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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

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

In this paper, we develop a novel reduced-rank space-time adaptive processing (STAP) algorithm based on adaptive basis function approximation (ABFA) for airborne radar applications. The proposed algorithm employs the well-known framework of…

信息论 · 计算机科学 2013-03-22 R. Fa , R. C. de Lamare

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

As a high resolution radar imaging modality, SAR detects and localizes non-moving targets accurately, giving it an advantage over lower resolution GMTI radars. Moving target detection is more challenging due to target smearing and masking…

应用统计 · 统计学 2016-10-12 Kristjan Greenewald , Edmund Zelnio , Alfred Hero

This article proposes novel sparsity-aware space-time adaptive processing (SA-STAP) algorithms with $l_1$-norm regularization for airborne phased-array radar applications. The proposed SA-STAP algorithms suppose that a number of samples of…

信息论 · 计算机科学 2013-04-16 Z. Yang , R. C. de Lamare

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

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

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

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

Sparse recovery Space-time Adaptive Processing (STAP) can reduce the requirements of clutter samples, and suppress clutter effectively using limited training samples for airborne radar. The whole angle-Doppler plane is discretized into…

信号处理 · 电气工程与系统科学 2020-04-10 Tao Zhang , Hai Li , Yongsheng Hu , Ran Lai , Juncheng Guo

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

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

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

Joint radar and communication (RadCom) systems have been proposed to integrate radar and communication into one platform and achieve spectrum sharing in recent years. However, the joint RadCom systems cause the clutter modulation and the…

信号处理 · 电气工程与系统科学 2023-11-14 Jifa Zhang

This article is an extended version of previous work of the authors [40, 41] on low-rank matrix estimation in the presence of constraints on the factors into which the matrix is factorized. Low-rank matrix factorization is one of the basic…

统计理论 · 数学 2017-08-28 Thibault Lesieur , Florent Krzakala , Lenka Zdeborová

This work presents cost-effective low-rank techniques for designing robust adaptive beamforming (RAB) algorithms. The proposed algorithms are based on the exploitation of the cross-correlation between the array observation data and the…

计算工程、金融与科学 · 计算机科学 2016-08-24 H. Ruan , R. C. de Lamare

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
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