A technique has been developed for calibrating the operating noise-temperature of low-noise earth station receiving systems. the technique, which consists of switching the maser input between the antenna and a microwave ambient termination, has been used on several antenna cone configurations for a deep space communications system. the details of the calibration technique, error analysis, and programming are presented.
Operating noise-temperature calibration of low-noise receiving systems
Microwave Journal ; 14 , 6 ; 41-46
1971
, 6 Bilder, 2 Tabellen, 20 Quellen
Article (Journal)
English
BIBLIOGRAPHIE , EMPFANG , MASER , RAUMFAHRT , RAUSCHEN , SATELLITENUEBERTRAGUNG , STATION , TEMPERATUR
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