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Transmission performance analysisof IR- UWB system in multipath environment

Lin Di,Sha Xuejun ,Wu Xuanli ,Zhang Naitong

Strategic Study of CAE 2009, Volume 11, Issue 2,   Pages 75-81

Abstract: model for Bit Error Rate (BER) analysis of UWB systems with coherent demodulation in the presence of inter-- symbol interference, intra- symbol multipath interference , and multiple access interference is proposedinterference, inter- symbol interference and multiuser interference, system BER formulation is obtainedBy analyzing the average multipath interval and comparing BERs with and without intra- symbol interference, the results show that intra- symbol interference should not be neglected.

Keywords： Ultra- Wideband     intra- symbol multipath interference     inter- symbol interference     multi- userinterference    

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A novel energy-efficient ICI cancellation technique for bandwidth improvements through cyclic prefix reuse in an OFDM system Article

Sandeep SAROWA, Harmanjeet SINGH, Sunil AGRAWAL, B. S. SOHI

Frontiers of Information Technology & Electronic Engineering 2017, Volume 18, Issue 11,   Pages 1892-1899 doi: 10.1631/FITEE.1601333

Abstract: allocation, is severely affected by the undesirable effects of the frequency offset error, which generates intercarrier interference (ICI) due to the Doppler shift and local oscillator frequency synchronization errorsUnlike SC and MLE where the whole OFDM symbol data is transmitted in duplicate to create redundancy atthe transmitter end, the proposed technique uses the CP data (which is only 20% of the total symbol

Keywords： Orthogonal frequency division multiplexing (OFDM)     Fast Fourier transform (FFT)     Cyclic prefix (CP)     Intersymbol interference (ISI)     Inter carrier interference (ICI)     Maximum likelihood estimation (MLE)    

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Elastoplastic frictional contact problem study on interference fits of compressor

ZHANG Hongwu, WU Changhua, LIAO Aihua

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 313-319 doi: 10.1007/s11708-008-0026-1

Abstract: A locomotive-type turbocharger compressor with 24 blades under combined centrifugal and interference-fitdecrease the difficulty of the assembly process and ensure the safety of the working state, the amount of interference

Keywords： computation     thickness     interference-fit     interference     unspecified    

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Technology on settlement monitoring and evaluation in bridge pier in Beijing-Tianjin inter-city railway

Ding Yuanwen

Strategic Study of CAE 2009, Volume 11, Issue 1,   Pages 43-47

Abstract: model and determinant conditions of settlement are proposed simultaneously, taking Beijing-Tianjin inter-city

Keywords： Beijing-Tianjin inter-city railway     bridge     settlement monitoring     evaluation    

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Laser interference fabrication of large-area functional periodic structure surface

Lei WANG, Zi-Han WANG, Yan-Hao YU, Hong-Bo SUN

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 493-503 doi: 10.1007/s11465-018-0507-9

Abstract: The laser interference technique in particular has received attention because of its simplicity, lowHere, we reviewed the work on laser interference fabrication of large-area functional periodic structuresFor the common cases, four-beam interference and multi-exposure of two-beam interference were emphasizedThe relations between multi-beam interference and multi-exposure of two-beam interference were comparedPerspectives on future directions and applications for laser interference were presented.

Keywords： laser interference     four-beam interference     multi-exposure of two-beam interference     additive fabrication    

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Impact of inter-fuel substitution on energy intensity in Ghana

Boqiang LIN, Hermas ABUDU

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 27-41 doi: 10.1007/s11708-019-0656-5

Abstract: Energy intensity and elasticity, together with inter-fuel substitution are key issues in the currentAn inter-fuel substitution future scenario design was further conducted and the results were positive

Keywords： energy intensity     energy elasticity     inter-fuel substitution prospects     energy contribution     Translog production    

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Construction and identification of lentiviral RNA interference vector of rat leptin receptor gene

Zhengjuan LIU, Jie BIAN, Yuchuan WANG, Yongli ZHAO, Dong YAN, Xiaoxia WANG

Frontiers of Medicine 2009, Volume 3, Issue 1,   Pages 57-60 doi: 10.1007/s11684-009-0003-z

Abstract: The aim of the present study was to construct the lentiviral RNA interference (RNAi) vector of rat OBRb

Keywords： receptors     leptin     RNA interference     lentivirus vector    

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with multi-walled carbon nanotubes: preparation, characterization, and application for electromagnetic interference

Jian LI,Caichao WAN

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 341-346 doi: 10.15302/J-FASE-2015082

Abstract: In addition, the aerogels show a high electromagnetic interference (EMI) value of 19.4 dB.

