基于弹性波传播的高速道岔尖轨断轨识别
王平,刘乐,胡辰阳,龚政,徐井芒,王智新

Identification of switch rail brakeage in high speed railway turnout based on elastic wave propagation
Ping WANG,Le LIU,Chen-yang HU,Zheng GONG,Jing-mang XU,Zhi-xin WANG
表 4 健康尖轨信号衰减倍数
Tab.4 Attenuation multiple of health switch rail signal
f/kHz B1 B2
2 1.92 1.78
4 15 12
10 22 45
30 8.03×103 1.08×104