期刊
IEEE SIGNAL PROCESSING LETTERS
卷 9, 期 3, 页码 92-95出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/97.995826
关键词
classification; matching pursuit; time-frequency
We propose a time-frequency (TF) technique designed to match signals with multiple and different characteristics for successful analysis and classification. The method uses a modified matching pursuit signal decomposition incorporating signal-matched dictionaries. For analysis, it uses a combination of TF representations chosen adaptively to provide a concentrated representation for each selected signal component. Thus, it exhibits maximum concentration while reducing cross terms for the difficult analysis case of multicomponent signals of dissimilar linear and nonlinear TF structures. For classification, this technique may provide the instantaneous frequency of signal components as well as estimates of their relevant parameters.
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