Dynamic Time Warping Distance Method for Similarity Test of Multipoint Ground Motion Field

Table 1

The dynamic time warping distance between each point after mixing singular ground motion into the artificial multi-point ground motion field in Figure 1.

DTW distance	El Centro	200 m	400 m	600 m	800 m	1000 m	1200 m	1400 m	1600 m	1800 m	2000 m
El Centro	0	104	106	109	111	114	114	115	115	114	108
200 m	104	0	28	33	37	45	49	54	56	52	67
400 m	106	28	0	21	28	35	38	42	43	57	65
600 m	109	33	21	0	19	24	29	31	45	55	64
800 m	111	37	28	19	0	18	18	31	40	50	60
1000 m	114	45	35	24	18	0	19	25	35	45	58
1200 m	114	49	38	29	18	19	0	17	27	38	53
1400 m	115	54	42	31	31	25	17	0	19	31	48
1600 m	115	56	43	45	40	35	27	19	0	23	41
1800 m	114	52	57	55	50	45	38	31	23	0	33
2000 m	108	67	65	64	60	58	53	48	41	33	0