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An extended Kalman-Bucy filter for atmospheric temperature profile retrieval with a passive microwave sounderAn extended Kalman-Bucy filter has been implemented for atmospheric temperature profile retrievals from observations made using the Scanned Microwave Spectrometer (SCAMS) instrument carried on the Nimbus 6 satellite. This filter has the advantage that it requires neither stationary statistics in the underlying processes nor linear production of the observed variables from the variables to be estimated. This extended Kalman-Bucy filter has yielded significant performance improvement relative to multiple regression retrieval methods. A multi-spot extended Kalman-Bucy filter has also been developed in which the temperature profiles at a number of scan angles in a scanning instrument are retrieved simultaneously. These multi-spot retrievals are shown to outperform the single-spot Kalman retrievals.
Document ID
19780061348
Document Type
Reprint (Version printed in journal)
Authors
Ledsham, W. H. (Massachusetts Inst. of Tech. Cambridge, MA, United States)
Staelin, D. H. (MIT Cambridge, Mass., United States)
Date Acquired
August 9, 2013
Publication Date
July 1, 1978
Publication Information
Publication: Journal of Applied Meteorology
Volume: 17
Subject Category
SPACECRAFT INSTRUMENTATION
Funding Number(s)
CONTRACT_GRANT: NAS5-21980
Distribution Limits
Public
Copyright
Other