[1] [1] YANG C D,YANG C C.A unified approach to proportional navigation［J］.IEEE Transactions on Aerospace and Electronic Systems,1997,33(2):557-567.

[2] [2] YANG C D,CHEN H Y.Nonlinear H∞robust guidance law for homing missiles［J］.Journal of Guidance,Control, Dynamics,1998,21(6):882-890.

[4] [4] MOOSAPOUR S H,BAGHERZADEH M,ALIZADEH G, et al.Backstepping guidance law design for missile against maneuvering targets［C］//ICCIA,2011：600-605.

[6] [6] SWARROOP D,HEDRICK J K,YIP P P,et al.Dynamic surface control for a class of nonlinear systems ［J］.IEEE Transactions on Automatic Control,2000,45(10):1893-1899.