Abstract
In order to get rid of vibration noise signal in the shock wave test, according to the measured shock wave pressure signal and the interference signal, the signal is decomposed by EMD to calculate the correlation of the components. Then the signal, strong correlation with the interference signal, is selected to carry out noise reduction and synthesis processing, and the parameters such as pressure peak and action time are extracted. The verification shows that the proposed method can effectively eliminate the interference signal caused by vibration during the test.
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