ISAR Imaging of Ship Target with Complex Motion Based on New Approach of Parameters Estimation for Polynomial Phase Signal

被引：4

作者：

Wang, Yong ^{[1
]}

Jiang, Yi-Cheng ^{[1
]}

机构：

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

来源：

EURASIP JOURNAL ON ADVANCES IN SIGNAL PROCESSING | 2011年

基金：

中国国家自然科学基金; 美国国家科学基金会;

关键词：

MANEUVERING TARGETS; MOVING TARGETS; RADAR DATA; TRANSFORM; IMAGES; CLASSIFICATION; ALGORITHM;

D O I：

10.1155/2011/425203

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：

ISAR imaging of ships at sea with significant motion results in the Doppler frequency shift for the received signal is time-varying, which will deteriorate the ISAR image quality for the Range-Doppler (RD) algorithm. In this paper, the received signal is modeled as a multicomponent cubic phase signal (CPS), and a new method for estimating the parameters of CPS based on the integrated high-order matched phase transform (IHMPT) is proposed. This algorithm is simpler and more computational efficient than some of other parameters estimation algorithms proposed previously. Then, combined with the Range-Instantaneous-Doppler (RID) technique, the high quality instantaneous ISAR images can be obtained. The results of simulated and measured data are provided to demonstrate the effectiveness of the new method proposed.

引用

页数：9

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