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

<div>The synthesis of axis orbit is to extract the first two times fundamental frequencies of the D11 and D12 signals by the CFSM-PCA. (a) The axis orbit. (b) Relationship between axis orbit and time.</div>

Shock and Vibration

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Figure 13

Figure 13: Feature Frequency Extraction Based on Principal Component Analysis and Its Application in Axis Orbit 