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A new method to extract fetal electrocardiogram (FECG) signal from the mixed ECG signals is presented by introducing time-correlation to traditional independent component analysis (ICA). FECG signal extraction is a hot research topic because the FECG signal reflects the heart situation of the fetus and provides the basis of early diagnosis. In this paper, an objective function based on time-correlation...
The separation of non-stationary signals is a hot topic. The blind source separation algorithms based on time-frequency analysis can not only describe the time-domain feature and the frequency-domain feature of signals but also extract the time-varying feature of non-stationary signals. Blind source separation owns better performance in solving the problem of non-stationary signals separation. In...
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