Výsledky vyhledávání - "Sparse array"

Sparse Array Quiescent Beamformer Design Combining Adaptive and Deterministic Constraints Autor Xiangrong Wang, Amin, Moeness, Xianghua Wang, Xianbin Cao

“… We consider the problem of achieving maximum SNR beamforming subject to specified quiescent pattern constraints and, as such, combine both adaptive and deterministic approaches for sparse array configurations…”
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Sparse Array Sensor Selection in ISAC with Identifiability Guarantees Autor Rajamaki, Robin, Pal, Piya

“…) subject to guaranteeing a desired target identifiability (for sensing). To characterize the size of this novel optimal codebook, we derive first upper and lower bounds, which are tight in case of the canonical uniform linear array (ULA…”
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Transmit Sparse Array Beamformer Design for Dual-Function Radar Communication Systems Autor Huang, Jiayi, Zhang, Xuan, Wang, Xiangrong, Zoubir, Abdelhak M.

“…Sparse arrays could achieve curtailed mutual coupling and reduced hardware cost while preserving an intact large array aperture, which is conducive to the joint design of radar and communication…”
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Sparse Array Angle Estimation Using Reduced-Dimension ESPRIT-MUSIC in MIMO Radar Autor Zhang, Chaozhu, Pang, Yucai

“… However, they are subject to manifold ambiguity. In this paper, both the transmit array and receive array are sparse linear arrays in the bistatic MIMO radar…”
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Method of solving ambiguity for sparse array via power estimation based on MUSIC algorithm Autor He, Ziyuan, Zhao, Zhiqin, Nie, Zaiping, Tang, Pu, Wang, Jian, Liu, Qing-Huo

“…) algorithm to solve the manifold ambiguity of uncorrelated sources for sparse array is proposed in this paper…”
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ISAC system assisted by RIS with sparse active elements Autor Asif Haider, Mirza, Zhang, Yimin D., Aboutanios, Elias

“…In this paper, we consider an integrated sensing and communications system assisted by a reconfigurable intelligent surface (RIS). A small number of sparsely…”
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Synthesis of Sparse Arrays With Discrete Phase Constraints via Mixed-Integer Programming Autor Xia, Dongnan, Zhang, Xuejing

“…Synthesizing sparse arrays with discrete phase constraints is a critical problem in many applications…”
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Fast optimization of sparse antenna array using numerical Green's function and genetic algorithm Autor Raji, Mordecai F., Zhao, Huapeng, Monday, Happy N.

“… The desire to reduce weight and cost of antenna arrays gave rise to sparse arrays. The design of a sparse antenna array requires an optimization process, which is time…”
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An Array Interpolation Based Compressive Sensing DOA Method for Sparse Array Autor Cui, Ao, Xu, Teng, Yu, Weichuang, He, Peiyu, Xu, Zili

“…The CS (Compressive Sensing) DOA (Direction of Arrival) methods usually require large number of sensors and subject to the manifold ambiguity brought by the sparse array…”
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Radar Imaging in Challenging Scenarios from Smart and Flexible Platforms

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Solving ambiguity for sparse array via particle swarm optimization Autor Ziyuan He, Zhiqin Zhao, Kai Yang, Jun Ouyang

“…Sparse linear arrays are subject to manifold ambiguity in genera. A method to solve the manifold ambiguity of uncorrelated sources for sparse array is proposed in this paper…”
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Hybrid Beamforming for Active Sensing Using Sparse Arrays Autor Rajamaki, Robin, Chepuri, Sundeep Prabhakar, Koivunen, Visa

“… Sparse arrays can be used to further reduce hardware costs. We consider phased arrays and employ linear beamforming with possibly sparse array configurations at both the transmitter and receiver…”
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Synthesis of Sparse Antenna Arrays Subject to Constraint on Directivity via Iterative Convex Optimization Autor Yang, Feng, Yang, Shiwen, Chen, Yikai, Qu, Shiwei, Hu, Jun

“…An effective optimization method is proposed for the synthesis of sparse antenna arrays subject to constraint on directivity in this letter…”
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Analog Beamforming For Active Imaging Using Sparse Arrays Autor Rajamaki, Robin, Chepuri, Sundeep Prabhakar, Koivunen, Visa

“… Image addition also facilitates the use of sparse arrays, which can further reduce array costs…”
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Near Field Active Imaging Using Sparse Arrays Autor Rajamaki, Robin, Koivunen, Visa

“… As a result, co-array processing algorithms, such as image addition, are subject to undesired grating lobes in the presence of near field scatterers…”
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Complex-Weight Sparse Linear Array Synthesis by Bayesian Compressive Sampling Autor Oliveri, G., Carlin, M., Massa, A.

“…An innovative method for the synthesis of maximally sparse linear arrays matching arbitrary reference patterns is proposed. In the framework of sparseness…”
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Irregular microphone array design for broadband beamforming Autor Son, Phan Le

“… However, in general, using a sparse array for broadband beamforming still requires a large number of microphones…”
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Reducing the Number of Elements in Phase-Only Reconfigurable Arrays Generating Sum and Difference Patterns Autor Morabito, Andrea Francesco, Rocca, Paolo

“…A new strategy for the synthesis of one-dimensional reconfigurable sparse arrays generating sum and difference power patterns is presented…”
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Efficient Multi-image Correspondences for On-line Light Field Video Processing Autor Dąbała, Ł., Ziegler, M., Didyk, P., Zilly, F., Keinert, J., Myszkowski, K., Seidel, H.-P., Rokita, P., Ritschel, T.

“… This is enabled by a novel correspondence algorithm converting the video streams from a sparse array of off…”
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Sparsening Conformal Arrays Through a Versatile BCS-Based Method Autor Oliveri, Giacomo, Bekele, Ephrem T., Robol, Fabrizio, Massa, Andrea

“… (locations and weights) fitting a reference pattern subject to user-defined geometrical constraints…”
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