Joint coprime weights optimization for sub-nyquist tensor beamforming

H Zheng, C Zhou, Z Shi, C Yan - 2022 IEEE Radar Conference …, 2022 - ieeexplore.ieee.org
The emerging tensor beamformers are capable of structurally filtering multi-dimensional
signals of sensor arrays. Although the popular sparse arrays have been utilized to enhance …

Sub-Nyquist tensor beamformer: A coprimality constrained design

H Zheng, C Zhou, Z Shi, G Liao - IEEE Transactions on Signal …, 2023 - ieeexplore.ieee.org
Adaptive beamforming using sparse arrays can alleviate system burden with a sub-Nyquist
sampling rate while achieving high resolution. To process multi-dimensional signals without …

Tensor beamforming for multilinear translation invariant arrays

LN Ribeiro, ALF de Almeida… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
In the past few years, multidimensional array processing emerged as the generalization of
classic array signal processing. Tensor methods exploiting array multidimensionality …

Coarray tensor completion for DOA estimation

H Zheng, Z Shi, C Zhou… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Sparse array direction-of-arrival (DOA) estimation using tensor model has been developed
to handle multidimensional sub-Nyquist sampled signals. Furthermore, augmented virtual …

Sparse array DFT beamformers for wideband sources

SA Hamza, MG Amin - 2019 IEEE Radar Conference …, 2019 - ieeexplore.ieee.org
Sparse arrays are popular for performance optimization while keeping the hardware and
computational costs down. In this paper, we consider sparse arrays design method for …

Sparse array design for transmit beamforming

SA Hamza, MG Amin - 2020 IEEE International Radar …, 2020 - ieeexplore.ieee.org
Sparse arrays are favored due to their inherent capability of optimizing the hardware and
computational resources in executing the prescribed performance. The main emphasis on …

[HTML][HTML] Optimization of sparse cross array synthesis via perturbed convex optimization

B Gu, Y Chen, R Jiang, X Liu - Sensors, 2020 - mdpi.com
Three-dimensional (3-D) imaging sonar systems require large planar arrays, which incur
hardware costs. In contrast, a cross array consisting of two perpendicular linear arrays can …

Adaptive tensorial beamformer based on electromagnetic vector-sensor arrays with coherent interferences

X Zhang, Z Liu, Y Xu, W Liu - Multidimensional Systems and Signal …, 2015 - Springer
An adaptive beamforming scheme based on vector-sensor arrays is implemented using two
different matrix contractions of the 4th order covariance tensor. This tensorial beamformer …

Robust tensor beamforming for polarization sensitive arrays

L Liu, J Xie, L Wang, Z Zhang, Y Zhu - Multidimensional Systems and …, 2019 - Springer
Robustness is of great importance in array beamforming. With the purpose of improving the
robustness of the array beamforming, methods using tensor operations are explored in this …

[HTML][HTML] Optimization Method for Wide Beam Sonar Transmit Beamforming

L Rixon Fuchs, A Maki, A Gällström - Sensors, 2022 - mdpi.com
Imaging and mapping sonars such as forward-looking sonars (FLS) and side-scan sonars
(SSS) are sensors frequently used onboard autonomous underwater vehicles. To acquire …