frequency deviation
[ˈfriːkwənsi ˌdiːviˈeɪʃən]
nounpl: frequency deviations
desvio de frequência
1. The difference between the instantaneous frequency of a modulated wave and the center frequency of the carrier signal
The frequency deviation in FM transmission determines the bandwidth required for the signal.
O desvio de frequência na transmissão FM determina a largura de banda necessária para o sinal.
2. In telecommunications, the maximum shift in frequency from the carrier frequency during modulation
A larger frequency deviation results in a wider frequency spectrum.
Um desvio de frequência maior resulta em um espectro de frequência mais amplo.
3. The variation or difference from an expected or nominal frequency value
The oscillator's frequency deviation exceeded acceptable tolerance limits.
O desvio de frequência do oscilador excedeu os limites de tolerância aceitáveis.
This is a specialized technical term primarily used in telecommunications, radio engineering, and signal processing fields. It is equally understood in both Brazilian Portuguese and European Portuguese technical communities, with no significant regional variations in usage or meaning.
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