frequency offset
[ˈfriːkwənsi ˈɒfset]
nounpl: frequency offsets
desvio de frequência
1. A difference between an expected or reference frequency and an actual observed frequency in a signal or system
The receiver detected a frequency offset of 50 Hz in the incoming signal.
O receptor detectou um desvio de frequência de 50 Hz no sinal recebido.
2. In telecommunications, a systematic shift in carrier frequency due to Doppler effect, oscillator instability, or other factors
The communication system had to compensate for the frequency offset caused by the moving satellite.
O sistema de comunicação precisou compensar o desvio de frequência causado pelo satélite em movimento.
3. In digital signal processing, a deviation of the sampling clock frequency from its nominal value
The frequency offset between transmitter and receiver clocks caused symbol timing errors.
O desvio de frequência entre os relógios do transmissor e receptor causou erros de sincronização de símbolos.
This is a specialized technical term predominantly used in engineering, telecommunications, and signal processing fields in both Brazilian and American contexts. In Brazil, it is common to see both the Portuguese translation 'desvio de frequência' and the English term 'frequency offset' used interchangeably in technical documentation and academic settings, particularly in cities like São Paulo which has a strong engineering and technology sector.
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