Presented, with the permission of the Faculty of Social Sciences of the University of Helsinki, for public criticism in Auditorium XIV of the University Main Building, Aleksanterinkatu 5, on 21st May 1999 at 12 o'clock noon.This PhD thesis of 145 pages can be subscribed from the Library of the Finnish Meteorological Institute (FMI), P.O.Box 503, FIN-00101 Helsinki 10. Price FIM 150 (25 Euros).

You need a free Adobe Acrobat reader to study this thesis with its five papers:
Thesis: An overview
Paper1: ... Optimization ... - Prior art
Copyrighted when published under title: "A high-pass filter for Optimum Calibration of observing systems with applications" in: "Simulation and Optimization of Large Systems" Edited by Andrzej J. Osiadacz, pages 311-327, by Oxford University Press, Oxford, UK, in 1988.
Paper2: PCT/FI90/00122 - Fast Kalman Filtering (FKF)
Paper3: PCT/FI93/00192 - Extended FKF
Paper4: PCT/FI96/00621 - Adaptive FKF
Paper5: Balloon Tracking using a HYBRID System.
[There is a recent paper on the FKF method by Lange, Antti A. I. (2001): "Simultaneous Statistical Calibration of the GPS signal delay measurements with related meteorological data", Physics and Chemistry of the Earth, Part A: Solid Earth and Geodesy, Vol. 26, No. 6-8, pp. 471-473.]

* Last revised March 8, 2016.

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