Development of a high stability L-band radiometer for ocean salinity measurements

descriptionPublicationkeyboard_double_arrow_right Article , Conference object 25 May 2004Publisher:IEEEJournal:IGARSS 2003. 2003 IEEE International Geoscience and Remote Sensing Symposium. Proceedings (IEEE Cat. No.03CH37477), volume 2, pages 1,238-1,240

Authors: Tanner, A. B.; Wilson, W. J.; Pellerano, Fernando A.;

doi: 10.1109/igarss.2003.1294069

Development of a high stability L-band radiometer for ocean salinity measurements

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Abstract

An NEDT analysis of a Dicke radiometer with noise diode injection is presented. The analysis is formulated for a calibration that would form separate running averages of receiver noise temperature and of gain in order to minimize the NEDT and maximize the antenna observation duty cycle relative to the reference and noise diode duty cycles. Results are applied to the Aquarius ocean salinity radiometer problem to show that near ideal total-power radiometer performance is possible.

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