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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: p>This paper presents a systematic investigation and demonstration of a K-band circularly polarized liquid-crystal-basedphased array (LCPA), including the design, over-the-air (OTA) in-array calibration, and experimentalpatch antenna and a liquid-crystal-based phase shifter (LCPS) based on a loaded differential line structureon a liquid crystal layer with a thickness of only 5 μm.Furthermore, an automatic OTA calibration based on a state ergodic method is proposed, which enables

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

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Dynamic modulation performance of ferroelectric liquid crystal polarization rotators and Mueller matrix

Song ZHANG, Lelun WANG, Anze YI, Honggang GU, Xiuguo CHEN, Hao JIANG, Shiyuan LIU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 256-264 doi: 10.1007/s11465-019-0573-7

Abstract: A ferroelectric liquid crystal polarization rotator (FLCPR) has been widely used in polarization measurementof the modulation performance of FLCPR directly affects the measurement accuracy of the instrument basedon liquid crystal modulation.A dual FLCPR-based Mueller matrix polarimeter is designed on the basis of the Stokes polarimeter.

Keywords： ferroelectric liquid crystal polarization rotator (FLCPR)     dual liquid crystal Mueller matrix polarizer    

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A scheduling method based on a hybrid genetic particle swarm algorithm for multifunction phased array Article

Hao-wei ZHANG, Jun-wei XIE, Wen-long LU, Chuan SHENG, Bin-feng ZONG

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 11,   Pages 1806-1816 doi: 10.1631/FITEE.1601358

Abstract: algorithm, and a heuristic inter-leaving algorithm is proposed for scheduling tasks in the multifunction phasedarray radar.

Keywords： Phased array radar     Scheduling     Particle swarm algorithm     Genetic algorithm     Pulse interleave    

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Effect of polymer structures on electro-optical properties of polymer stabilized liquid crystal films

WANG Shoulian, HE Jie, ZENG Yu, YAN Bin, WANG Yinghan

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 265-268 doi: 10.1007/s11705-008-0054-8

Abstract: The polymer stabilized liquid crystal (PSLC) film is a relatively novel electro-optical material, whichobtained by dissolving a small amount of a bifunctional photoreactive monomer in a low molecular mass liquidcrystal.The effects of liquid crystal concentration, curing time, monomer structures and alignment layer on theThe results show that the transmittance in the OFF state () increased with the liquid crystal concentration
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Room temperature liquid metal: its melting point, dominating mechanism and applications

Junheng FU, Chenglin ZHANG, Tianying LIU, Jing LIU

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 81-104 doi: 10.1007/s11708-019-0653-8

Abstract: The room temperature liquid metal (LM) is recently emerging as a new class of versatile materials withfascinating characteristics mostly originated from its simultaneous metallic and liquid natures.factors like components, pressure, size and supercooling that may be critical for melting processes of liquid

Keywords： melting point     liquid metal     crystal     thermodynamics     molecular dynamics    

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High-Temperature Target Recognition Based on Spectral Radiation Information

Fan Xueliang,Cheng Xiaofang,Xu Jun

Strategic Study of CAE 2004, Volume 6, Issue 6,   Pages 57-62

Abstract:

Based on the principles of optics and radiometry, the imaging mathematical model is established andBy optimizing the initial image capture stage, using liquid crystal light valve to make a simple modification

Keywords： video image     object recognition     radiation information     liquid crystal light valve    

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LCF behavior and life prediction method of a single crystal nickel-based superalloy at high temperature

Zhihua ZHANG,Huichen YU,Chengli DONG

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 418-423 doi: 10.1007/s11465-015-0362-x

Abstract:

Low cycle fatigue tests were conducted on the single crystal nickel-based superalloy, DD6, with different

Keywords： life prediction     single crystal superalloy     low cycle fatigue (LCF)     crystallographic orientation     strain    

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Perspective on gallium-based room temperature liquid metal batteries

