Security Check Mutual Recognition between High-Speed Railway and Urban Rail Transit Based on Variable Fuzzy Set Theory

Table 4

The characteristic value of high-speed railway station A.

Parameter combination	Membership	Grade 1	Grade 2	Grade 3	Grade 4	Grade 5	H	Average
	Relative membership	0.48	0.46	0.09	0	0	1.64	1.60
	Membership after normalization	0.46	0.44	0.10	0	0
	Relative membership	0.46	0.47	0.15	0	0	1.72
	Membership after normalization	0.42	0.44	0.14	0	0
	Relative membership	0.46	0.42	0.01	0	0	1.49
	Membership after normalization	0.52	0.47	0.01	0	0
	Relative membership	0.42	0.45	0.03	0	0	1.56
	Membership after normalization	0.47	0.50	0.03	0	0