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Proceedings Paper

Analysis of images in dielectric electric discharge
Author(s): Yafeng He; Lifang Dong; Han Yue; Weili Fan; Haitao Zhao; Li Yang
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Paper Abstract

Spatiotemporal patterns are obtained in gas discharge with increasing the voltage with the evolvement as following: random spots, quasihexagonal pattern, hexagonal pattern with large spot, hexagonal pattern with small spot, white-eye pattern, and chaos state. The structures of patterns are studied by analyzing the spatial correlation functions, Fourier spectrum and angular spectral distributions of patterns after the image processing to the images of patterns. Furthermore, the mechanism of the pattern formation is investigated, which indicates that hexagonal patterns both large and small spot are selected by the single mode, while the white-eye pattern results from a three wave resonance.

Paper Details

Date Published: 29 November 2007
PDF: 9 pages
Proc. SPIE 6833, Electronic Imaging and Multimedia Technology V, 683323 (29 November 2007); doi: 10.1117/12.755531
Show Author Affiliations
Yafeng He, Hebei Univ. (China)
Lifang Dong, Hebei Univ. (China)
Han Yue, Hebei Univ. (China)
Weili Fan, Hebei Univ. (China)
Haitao Zhao, Hebei Univ. (China)
Li Yang, Hebei Univ. (China)

Published in SPIE Proceedings Vol. 6833:
Electronic Imaging and Multimedia Technology V
Liwei Zhou; Chung-Sheng Li; Minerva M. Yeung, Editor(s)

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