Results 11 to 20 of about 1,903,363 (255)
Geometry of Random Sparse Arrays
2022 56th Asilomar Conference on Signals, Systems, and Computers, 2022 We consider random sparse arrays whose sensors are randomly placed on a grid of fixed size. Although deterministic sparse array geometries such as nested, coprime and their many variants have been extensively studied, less is known about difference/sum ...
Mehmet Can Hücümcnoğlu +2 more
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Spiderweb Array: A Sparse Spin-Qubit Array
Physical Review Applied, 2022 19 pages, 16 ...
Jelmer M. Boter +10 more
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Hourglass Arrays and Other Novel 2-D Sparse Arrays With Reduced Mutual Coupling
IEEE Transactions on Signal Processing, 2017 Palghat Vaidyanathan, Chun-Lin Liu
exaly +2 more sources
Low Discrepancy Sparse Phased Array Antennas
Sensors, 2021 Sparse arrays have grating lobes in the far field pattern due to the large spacing of elements residing in a rectangular or triangular grid. Random element spacing removes the grating lobes but produces large variations in element density across the ...
Travis Torres +4 more
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ULA Fitting for Sparse Array Design [PDF]
IEEE Transactions on Signal Processing, 2021 Sparse array (SA) geometries, such as coprime and nested arrays, can be regarded as a concatenation of two uniform linear arrays (ULAs). Such arrays lead to a significant increase of the number of degrees of freedom (DOF) when the second-order information is utilized, i.e., they provide long virtual difference coarray (DCA).
Vorobyov, Sergiy A. +3 more
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An L-Shaped Three-Level and Single Common Element Sparse Sensor Array for 2-D DOA Estimation
Sensors, 2023 The degree of freedom (DOF) is an important performance metric for evaluating the design of a sparse array structure. Designing novel sparse arrays with higher degrees of freedom, while ensuring that the array structure can be mathematically represented,
Bo Du +4 more
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Synthesis of Sparse Arrays Based On CIGA (Convex Improved Genetic Algorithm)
Journal of Microwaves, Optoelectronics and Electromagnetic Applications, 2020 In this paper, a novel hybrid algorithm on beam pattern synthesis of sparse arrays is proposed, which aims at minimizing the peak sidelobe level (PSLL). Sparse arrays can provide higher spatial resolution and relatively lower sidelobe than general arrays,
Jianxiong Li, Shuang Ren, Cuijuan Guo
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Sectorized FMCW MIMO Radar by Modular Design With Non-Uniform Sparse Arrays
IEEE Journal of Microwaves, 2022 Automotive radars are designed to enhance road user safety and reduce the number of accidents on public roads and there is a constant demand to improve the performance for these radars.
C. Alistarh +10 more
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Sparse Convolutional Array for DOA Estimation
EURASIP Journal on Advances in Signal Processing, 2022 Abstract Array signal processing plays an important role in many areas. Besides the Uniform Linear Array, their are many sparse array that have been proposed, for example, Minimum-redundancy array, Co-prime array, nested array, etc. However, most of the array structures have certain disadvantages.
Zikai Wang 0008 +4 more
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IET Radar, Sonar & Navigation, 2023 Direction of arrival (DOA) estimation of mixed near‐field (NF) and far‐field (FF) signals is one of the key issues in the study of array signal processing. For more precise localisation performance, sparse arrays have drawn the attention of an increasing
Bo Du +4 more
doaj +1 more source