Keywords： cellulose aerogels     carbon nanotubes     electromagnetic interference shielding     composites    

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Electromagnetic interference modeling and suppression techniques in variable-frequency drive systems

Le YANG, Shuo WANG, Jianghua FENG

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 329-353 doi: 10.1007/s11465-018-0466-1

Abstract:

Electromagnetic interference (EMI) causes electromechanical damage to the motors and degrades the

Keywords： variable-frequency drive (VFD)     electromagnetic interference (EMI)     motor drive modeling     EMI noise suppression    

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Experimental study of aerodynamic interference effects on aerostatic coefficients of twin deck bridges

Zhiwen LIU , Zhengqing CHEN , Gao LIU , Xinpeng SHAO ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 292-298 doi: 10.1007/s11709-009-0048-8

Abstract: The aerodynamic interference effects on aerostatic coefficients of twin deck bridges with large spanand torque coefficients of windward and leeward decks are also affected slightly by the aerodynamic interferenceAnd the aerodynamic interference effects on lift and torque coefficients of twin decks can be neglected

Keywords： twin decks     aerodynamic interference effects     aerostatic coefficients     wind tunnel test    

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Calculation method of radial stress and deformation on conic threaded connections with interference fit

Shoujun CHEN, Qiang LI, Qi AN,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3,   Pages 302-307 doi: 10.1007/s11465-010-0018-9

Abstract: calculation method for radial stress distribution and deformation on conic threaded connections with interferenceoffers a new way of calculating the radial stress and deformation on conic thread connections with interference

Keywords： conic threaded connections     interference fit     radial stress     deformation     finite element analysis (FEA)    

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Experimental investigation and comparative study of inter-turn short-circuits and unbalanced voltage

Fatima BABAA, Abdelmalek KHEZZAR, Mohamed el kamel OUMAAMAR

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 271-278 doi: 10.1007/s11708-013-0258-6

Abstract: difficult to distinguish between the current harmonics due to the supply voltage and those originated by inter-turnand the reliability of the diagnostic system, it is crucial to provide the relationship between the inter-turn

Keywords： induction machines     fault indicator     inter-turn short-circuit fault     unbalance supply voltage    

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Financing Model Decision of Inter-basin Water Transfer Projects

Ji-wei Zhu,Li-nan Zhou,Zhao Zhai,Cong Wang

Frontiers of Engineering Management 2016, Volume 3, Issue 4,   Pages 396-403 doi: 10.15302/J-FEM-2016060

Abstract: Inter-basin Water Transfer Projects require the appropriate financing model to attract large amountsFirst, the complex financing mode decision problems of Inter-basin Water Transfer Projects are decomposedevaluation results are also reliable and provide theoretical references for the financing model decision of Inter-basin

Keywords： Inter-basin Water Transfer Projects     financing model     Weighted Grey Target Model     water diversion     Han River    

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Impacts of inter-sectoral trade on carbon emissions—a case of China in 2007

Xiuqi FANG, Benyong WEI, Yuan WANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 3,   Pages 387-402 doi: 10.1007/s11783-012-0396-9

