Comparison of Model Prediction With Measurements of Galactic Background Noise at L-Band

David M. Le Vine, Saji Abraham, Yann H. Kerr, William J. Wilson, Niels Skou, Sten Schmidl Søbjærg

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

The spectral window at L-band (1.413 GHz) is important for passive remote sensing of surface parameters such as soil moisture and sea surface salinity that are needed to understand the hydrological cycle and ocean circulation. Radiation from celestial sources (mostly galactic) is strong in this window, and an accurate accounting of this background radiation is often needed for calibration. This paper presents a comparison of the background radiation predicted by a model developed from modern radio astronomy measurements with measurements made with several modern L-band remote sensing radiometers. The comparison validates the model and illustrates the magnitude of the correction necessary in remote sensing applications.
Original languageEnglish
JournalI E E E Transactions on Geoscience and Remote Sensing
Volume43
Issue number9
Pages (from-to)2018-2023
ISSN0196-2892
DOIs
Publication statusPublished - 2005

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