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STE: 作品数：606被引量：1032H指数：13; 导出分析报告; 相关领域：医药卫生更多>>; 相关作者：杨琴田文寿赵余庆王明建江峰更多>>; 相关机构：华东师范大学山东大学华中科技大学南京师范大学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划河北省自然科学基金国家教育部博士点基金更多>>

Carrier transport barrier in AlGaN-based deep ultraviolet LEDs on offcut sapphire substrates: 《Chinese Optics Letters》2024年第2期148-158,共11页陈秋爽陈荔陈聪高歌郭炜叶继春; supported by the National Natural Science Foundation of China(No.62104233);the Natural Science Foundation of Ningbo(No.2022J298);the Zhejiang Provincial Natural Science Foundation(No.LQ21F040004);the Ningbo Innovation 2025 Major Project(No.2021Z082)。; AlGaN-based light-emitting diodes(LEDs)on offcut substrates enhance radiative emission via forming carrier localization centers in multiple quantum wells(MQWs).This study introduces the carrier transport barrier conce...; 关键词：carrier localization step-bunching potential barrier offcut substrate DUV LEDs

Wideband spectrum sensing using step-sampling based on the multipath nyquist folding receiver: 《Defence Technology（防务技术）》2024年第1期523-536,共14页Kai-lun Tian Kai-li Jiang Sen Cao Jian Gao Ying Xiong Bin Tang Xu-ying Zhang Yan-fei Li; supported by the Key Projects of the 2022 National Defense Science and Technology Foundation Strengthening Plan 173 (Grant No.2022-173ZD-010);the Equipment PreResearch Foundation of The State Key Laboratory (Grant No.6142101200204)。; Wideband spectrum sensing with a high-speed analog-digital converter(ADC) presents a challenge for practical systems.The Nyquist folding receiver(NYFR) is a promising scheme for achieving cost-effective real-time spec...; 关键词：Wideband spectrum sensing Sub-Nyquist sampling Step-sampling Nyquist folding receiver(NYFR) Multisignal processing

Non-Uniform Pitch Helical Resonators for Dual-Passband Filter Design: 《Wireless Engineering and Technology》2022年第2期19-31,共13页Yahui Wu Ruwan Gajaweera Jeremy Everard; This paper presents a study of a non-uniform pitch helical resonator (NPHR) structure and the coupling mechanisms to design dual-passband filters. The previous research analyzes NPHR as a type of step impedance resona...; 关键词：Helical Filter DUAL-BAND Circuit Model Step-Width Aperture

Analysis and Optimization of Crop Planting Structure in Ningxia: 《Asian Agricultural Research》2022年第6期37-40,共4页Qing WANG Huaru LIU Dongpu FENG; [Objectives]To analyze and optimize the crop planting structure in Ningxia based on the shortage of water resources and the large proportion of agricultural water consumption in Ningxia.[Methods]The change trend of cr...; 关键词：Multi-objective optimization Planting structure optimization STEM method

Implementation Framework and Validation of Cluster-Nuclei Based Channel Model Using Environmental Mapping for 6G Communication Systems被引量：4: 《China Communications》2022年第4期1-13,共13页Li Yu Yuxiang Zhang Jianhua Zhang Zhiqiang Yuan; supported by National Science Fund for Distinguished Young Scholars (No.61925102);Beijing University of Posts and TelecommunicationsChina Mobile Research Institute Joint Innovation Center。; With the research of the upcoming sixth generation(6 G) systems, new technologies will require wider bandwidth, larger scale antenna arrays and more diverse wireless communication scenarios on the future channel model...; 关键词：channel model 6G cluster-nuclei environmental mapping SCATTERER RAY-TRACING geometrybased stochastic model

