[1] Zhou W X. An overview on development of skywave over-the-horizon radar[J]. Acta Electronica Sinica, 39, 1373-1378(2011).

[2] Yan T, Chen J W, Luo H et al. Review of new system sky wave over-the-horizon radar technology[J]. Aerodynamic Missile Journal, 71-76(2015).

[3] He C J. Surface target location method of sky wave over-the-horizon radar[J]. Radar Science and Technology, 18, 568-572, 578(2020).

[4] Hou Q. Research on key technologies of multi-station passive localization based on TDOA and FDOA[D](2021).

[5] Li X S. Collaborative location and tracking technology based on TDOA/FODA/AOA[D](2017).

[6] Song P, Liu Y A. Multi-static sky-wave over-the-horizon radar location model based on improved dragonfly algorithm[J]. Laser & Optoelectronics Progress, 55, 112001(2018).

[7] Xue J K, Shen B. A novel swarm intelligence optimization approach: sparrow search algorithm[J]. Systems Science & Control Engineering, 8, 22-34(2020).

[8] Tang A D, Han T, Xu D W et al. Path planning method of unmanned aerial vehicle based on chaos sparrow search algorithm[J]. Journal of Computer Applications, 41, 2128-2136(2021).

[9] Tizhoosh H R. Opposition-based learning: a new scheme for machine intelligence[C], 695-701(2005).

[10] Zhao Q J, Li J, Yu J Y et al. Bat optimization algorithm based on dynamically adaptive weight and Cauchy mutation[J]. Computer Science, 46, 89-92(2019).

[11] Moharam M H, Gouda M, Hennawy H M E. Hybrid clipping-PTS using enhanced PSO with Cauchy mutation to reduce PAPR of FBMC 5G systems[J]. International Journal of Systems, Control and Communications, 10, 147(2019).

[12] Li Y H, Zhao Z G. An improved bat algorithm based on cross-border relocation and Gaussian mutation[J]. Computer Engineering & Science, 41, 144-152(2019).

[13] Huang G B. An insight into extreme learning machines: random neurons, random features and kernels[J]. Cognitive Computation, 6, 376-390(2014).

[14] Zhang T H, Yu J, Ye Z L et al. Classification model research of mixed kernel extreme learning machine based on particle swarm optimization[J]. Journal of Geomatics Science and Technology, 36, 56-61(2019).

[15] Mirjalili S. Dragonfly algorithm: a new meta-heuristic optimization technique for solving single-objective, discrete, and multi-objective problems[J]. Neural Computing and Applications, 27, 1053-1073(2016).

[16] Mirjalili S, Mirjalili S M, Lewis A. Grey wolf optimizer[J]. Advances in Engineering Software, 69, 46-61(2014).

[17] Mao Q H, Zhang Q. Improved sparrow algorithm combining Cauchy mutation and opposition-based learning[J]. Journal of Frontiers of Computer Science and Technology, 15, 1155-1164(2021).