Bulg. J. Phys. vol.19 no.3-4 (1992), pp. 080-088

Calibration Procedure, Linearity Tests and Error Analysis of Microwave Dicke-Type Radiometers

B.I. Vichev, K.G. Kostov, E.N. Kresteva
Institute of Electronics, Bulgarian Academy of Sciences, 72, Tzarigradsko chaussee Blvd, Sofia 1784, Bulgaria
Abstract. Design, calibration procedure, linearity tests and error analysis of microwave Dicke-type radiometers with built-in subsystem for internal calibration are presented. Special care is taken to ensure exact numerical correspondence between the values of the input and output signals. A formula for the absolute error estimation is obtained.

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