PLANAR

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Sparse optimization of planar radio antenna arrays using a genetic algorithm
《Astronomical Techniques and Instruments》2025年第2期100-110,共11页Jiarui Di Liang Dong Wei He 
supported by the Ministry of Science and Technology SKA Special Project(2020SKA0110202);the Special Project on Building a Science and Technology Innovation Center for South and Southeast Asia–International Joint Innovation Platform in Yunnan Province:"Yunnan Sino-Malaysian International Joint Laboratory of HF-VHF Advanced Radio Astronomy Technology"(202303AP140003);the National Natural Science Foundation of China (NSFC) Joint Fund for Astronomy (JFA) incubator program (U2031133);the International Partnership Program Project of the International Cooperation Bureau of the Chinese Academy of Sciences:"Belt and Road"Cooperation (114A11KYSB20200001);the Kunming Foreign (International) Cooperation Base Program:"Yunnan Observatory of the Chinese Academy of Sciences-University of Malaya Joint R&D Cooperation Base for Advanced Radio Astronomy Technology"(GHJD-2021022);the China-Malaysia Collaborative Research on Space Remote Sensing and Radio Astronomy Observation of Space Weather at Low and Middle Latitudes under the Key Special Project of the State Key R&D Program of the Ministry of Science and Technology for International Cooperation in Science,Technology and Innovation among Governments (2022YFE0140000);the High-precision calibration method for low-frequency radio interferometric arrays for the SKA project of the Ministry of Science and Technology(2020SKA0110300).
Radio antenna arrays have many advantages for astronomical observations,such as high resolution,high sensitivity,multi-target simultaneous observation,and flexible beam formation.Problems surrounding key indices,such ...
关键词：Planar antenna array Sparse optimization Genetic algorithm Wide-angle scanning 
Enhancing stability and performance of pseudo-planar heterojunction organic solar cells using a hindered phenolic antioxidant with over 19% efficiency
《Science China Materials》2025年第3期838-849,共12页Qian Wang Shuo Zhao Haojia Ding Peipei Zhu Yuang Fu Yujie Lv Xinhui Lu Haiming Zhu Xunfan Liao Yiwang Chen 
financially supported by the National Natural Science Foundation of China(NSFC)(22479066 and 52333006);Jiangxi Provincial Natural Science Foundation(20212ACB203005 and 20224ACB214002);the Thousand Talents Plan of Jiangxi Province(jxsq2019101051);the financial support from Research Grants Council(RGC)of Hong Kong(General Research Fund No.14303519).
Although significant advancements have been achieved in the performance of organic solar cells(OSCs),the intrinsic stability of active layer materials and their morphological instability continue to impede their comme...
关键词：organic solar cells pseudo-planar heterojunctions hindered phenolic antioxidant photo-oxidation stability morphological stability 
Efficient Beam Flattening for Planar-Integrated Magneto-Optical Traps
《Chinese Physics Letters》2025年第3期74-79,共6页Chang-Jiang Huang Hong-Chen Liu Liang Chen Chuan-Feng Li Guang-Can Guo Chang-Ling Zou Guo-Yong Xiang 
supported by the National Key R&D Program(Grant Nos.2021YFA1402004 and 2021YFF0603701);the National Natural Science Foundation of China(Grants Nos.12134014,U21A20433,U21A6006,and 92265108);supported by the Fundamental Research Funds for the Central Universities;USTC Research Funds of the Double First-Class Initiative。
The planar-integrated magneto-optical trap(PIMOT)offers a promising platform for miniaturizing cold atom systems,but its performance and laser-power efficiency are limited by the typically Gaussian profile of the inpu...
关键词：QUANTUM BEAM METROLOGY 
Short-circuit failure modes and mechanism investigation of 1200 V planar SiC MOSFETs
《Journal of Semiconductors》2024年第12期136-143,共8页Yi Huang Qiurui Chen Rongyao Ma Kaifeng Tang Qi Wang Hongsheng Zhang Ji Ding Dandan Xu Sheng Gao Genquan Han 
supported by the Science and Technology Innovation Key R&D Program of Chongqing (Grant No.2023TIADSTX0037);the National Natural Science Foundation of China (Grant No.62404026);the General Program of National Natural Science Foundation of Chongqing (Grant Nos.CSTB2023NSCQ-MSX0475,CSTB2024NSCQ-MSX0331);the Science and Technology Research Program of Chongqing Municipal Education Commission (Grant No.KJQN202400609).
This paper presents a comprehensive analysis of the short-circuit failure mechanisms in commercial 1.2 kV planar sili-con carbide(SiC)metal–oxide–semiconductor field-effect transistors(MOSFETs)under 400 and 800 V bu...
