Výsledky vyhledávání - failure of sparse array element

An effective compensating approach to the synthesis of sparse array with element-failures Autor Qin, Anqi, Sheng, Yijun

“…The Covariance Matrix Adaptation Evolutionary Strategy (CMA-ES) Algorithm is used to compensate the failure of sparse array element…”
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Mitigating performance degradation of RIS due to element failures using a genetic algorithm-based sparse array strategy Autor Zhu, Yangkun, Cao, Wenquan, He, Chong, Wang, Ning, Jing, Jiemin

“…) in satellite communication systems due to reconfigurable element failures in this paper. Such failures hinder real-time adjustment via Field Programmable Gate Array (FPGA…”
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Robust monopulse beam synthesis with sparse elements in linear and planar arrays with element failure detection Autor Park, Jaehyun, Lee, Jihye, Chun, Joohwan, Kwak, Semin

“…In this study, the authors present monopulse beam synthesis methods with sparse elements robust to the antenna module failure…”
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A Sparse Recovery Approach for Pattern Correction of Active Arrays in Presence of Element Failures Autor Migliore, Marco Donald, Pinchera, Daniele, Lucido, Mario, Schettino, Fulvio, Panariello, Gaetano

“…The aim of this letter is to propose a novel approach based on sparse recovery technique for real-time correction of the pattern of active arrays in presence of failures of radiating elements…”
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Robustness of Difference Coarrays of Sparse Arrays to Sensor Failures-Part I: A Theory Motivated by Coarray MUSIC Autor Chun-Lin Liu, Vaidyanathan, Palghat P.

“… However, the coarray structure of sparse arrays is susceptible to sensor failures, and the reliability of sparse arrays remains a significant but challenging topic for investigation…”
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A Compressed Sensing-Based Element Failure Diagnosis Method for Phased Array Antenna During Beam Steering Autor Xiong, Can, Xiao, Gaobiao, Hou, Yibei, Hameed, Musab

“…A novel diagnosis method for phased array antenna element failure using near-field measurements based on compressed sensing is proposed…”
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Ternary redundant sparse linear array design with high robustness Autor HOU, Shuhua, ZHAO, Xuanzhi, LIU, Zengli, PENG, Yi, WANG, Na

“…Sparse linear array is prone to element failure affected by environmental and other factors in practical application, resulting in the decline of degrees of freedom and the attenuation or even failure…”
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Ternary redundant sparse linear array design with high robustness Autor HOU, Shuhua, ZHAO, Xuanzhi, LIU, Zengli, PENG, Yi, WANG, Na

“…Sparse linear array is prone to element failure affected by environmental and other factors in practical application, resulting in the decline of degrees of freedom and the attenuation or even failure…”
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Antenna Failure Resilience: Deep Learning-Enabled Robust DOA Estimation with Single Snapshot Sparse Arrays Autor Zheng, Ruxin, Sun, Shunqiao, Liu, Hongshan, Chen, Honglei, Soltanalian, Mojtaba, Li, Jian

“… rely on limited snapshots, sometimes as scarce as a single snapshot. Furthermore, the increasing interest in sparse arrays for automotive radar, owing to their cost…”
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Evaluation of the damage detection capability of a sparse-array guided-wave SHM system applied to a complex structure under varying thermal conditions Autor Clarke, T., Cawley, P., Wilcox, P.D., Croxford, A.J.

“…A sparse-array structural health monitoring (SHM) system based on guided waves was applied to the door of a commercial shipping container…”
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Fast Antenna Array Diagnosis Based on Shifted Base Mode Character from Sparse Measurements Autor Li, Zhiping, Huo, Peng, Wu, Jianhua

“… ) of the damaged far field to the position of each element of the array one by one; then represent the shifted far fields with orthogonal mode…”
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Robust Sparse Arrays with Multiple-Fold Redundant Difference Coarrays Autor Zhu, Dong, Li, Gang

“… This paper introduces a novel sparse array geometry, named multiple-fold redundancy array (MFRA), exploiting element redundancies of the DCA…”
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Analysis of Element Failures in Active Incoherent Microwave Imaging Arrays Using Noise Signals Autor Vakalis, Stavros, Nanzer, Jeffrey A.

“…An analysis of the effects of receiver element failures in active incoherent microwave imaging arrays is presented…”
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Fast non-convex compressed sensing approach for diagnosis of defective array elements using planar near-field measurements Autor Li, Wei, Deng, Weibo, Yang, Qiang, Migliore, Marco D

“… In order to overcome this limitation, in this study, a non-convex $\ell _p$ℓp ($0 \lt p \lt 1$0<p<1) norm minimisation utilising iteratively reweighted least squares algorithm for identification of impaired planar array elements is investigated…”
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Faulty elements diagnosis of phased array antennas using a generative adversarial learning-based stacked denoising sparse autoencoder Autor Lin, Da, Wan, Qi

“… As a result of element or elements failure in the linear phased array antennas, the whole radiation pattern will suffer from high side lobe levels, wide bandwidth and unexpected nulls…”
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Two-Dimensional DOA Estimation Algorithm for Sparse Arrays under Sensor Failures Autor Si Weijian, Ma Wanyu, Yao Lu, Qu Mingchao, Liang Yilu

“…To address the problem of the destruction of virtual array continuity and the degradation of degree of freedom due to missing data in two-dimensional sparse array under the conditions of sensor…”
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A General Framework for the Robustness of Structured Difference Coarrays to Element Failures Autor Liu, Chun-Lin

“…). From the theory of the k-essentialness property and the k-fragility, the difference coarrays of some sparse arrays are not robust to sensor failures, possibly affecting the applicability of coarray…”
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Robustness of Coarrays of Sparse Arrays to Sensor Failures Autor Liu, Chun-Lin, Vaidyanathan, P. P.

“…Sparse arrays can identify \mathcal{O}(N^{2}) uncorrelated sources using N physical sensors…”
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Angle Estimation for Bistatic MIMO Radar under Element Failure via Tensor Completion with Factor Priors Autor Chen, Jinli, Jiang, Zhijun, Zhu, Xicheng, Li, Jiaqiang

“…The presence of element failure results in an inevitable performance loss in angle estimation in multiple-input multiple-output (MIMO) radar…”
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Three-dimensional photoacoustic imaging by sparse-array detection and iterative image reconstruction Autor Ephrat, Pinhas, Keenliside, Lynn, Seabrook, Adam, Prato, Frank S, Carson, Jeffrey J L

“… We present a different approach based on a sparse 2-D array of detector elements and an iterative reconstruction algorithm…”
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