Directional Electromagnetic Interference Shielding Based on Step-Wise Asymmetric Conductive Networks被引量：5: 《Nano-Micro Letters》2022年第1期262-277,共16页Bai Xue Yi Li Ziling Cheng Shengdu Yang Lan Xie Shuhao Qin Qiang Zheng; Science and Technology Plan Project of Guizhou Province(No.[2019]1084 and[2018]5781);National Natural Science Foundation of China(No.51963003);The Youth Science and Technology Talent Growth Project of Guizhou Province Education Department(No.[2018]106);Outstanding Youth Program of Guizhou Province(No.20170439178);The Key project of Fundamental research in Guizhou province[2020]1Z044;Scientific Research Project of Introduced Talents of Guizhou University(No.(2017)07)are acknowledged for the financial support.; Some precision electronics such as signal transmitters need to not only emit effective signal but also be protected from the external electromagnetic(EM)waves.Thus,directional electromagnetic interference(EMI)shieldin...; 关键词：Solution encapsulation Step-wise asymmetry Directional electromagnetic interference shielding Electrical conductivity Vacuum-assisted self-assembly

Design of hollow core step-index antiresonant fiber with stepped refractive indices cladding: 《Frontiers of Optoelectronics》2021年第4期407-413,共7页Botao DENG Chaotan SIMA Hongyu TAN Xiaohang ZHANG Zhenggang LIAN Guoqun CHEN Qianqing YU Jianghe XU Deming LIU; the National Natural Science Foundation of China(Grant No.62075074);the National Key R&D Program of China(Nos.2018YFF01011800 and 2018YFB2201901).; With the benefits of low latency,wide transmission bandwidth,and large mode field area,hollow-core antiresonant fiber(HC-ARF)has been a research hotspot in the past decade.In this paper,a hollow core step-index antire...; 关键词：antiresonant fiber(ARF) stepped refractive indices confinement loss bending loss laser pumping

Bufferless Epitaxial Growth of GaAs on Step-Free Ge(001)Mesa: 《Chinese Physics Letters》2021年第6期67-71,共5页Ding-Ming Huang Jie-Yin Zhang Jian-Huan Wang Wen-Qi Wei Zi-Hao Wang Ting Wang Jian-Jun Zhang; Supported by the National Natural Science Foundation of China(Grant Nos.61975230,61635011,61804177 and 11804382);the National Key Research and Development Program of China(Grant No.2018YFB2200104);Beijing Municipal Science and Technology Commission(Grant No.Z191100004819010);the Key Research Program of Frontier Sciences,CAS(Grant No.QYZDB-SSW-JSC009)。; GaAs/Ge heterostructures have been employed in various semiconductor devices such as solar cells,high-performance CMOS transistors,andⅢ-Ⅴ/Ⅳheterogeneous optoelectronic devices.The performance of these devices is di...; 关键词：GAAS/GE OPTOELECTRONIC TUNNELING

Direct demonstration of carrier distribution and recombination within step-bunched UV-LEDs被引量：3: 《Photonics Research》2021年第5期764-771,共8页HOUQIANG XU JIEAN JIANG LI CHEN JASON HOO LONG YAN SHIPING GUO CAI SHEN YANPING WEI HUA SHAO ZI-HUI ZHANG WEI GUO JICHUN YE; National Key Research and Development Program of China(2016YFB0400802);National Natural Science Foundation of China(61974149);Key Research and Development Program of Zhejiang Province(2019C01080,2020C01145);Science and Technology Innovation 2025 Major Project of Ningbo(2018B10088,2019B10121);Instrument Developing Project of the Chinese Academy of Sciences(YJKYYQ20190074)。; AlGaN-based solid state UV emitters have many advantages over conventional UV sources. However, UV-LEDs still suffer from numerous challenges, including low quantum efficiency compared to their blue LED counterparts. ...; 关键词：distribution mechanism QUANTUM

Device physics and design of FD-SOI JLFET with step-gate-oxide structure to suppress GIDL effect: 《Chinese Physics B》2021年第4期497-501,共5页Bin Wang Xin-Long Shi Yun-Feng Zhang Yi Chen Hui-Yong Hu Li-Ming Wang; Project supported by the National Natural Science Foundation of China(Grant No.61704130);the Fund from the Science and Technology on Analog Integrated Circuit Laboratory,China(Grant No.JCKY2019210C029)。; A novel n-type junctionless field-effect transistor(JLFET) with a step-gate-oxide(SGO) structure is proposed to suppress the gate-induced drain leakage(GIDL) effect and off-state current I_(off).Introducing a 6-nm-thi...; 关键词：junctionless field-effect transistor(FET) gate-induced drain leakage(GIDL) step-gate-oxide offstate current

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