Thinned coprime array for second-order difference co-array generation with reduced mutual coupling

A Raza, W Liu, Q Shen - IEEE Transactions on Signal …, 2019 - ieeexplore.ieee.org
In this work, we present a new coprime array structure termed thinned coprime array (TCA),
which exploits the redundancy in the structure of existing coprime array and achieves the …

[HTML][HTML] Research progress on coprime array signal processing: Direction-of-arrival estimation and adaptive beamforming

Z Chengwei, Z Hang, GU Yujie, W Yong, SHI Zhiguo - 雷达学报, 2019 - radars.ac.cn
Array signal processing is an essential tool in broad radar applications. The coprime array
has recently been proposed to overcome the bottleneck caused by the Nyquist spatial …

Hole Identification and Filling in -Times Extended Co-Prime Arrays for Highly Efficient DOA Estimation

X Wang, X Wang - IEEE Transactions on Signal Processing, 2019 - ieeexplore.ieee.org
Among various sparse array techniques, co-prime array is found to be more attractive
because of its higher DoF with a smaller number of sensing elements. Generally, a co-prime …

Sparse linear antenna arrays: a review

A Patwari - Antenna Systems, 2021 - books.google.com
Linear sparse antenna arrays have been widely studied in array processing literature. They
belong to the general class of non-uniform linear arrays (NULAs). Sparse arrays need fewer …

Simplified and enhanced multiple level nested arrays exploiting high-order difference co-arrays

Q Shen, W Liu, W Cui, S Wu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Based on the high-order difference co-array concept, an enhanced four-level nested array
(E-FL-NA) is first proposed, which optimizes the consecutive lags at the fourth-order …

Sparse array design via fractal geometries

R Cohen, YC Eldar - IEEE transactions on signal processing, 2020 - ieeexplore.ieee.org
Sparse sensor arrays have attracted considerable attention in various fields such as radar,
array processing, ultrasound imaging and communications. In the context of correlation …

Flexible extended nested arrays for DOA estimation: Degrees of freedom perspective

S Wandale, K Ichige - Signal Processing, 2022 - Elsevier
Recently, the design of sparse arrays for direction-of-arrival (DOA) estimation has gained
considerable attention due to their ability to yield a sizeable virtual aperture, enhanced …

[HTML][HTML] 互质阵列信号处理研究进展: 波达方向估计与自适应波束成形

周成伟, 郑航, 顾宇杰, 王勇, 史治国 - 雷达学报, 2019 - radars.ac.cn
阵列信号处理是雷达领域各类应用的核心技术之一. 近年来, 互质阵列的提出打破了传统方法受
限于奈奎斯特采样速率这一瓶颈, 其稀疏布设的阵列结构和互质欠采样的信号处理方式大幅降低 …

Maximally economic sparse arrays and cantor arrays

CL Liu, PP Vaidyanathan - 2017 IEEE 7th International …, 2017 - ieeexplore.ieee.org
Sparse arrays, where the sensors are properly placed with nonuniform spacing, are able to
resolve more uncorrelated sources than sensors. This ability arises from the property that the …

A generalized extended nested array design via maximum inter-element spacing criterion

S Wandale, K Ichige - IEEE Signal Processing Letters, 2023 - ieeexplore.ieee.org
This letter proposes a generalised extended nested array with multiple subarrays
(GENAMS) array via the maximum inter-element spacing (IES) constraint principle. Based …