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Discharge fluctuations presentation by entropy maps
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SYSNO ASEP 0369786 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Discharge fluctuations presentation by entropy maps Author(s) Chumak, Oleksiy (UFP-V) RID
Hrabovský, Milan (UFP-V) RIDSource Title Book of Contributed Papers: 18th Symposium on Application of Plasma Processes and Workshop on Plasmas as a Planetary Atmospheres Mimics(SAPP XVIII). - Bratislava, : Department of Experimental Physics, Faculty of Mathematics,, 2011 / Országh J. ; Papp P. ; Matejčík Š - ISBN 978-80-89186-77-8 Pages s. 215-219 Number of pages 5 s. Publication form CD-ROM - CD-ROM Action Symposium on Application of Plasma Processes Workshop on Plasmas as a Planetary Atmosphere Mimics/18./ Event date 15.01.2011-20.01.2011 VEvent location Vrátna dolina Country SK - Slovakia Event type EUR Language eng - English Country SK - Slovakia Keywords Discharge stability ; plasma fluctuations ; statistical processing ; entropy maps Subject RIV BL - Plasma and Gas Discharge Physics R&D Projects GAP205/11/2070 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z20430508 - UFP-V (2005-2011) Annotation General statistical procedure for visualization of discharge fluctuations is presented in the paper. It implies mapping of chosen statistical parameter characterizing local brightness variation. It is shown that Shannon entropy that is adopted from the information theory is the most relevant parameter to describe uncertainty degree. Special processing was applied to suppress effect of optical path sensitivity. Resulting maps shows fluctuation space distribution. Their application in investigation of discharge structure is demonstrated on an example of thermal plasma jet. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2012
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