Multichannel adaptive signal detection: Basic theory and literature review

W Liu, J Liu, C Hao, Y Gao, YL Wang - Science China Information …, 2022 - Springer
Multichannel adaptive signal detection uses test and training data jointly to form an adaptive
detector to determine whether a target exists. The resulting adaptive detectors typically …

Adaptive double subspace signal detection in Gaussian background—Part I: Homogeneous environments

W Liu, W **e, J Liu, Y Wang - IEEE Transactions on Signal …, 2014 - ieeexplore.ieee.org
In this two-part paper, we consider the problem of adaptive multidimensional/multichannel
signal detection in Gaussian noise with unknown covariance matrix. The test data (primary …

Multichannel signal detection in interference and noise when signal mismatch happens

W Liu, J Liu, Y Gao, G Wang, YL Wang - Signal Processing, 2020 - Elsevier
In this paper, we consider the problem of detecting a multichannel signal in interference and
noise when signal mismatch happens. We first propose two selective detectors, since their …

Rao, Wald, and Gradient tests for adaptive detection of Swerling I targets

O Besson - IEEE Transactions on Signal Processing, 2023 - ieeexplore.ieee.org
We consider adaptive detection of a Gaussian rank-one component known up to a scaling
factor buried in Gaussian noise with unknown statistics, a problem which arises when …

Performance analysis of adaptive detectors for point targets in subspace interference and Gaussian noise

W Liu, YL Wang, J Liu, L Huang… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper investigates the statistical performance of three adaptive detectors in the
presence of subspace interference and Gaussian noise. The interference is deterministic …

Persymmetric adaptive subspace detectors for range-spread targets

Y Gao, H Ji, W Liu - Digital Signal Processing, 2019 - Elsevier
This paper investigates the problem of adaptive detection of a range-spread target in
colored Gaussian disturbance. The range-spread target is described by a multi-rank …

Adaptive detection of distributed targets in partially homogeneous environment with Rao and Wald tests

C Hao, X Ma, X Shang, L Cai - Signal Processing, 2012 - Elsevier
This paper deals with the problem of detecting distributed targets in the presence of partially
homogeneous Gaussian disturbance with unknown covariance matrix. Since no uniformly …

[PDF][PDF] 机载雷达空时自适应检测方法研究进展

王永良, 刘维建, 谢文冲, 段克清, 高飞, 王泽涛 - 雷达学报, 2014 - edit.radars.ac.cn
与空时自适应处理(STAP) 相比, 机载雷达空时自适应检测(STAD) 方法利用待检测单元及训练
样本的数据形成合理的检测统计量, 直接判定目标的有无, 而不用先进行杂波抑制, 然后再检测 …

Clutter edges detection algorithms for structured clutter covariance matrices

T Wang, D Xu, C Hao, P Addabbo… - IEEE Signal Processing …, 2022 - ieeexplore.ieee.org
This letter deals with the problem of clutter edge detection and localization in training data.
To this end, the problem is formulated as a binary hypothesis test assuming that the ranks of …

Performance prediction of subspace-based adaptive detectors with signal mismatch

W Liu, J Liu, C Zhang, H Li, X Wang - Signal Processing, 2016 - Elsevier
For the problem of subspace signal detection, three adaptive detectors have been proposed
in the past, namely, the subspace-based generalized likelihood ratio test, subspace-based …