[1] [1] DAI Fang-zhen，CUI Zhan-zhong，LI Ming，et al. Method of Air Target Orientation by Electrode Scanning from an Electrostatic Detection System [J]. Acta Armamentar，2003，24(4)：479-483.

[2] [2] Kasteua K，Bar-shalom Y，Blair W D. Finite Difference Methods for Nonlinear Filtering and Automatic Target Recognition in Mutitarget-Multisensor Tracking Applications and Advances [M]. MA：Artech House，2000：233-258.

[3] [3] CHEN Xi. Research on the ground passive electrostatic detection technology [D]. Beijing：School of Mechatronics Engineering，Beijing Institute of Technology，2005.

[4] [4] WU Chun-ling, HAN Chong-zhao. Finite-Difference Extended Kalman Filtering Algorithm for Ballistic Target Tracking [J]. Journal of Xi’an Jiao Tong University，2008，42(2)：143-146，242.

[5] [5] LI Yin-lin，SHI Ju-sheng. Modeling Technology in Finite Element Analysis of Electrostatic Proximity Fuze Problem [J]. Journal of Beijing Institute of Technology，2000，9(3)：286-290