[1] HAHN K U, SCHWARZ C W. Safe limits for wake vortex penetration[C]. Navigation and Control Conference and Exhibit, Hilton Head, USA: AIAA Guidance, 2007: 1-14.
[2] GERZ T, HOLZAPFEL F, DARRACQ D. Commercial aircraft wake vortices[J]. Progress Aerospace Science, 2002, 38(2): 181-208.
[3] FREDERIC B, PHILIPPE J, MATHIEU K, et al. Optimizing runway throughput through wake vortex detection, prediction and decision support tools[C]. Proceedings of ESAV'11, Capri, Italy, 2011: 27-32.
[4] VEILLETTE P R. Data show that U.S wake-turbulence accidents are most frequently at low altitude and during approach and landing[J]. Flight Safety Digest, 2002, 21(3-4): 1-47.
[5] FRIEDRICH K, STEPHAN R, IGOR S I. Characterization of aircraft wake vortices by 2-μm pulsed Doppler lidar[J]. Journal of Atmospheric and Oceanic Technology, 2004, 21(2): 194-206.
[6] STEEN M, SCHONHALS S, CARIOUS J P. Candidate technologies survey of airport wind & wake-vortex monitoring sensors[C]. 9th Innovative Research Workshop & Exhibition, 2010.
[7] AKBULUT M, HWANG J, KIMPEL F, et al. Pulsed coherent fiber lidar transceiver for aircraft in-flight turbulence and wake-vortex hazard detection[C]. Laser Radar Technology and Applications XVI, Proc. of SPIE Vol. 8037, 2011.
[8] GERZ T, HOLZAPFEL F, DARRACQ D. Commercial aircraft wake vortices[J]. Progress in Aerospace Sciences (S0376-0421), 2002, 38(3): 181-208.
[9] BARBARESCO F, MEIER U. Radar monitoring of a wake vortex: electromagnetic reflection of wake turbulence in clear air[J]. Comptes Rendus physique, 2010, 11(9): 54-67.
[10] FREHLICH R, SHARMAN R. Maximum likelihood estimates of vortex parameters from simulated coherent Doppler lidar data[J]. Journal of Atmospheric and Oceanic Technology, 2005, 22(11): 117-130.
[11] TAO Xiao-hong, HU Yi-hua, LEI Wu-hu, et al. Application of empirical mode decomposition in atmospheric echo processing of lidar[J]. Laser Technology, 2008, 32(6): 590-595.
[12] FRIEDRICH K, STEPHAN R, IGOR S. Characterization of aircraft wake vortices by 2 μm pulsed doppler lidar[J]. Journal of Atmospheric and Oceanic Technology, 2004, 21(2): 914-206.
[13] STEPHAN R, IGOR S. Aircraft wake vortex measurement with airborne coherent doppler lidar[J]. Journal of Aircraft, 2008, 45(4): 1148-1155.