directivity pattern

[/dɪˈrɛktɪvɪti ˈpætərn/]
nounpl: directivity patterns
padrão de diretividade
1. A graphical or mathematical representation showing how a transducer (such as an antenna, microphone, or loudspeaker) radiates or receives energy in different directions
The antenna's directivity pattern shows maximum gain in the forward direction and nulls at the sides.
O padrão de diretividade da antena mostra ganho máximo na direção frontal e nulos nas laterais.
2. A polar diagram illustrating the sensitivity or radiation intensity of a device as a function of direction in space
Engineers analyzed the microphone's directivity pattern to optimize audio capture for the presentation.
Os engenheiros analisaram o padrão de diretividade do microfone para otimizar a captura de áudio da apresentação.
This is a specialized technical term primarily used in electrical engineering, telecommunications, and acoustic engineering fields. It is neutral across different English-speaking and Portuguese-speaking regions, though Brazil and Portugal may use slightly different spellings (diretividade vs. directividade). The term is essential in professional communication within the telecommunications and aerospace industries.
Synonyms / Sinônimos
radiation patternantenna patternpolar patternbeam patterndirectional pattern
Antonyms / Antônimos
omnidirectional patternisotropic pattern

Regional Variations

General Brazilian
padrão de diretividade
Standard technical term used in telecommunications and electrical engineering
Portugal
padrão de directividade
Alternative spelling with 'c'; same technical meaning as Brazilian Portuguese
Technical English (USA/UK)
directivity pattern
Primary term in engineering documentation and academic literature

Related Words

directivityantenna gainradiation resistancebeam widthside lobemain lobenull direction
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