关键词：SiC MOSFETs short-circuit failure mode mechanical stresses cracks hot spot 
A planar compound eye based microsystem for high precision 3D perception
《PhotoniX》2024年第1期373-386,共14页Li Zhang Haiyang Zhan Xinyuan Liu Hongjing Cao Fei Xing Zheng You 
supported by the National Key Research and Development Program of China(2023YFB3906300).
Three-dimensional(3D)panoramic vision system plays a fundamental role in the biological perception of external information,and naturally becomes a key system for embodied intelligence to interact with the outside worl...
关键词：Target 3D perception and tracking Planar compound eye microsystem Large distance-baseline-ratio 
Cascaded chiral birefringent media enabled planar lens with programable chromatic aberration
《PhotoniX》2024年第1期411-423,共13页Dewei Zhang Chun-Ting Xu Quan-Ming Chen Han Cao Hong-Guan Yu Qing-Gui Tan Yan-qing Lu Wei Hu 
supported by the National Key Research and Development Program of China(2022YFA1203703);the National Natural Science Foundation of China(NSFC)(62035008);the Stable Support Fund of State Administration Science Technology and Industry for National Defense(HTKJ2022KL504003);Fundamental Research Funds for the Central Universities(021314380233).
Wavefront control is the fundamental requirement in optical informatics.Planar optics have drawn intensive attention due to the merits of compactness and light weight.However,it remains a challenge to freely manipulat...
关键词：Liquid crystals Planar lens Dispersion programmable Spatial light modulation 
Robust Path Following Control of AUVs Using Adaptive Super Twisting SOSMC
《哈尔滨工程大学学报(英文版)》2024年第4期947-959,共13页Raghavendra M.Shet Girish V.Lakhekar Nalini C.Iyer Laxman M.Waghmare 
The path-following control design for an autonomous underwater vehicle(AUV)requires prior full or partial knowledge about the mathematical model defined through Newton’s second law based on a geometrical investigatio...
关键词：Autonomous underwater vehicle Super twisting second-order sliding mode control Salp Swarm optimization Planar path following control and hardware-in-loop 
Extension of Hannan’s Limit: Evaluation and Enhancement of Beam-Scanning Performance of Planar Phased Arrays
《Electromagnetic Science》2024年第4期50-63,共14页Zitong Wang Qi Wu 
National Natural Science Foundation of China(Grant No.U2141230).
For a large-scale array,its realized gain is always smaller than the summation of the element gains in isolation,which is the well-known gain paradox proposed by Hannan.To explain the paradox,embedded element efficien...
关键词：Beam scanning DECOUPLING Embedded element efficiency Hannan’s limit Large-scale array antenna 
Ultracompact computational spectroscopy with a detour-phased planar lens
《Light(Advanced Manufacturing)》2024年第4期45-53,共9页Wenkai Yang Zijian Wang Jian Xu Dashan Dong Guiyuan Cao Han Lin Baohua Jia Lige Liu Kebin Shi 
funded by National Key Research and Development Program of China(2022YFF0712500,2022YFC3401100);Guangdong Major Project of Basic and Applied Basic Research No.2020B0301030009;the National Natural Science Foundation of China(12004012,92150301,91750203,12041602,91850111,and 12004013);the China Postdoctoral Science Foundation(2020M680230,2020M680220);The author would like to thank the High-performance Computing Platform of Peking University;This work was also supported by Australia Research Council(Grant No.DP220100603,FT210100806,FT220100559);Industrial Transformation Training Centres scheme(Grant No.IC180100005),Linkage Project scheme(LP210200345).
Compact micro-spectrometers have gained significant attention due to their ease of integration and real-time spectrum measurement capabilities.However,size reduction often compromises performance,particularly in resol...
关键词：Computational spectrometer Planar lens Graphene oxide Direct laser writing 
Effective degree of freedom for near-field plane-based XL-MIMO with tri-polarization
《Frontiers of Information Technology & Electronic Engineering》2024年第12期1723-1731,共9页Zhe WANG Jiayi ZHANG Wenhui YI Huahua XIAO Dusit NIYATO Bo AI 
Project supported by the National Natural Science Foundation of China(No.62221001);the National Research Foundation,Singapore,and Infocomm Media Development Authority under its Future Communications Research&Development Programme,the Defence Science Organisation(DSO)National Laboratories under the AI Singapore Programme(Nos.CP-NTU-RG-2022-010 and FCP-ASTAR-TG-2022-003);the Singapore Ministry of Education(MOE)Tier 1(No.RG87/22);the NTU Centre for Computational Technologies in Finance(NTU-CCTF)。
In this paper we study the effective degree of freedom(EDoF)for extremely large-scale multipleinput multiple-output(XL-MIMO)systems.We consider two XL-MIMO hardware designs,uniform planar array(UPA)based and continuou...
关键词：field PLANAR function 
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