Mode Selection Model for Rail Crack Detection Based on Ultrasonic Guided Waves

Table 5

Euclidean distances of modes at a frequency of 60 kHz.

Mode no.	X	Y	Z
1	0.0048	0.0047	0.0069
7	0.0050	0.0045	0.0071
11	0.0051	0.0079	0.0046