Research Article
Bearing Fault Diagnosis Based on Spatial Features of 2.5 Dimensional Sound Field
Figure 7
The 2.5D sound field model obtained under experimental conditions. (a) Normal state source image; (b) fault state source image; (c) normal state holographic sound image; (d) fault state holographic sound image; (e) normal state difference sound image; (f) fault state difference sound image.
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