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Measurement and analysis of tip clearance unsteady flow spectrum in axial-flow fan rotor

LIU Bo, HOU Weimin, MA Changyou, WANG Yangang, ZHOU Qiang

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 448-452 doi: 10.1007/s11708-008-0088-0

Abstract: development from the inlet to the outlet of an axial-flow rotor was revealed by analyzing pressure frequency spectrum

Keywords: development     endwall     unsteady pressure     pressure measurement     experiment    

Mirror system based therapy for autism spectrum disorders

CHEN Wei, ZHANG Jing, DING Jun

Frontiers of Medicine 2008, Volume 2, Issue 4,   Pages 344-347 doi: 10.1007/s11684-008-0065-3

Abstract: autisms’ cognitive research and mirror systems and introduces a new hypothesis about the causes of autism spectrum

Keywords: emotional cognition     observation     activation     spectrum     empirical research    

Solar fuel from photo-thermal catalytic reactions with spectrum-selectivity: a review

Sanli TANG, Jie SUN, Hui HONG, Qibin LIU

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 437-451 doi: 10.1007/s11708-017-0509-z

Abstract: This paper reviews different approaches for solar fuel production from spectrum-selective photo-thermalThe review begins with the meaning of synergetic effects, and the mechanisms of spectrum-selectivityIn addition, these works are summarized and tabulated based on the operating conditions, spectrum-selectivitydiscussion is finally presented concerning future development of photo-thermal catalytic reactions with spectrum-selectivity

Keywords: photo-thermal catalysis     spectrum-selectivity     solar fuel     full-spectrum    

Seismic analysis of a super high-rise steel structure with horizontal strengthened storeys

Yuanqing WANG, Hui ZHOU, Yongjiu SHI, Yi HUANG, Gang SHI, Siqing WEN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 394-404 doi: 10.1007/s11709-011-0116-8

Abstract: ., mode-superposition response spectrum analysis and time-history analysis, were employed to calculateThe response spectrum analysis indicated that transition parts near the three strengthened storeys wereIn the response spectrum analysis approach, the Square Root of Sum of Square (SRSS) method was recommendedWith the aid of time-history analysis, the seismic responses of the structure were obtained.The whiplash effect that spectrum analysis cannot reveal was observed through time-history analysis.

Keywords: seismic analysis     steel structure     super high-rise     horizontal strengthened storey     response spectrum analysis     time-history analysis    

Detection of geosmin and 2-methylisoborneol by liquid-liquid extraction-gas chromatograph mass spectrum(LLE-GCMS) and solid phase extraction-gas chromatograph mass spectrum (SPE-GCMS)

MA Xiaoyan, CHEN Beibei, LI Qingsong, ZHANG Qiaoli, GU Guofen

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 3,   Pages 286-291 doi: 10.1007/s11783-007-0048-7

Abstract: preparation methods were introduced and compared in this paper to establish a simple, quick and exact analysisadopted in liquid-liquid extraction (LLE), and the extracts were analyzed by gas chromatograph mass spectrum

Keywords: summer     flocculation     simple     Shanghai     spectrum    

Contact fatigue life prediction of a bevel gear under spectrum loading

Pan JIA, Huaiju LIU, Caichao ZHU, Wei WU, Guocheng LU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 123-132 doi: 10.1007/s11465-019-0556-8

Abstract: typical torque–time history on the driven axle is described, followed by the construction of program load spectrum

Keywords: bevel gear     rolling contact fatigue (RCF)     multiaxial fatigue criterion     load spectrum     damage accumulation    

A new anti-jamming communication technical system:pre-encoded code hopping spread spectrum

Yao Fuqiang,Zhang Yi

Strategic Study of CAE 2011, Volume 13, Issue 10,   Pages 69-75

Abstract:

A kind of pre-encoded code hopping spread spectrum (PCHSS) communicationresearched after analyzing its necessity based on the deficiency of conventional direct-sequence spread spectrumdiscussions include the basic principle of PCHSS, the differences between PCHSS and self-coded spread spectrum

Keywords: anti-jamming communication     direct-sequence spread spectrum     pre-encoded code hopping spread spectrum     self-coded spread spectrum    

Characterisation of a microwave induced plasma torch for glass surface modification

Adam BENNETT, Nan YU, Fengzhou FANG, Marco CASTELLI, Guoda CHEN, Alessio BALLERI, Takuya URAYAMA

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 122-132 doi: 10.1007/s11465-020-0603-5

Abstract: Microwave induced plasma torches find wide applications in material and chemical analysis.Microwave spectrum analysis is used to create a polar plot of the microwave energy being emitted fromOptical emission spectroscopy analysis is also employed to create spatial maps of the photonic intensity

Keywords: microwave induced plasma     spectrum analysis     surface modification    

A novel light fluctuation spectrum method for in-line particle sizing

Shouxuan QIN, Xiaoshu CAI, Li MA

Frontiers in Energy 2012, Volume 6, Issue 1,   Pages 89-97 doi: 10.1007/s11708-012-0176-z

Abstract: Secondly, by combining spectrum analysis with Gregory’s theory, a multi-sub-size zone model is proposed

Keywords: in-line measurement     particle size distribution (PSD)     incident light intensity     particle concentration     light fluctuation    

Relative vibration identification of cutter and workpiece based on improved bidimensional empirical mode decomposition

Jiasheng LI, Xingzhan LI, Wei WEI, Pinkuan LIU

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 227-239 doi: 10.1007/s11465-020-0587-1

Abstract: In addition, the spatial spectrum analysis of the extracted profile is carried out.effect on the shape of the contour can be accurately identified through contour extraction and spatial spectrumanalysis.

