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. 2021 Aug 30;21(17):5832. doi: 10.3390/s21175832

Figure 9.

Figure 9

Two-dimensional visual representations of the data distribution achieved by the T-SNE technique over the resulting feature spaces mapped by their corresponding SAE of the metallic bearing when analyzing: (a) vibrations signals in FD, (b) stator current signature in FD, (c) vibrations signals in TFD and (d) stator current signature in TFD.