An Approach for Parameter Estimation of Maneuvering Targets With Nonlinear Motions

被引：14
|
作者：
Cui, Wei [1 ]
Tian, Jing [1 ]
Xia, Xiang-Gen [1 ,2 ]
Wu, Si-Liang [1 ]
机构：
[1] Beijing Inst Technol, Sch Informat & Elect, Beijing 100081, Peoples R China
[2] Univ Delaware, Dept Elect & Comp Engn, Newark, DE 19716 USA
来源：
IEEE TRANSACTIONS ON AEROSPACE AND ELECTRONIC SYSTEMS | 2020年 / 56卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Chirp; Doppler effect; Transforms; Radon; Acceleration; Frequency estimation; Doppler frequency spread (DFS); parameter estimation; range cell migration (RCM); sub-band dual-frequency conjugate (SDFC); synthetic aperture radar (SAR); RADARSAT-1; RADON-FOURIER TRANSFORM; AMBIGUITY FUNCTION; COMPLEX MOTION; ALGORITHM;
D O I：
10.1109/TAES.2019.2917493
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
To compensate the range cell migration and Doppler frequency spread of a maneuvering target during the integration time, this paper proposes a new parameter estimation method based on sub-band dual-frequency conjugate (SDFC)-Radon chirp rate-quadratic chirp rate algorithm. In this method, SDFC process is first applied to reduce the equivalent frequency and Radon chirp rate-quadratic chirp rate algorithm is then performed to obtain the estimates. Both simulated and real-data results demonstrate the effectiveness of the proposed algorithm.
引用
收藏
页码：67 / 83
页数：17
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