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Sensors 2015, 15(9), 22401-22418;

ISAR Imaging of Maneuvering Targets Based on the Modified Discrete Polynomial-Phase Transform

Research Institute of Electronic Engineering Technology, Harbin Institute of Technology, Harbin 150001, China
Author to whom correspondence should be addressed.
Academic Editor: Vittorio M.N. Passaro
Received: 7 July 2015 / Revised: 20 August 2015 / Accepted: 24 August 2015 / Published: 3 September 2015
(This article belongs to the Section Remote Sensors)
Full-Text   |   PDF [781 KB, uploaded 3 September 2015]   |  


Inverse synthetic aperture radar (ISAR) imaging of a maneuvering target is a challenging task in the field of radar signal processing. The azimuth echo can be characterized as a multi-component polynomial phase signal (PPS) after the translational compensation, and the high quality ISAR images can be obtained by the parameters estimation of it combined with the Range-Instantaneous-Doppler (RID) technique. In this paper, a novel parameters estimation algorithm of the multi-component PPS with order three (cubic phase signal-CPS) based on the modified discrete polynomial-phase transform (MDPT) is proposed, and the corresponding new ISAR imaging algorithm is presented consequently. This algorithm is efficient and accurate to generate a focused ISAR image, and the results of real data demonstrate the effectiveness of it. View Full-Text
Keywords: ISAR; maneuvering target; PPS; DPT ISAR; maneuvering target; PPS; DPT

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Wang, Y.; Abdelkader, A.C.; Zhao, B.; Wang, J. ISAR Imaging of Maneuvering Targets Based on the Modified Discrete Polynomial-Phase Transform. Sensors 2015, 15, 22401-22418.

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