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 …

An improved iterative censoring scheme for CFAR ship detection with SAR imagery

W An, C **e, X Yuan - IEEE Transactions on Geoscience and …, 2013 - ieeexplore.ieee.org
To eliminate the influence of target returns on the estimation of local sea clutter distributions,
an improved iterative censoring scheme (ICS) for constant false-alarm rate detectors is …

Tunable adaptive detection in colocated MIMO radar

J Liu, S Zhou, W Liu, J Zheng, H Liu… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
We consider the adaptive target detection problem in colocated MIMO radar where
disturbance covariance matrix is unknown, and no training data are available. A tunable …

On the statistical invariance for adaptive radar detection in partially homogeneous disturbance plus structured interference

D Ciuonzo, A De Maio… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
This paper deals with the problem of adaptive vector subspace signal detection in partially
homogeneous Gaussian disturbance and structured (unknown) deterministic interference …

Generalized robust shrinkage estimator and its application to STAP detection problem

F Pascal, Y Chitour, Y Quek - IEEE Transactions on Signal …, 2014 - ieeexplore.ieee.org
Recently, in the context of covariance matrix estimation, in order to improve as well as to
regularize the performance of the Tyler's estimator also called the Fixed-Point Estimator …

One-step persymmetric GLRT for subspace signals

J Liu, S Sun, W Liu - IEEE Transactions on Signal Processing, 2019 - ieeexplore.ieee.org
We exploit persymmetric structures to design a generalized likelihood ratio test for detecting
subspace signals in homogeneous Gaussian clutter with unknown covariance matrix. The …

Modified Rao test for multichannel adaptive signal detection

J Liu, W Liu, B Chen, H Liu, H Li… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
The problem of detecting a subspace signal is studied in colored Gaussian noise with an
unknown covariance matrix. In the subspace model, the target signal belongs to a known …

Adaptive double subspace signal detection in Gaussian background—Part II: Partially homogeneous environments

W Liu, W **e, J Liu, Y Wang - IEEE Transactions on Signal …, 2014 - ieeexplore.ieee.org
In this part of the paper, we continue to study the problem of detecting a double subspace
signal in Gaussian noise. Precisely, we address the detection problem in partially …

Persymmetric adaptive detection of subspace signals: Algorithms and performance analysis

J Liu, W Liu, Y Gao, S Zhou… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
The problem of detecting a subspace signal in colored Gaussian noise with unknown
covariance matrix is investigated by incorporating persymmetric structure of received data …