted or reflected by an object or surface
The brightness fluctuation in the LED display caused discomfort to viewers.
A flutuação de brilho no display LED causou desconforto aos espectadores.
2. In astronomy, the periodic or irregular changes in the luminosity of a star or celestial object
Scientists detected brightness fluctuations in the distant pulsar.
Os cientistas detectaram flutuações de brilho no pulsar distante.
3. Variations in illumination intensity over time in a given environment
The brightness fluctuation in the office lighting affected employee productivity.
A flutuação de brilho na iluminação do escritório afetou a produtividade dos funcionários.
This term is primarily used in technical, scientific, and engineering contexts in both Brazilian Portuguese and English. In Brazil, it's common in the fields of lighting technology, astronomy, and display manufacturing. The term has become increasingly important with the rise of digital displays and LED technology concerns about eye strain and flicker-induced headaches.
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