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Article
Identification of the structure of large-scale MHD perturbations in a tokamak from Mirnov signals
An algorithm is proposed that allows one to identify the MHD mode structure in toroidal plasmas by processing signals from Mirnov probes measuring plasma MHD activity. The algorithm differs fundamentally from ...
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Article
The effect of error fields on the dynamics of a tearing mode in a tokamak
The features of the tearing mode dynamics in a tokamak that manifest themselves in an irregular mode rotation are demonstrated by using an algorithm for data processing that is based on the concept of the inst...
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Article
Empirical mode decomposition method for investigating the structure of large-scale MHD instabilities in a tokamak
A new approach to the processing of experimental data from MHD diagnostics is developed for the purpose of investigating the spatial structure of large-scale MHD instabilities in a tokamak. The empirical mode ...
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Article
Hilbert-Huang transform in MHD plasma diagnostics
A new method for processing experimental data from MHD diagnostics is discussed that provides a more detailed study of the dynamics of large-scale MHD instabilities. The method is based on the Hilbert-Huang tr...