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- W902568390 abstract "A novel precise method of time-frequency analysis is presented. In the algorithm, a new energy distribution is estimated by simultaneously discard or displacement of the classical spectrogram energy. A channelized instantaneous frequency and a local group delay are used in order to replacement in the same manner as formulated by Kodera et al. [1, 2]. Additionally, new representations: a channelized instantaneous bandwidth and a local group duration are used in order to remove some part of irrelevant energy. A newly obtained energy distribution called essential spectrogram is highly concentrated and signal mono-components are precisely localized in the time-frequency domain." @default.
- W902568390 created "2016-06-24" @default.
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- W902568390 date "2013-01-01" @default.
- W902568390 modified "2023-09-25" @default.
- W902568390 title "A novel method of time-frequency analysis: an essential spectrogram" @default.
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