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

Table 4

Vibration factors, orthogonal factors, and sensitivity data of modes 1, 7, and 11 at 60 kHz.

Mode no.	W1	W2	W
1	1	0.96	0.99
7	0	1	0.30
11	0.95	0.55	0.83