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https://hdl.handle.net/20.500.14279/3041
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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