Centro de Fusão Nuclear

IEEE Transactions on Plasma Science

	Improved Time-Frequency Visualization of Chirping Mode Signals in Tokamak Plasmas using the Choi-Williams Distribution
	António C. A. Figueiredo, Maria Filomena F. Nave e os contributos EFDA-JET
	2005
	DOI
	Resumo
	The Choi-Williams distribution is used to create time-frequency images of chirping magnetohydrodynamic modes in the JET tokamak that have better resolution than plots based on the short-time Fourier transform spectrogram.