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Wideband and high-gain BeiDou antenna with a sequential feed network for satellite tracking Research Article

Zhuolin DENG, Zhongyu TIAN, Chenhe DUAN, Pei XIAO, Zhu LIU, Gaosheng LI,Gaosheng7070@vip.163.com

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 10,   Pages 1471-1481 doi: 10.1631/FITEE.2200244

Abstract: In this paper, we propose a wideband circularly polarized high-performance .

Keywords： BeiDou antenna     Wideband circularly polarized radiation     Four-port sequential feed network     Global navigation    

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Analysis and design of novel wideband and high efficiency millimeter-wave antenna arrays for 60-GHz applications Research Articles

Kai-lai WU, Yuan YAO, Xiao-he CHENG, Jun-sheng YU, Tao YU, Xiao-dong CHEN

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 1,   Pages 128-143 doi: 10.1631/FITEE.1900461

Abstract: The antenna array can be adjusted to be linearly or circularly polarized by simply changing the radiationHigh gain, wideband, and high radiation efficiency characteristics can be achieved by adopting a lowFor the linearly polarized antenna array, simulation results show that the impedance bandwidth of theSimulation results of the 8×8 linearly polarized antenna array show a bandwidth of 21.6% and a gain ofFor the 8×8 circularly polarized antenna array, simulation results show that an impedance bandwidth of

Keywords： 60 GHz     Antenna array     Linearly polarized     Circularly polarized     Millimeter-wave    

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High-Efficiency Circularly Polarized Phased Array Based on 5 μm-Thick Nematic Liquid Crystals: Design Article

Xin Yu Wu,Fengshuo Wan,Hongyuan Feng,Shichao Jin,Chong Guo,Yu Wei,Dunge Liu,Yuqian Yang,Longzhu Cai,Zhi Hao Jiang,Wei Hong

Engineering 2024, Volume 32, Issue 1,   Pages 70-82 doi: 10.1016/j.eng.2023.08.013

Abstract:

This paper presents a systematic investigation and demonstration of a K-band circularly polarizedThe LCPA contains 16 phase-shifting radiating channels, each consisting of a circularly polarized stackedmanufactured and characterized with a total profile of only 1.76 mm, experimentally demonstrating a scanned circularlypolarized beam from −40° to +40° with a measured peak gain of 12.5 dBic and a scanningThe use of the demonstrated low-profile LCPA to support circularly polarized scanning beams, along with

Keywords： Circularly polarized     Liquid crystal     Liquid-crystal-based phased array (LCPA)     Phase shifter     Over-the-air    

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Wideband circular-polarized transmitarray for generating a high-purity vortex beam Correspondence

Liangjie QIU, Xiuping LI, Zihang QI, Wenyu ZHAO, Yuhan HUANG,xpli@bupt.edu.cn

Frontiers of Information Technology & Electronic Engineering 2023, Volume 24, Issue 6,   Pages 927-934 doi: 10.1631/FITEE.2200539

Abstract: In this correspondence, a wideband circular-polarized (CP) transmitarray (TA) in the Ka-band is presented

Keywords： 轨道角动量；涡旋波束；透射阵；宽带；高纯度    

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Particle therapy for cancers: a new weapon in radiation therapy

Guo-Liang Jiang

Frontiers of Medicine 2012, Volume 6, Issue 2,   Pages 165-172 doi: 10.1007/s11684-012-0196-4

Abstract: Particle irradiation started to draw attention in the past decade and has now become a hotspot in the radiationdevelopments in particle irradiation, focusing on the characteristics of proton and carbon ions in radiationCompared with the most advanced radiation techniques using photon, such as three-dimensional conformalradiation therapy and intensity-modulated radiation therapy, proton therapy has yielded more promising

Keywords： radiation therapy     particle therapy     proton     carbon     cancer    

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Analysis of radiation heat transfer and temperature distributions of solar thermochemical reactor for

Bachirou GUENE LOUGOU, Yong SHUAI, Xiang CHEN, Yuan YUAN, Heping TAN, Huang XING

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 480-492 doi: 10.1007/s11708-017-0506-2

Abstract: This paper investigated radiation heat transfer and temperature distributions of solar thermochemicalsyngas production using the finite volume discrete ordinate method (fvDOM) and P1 approximation for radiationThe fvDOM approximation was used to obtain the radiation intensity distribution along the reactor.The drop in the temperature resulted from the radiation scattering was further investigated using theto the thermal non-equilibrium was observed in the radiation inlet region.

Keywords： solar thermochemical reactor     incident radiation flux     temperature distribution     radiation absorptivity     radiation emissivity     thermal performance analysis    

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Security of solar radiation management geoengineering

Andrew LOCKLEY

Frontiers of Engineering Management 2019, Volume 6, Issue 1,   Pages 102-116 doi: 10.1007/s42524-019-0008-5

Abstract:

Solar Radiation Management (SRM) geoengineering is a proposed response to anthropogenic global warming

Keywords： security     geoengineering     solar radiation ma-nagement     SRM    

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Distributed governance of Solar Radiation Management geoengineering: A possible solution to SRM’s “free-driver

Andrew LOCKLEY

Frontiers of Engineering Management 2019, Volume 6, Issue 4,   Pages 551-556 doi: 10.1007/s42524-019-0055-y

Abstract: Solar Radiation Management geoengineering (SRM) offers relatively inexpensive, rapid temperature control

Keywords： geoengineering     Solar Radiation Management     governance     decentralised    

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Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 687-699 doi: 10.1007/s11708-021-0773-9

Abstract: Parameters influencing photocatalyst distribution and radiation distribution at the reactor outlet, viz

