frequency reference
[ˈfriːkwənsi ˈrɛfərəns]
nounpl: frequency references
referência de frequência
1. A standard or baseline frequency used as a point of comparison or control in electronic, communications, or measurement systems
The atomic clock serves as the frequency reference for the entire GPS network.
O relógio atômico serve como referência de frequência para toda a rede GPS.
2. A signal or oscillator that provides a stable, known frequency for synchronization or calibration purposes
The transmitter uses a crystal oscillator as its frequency reference to maintain accurate broadcast.
O transmissor usa um oscilador de cristal como sua referência de frequência para manter a transmissão precisa.
3. In telecommunications and radio engineering, a predetermined frequency used to establish communication standards
Each cellular tower must maintain its frequency reference within strict FCC regulations.
Cada torre celular deve manter sua referência de frequência dentro dos regulamentos rígidos da FCC.
This is specialized technical terminology used primarily in engineering, telecommunications, and scientific fields in both English-speaking and Portuguese-speaking countries. The term is standardized in international technical documentation and there are minimal regional variations in usage.
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