OFF-GRID

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相关机构：重庆邮电大学电子科技大学哈尔滨工程大学中国卫星海上测控部更多>>
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Off-grid DOA estimation via a deep learning framework
《Science China(Information Sciences)》2023年第12期218-233,共16页Yan HUANG Yanjun ZHANG Jun TAO Cai WEN Guisheng LIAO Wei HONG 
supported by National Natural Science Foundation of China (Grant No.61901112)。
Direction-of-arrival(DOA)estimation problem is one of the most important tasks for array signal processing.Conventional methods are limited by either the computational complexity or the resolution.In this paper,a nove...
关键词：direction-of-arrival(DOA)estimation deep learning(DL) OFF-GRID array signal processing 
OFF-grid full-dimension channel estimation for mm Wave/THz systems with angular block prior
《Science China(Information Sciences)》2021年第11期241-242,共2页Hongyun CHU Wei FENG Maoqi LI Zhichao ZHU Guilu WU 
supported by IoT Innovation Team for Talent Promotion Plan of Shaanxi Province(Grant No.2019TD-028);XUPT New Doctor Startup Funds(Grant No.101/205020044);Open Research Fund of National Mobile Communications Research Laboratory,Southeast University(Grant No.2020D17)。
Dear editor,The acquirement of the channel state information(CSI) is indispensable for designing efficient beamformers [1]. Unfortunately, estimating CSI is extremely challenging in the mm Wave/THz systems where the n...
关键词：channel estimation Wave 
Off-grid correction for improving scatterer localization performance in compressive sampling SAR tomography被引量：1
《Science China(Information Sciences)》2021年第2期262-263,共2页Xiaoxiang ZHU Anxi YU Zhen DONG Manqing WU Qi LIU 
supported by National Natural Science Foundation of China(Grant No.61771478)。
Dear editor,SAR tomography(TomoSAR)[1]as an adavnced technique forms an elevation aperture along the elevation direction.Therefore,it has the ability of resolving layovers,which are common in urban environments.For th...
关键词：CORRECTION SCATTER EDITOR 
DLSLA 3-D SAR imaging algorithm for off-grid targets based on pseudo-polar formatting and atomic norm minimization被引量：1
《Science China(Information Sciences)》2016年第6期221-235,共15页Qian BAO Kuoye HAN Xueming PENG Wen HONG Bingchen ZHANG Weixian TAN 
supported by Innovation of the Chinese Academy of Sciences International Partnership Project (Grant No. Y313110240);National Natural Science Foundation of China (Grant Nos. 61201433, 61372186);Program for Young Talents of Science and Technology in Universities of Inner Mongolia Autonomous Region (Grant No. NJYT-14-B09)
This paper concerns the imaging problem for downward looking sparse linear array three-dimensional synthetic aperture radar（DLSLA 3-D SAR） under the circumstance of sparse and non-uniform cross-track dimensional vir...
关键词：atomic norm minimization DLSLA 3-D SAR sparse recovery off-grid targets pseudo-PFA 3-D imaging 
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