et

kaksportseadme punktmürategur

1

Terminological databases

Metroloogia terminibaas

ID 1186008 Last modified 21.07.2026
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Domain Standardisation - Metrologymeasuring instruments
  • väljundporti vastava väljundsageduse ribalaiuse ühiku kohta oleva müra koguvõimsuse ja sisendsagedusel müra tugitemperatuuril sisendklemmide poolt tekitatud müravõimsuse osa suhe
  • ratio of the total noise power per unit bandwidth at a corresponding output frequency available atthe output port to the portion of the above noise power produced at the input frequency by the input termination at the reference noise temperature
kaksportseadme punktmürategur
Usage examples
  • Kaksportseadme punktmürategur on kaksportseadme mürategur kindlal sagedusel, mida hinnatakse lõpmatult väikese umbes 1 Hz ribalaiuse ulatuses. See mürategur võimaldab hinnata, kui palju seade halvendab signaali ja müra suhet signaali läbimisel.
spot noise figure of a two-port device
Usage examples
  • The spot noise figureof a two-port device is the noise factor of a two-port device at a specific frequency, evaluated over an infinitesimally small bandwidth (1 Hz). It quantifies how much the device degrades the signal-to-noise ratio as the signal passes through it.
spot noise figure

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