Abstract: With the increase in international trade, more attention has been given to quantifying the impacts of international trade on energy use and carbon emissions. Input-output analysis is a suitable tool for assessing resources or pollutants embodied in trade and it has become a critical tool for performing such analysis. This study estimated the national and sectoral carbon emissions embodied in Chinese international trade using the latest available China input-output table of 2007. The results showed that a significant exporting behavior of embodied carbon emissions existed in China’s trade. Over 1/3 of the emissions in Chinese domestic production processes were generated for exports in 2007. The net balance of emissions embodied in exports and imports accounted for nearly 30% of China’s domestic emissions, which means that any policy made to increase the exports would result in a significant growth of China’s domestic emissions. Since over half of China’s export trade is processing trade, the re-exported emissions could not be overlooked; otherwise, it would hard to capture the actual emissions generated abroad to obtain China’s domestic consumption. The enlargement of export scale is a primary driven factor to the rapid growth of China’s exported emissions. It is necessary for China to adjust its economic and industrial structure to reduce the dependence of economic growth on the export trade. However, when adjusting industry structures or making policies on carbon emission reduction, it will be more reasonable to consider the relationship between production and consumption, rather than just focus on the emission values of sectors’ direct production, as a large part of carbon emissions emitted by the principal direct polluters were generated to obtain the products which were required by other sectors.

Keywords： international trade     carbon emissions     input-output analysis     China    

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Design of packing cup interference fit value of hypercompressors for low density polyethylene production

Da LEI,Xuehong LI,Yun LI,Xiwen REN

Frontiers in Energy 2019, Volume 13, Issue 1,   Pages 107-113 doi: 10.1007/s11708-017-0450-1

Abstract: A packing cup is the basic unit of cylinder packing, assembled by the interference fit between an innerThe traditional method of designing the interference fit value for packing cups depends on the shrink-fitThe traditional method neglects the influence of axial preloading on the interference mating pressureA higher interference fit value accepted by the traditional method may not be feasible as it might alreadyAlong with fatigue analysis, the feasible range of interference fit value has been modified by utilizing

Keywords： interference fit value     packing cup     hypercompressor     finite element method (FEM)    

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Title Author Date Type Operation

Transmission performance analysisof IR- UWB system in multipath environment

Lin Di,Sha Xuejun ,Wu Xuanli ,Zhang Naitong

Journal Article

A novel energy-efficient ICI cancellation technique for bandwidth improvements through cyclic prefix reuse in an OFDM system

Sandeep SAROWA, Harmanjeet SINGH, Sunil AGRAWAL, B. S. SOHI

Journal Article

Elastoplastic frictional contact problem study on interference fits of compressor

ZHANG Hongwu, WU Changhua, LIAO Aihua

Journal Article

Technology on settlement monitoring and evaluation in bridge pier in Beijing-Tianjin inter-city railway

Ding Yuanwen

Journal Article

Laser interference fabrication of large-area functional periodic structure surface

Lei WANG, Zi-Han WANG, Yan-Hao YU, Hong-Bo SUN

Journal Article

Impact of inter-fuel substitution on energy intensity in Ghana

Boqiang LIN, Hermas ABUDU

Journal Article

Construction and identification of lentiviral RNA interference vector of rat leptin receptor gene

Zhengjuan LIU, Jie BIAN, Yuchuan WANG, Yongli ZHAO, Dong YAN, Xiaoxia WANG

Journal Article

with multi-walled carbon nanotubes: preparation, characterization, and application for electromagnetic interference

Jian LI,Caichao WAN

Journal Article

Electromagnetic interference modeling and suppression techniques in variable-frequency drive systems

Le YANG, Shuo WANG, Jianghua FENG

Journal Article

Experimental study of aerodynamic interference effects on aerostatic coefficients of twin deck bridges

Zhiwen LIU , Zhengqing CHEN , Gao LIU , Xinpeng SHAO ,

Journal Article

Calculation method of radial stress and deformation on conic threaded connections with interference fit

Shoujun CHEN, Qiang LI, Qi AN,

Journal Article

Experimental investigation and comparative study of inter-turn short-circuits and unbalanced voltage

Fatima BABAA, Abdelmalek KHEZZAR, Mohamed el kamel OUMAAMAR

Journal Article

Financing Model Decision of Inter-basin Water Transfer Projects

Ji-wei Zhu,Li-nan Zhou,Zhao Zhai,Cong Wang

Journal Article

Impacts of inter-sectoral trade on carbon emissions—a case of China in 2007

Xiuqi FANG, Benyong WEI, Yuan WANG

Journal Article

Design of packing cup interference fit value of hypercompressors for low density polyethylene production

Da LEI,Xuehong LI,Yun LI,Xiwen REN

Journal Article