An Adaptive Noise Reduction Method Based on Improved Dislocation Superposition Method for Abnormal Noise Fault Component of Automotive Engine

<div>Schematic diagram of the quasiperiodic signal. <i>t</i> is the average period and Δ<i>t</i><sub>1</sub>, Δ<i>t</i><sub>2</sub>, and Δ<i>t</i><sub>3</sub> are the period deviations, respectively.</div>

Shock and Vibration

fig2

Figure 2

Figure 2: An Adaptive Noise Reduction Method Based on Improved Dislocation Superposition Method for Abnormal Noise Fault Component of Automotive Engine 

Figure 2 | An Adaptive Noise Reduction Method Based on Improved Dislocation Superposition Method for Abnormal Noise Fault Component of Automotive Engine 