ISAR Imaging of Maneuvering Target Based on the Local Polynomial Wigner Distribution and Integrated High-Order Ambiguity Function for Cubic Phase Signal Model

被引：81

作者：

Wang, Yong ^{[1
]}

Kang, Jian ^{[1
]}

Jiang, Yicheng ^{[1
]}

机构：

[1] Harbin Inst Technol, Res Inst Elect Engn Technol, Harbin 150001, Peoples R China

来源：

IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING | 2014年 / 7卷 / 07期

基金：

美国国家科学基金会;

关键词：

Cubic phase signal (CPS); integrated high-order ambiguity function (IHAF); inverse synthetic aperture radar (ISAR); local polynomial Wigner distribution (LPWD); maneuvering target; RANGE-INSTANTANEOUS-DOPPLER; SHIP TARGET; FREQUENCY; RESOLUTION; ALGORITHM; REPRESENTATION; IMAGES; SNR;

D O I：

10.1109/JSTARS.2014.2301158

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper focuses on the novel approaches for inverse synthetic aperture radar (ISAR) imaging of maneuvering target. It is based on the assumption that the azimuth echoes in a range bin are modeled as multi-component cubic phase signal (CPS) after the translational motion compensation, and the ISAR image quality will be deteriorated by the conventional Fourier transform in the azimuth focusing. In this paper, two novel algorithms for parameters estimation of multi-component CPS based on the local polynomial Wigner distribution (LPWD) and integrated high-order ambiguity function (IHAF) are proposed, and the high-quality instantaneous ISAR image can be obtained by the estimated CPS parameters. The results of simulated and real aircraft data are provided to validate the effectiveness of the proposed methods.

引用

页码：2971 / 2991

页数：21

共 40 条

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