Research on Physical Simulation Method of Micro-Doppler Effect of Laser Scattering Echo

doi:10.16182/j.issn1004731x.joss.19-0391

Abstract

Abstract: In order to realize the physical simulation of the micro-Doppler effect of laser detection echo, a mathematical model of micro-Doppler effect for single-point motion is established. Two physics simulation methods for laser scattering echo micro-Doppler effect based on controllable vibrator and acousto-optical modulator are proposed, and two experiment systems are set up. The experimental results show that the two methods can achieve the modulation of laser wave echo. The advantage of the simulation scheme based on controllable vibration is that the simulation results are closer to the actual situation, but the frequency modulation range is smaller, while the scheme based on acousto-optical modulation has a large frequency modulation range, but it is difficult to overlap multiple motions.

Key words: micro-Doppler effect, acousto-optical modulator, physical simulation methods, target recognition

CLC Number:

TN249

Du Jian, Zhang Xing, Zhao Hongming, Gao Yang, Cao Qiang, Zhang Xinlan. Research on Physical Simulation Method of Micro-Doppler Effect of Laser Scattering Echo[J]. Journal of System Simulation, 2019, 31(8): 1469-1476.

References

[1] Chen V C.Analysis of radar micro-Doppler with time-frequency transform[P]. Statistical Signal and Array Processing, 2000. Proceedings of the Tenth IEEE Workshop on, 2000: 463-466.
[2] Chen V C, Ling H.Time-frequency transform for radar imaging and signal analysis[M]. Boston: Artech House, 2002.
[3] Li J, Ling H.Application of adaptive chirplet representation for ISAR feature extraction from targets with rotating parts[J]. IEEE Proc, Radar Sonar Navig (S2003-0729), 2003, 150(4): 284.
[4] Sparr T, Krane B.Micro-Doppler analysis of vibrating targets in SAR[J]. IEEE Proc, Radar Sonar Navig (S2003-0697), 2003, 150(4): 277-283.
[5] Chen V C.Spatial and temporal independent component analysis of micro-Doppler features[P]. Radar Conference, 2005 IEEE International, 2005.
[6] Thayaparan T, S Abrol, E Riseborough. Micro-Doppler radar signatures for intelligent target recognition[C]. DRDC Ottawa TM 2004-170, Defence R&D Canada, Ottawa, 2004.
[7] 元帅, 王学勤, 盛梅菊, 等. 激光微多普勒探测运动目标复合振动的实验研究[J]. 激光与红外, 2007, 37(10): 1036-1038.
Yuan shuai, Wang xueqin, Sheng meiju, et al. Experimental Research on Laser Micro-Doppler for Detecting Complex Vibration of Moving Target[J]. LASER&NFRARED, 2007, 37(10): 1036-1038.
[8] 张海洋, 赵长明, 蒋奇君, 等. 基于相干激光雷达的激光微多普勒探测[J]. 中国激光, 2008, 20(12): 53-59.
Zhang Haiyang, Zhao Changming, Jiang Qijun, et al.Laser Detection on Micro-Doppler Effect in Coherent Ladar[J]. Chinese Journal of Lasers, 2008, 20(12): 53-59.
[9] 张贤达. 现代信号处理 [M]. 2版. 北京: 清华大学出版社, 2002: 362-367.
Zhang Xianda.Modern signal processing[M]. 2th ed. Beijing: Tsinghua University Press, 2002: 362-367.
[10] 马宗峰, 张春熹, 张朝阳, 等. 光学外差探测信噪比研究[J]. 光学学报, 2007, 27(5): 889-892.
Ma Zongfeng, Zhang Chunxi, Zhang Zhaoyang, et al.Signal-Noise Ratio in Optical Heterodyne Detection[J]. ACTA Optica Sinica, 2007, 27(5): 889-892.
[11] 刘科祥, 许荣国, 吴振森, 等. 外场目标激光散射特性测量及分析[J]. 中国激光, 2006, 33(2): 206-212.
Liu Kexiang, Xu Rongguo, Wu Zhensen, et al.Measurement and Analysis of the Outfield Target’s Laser Scattering Characteristics[J]. Chinese Journal of Lasers. 2006, 33(2): 206-212.
[12] 吴婧. 运动目标激光微多普勒效应的仿真与分类识别[D]. 烟台: 烟台大学, 2010.
Wu Jing.Simulation and classification recognition of laser micro-doppler effect on moving targets[D]. Yantai: Yantai University, 2010.
[13] 原帅. 复合振动激光微多普勒效应的实验研究[D]. 烟台: 烟台大学, 2008.
Yuan Shuai.Experimental reaserch on micro-doppler effect of composite vibration laser[D]. Yantai: Yantai University, 2008.
[14] 孙洋, 原帅, 吴婧, 等. 转动目标微多普勒效应的激光相干探测[J]. 红外与激光工程, 2011, 40(6): 1054-1058.
Sun Yang, Yuan Shuai, Wu Jing, et al.Laser coherent detection on Micro-Doppler effect of rotational target[J]. Infrared and Laser Engineering, 2011, 40(6): 1054-1058.
[15] 盛美菊. 激光微多普勒效应特征提取的方法研究[D]. 烟台: 烟台大学, 2008.
Sheng Meiju.Research on feature extraction of laser micro-doppler effect[D]. Yantai: Yantai University, 2008.
[16] 李彦超, 丁群, 冉玲苓, 等. 多普勒振镜正弦调制多光束激光外差二次谐波测量微冲量[J]. 强激光与粒子束, 2014, 26(9): 201-205.
Li Yanchao, Ding Qun, Ran Lingling, et al.Second harmonic multi-beam laser heterodyne measurement for micro impulse based on oscillating mirror sinusoidal modulation[J]. High Power Laser and particle Beams. 2014, 26(9): 201-205.