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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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Njoku, E. G.; Stacey, J. M.; Barath, F. T. "The Seasat scanning multichannel microwave radiometer (SMMR): Instrument description and performance," IEEE J. Ocean. Engin., Vol. 5, No. 2, P. 100-115, 1980. DOI:

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