Frontiers in Energy 2022, Volume 16, Issue 1,   Pages 23-48 doi: 10.1007/s11708-022-0815-y

Abstract: Featuring inherent liquidity, metallicity, and biocompatibility, Ga-based room-temperature liquid metalsThen, Ga-based liquid metals as main working electrodes in primary and secondary batteries are reviewedNext, Ga-based liquid metals as auxiliary working electrodes in lithium and nonlithium batteries areAfter that, Ga-based liquid metals as interconnecting electrodes in multi-scenarios including photovoltaicsThe summary and perspective of Ga-based liquid metals as diverse battery materials are also focused on

Keywords： liquid metals     soft electrodes     flexible batteries     deformable energy supply devices     epidermal electronics    

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Assessment of a fuzzy logic based MRAS observer used in a photovoltaic array supplied AC drive

Bhavnesh KUMAR, Yogesh K CHAUHAN, Vivek SHRIVASTAVA

Frontiers in Energy 2014, Volume 8, Issue 1,   Pages 81-89 doi: 10.1007/s11708-014-0295-9

Abstract: In this paper a fuzzy logic (FL) based model reference adaptive system (MRAS) speed observer for highThe error vector computation is made based on the rotor-flux derived from the reference and the adaptive

Keywords： induction motor drive     fuzzy logic (FL) control     model reference adaptive system (MRAS)     photovoltaic (PV) array    

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Systematic screening procedure and innovative energy-saving design for ionic liquid-based extractive

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 34-45 doi: 10.1007/s11705-022-2234-3

Abstract: In this study, a systematic screening strategy and innovative energy-saving design for ionic liquid-basedAn innovative ionic liquid-based extractive distillation process combining distillation column and stripping

Keywords： ionic liquid     entrainer screening     feasibility analysis     extractive distillation    

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Liquid-based high-temperature receiver technologies for next-generation concentrating solar power: A

Frontiers in Energy 2023, Volume 17, Issue 1,   Pages 16-42 doi: 10.1007/s11708-023-0866-8

Abstract: Because of extensive engineering application experience, the liquid-based receiver is an attractive receiverThis review is focused on four of the most promising liquid-based receivers, including chloride saltsresolving the sodium fire risk and material compatibility issues could promote the potential application of liquid-metalFor example, the liquid sodium is used as the heat transfer fluid while the molten chloride salt is usedIn the end, suggestions for future studies are proposed to bridge the research gaps for > 700 °C liquid-based

Keywords： next-generation concentrating solar power     liquid-based solar receiver     molten salt     liquid metals    

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Harvesting biomechanical energy in the walking by shoe based on liquid metal magnetohydrodynamics

Dan DAI, Jing LIU, Yixin ZHOU

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 112-121 doi: 10.1007/s11708-012-0186-x

Abstract: A liquid metal magnetohydrodynamics generation system (LMMGS) was proposed and demonstrated in this papershoe-mounted human power harvesters that use solid coil and gear mechanism, the proposed system employs liquidWhile walking with the LMMGS, the foot alternately presses the two liquid metal pumps (LMPs) which areAs a result, the liquid metal in the LMPs (LMP I and II) is extruded and flows through the MHGs (MHGFurthermore, performances of these LMMGSs with different volume of injected liquid metal were tested

Keywords： human energy harvesting     liquid metal     wearable magnetohydrodynamics generator     parasitic power in shoe    

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Optimal Su-Do-Ku based interconnection scheme for increased power output from PV array under partial

P. SRINIVASA RAO,P. DINESH,G. SARAVANA ILANGO,C. NAGAMANI

Frontiers in Energy 2015, Volume 9, Issue 2,   Pages 199-210 doi: 10.1007/s11708-015-0350-1

Abstract: losses, which are reliant on the shape of the shade as well as the locations of shaded panels in the arrayconfiguration can be used to rearrange the physical locations of the PV modules in a total cross tied PV array