Keywords： photocatalytic hydrogen photoreactor     nume- rical simulation     solar energy     flow model     radiation model    

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A method of determining flame radiation fraction induced by interaction burning of tri-symmetric propane

Jie JI, Junrui DUAN, Huaxian WAN

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 1017-1026 doi: 10.1007/s11708-020-0716-x

Abstract: The interaction of multiple fires may lead to a higher flame height and more intense radiation flux thanMoreover, the multi-point source model was further improved, and radiation fraction of propane was calculatedThe data obtained in this study would play an important role in calculating the external radiation of

Keywords： flame interaction     air entrainment     flame height     multi-point source model     thermal radiation    

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Design and analysis of Salisbury screens and Jaumann absorbers for solar radiation absorption

Xing FANG, C. Y. ZHAO, Hua BAO

Frontiers in Energy 2018, Volume 12, Issue 1,   Pages 158-168 doi: 10.1007/s11708-018-0542-6

Abstract: ., Salisbury screens and Jaumann absorbers are systematically investigated in solar radiation absorption

Keywords： thin films     admittance loci     solar absorber    

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Gain-enhanced reconfigurable radiation array with mechanically driven system and directive elements

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0716-0

Abstract: In this paper, we propose a mechanically reconfigurable radiation array (RRA) based on miniaturized elements

Keywords： mechanism     reconfigurable radiation array (RRA)     compact state     deployed state     enhanced gain    

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The effect of orbital radiation therapy on thyroid-associated orbitopathy complicated with dysthyroid

Yang Wang, Huifang Zhou, Xianqun Fan

Frontiers of Medicine 2017, Volume 11, Issue 3,   Pages 359-364 doi: 10.1007/s11684-017-0528-5

Abstract: Orbital radiation therapy (ORT) is an anti-inflammatory treatment used in the treatment of active TAO

Keywords： thyroid-associated orbitopathy     dysthyroid optic neuropathy     orbital radiation therapy    

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Numerical simulation and experiment research of radiation performance in a dish solar collector system

Yong SHUAI, Xinlin XIA, Heping TAN

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 488-495 doi: 10.1007/s11708-010-0007-z

Abstract: The Monte Carlo ray-tracing method is applied and coupled with optical properties to predict the radiationSeveral different cavity geometries are compared on the radiation performance.

Keywords： Monte Carlo method     solar energy     radiation performance     cavity receiver    

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Analysis of the radiation heat transfer process of phase change for a liquid droplet radiator in space

Jinying YIN, Linhua LIU

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 166-173 doi: 10.1007/s11708-010-0105-y

Abstract: The optimization of a space power system is greatly affected by the radiation heat transfer in a liquidRadiation heat transfer in a two-dimensional bed of phase-change particle is modeled by solving the radiative

Keywords： radiation heat transfer     particle polydispersion     liquid droplet radiator     phase change    

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Title Author Date Type Operation

Wideband and high-gain BeiDou antenna with a sequential feed network for satellite tracking

Zhuolin DENG, Zhongyu TIAN, Chenhe DUAN, Pei XIAO, Zhu LIU, Gaosheng LI,Gaosheng7070@vip.163.com

Journal Article

Analysis and design of novel wideband and high efficiency millimeter-wave antenna arrays for 60-GHz applications

Kai-lai WU, Yuan YAO, Xiao-he CHENG, Jun-sheng YU, Tao YU, Xiao-dong CHEN

Journal Article

High-Efficiency Circularly Polarized Phased Array Based on 5 μm-Thick Nematic Liquid Crystals: Design

Xin Yu Wu,Fengshuo Wan,Hongyuan Feng,Shichao Jin,Chong Guo,Yu Wei,Dunge Liu,Yuqian Yang,Longzhu Cai,Zhi Hao Jiang,Wei Hong

Journal Article

Wideband circular-polarized transmitarray for generating a high-purity vortex beam

Liangjie QIU, Xiuping LI, Zihang QI, Wenyu ZHAO, Yuhan HUANG,xpli@bupt.edu.cn

Journal Article

Particle therapy for cancers: a new weapon in radiation therapy

Guo-Liang Jiang

Journal Article

Analysis of radiation heat transfer and temperature distributions of solar thermochemical reactor for

Bachirou GUENE LOUGOU, Yong SHUAI, Xiang CHEN, Yuan YUAN, Heping TAN, Huang XING

Journal Article

Security of solar radiation management geoengineering

Andrew LOCKLEY

Journal Article

Distributed governance of Solar Radiation Management geoengineering: A possible solution to SRM’s “free-driver

Andrew LOCKLEY

Journal Article

Theoretical study on flow and radiation in tubular solar photocatalytic reactor

Journal Article

A method of determining flame radiation fraction induced by interaction burning of tri-symmetric propane

Jie JI, Junrui DUAN, Huaxian WAN

Journal Article

Design and analysis of Salisbury screens and Jaumann absorbers for solar radiation absorption

Xing FANG, C. Y. ZHAO, Hua BAO

Journal Article

Gain-enhanced reconfigurable radiation array with mechanically driven system and directive elements

Journal Article

The effect of orbital radiation therapy on thyroid-associated orbitopathy complicated with dysthyroid

Yang Wang, Huifang Zhou, Xianqun Fan

Journal Article

Numerical simulation and experiment research of radiation performance in a dish solar collector system

Yong SHUAI, Xinlin XIA, Heping TAN

Journal Article

Analysis of the radiation heat transfer process of phase change for a liquid droplet radiator in space

Jinying YIN, Linhua LIU

Journal Article