An Intelligent Trajectory Prediction Algorithm for Hypersonic Glide Targets Based on Maneuver Mode Identification

Table 4

Comparison of prediction results in 150 s for different methods.

Maneuver modes		Weaving equilibrium glide	Weaving skip glide	Turning equilibrium glide	Turning skip glide	Mean time of prediction(s)
LSTM	(m)	958.75	1, 384.02	1, 651.39	2, 893.55	0.0153
	(m)	1, 631.40	2, 133.39	2, 682.99	6, 195.15
LSTM	(m)	626.39	718.68	834.120	2, 646.57	0.0156
	(m)	1, 099.51	1, 423.32	1, 861.15	6, 950.66
Fitting	(m)	59, 248.47	50, 351.25	178, 563.36	26, 832.49	0.0104
	(m)	160, 146.41	129, 858.74	383, 113.43	93, 577.18
Fitting	(m)	2, 115.92	8, 535.19	1, 727.90	12, 912.31	0.0106
	(m)	5, 678.43	26, 634.72	5, 038.86	39, 070.740
Pure LSTM	(m)	4, 837.72	4, 041.20	8, 633.52	3, 269.51	0.0085
	(m)	8, 109.31	9, 658.73	18, 070.91	13, 616.74