Keywords： array configuration     mismatch losses     partial shading     line losses     Su-Do-Ku arrangement    

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Rare-earth separation based on the differences of ionic magnetic moment via quasi-liquid strategy

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1584-1594 doi: 10.1007/s11705-022-2189-4

Abstract: Based on the tiny differences of ionic radius, solvent extraction has been developed as the “mass methodHerein, a novel method based on the large ionic magnetic moment differences of rare earth elements wasRare earths were firstly dissolved in the ionic liquid, then the ordering degree of them was improvedand finally the magnetic moment differences between paramagnetic and diamagnetic rare earths in quasi-liquidMagnetic separation via quasi-liquid system strategy provides a possibility of the novel, green, and

Keywords： rare earth element     different magnetic moment     magnetic separation     ionic liquid    

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Interval type-2 fuzzy logic based radar task priority assignment method for detecting hypersonic-glide Research Articles

Fanqing MENG, Kangsheng TIAN,maoximengruizhi@126.com,tiankangsheng@sohu.com

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 3,   Pages 488-501 doi: 10.1631/FITEE.2000560

Abstract: A radar task method based on was designed to solve the problem of resource management for to detectIn the radar task method based on IT2FLS, the maneuver factor, speed, azimuth difference, distance,Simulation results showed that the method based on IT2FLS has a higher precise tracking rate, mean initial

Keywords： Hypersonic-glide vehicle (HGV)     Phased-array radar     Interval type-2 fuzzy logic system (IT2FLS)     Priority    

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Title Author Date Type Operation

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

Dynamic modulation performance of ferroelectric liquid crystal polarization rotators and Mueller matrix

Song ZHANG, Lelun WANG, Anze YI, Honggang GU, Xiuguo CHEN, Hao JIANG, Shiyuan LIU

Journal Article

A scheduling method based on a hybrid genetic particle swarm algorithm for multifunction phased array

Hao-wei ZHANG, Jun-wei XIE, Wen-long LU, Chuan SHENG, Bin-feng ZONG

Journal Article

Effect of polymer structures on electro-optical properties of polymer stabilized liquid crystal films

WANG Shoulian, HE Jie, ZENG Yu, YAN Bin, WANG Yinghan

Journal Article

Room temperature liquid metal: its melting point, dominating mechanism and applications

Junheng FU, Chenglin ZHANG, Tianying LIU, Jing LIU

Journal Article

High-Temperature Target Recognition Based on Spectral Radiation Information

Fan Xueliang,Cheng Xiaofang,Xu Jun

Journal Article

LCF behavior and life prediction method of a single crystal nickel-based superalloy at high temperature

Zhihua ZHANG,Huichen YU,Chengli DONG

Journal Article

Perspective on gallium-based room temperature liquid metal batteries

Journal Article

Assessment of a fuzzy logic based MRAS observer used in a photovoltaic array supplied AC drive

Bhavnesh KUMAR, Yogesh K CHAUHAN, Vivek SHRIVASTAVA

Journal Article

Systematic screening procedure and innovative energy-saving design for ionic liquid-based extractive

Journal Article

Liquid-based high-temperature receiver technologies for next-generation concentrating solar power: A

Journal Article

Harvesting biomechanical energy in the walking by shoe based on liquid metal magnetohydrodynamics

Dan DAI, Jing LIU, Yixin ZHOU

Journal Article

Optimal Su-Do-Ku based interconnection scheme for increased power output from PV array under partial

P. SRINIVASA RAO,P. DINESH,G. SARAVANA ILANGO,C. NAGAMANI

Journal Article

Rare-earth separation based on the differences of ionic magnetic moment via quasi-liquid strategy

Journal Article

Interval type-2 fuzzy logic based radar task priority assignment method for detecting hypersonic-glide

Fanqing MENG, Kangsheng TIAN,maoximengruizhi@126.com,tiankangsheng@sohu.com

Journal Article