A Heavy-Haul Railway Corrugation Diagnosis Method Based on WPD-ASTFT and SVM

Table 1

The Renyi entropy values for a normal section and a corrugation section.

Sample sections	Subsignal 1	Subsignal 2	Subsignal 3	Subsignal 4	Subsignal 5	Subsignal 6
Normal section	13.43	17.18	19.31	18.64	17.73	19.77
Corrugation section	15.74	16.85	18.58	18.33	17.74	19.25