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Near-field channel estimation for extremely large-scale Terahertz communications: 《Science China(Information Sciences)》2024年第9期209-224,共16页Songjie YANG Yizhou PENG Wanting LYU Ya LI Hongjun HE Zhongpei ZHANG Chau YUEN; supported by Key R&D Program of Zhejiang(Grant No.Z24JX007)。; Future Terahertz communications exhibit significant potential in accommodating ultra-high-rate services.Employing extremely large-scale array antennas is a key approach to realize this potential,as they can harness su...; 关键词：Terahertz communications near field channel estimation widely-spaced multi-subarray sparse recovery

Blindness-free beam scanning antenna with array of array architecture:principle,design,and experiment: 《Science China(Information Sciences)》2024年第3期205-220,共16页Jianxu SUN Yujian CHENG; supported in part by National Key Research and Development Plan of China (Grant No.2020YFB1807404)。; This paper presents a 66–76-GHz sparsely-excited phased array antenna with the array of array(AoA)architecture for eliminating the blindness and suppressing the grating lobe when scanning.For the array antennas print...; 关键词：6G communication systems phased array AOA aperiodic subarray wideband wide-scanning SURFACE-WAVE scanning blindness grating lobe

DOA and Subarray-Interval Estimation for Arbitrarily Distributed UAV Swarm System被引量：1: 《China Communications》2023年第4期102-117,共16页Dian Fan Yue Zhu Jia You Zhe Wang Nan Zhong; supported by National Natural Science Foundation of China(No.62101601)。; In this paper,DOA and subarray-interval estimation are considered and applied to arbitrarily distributed unmanned aerial vehicle(UAV)swarm system,in which multiple small UAVs containing uniform linear array(ULA)are di...; 关键词：distributed subarray DOA orientation angle subarray-interval CRB

Finite sensor selection algorithm in distributed MIMO radar for joint target tracking and detection被引量：6: 《Journal of Systems Engineering and Electronics》2020年第2期290-302,共13页ZHANG Haowei XIE Junwei GE Jiaang ZHANG Zhaojian LU Wenlong; supported by the National Natural Science Foundation of China(61601504)。; Due to the requirement of anti-interception and the limitation of processing capability of the fusion center, the subarray selection is very important for the distributed multiple-input multiple-output(MIMO) radar sys...; 关键词：distributed MULTIPLE-INPUT multiple-output(MIMO)radar SUBARRAY selection TARGET tracking TARGET detection particle SWARM optimization(PSO)

Dot-shaped beamforming analysis based on OSB log-FDA被引量：1: 《Journal of Systems Engineering and Electronics》2020年第2期312-320,共9页WANG Bo XIE Junwei ZHANG Jing ZHANG Haowei; supported by the National Natural Science Foundation of China(61503408)。; The range and angle information of the frequency diverse array(FDA) cannot be exclusively determined at the output of the array because of the range-angle coupled transmit beampattern. The best decoupling approach is ...; 关键词：subarray-based FREQUENCY diverse array(SB FDA) planar FREQUENCY diverse array(PFDA) decoupling dot-shaped beamforming

Dot-shaped beamforming analysis of subarray-based sin-FDA被引量：3: 《Frontiers of Information Technology & Electronic Engineering》2019年第10期1429-1444,共16页Bo WANG Jun-wei XIE Jing ZHANG Jia-ang GE; Project supported by the National Natural Science Foundation of China(No.61503408)。; Phased array (PA) radar is one of the most popular types of radar. In contrast to PA, the frequency diverse array (FDA) is a potential solution to suppress range-related interference because of its time-range-angle-de...; 关键词：FREQUENCY diverse ARRAY Subarray-based FREQUENCY diverse ARRAY Decoupling Dot-shaped beamforming

Multi-dimensional ambiguity function for subarray-based space-time coding radar: 《Journal of Systems Engineering and Electronics》2019年第5期886-896,共11页LAN Lan LIAO Guisheng XU Jingwei WANG Hanbing; supported by the National Key Research and Development Program of China(2016YFE0200400);the Key R&D Program of Shaanxi Province(2017KW-ZD-12);the Postdoctoral Science Foundation of Shaanxi Province;the Nature Science Foundation of Shaanxi Province; Space-time coding radar has been recently proposed and investigated.It is a radar framework which can perform transmit beamforming at the receiver.However,the range resolution decreases when the number of the transmit...; 关键词：SPACE-TIME coding RADAR MULTI-DIMENSIONAL AMBIGUITY function range resolution wide spatial coverage SUBARRAY SIDELOBE

High-resolution bottom detection algorithm for a multibeam echo-sounder system with a U-shaped array: 《Acta Oceanologica Sinica》2018年第7期78-84,共7页JIANG Ying YANG Zhiguo LIU Zongwei YANG Chunmei; The National Natural Science Foundation of China under contract No.41706066;the National Key R&D Program of China under contract No.2016YFC1400200;the China-ASEAN Maritime Cooperation Fund; High-resolution approaches such as multiple signal classification and estimation of signal parameters via rotational invariance techniques（ESPRIT） are currently employed widely in multibeam echo-sounder（MBES）syste...; 关键词：high-resolution bottom detection multibeam echo-sounder subarray beamforming virtual array transformation

Overlapped Subarray Architecture of an Wideband Phased Array Antenna with Interference Suppression Capability被引量：1: 《Journal of Electromagnetic Analysis and Applications》2013年第5期201-204,共4页Quazi Md. Alfred Tapas Chakravarty Salil Kumar Sanyal; This paper presents a novel architecture of combining the linear array of antenna elements, where each antenna element has digitally selectable true time-delays as weights. Use of time-delays for beam-formation inhere...; 关键词：Phased ARRAY SUBARRAY TIME-DELAY Overlapped ARRAY

A Novel Analog and Digital Weighting Approach for Sum and Difference Beam of Planar Array at Subarray Level: 《Chinese Journal of Electronics》2010年第3期468-472,共5页HU Hang LIU Weihui; This work is supported by the China Postdoctoral Science Foundation Funded Project （No.20080430905）, the China Postdoctoral Science Foundation Funded Project （No.200902412）, the Aeronautical Science Founda- tion of China （No.20092077010）, and the Spaceflight Support Foundation of China （2008）.; Aim at planar array radar, this paper investigated an approach which only applies one kind of analog weighting at element level to suppress sldelobes of sum and difference beam simultaneously. Consequently, sum and di...; 关键词：Planar phased array Analog weighting Digital weighting at subarray level Sidelobe suppression.

SUBARRAY