DocumentCode
752938
Title
Time-frequency images of magnetohydrodynamic phenomena in tokamak plasmas using a discrete-time Wigner distribution
Author
Figueiredo, António C A ; Bizarro, João P S
Author_Institution
Instituto Superior Tecnico, Lisbon, Portugal
Volume
30
Issue
1
fYear
2002
fDate
2/1/2002 12:00:00 AM
Firstpage
54
Lastpage
55
Abstract
A discrete-time Wigner distribution is used to yield a time-frequency representation of nonstationary magnetic activity at the edge of a tokamak plasma, thereby contributing to the magnetohydrodynamic analysis of the underlying phenomena, more precisely, to the identification of toroidal Alfven eigenmodes
Keywords
Tokamak devices; Wigner distribution; eigenvalues and eigenfunctions; plasma Alfven waves; plasma magnetohydrodynamics; Tokamak plasmas; discrete-time Wigner distribution; fusion plasmas; magnetohydrodynamic phenomena; nonstationary magnetic activity; plasma edge; time-frequency analysis; time-frequency images; time-frequency representation; toroidal Alfv6n eigenmodes; Heating; Magnetic analysis; Magnetic confinement; Magnetohydrodynamics; Plasma accelerators; Plasma confinement; Signal processing; Time frequency analysis; Tokamaks; Toroidal magnetic fields;
fLanguage
English
Journal_Title
Plasma Science, IEEE Transactions on
Publisher
ieee
ISSN
0093-3813
Type
jour
DOI
10.1109/TPS.2002.1003920
Filename
1003920
Link To Document