Application of Fourier and Wavelet Transforms to the Identification of EMI Noise Sources in SMPSs
- Coppola, Luisa
- Buso, Simone
- Liu, Q.
- Boroyevich, D.
- Bell, A.
Publication date
January 2005
DOI Publisher
Institute of Electrical and Electronics Engineers (IEEE)Abstract
The Fourier and wavelet transform are applied to analyze the signals in a power electronics converter. The wavelet transform makes it possible to have important information about the time evolution of the frequency spectrum. Thank to this cost-processing, the source of the harmonic peaks found in the Fourier spectrum can be identified in the time evolution of the signals of the circuit under stud
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