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When we use the acoustic signal to diagnose gearbox faults, it will be affected by the nonlinear factors and other noise, and thus reduce the accuracy of diagnosis. ICA is a kind of signal processing method based on high order statistic, it can recover the source signals from the linearly mixed signals, but there are disadvantages in processing non-linearity signals, and the Kernel ICA, which is based...
The gear-box is the main part of self-propelled gun chassis, and its performance affects the fighting strength of self-propelled gun directly; There are masses of equipment working information in the acoustic signal, the acoustic test is a kind of non-contact measurement, and it can be applied for the un-decomposition test of complex mechanism. This paper took the gear wearing failure as a representative...
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