A Short Time 3D Geometry Reconstruction Method of Space Targets

Dan XU; Jixiang FU; Guangcai SUN; Mengdao XING; Tao SU; Zheng BAO

doi:10.11999/JEIT180936

Volume 41 Issue 8

Aug. 2019

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Article Navigation > Journal of Electronics & Information Technology > 2019 > 41(8): 1952-1959

Dan XU, Jixiang FU, Guangcai SUN, Mengdao XING, Tao SU, Zheng BAO. A Short Time 3D Geometry Reconstruction Method of Space Targets[J]. Journal of Electronics & Information Technology, 2019, 41(8): 1952-1959. doi: 10.11999/JEIT180936

Citation:

Dan XU, Jixiang FU, Guangcai SUN, Mengdao XING, Tao SU, Zheng BAO. A Short Time 3D Geometry Reconstruction Method of Space Targets[J]. Journal of Electronics & Information Technology, 2019, 41(8): 1952-1959. doi: 10.11999/JEIT180936

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A Short Time 3D Geometry Reconstruction Method of Space Targets

doi: 10.11999/JEIT180936

1.
National Laboratory of Radar Signal Processing, Xidian University, Xi’an 710071, China
2.
Collaborative Innovation Center of Information Sensing and Understand, Xidian University, Xi’an 710071, China

Funds: The National Key Research and Development Program of China (2017YFC1405600)

Received Date: 2018-10-08
Rev Recd Date: 2019-04-08

Available Online: 2019-04-23

Publish Date: 2019-08-01

Abstract

Abstract

Generally speaking, Three Dimension (3D) imaging of spinning space target is obtained by performing matrix factorization method on the scattering trajectories obtained from sequential radar images. Because of the errors of scattering center extraction and association, the 3D reconstruction accurate is reduced or even fail. In addition, the scattering center trajectory from turntable target consists with circle nature, which is inconsistent with the elliptic property of the scattering center trajectory obtained by optical geometry projection. To tackle these problems, this paper proposes a short time 3D reconstruction method of space target. Firstly, the retrieved trajectory is fitted with 2D circular nature to make the trajectory smooth and closer to the theoretical curve. Then the radar Line Of Sight (LOS) is estimated by multiple views and the circular curve is converted into elliptical curve by multiplying the coefficients calculated by the LOS. The 3D reconstruction can be obtained by performing matrix factorization method on elliptical curves. Finally, the simulations verify the effectiveness of the proposed method.
- Sequential radar images,
- Short time space 3D targets reconstruction,
- Circular nature fit,
- Matrix factorization

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References(15)

References

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