Ümbrustemperatuuri müraallikas on kalibreerimisvahend, mis on kasutusel raadiosagedus-, mikrolaine- ja optilistes süsteemides stabiilse, teadaoleva termilise müra taseme genereerimiseks temperatuuril, umbes 290 K. See müraallikas toimib tugiallikana süsteemi mürateguri või müratemperatuuri arvutamisel.
An ambient temperature noise source is a calibration tool used in radio frequency, microwave, and optical systems to generate a stable, known level of thermal noise (typically at room temperature, around 290 K). It serves as a baseline reference point for calculating a system's noise figure or noise temperature.
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