多自由度飞行目标动态建模及其散射特性分析

doi:10.3969/j.issn.1001-506X.2019.11.01

Abstract

Abstract: Aiming at the efficient modeling technology of flying action targets, combined with the technical requirements of simulation calculation and micro-motion feature analysis, the system method of flight action target and micro-motion electromagnetic scattering feature analysis is given. The motion modeling of multi-degree-of-freedom flying targets is realized, and a complete flying action target efficient modeling technology is formed. Taking the helicopter rotation as an example to demonstrate the dynamic modeling effect, the micro-Doppler results obtained by the time-frequency analysis of the helicopter radar echo signal are consistent with the theoretical analysis when the main rotor and the tail are rotated.

Key words: multi-degree of freedom modeling, flying target, scattering characteristics, time-frequency analysis, micro-Doppler effect

LI Jianzhou, LIU Xiangwei, FAN Chaoqun, LIU Lu, QI Yutao. Geometric modeling and scattering characteristics analysis of multi-degree-of-freedom flying targets[J]. Systems Engineering and Electronics, 2019, 41(11): 2401-2407.

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Geometric modeling and scattering characteristics analysis of multi-degree-of-freedom flying targets

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