A Torsional Vibration Measurement Method for Rotating Blades Based on Blade Tip Timing

<div>Vibration simulation signal of the blade tip without bending of rigidity axis. (a) Original signal of torsion angle. (b) Undersampled signal of the torsion angle.</div>

Shock and Vibration

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Figure 11

Figure 11: A Torsional Vibration Measurement Method for Rotating Blades Based on Blade Tip Timing 