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Enhanced Array Synthesis and DOA Estimation Exploiting UAV Array with Coprime Frequencies
The challenge of achieving high-precision direction-of-arrival (DOA) estimation with enhanced degrees of freedom (DOFs) under a limited number of physical array elements remains a critical issue in array signal processing.
Nae Zheng +4 more
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Coprime arrays enable enhanced degrees of freedom through the construction of virtual array equivalent signals. However, the presence of large “holes” leads to discontinuous co-arrays, which severely hampers direction-of-arrival (DOA ...
Xiao Chen, Ying Zhang
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Graph Topologies, Gap Metrics and Robust Stability for Nonlinear Systems
, 2005 Graph topologies for nonlinear operators which admit coprime factorisations are defined w.r.t. a gain function notion of stability in a general normed signal space setting.
Bian, Wenming, French, Mark
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IEEE Transactions on Aerospace and Electronic Systems, 2021 This article proposes a new recursive linearly constrained minimum variance (LCMV) beamformer based on the extended instrumental variable (EIV) method for planar radial coprime arrays (PRCAs) under spatially colored noise.
Shing-Chow Chan, Jian-Qiang Lin
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Hole Locations and a Filling Method for Coprime Planar Arrays for DOA Estimation
IEEE Communications Letters, 2021Yide Wang, Xiao Yang, Pascal Chargé
exaly
Symmetric Displaced Coprime Planar Array for Two-Dimensional Direction-of-Arrival Estimation
IEEE Sensors Journal, 2022Zhi Zheng, Hing Cheung So, Wen-Qin Wang
exaly
Generalized Coprime Planar Array Geometry for 2-D DOA Estimation
IEEE Communications Letters, 2017Hui Zhai, Wang Zheng, Xiaofei Zhang
exaly
Two-Dimensional DOA Estimation for Coprime Planar Array: A Coarray Tensor-Based Solution
2020Zhiguo Shi, Chengwei Zhou, Yujie Gu
exaly