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Τίτλος: Modeling of an impact transducer for in situ adaptive disdrometer calibration
Συγγραφείς: Kasparis, Takis 
Lane, John E. 
Jones, Linwood W. 
metadata.dc.contributor.other: Κασπαρής, Τάκης
Major Field of Science: Engineering and Technology
Field Category: Electrical Engineering - Electronic Engineering - Information Engineering
Λέξεις-κλειδιά: Calibration;Mathematical models;Transducers;Meteorological instruments
Ημερομηνία Έκδοσης: Μαρ-2010
Πηγή: 4th International Symposium on Communications, Control, and Signal Processing ISCCSP, 2010, pp. 1- 4
Conference: International Symposium on Communications, Control, and Signal Processing (ISCCSP) 
Περίληψη: In situ calibration of a rainfall impact disdrometer using a collocated tipping bucket rain gauge has been previously reported. Several factors affect the accuracy of this technique. These include the specific mathematical model of the transducer, tipping bucket errors, clock/time accuracy, switch delay time and calibration reference window used to update the transducer model coefficients. In this work, two general forms of an empirical transducer model have been investigated: a simple two-coefficient power-law and an Nth order polynomial, where the input is a specific measure of the electrical signal from the transducer and the output is the hydrometeor diameter. Even though previous work allowed for a more general non-linear transducer model description, the subsequent implementation of an adaptive calibration algorithm required use of a steepest descent recursive gradient search algorithm, which can be difficult to implement in a realtime system. Linear transducer models allow an implementation suitable in a real-time signal processing system.
URI: https://hdl.handle.net/20.500.14279/3041
ISBN: 978-142446285-8
DOI: 10.1109/ISCCSP.2010.5463471
Rights: © 2010 IEEE
Type: Conference Papers
Affiliation: University of Central Florida 
Publication Type: Peer Reviewed
Εμφανίζεται στις συλλογές:Δημοσιεύσεις σε συνέδρια /Conference papers or poster or presentation

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