[1] [1] Chen V C. Micro-Doppler effect of micromotion dynamics: a review[C]//Proceedings of SPIE-The International Society for Optical Engineering, 2003, 5102: 240-249.

[2] [2] Marple S L. Large dynamic range time-frequency signal analysis with application to helicopter Doppler radar data[C]//Signal Processing and ITS Applications, Sixth International, Symposium on. IEEE Xplore, 2001: 260-263.

[3] [3] Chen V C, Li F, Ho S S, et al. Micro-Doppler effect in radar: phenomenon, model, and simulation study[J]. IEEE Transactions on Aerospace & Electronic Systems, 2006, 42(1): 2-21.

[4] [4] Setlur P, Ahmad F, Amin M. Helicopter radar return analysis: Estimation and blade number selection[J]. Signal Processing, 2011, 91(6): 1409-1424.

[5] [5] Clemente C, Soraghan J J. GNSS-based passive bistatic radar for micro-doppler analysis of helicopter rotor blades[J]. Aerospace & Electronic Systems IEEE Transactions on, 2014, 50(1): 491-500.

[6] [6] Jiang Xiangwen, Zhao Qijun, Meng Chen, et al. Effect of helicopter roter blade shape on its radar signal characteristics[J]. Acta Aeronautica et Astronautica Sinica, 2014, 35(11): 3123-3136. (in Chinese)

[7] [7] Chen Peng, Hao Shiqi, Zhao Nanxiang, et al. Micro-Doppler analysis of helicopter′s rotor blades[J]. Infrared and Laser Engineering, 2013, 42(12): 3259-3264. (in Chinese)

[8] [8] Dong Jing, Chen Rui, Li Xiaolong, et al. Lidar coherent detection and feature ettraction of moving target based on micro-Doppler effect[J]. Chinese Journal of Lasers, 2012, 39(10): 199-202. (in Chinese)

[9] [9] Zhang Zhihu, Li Tie, Yang Xiaojun. The mathematical model of the target transient response of laser scattering[J]. Journal of Detection & Control, 2007, 29(5): 63-66. (in Chinese)

[10] [10] Seddon J. Basic Helicopter Aerodynamics[M]. UK: Wiley John & Sons, 2011: 74-78.

[11] [11] Xiang Daopu, Zhou Dongming, He Jianguo. Application of MLFMA in helicopter Doppler echo simulation[J]. The Chinese Journal of Radio Science, 2010, 25(6):1193-1198.

[12] [12] Baczyk M K, SamczynSki P, Kulpa K, et al. Micro-Doppler signatures of helicopters in multistatic passive radars[J]. Iet Radar Sonar Navigation, 2015, 9(9):1276-1283.

[14] [14] Wang Tong, Tong Chuangming, Li Ximin, et al. Research on extended micro-motion target echo simulation and characteristic extraction[J]. Acta Physica Sinica, 2015, 64(21): 148-156. (in Chinese)

[15] [15] Chen Yongbin, Li Shaodong, Yang Jun, et al. Rotor blades echo modeling and mechanism analysis of flashes phenomena[J]. Acta Physica Sinica, 2016, 65(13): 281-291. (in Chinese)