Three-dimensional reconstruction of precession warhead based on multi-view micro-Doppler analysis

doi:10.23919/JSEE.2024.000030

Journal of Systems Engineering and Electronics ›› 2024, Vol. 35 ›› Issue (3): 541-548.doi: 10.23919/JSEE.2024.000030

• HIGH-DIMENSIONAL SIGNAL PROCESSING • Previous Articles

Three-dimensional reconstruction of precession warhead based on multi-view micro-Doppler analysis

Rongzheng ZHANG¹(), Yong WANG¹^,*(), Jian MAO²()

¹ School of Electronics and Information Engineering, Harbin Institute of Technology, Harbin 150001, China
² Laboratory of Pinghu, Pinghu 314200, China

Received:2022-07-04 Accepted:2023-12-18 Online:2024-06-18 Published:2024-06-19
Contact: Yong WANG E-mail:1417438798@qq.com;wangyong6012@hit.edu.cn;71898568@qq.com
About author:
ZHANG Rongzheng was born in 1995. He received his B.S. and M.S. degrees from Harbin Institute of Technology (HIT), Harbin, China, in 2017 and 2019. He is now pursuing his Ph. D. degree in the Department of Electronic Information Engineering from HIT. His current research interests include inverse synthetic aperture radar imaging and micro-Doppler analysis. E-mail: 1417438798@qq.com

WANG Yong was born in 1979. He received his B.S. and M.S. degrees in electronic engineering from Harbin Institute of Technology (HIT), Harbin, China, in 2002 and 2004, respectively. He received his Ph.D. degree in information and communication engineering from HIT in 2008. He is a professor with the Institute of Electronic Engineering Technology in HIT. His main research interests are in the fields of time frequency analysis of nonstationary signal, radar signal processing, and their application in synthetic aperture radar imaging. E-mail: wangyong6012@hit.edu.cn

MAO Jian was born in 1991. He received his B.S. degree in information science and electronic engineering from Zhejiang University, Hangzhou, Zhejiang, China, in 2014, and M.S. degree from the Graduate School of the Defence Technology Academy of China Aerospace Science and Industry Corporation, Beijing, China, in 2017. He is currently a engineer at the Laboratory of Pinghu, Pinhu, China. His major research are radar signal and data processing. E-mail: 71898568@qq.com
Supported by:
This work was supported by the National Natural Science Foundation of China (61871146) and the Fundamental Research Funds for the Central Universities (FRFCU5710093720).

Abstract

Abstract:

The warhead of a ballistic missile may precess due to lateral moments during release. The resulting micro-Doppler effect is determined by parameters such as the target’s motion state and size. A three-dimensional reconstruction method for the precession warhead via the micro-Doppler analysis and inverse Radon transform (IRT) is proposed in this paper. The precession parameters are extracted by the micro-Doppler analysis from three radars, and the IRT is used to estimate the size of targe. The scatterers of the target can be reconstructed based on the above parameters. Simulation experimental results illustrate the effectiveness of the proposed method in this paper.

Key words: time-frequency analysis, inverse Radon transform (IRT), precession warhead

Rongzheng ZHANG, Yong WANG, Jian MAO. Three-dimensional reconstruction of precession warhead based on multi-view micro-Doppler analysis[J]. Journal of Systems Engineering and Electronics, 2024, 35(3): 541-548.

Figures/Tables 11

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References 20

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Parameter	Value	Parameter	Value	Parameter	Value
Carrier frequency/GHz	2	Spin angular velocity/(rad/s)	7π	Length of warhead/m	1.5
Pulse repetition frequency/Hz	1000	Cone angular velocity/(rad/s)	5π	Location of Radar A/m	[0,−500,−500]
Bandwidth/MHz	100	Precession angle/(°)	7	Location of Radar B/m	[300,−400,−500]
Dwell time/s	1	Bottom radius/m	1	Location of Radar C/m	[500,−100,−500]

Parameter	True value	Estimation
${\omega _c}$/(rad/s)	5π	4.9733π
${\omega _s}$/(rad/s)	7π	6.8484π
$\alpha $/(°)	7	7.2255
${\beta _{\mathrm{A}}}$/(°)	41.6534	42.5075
${\beta _{\mathrm{B}}}$/(°)	53.5387	53.3503
${\beta _{\mathrm{C}}}$/(°)	63.3028	61.8717
$r$/m	1	0.9261
$H$/m	1.5	1.4158
$ {{\bf{OZ}}} $	[−0.3214,−0.1170,−0.9397]	[−0.3214,−0.1170,−0.9397]

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Three-dimensional reconstruction of precession warhead based on multi-view micro-Doppler analysis

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