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Precession Parameters Estimation of Space Rotationally Symmetric Targets Based on HRRP Sequences

Yizhe WANG, Yongshun ZHANG, Sisan HE, Yi RAO

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Summary :

Precession angle and precession period are significant parameters for identifying space micro-motion targets. To implement high-accuracy estimation of precession parameters without any prior knowledge about structure parameters of the target, a parameters extraction method based on HRRP sequences is proposed. The precession model of cone-shaped targets is established and analyzed firstly. Then the projection position of scattering centers on HRRP induced by precession is indicated to be approximate sinusoidal migration. Sequences of scattering centers are associated by sinusoid extraction algorithm. Precession angle and precession period are estimated utilizing error function optimization at last. Simulation results under various SNR levels based on electromagnetic calculation data demonstrate validity of the proposed method.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E101-A No.9 pp.1580-1584
Publication Date
2018/09/01
Publicized
Online ISSN
1745-1337
DOI
10.1587/transfun.E101.A.1580
Type of Manuscript
LETTER
Category
Digital Signal Processing

Authors

Yizhe WANG
  Air Force Engineering University
Yongshun ZHANG
  Air Force Engineering University
Sisan HE
  Air Force Engineering University
Yi RAO
  Air Force Engineering University

Keyword