Study of Track Irregularity Time Series Calibration and Variation Pattern at Unit Section

Table 1

Statistics table of similarity level and mileage correction distance.

Number	Adjacent inspection time	The maximum similarity level	Translational direction	Translation distance	Overall translation distance
1	2008-02-20 and 2008-03-06	235/299	Left	2	Left 2
2	2008-03-06 and 2008-03-23	270/299	Right	1	Left 1
3	2008-03-23 and 2008-04-09	267/299	Left	1	Left 2
4	2008-04-09 and 2008-04-24	264/299	Right	1	Left 1
5	2008-04-24 and 2008-05-26	243/299	Inalienable	0	Left 1
6	2008-05-26 and 2008-06-11	247/299	Left	1	Left 2
7	2008-06-11 and 2008-06-26	256/299	Left	1	Left 3
8	2008-06-26 and 2008-07-07	239/299	Left	1	Left 4
9	2008-07-07 and 2008-07-24	231/299	Right	2	Left 2
10	2008-07-24 and 2008-08-16	220/299	Left	19	Left 21
11	2008-08-16 and 2008-08-26	232/299	Inalienable	0	Left 21
12	2008-08-26 and 2008-09-08	254/299	Inalienable	0	Left 21
13	2008-09-08 and 2008-09-24	254/299	Right	4	Left 17
14	2008-09-24 and 2008-10-10	260/299	Left	1	Left 18
15	2008-10-10 and 2008-11-13	234/299	Inalienable	0	Left 18
16	2008-11-13 and 2008-12-12	246/299	Inalienable	0	Left 18
17	2008-12-12 and 2008-12-25	244/299	Inalienable	0	Left 18