[5] [5] LI G Z. Machine learning in fuel consumption prediction of aircraft［C］//The 9th IEEE International Conference on Cognitive Informatics (ICCI), 2010: 358-363.

[6] [6] LI J, PETRE S. Efficient mixed spectrum estimation with applications to target feature extraction［J］. IEEE Tran sactions on Signal Processing, 1996, 44(2): 281-295.

[7] [7] MELVIN W L, WICKS M C. Improving practical space time adaptive radar［C］//IEEE National Radar Confe rence, Syracuse, New York, USA, 1997: 48-53.