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Features of ground-based calibration of the on-board radiometric systems with large antennas

V. A. Komyak, S. A. Shilo, A. S. Levada, S. Ye. Yatskevitch


The impact of antenna parameters of a microwave radiometric system on the accuracy of measurements of radio-brightness temperature in the Earth sounding from the outer space is considered. A method of calibration of microwave radiometric systems is suggested making it possible to estimate the applicability of various types of antennas for radiometric measurements, and to perform the pre-flight radiometric calibration of systems with highly directed antennas.

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