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相关论文: Kronecker STAP and SAR GMTI

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This paper proposes a spatio-temporal decomposition for the detection of moving targets in multiantenna SAR. As a high resolution radar imaging modality, SAR detects and localizes non-moving targets accurately, giving it an advantage over…

计算机视觉与模式识别 · 计算机科学 2016-05-09 Kristjan Greenewald , Edmund Zelnio , Alfred Hero

In this work the detection of moving targets in multiantenna SAR is considered. As a high resolution radar imaging modality, SAR detects and identifies stationary targets very well, giving it an advantage over classical GMTI radars. Moving…

应用统计 · 统计学 2015-10-02 Kristjan Greenewald , Edmund Zelnio , Alfred O. Hero

Space-time adaptive processing (STAP) is an effective tool for detecting a moving target in spaceborne or airborne radar systems. Statistical-based STAP methods generally need sufficient statistically independent and identically distributed…

信息论 · 计算机科学 2010-08-26 Ke Sun , Hao Zhang , Gang Li , Huadong Meng , Xiqin Wang

This paper presents knowledge-aided space-time adaptive processing (KA-STAP) algorithms that exploit the low-rank dominant clutter and the array geometry properties (LRGP) for airborne radar applications. The core idea is to exploit the…

信息论 · 计算机科学 2016-11-15 Zhaocheng Yang , Rodrigo C. de Lamare , Xiang Li , Hongqiang Wang

Space-time adaptive processing (STAP) is one of the most effective approaches to suppressing ground clutters in airborne radar systems. It basically takes two forms, i.e., full-dimension STAP (FD-STAP) and reduced-dimension STAP (RD-STAP).…

信息论 · 计算机科学 2022-02-11 Di Song , Shengyao Chen , Feng Xi , Zhong Liu

Space-time adaptive processing (STAP) algorithms with coprime arrays can provide good clutter suppression potential with low cost in airborne radar systems as compared with their uniform linear arrays counterparts. However, the performance…

信号处理 · 电气工程与系统科学 2020-01-07 X. Wang , Z. Yang , J. Huang , R. C. de Lamare

In space-time adaptive processing (STAP) of the airborne radar system, it is very important to realize sparse restoration of the clutter covariance matrix with a small number of samples. In this paper, a clutter suppression method for…

信号处理 · 电气工程与系统科学 2023-01-30 Tao Zhang , Haifang Zheng , Qijun Luo

Space-time adaptive processing (STAP) is an effective tool for detecting a moving target in the airborne radar system. Due to the fast-changing clutter scenario and/or non side-looking configuration, the stationarity of the training data is…

信息论 · 计算机科学 2010-08-26 Ke Sun , Huadong Meng , Yongliang Wang , Xiqin Wang

Space-time adaptive processing (STAP) is a well-known technique in detecting slow-moving targets in the presence of a clutter-spreading environment. When considering the STAP system deployed with conformal radar array (CFA), the training…

信息论 · 计算机科学 2010-11-16 Ke Sun , Huadong Meng , Fabian Lapierre , Xiqin Wang

We present a novel sparsity-based space-time adaptive processing (STAP) technique based on the alternating direction method to overcome the severe performance degradation caused by array gain/phase (GP) errors. The proposed algorithm…

数据结构与算法 · 计算机科学 2017-06-27 Zhaocheng Yang , Rodrigo C. de Lamare , Weijian Liu

Range-dependent clutter suppression poses significant challenges in airborne frequency diverse array (FDA) radar, where resolving range ambiguity is particularly difficult. Traditional space-time adaptive processing (STAP) techniques used…

信号处理 · 电气工程与系统科学 2024-07-16 Wanghan Lv , Kumar Vijay Mishra

In synthetic aperture radar (SAR), images are formed by focusing the response of stationary objects to a single spatial location. On the other hand, moving targets cause phase errors in the standard formation of SAR images that cause…

信息论 · 计算机科学 2013-02-20 Gregory E. Newstadt , Edmund G. Zelnio , Alfred O. Hero

In this paper, we propose and study a technique to reduce the number of parameters and computation time in convolutional neural networks. We use Kronecker product to exploit the local structures within convolution and fully-connected…

计算机视觉与模式识别 · 计算机科学 2016-02-05 Shuchang Zhou , Jia-Nan Wu , Yuxin Wu , Xinyu Zhou

In this paper, we present an approach for ground moving target imaging (GMTI) and velocity recovery using synthetic aperture radar. We formulate the GMTI problem as the recovery of a phase-space reflectivity (PSR) function which represents…

图像与视频处理 · 电气工程与系统科学 2021-11-23 Sean Thammakhoune , Bariscan Yonel , Eric Mason , Birsen Yazici , Yonina C. Eldar

Subspace clustering is a useful technique for many computer vision applications in which the intrinsic dimension of high-dimensional data is often smaller than the ambient dimension. Spectral clustering, as one of the main approaches to…

机器学习 · 计算机科学 2018-03-16 Lei Zhou , Xiao Bai , Xianglong Liu , Jun Zhou , Hancock Edwin

Estimating the disturbance or clutter covariance is a centrally important problem in radar space time adaptive processing (STAP). The disturbance covariance matrix should be inferred from training sample observations in practice. Large…

应用统计 · 统计学 2016-02-22 Bosung Kang

Kronecker PCA involves the use of a space vs. time Kronecker product decomposition to estimate spatio-temporal covariances. In this work the addition of a sparse correction factor is considered, which corresponds to a model of the…

统计方法学 · 统计学 2016-11-17 Kristjan Greenewald , Alfred Hero

A class of novel STAP algorithms based on sparse recovery technique were presented. Intrinsic sparsity of distribution of clutter and target energy on spatial-frequency plane was exploited from the viewpoint of compressed sensing. The…

信息论 · 计算机科学 2009-04-09 Hao Zhang , Gang Li , Huadong Meng

The performance of space-time adaptive processing (STAP) is often degraded by factors such as limited sample size and moving targets. Traditional clutter covariance matrix (CCM) estimation relies on Euclidean metrics, which fail to capture…

综合数学 · 数学 2025-01-08 Jia-Mian Li , Jian-Yi Chen , Bing-Zhao Li

Using an amalgamation of techniques from classical radar, computer vision, and deep learning, we characterize our ongoing data-driven approach to space-time adaptive processing (STAP) radar. We generate a rich example dataset of received…

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