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Vibration signals of Paderborn dataset under different working conditions. The horizontal axis represents the time and the horizontal axis are the acceleration data. Health signals (K001) under working conditions of 1, 2, 3 are shown in (a–c), respectively. Outer Race signals (KA04) under working conditions of 1, 2, and 3 are shown in (d–f), respectively. Inner Race signals (KI04) under working conditions of 1, 2, and 3 are shown in (g–i), respectively.
