| 2 | Observation of Edge Plasma Fluctuations with a Fast Camera in Heliotron J显示文摘A fast video camera is verified to be a powerful tool for observation of filaments/blobs near the last closed flux surface (LCFS).In order to extract the fluctuation component from the raw data of the fast camera,a pre-processing technique,sliding time window averaging subtraction (STWAS) has been developed to remove the background of slowly varying emission from the bulk plasma.By using this pre-processing technique,the fast camera data are analyzed.A method to identify the filaments in the pre-processed image is also discussed. | 臧临阁 M.TAKEUCHI N.NISHINO T.MIZUUCHI S.OHSHIMA K.KASAJIMA M.SHA K.MUKAI H.Y.LEE K.NAGASAKI H.OKADA T.MINAMI S.KOBAYASHI S.YAMAMOTO K.HANATANI Y.NAKAMURA S.KONOSHIMA F.SANO | 2013 | Plasma Science and Technology2013，15，3： | 0 |
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