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Sensors 2016, 16(3), 364; doi:10.3390/s16030364

Three-Dimensional ISAR Imaging Method for High-Speed Targets in Short-Range Using Impulse Radar Based on SIMO Array

1,2
,
1,2,* , 1,2
and
1,2
1
School of Information and Electronics, Beijing Institute of Technology, Beijing 100081, China
2
Beijing Key Laboratory of Fractional Signals and Systems, Beijing 100081, China
*
Author to whom correspondence should be addressed.
Academic Editor: Daniele Riccio
Received: 21 December 2015 / Revised: 4 March 2016 / Accepted: 8 March 2016 / Published: 11 March 2016
View Full-Text   |   Download PDF [6340 KB, uploaded 11 March 2016]   |  

Abstract

This paper proposes a three-dimensional inverse synthetic aperture radar (ISAR) imaging method for high-speed targets in short-range using an impulse radar. According to the requirements for high-speed target measurement in short-range, this paper establishes the single-input multiple-output (SIMO) antenna array, and further proposes a missile motion parameter estimation method based on impulse radar. By analyzing the motion geometry relationship of the warhead scattering center after translational compensation, this paper derives the receiving antenna position and the time delay after translational compensation, and thus overcomes the shortcomings of conventional translational compensation methods. By analyzing the motion characteristics of the missile, this paper estimates the missile’s rotation angle and the rotation matrix by establishing a new coordinate system. Simulation results validate the performance of the proposed algorithm. View Full-Text
Keywords: inverse synthetic aperture radar (ISAR); radar imaging; translational compensation; rotation angle estimation inverse synthetic aperture radar (ISAR); radar imaging; translational compensation; rotation angle estimation
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhou, X.; Wei, G.; Wu, S.; Wang, D. Three-Dimensional ISAR Imaging Method for High-Speed Targets in Short-Range Using Impulse Radar Based on SIMO Array. Sensors 2016, 16, 364.

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