Feature Frequency Extraction Based on Principal Component Analysis and Its Application in Axis Orbit

<div>The time domain and frequency domain of the D11 and D12 sensors in the A-end face. (a) The time domain of D11. (b) The frequency domain of D11. (c) The time domain of D12. (d) The frequency domain of D12.</div>

Shock and Vibration

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Figure 9

Figure 9: Feature Frequency Extraction Based on Principal Component Analysis and Its Application in Axis Orbit 