244
G. Bai et al.
Table 21.5 The parameter combinations of AE signals corresponding to IDs
ID
Elements of feature combinations
ID.5000003
Weighted
frequency
Frequency
band 1
Frequency
band 2
Frequency
band 3
Peak
frequency
ID.5000005
Weighted
frequency
Frequency
band 1
Frequency
band 2
Frequency
band 4
Peak
frequency
ID.5000008
Weighted
frequency
Frequency
band 1
Frequency
band 3
Frequency
band 4
Peak
frequency
ID.5000009
Weighted
frequency
Frequency
band 1
Frequency
band 3
Center
frequency
Peak
frequency
ID.5000010
Weighted
frequency
Frequency
band 1
Frequency
band 4
Center
frequency
Peak
frequency
ID.5000014
Weighted
frequency
Frequency
band 2
Frequency
band 4
Center
frequency
Peak
frequency
ID.5000016
Frequency band
1
Frequency
band 2
Frequency
band 3
Frequency
band 4
Peak
frequency
Fig. 21.4 Two-dimensional distribution of sample 6 cluster results