Wavelet Correlation between Electrostatic and Magnetic Plasma Oscillations in the Tokamak TBR

概要

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XX7ave1et spectrtrnaa ?tnd 1.cisjcecLrtrzn teclaniqtres xvere apj'clied to study nozastationatry ttrr'btrlettceat the Pl2XSlIlEX edge of the TBR tokaraaak. Eviderace of vtoralinear plaase covrpling is taaore sigrtific;'tntf'or nuagnetic tlaara for electrostatic fltrcttratiotus. Ota 21 single discharge basis, tlae d?tt?r ;xlsoexhi1.cit iratertnittent episodes of' lineaxr atnd ruonalinear cotrplirag betxveeta electr'ostatic and magtaeticfield oscillations. Fttrtlaerttaore, ajcplic;xtiota of' resonant perttrrbitag ttaagnetic fields redtrces thea'tzaaplittrde of' loxv f'reqtretacy fltrcttratiotas ;t?ad slaift tlte freqtrerrcy range of' the taaaxira'rurn qttadraticinter'naittettt cotrpling to larger SC2l16S. Tluese alteratiozus, ol.cserved not only f'or' taaagnetic T.ctrt alsoL'or electr'ostatic oscillatiorrs, sttjoport the possibility of' r'ottghly alterirag electrost;rtic oscillatioras,tlaerefore trarasporL, tlarovxgl'x cotatrolling oscillating xxaavgraetic fields.
1999-05-15