非定常プラズマ実験デ-タのウィグナ-分布による解析
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概要
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The Wigner distribution whose usefulness for analyzing non-stationary signals was recently re-discovered, is reviewed and applied to some plasma experimental data. It is shown that better time and frequency resolved spectra can be obtained with the Wigner distribution, when compared to the conventional Fast Fourier Transform (FFT).It is also shown that the pseudo spectra which appear in the Wigner distribution can be suppressed with the aid of FFT.
- 社団法人 プラズマ・核融合学会の論文