Keywords: bidimensional empirical mode decomposition     spatial spectrum analysis     boundary effect     vibration identification    

The Constructions of Cryptographic Functions

Teng Jihong,Zhang Wenying,Liu Wenfen,Li Shiqu

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 47-52

Abstract:

This paper investigates a decomposition formula of Walsh spectrum for a class of Boolean functions

Keywords: Walsh spectrum     decomposition formula of Walsh spectrum     Bent function     resilient function     strict avalanche    

Short-term prediction of influent flow rate and ammonia concentration in municipal wastewater treatment plants

Shuai MA, Siyu ZENG, Xin DONG, Jining CHEN, Gustaf OLSSON

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 1,   Pages 128-136 doi: 10.1007/s11783-013-0598-9

Abstract: A systematic data analysis method is presented in this paper in order to estimate and predict the periodicityfiltering using wavelet decomposition and reconstruction; 2) typical cycle identification using power spectrumdensity analysis; 3) fitting and prediction model establishment based on an autoregressive model.

Keywords: influent load prediction     wavelet de-noising     power spectrum density     autoregressive model     time-frequencyanalysis     wastewater treatment    

High efficiency spreading spectrum modulation based on double orthogonal complex sequences

Shi Xiaohong

Strategic Study of CAE 2012, Volume 14, Issue 3,   Pages 108-112

Abstract:

This paper presents a kind of high efficiency spreading spectrum modulation

Keywords: modulation and demodulation     high efficiency spreading spectrum modulation     forward phase correction    

Nonlinear Characteristics of Cutting Forces in High-speed Face-milling of Difficult-to-cut Materials by AR SpectrumAnalysis and Wavelet Analysis

Long Zhenhai,Wang Xibin,Wang Haochen

Strategic Study of CAE 2004, Volume 6, Issue 10,   Pages 28-31

Abstract: Based on the analysis of cutting regimes, influences on milling force, the spectrum analysis and waveletanalysis are applied on the random cutting force signals.

Keywords: difficult-to-cut materials     high speed machining     factorials design     Meyer wavelet transform     Mallat algorithm    

Wave Spectrum Transformation and Wave Breaking on Gentle Slope

Li Yucheng,Cui Lifang,Yu Yang,Dong Guohai,Gao Jiajun,Zhuang Shixian

Strategic Study of CAE 2000, Volume 2, Issue 5,   Pages 51-59

Abstract:

Based on theoretical analysis, computation and physical model tests, the breaking criteria for irregularwaves, wave spectrum transformation, wave breaking phenomena and the method of analysis and computation

Keywords: wave spectrum     beach slope     transformation     breaking    

Title Author Date Type Operation

Measurement and analysis of tip clearance unsteady flow spectrum in axial-flow fan rotor

LIU Bo, HOU Weimin, MA Changyou, WANG Yangang, ZHOU Qiang

Journal Article

Mirror system based therapy for autism spectrum disorders

CHEN Wei, ZHANG Jing, DING Jun

Journal Article

Solar fuel from photo-thermal catalytic reactions with spectrum-selectivity: a review

Sanli TANG, Jie SUN, Hui HONG, Qibin LIU

Journal Article

Seismic analysis of a super high-rise steel structure with horizontal strengthened storeys

Yuanqing WANG, Hui ZHOU, Yongjiu SHI, Yi HUANG, Gang SHI, Siqing WEN

Journal Article

Detection of geosmin and 2-methylisoborneol by liquid-liquid extraction-gas chromatograph mass spectrum(LLE-GCMS) and solid phase extraction-gas chromatograph mass spectrum (SPE-GCMS)

MA Xiaoyan, CHEN Beibei, LI Qingsong, ZHANG Qiaoli, GU Guofen

Journal Article

Contact fatigue life prediction of a bevel gear under spectrum loading

Pan JIA, Huaiju LIU, Caichao ZHU, Wei WU, Guocheng LU

Journal Article

A new anti-jamming communication technical system:pre-encoded code hopping spread spectrum

Yao Fuqiang,Zhang Yi

Journal Article

Characterisation of a microwave induced plasma torch for glass surface modification

Adam BENNETT, Nan YU, Fengzhou FANG, Marco CASTELLI, Guoda CHEN, Alessio BALLERI, Takuya URAYAMA

Journal Article

A novel light fluctuation spectrum method for in-line particle sizing

Shouxuan QIN, Xiaoshu CAI, Li MA

Journal Article

Relative vibration identification of cutter and workpiece based on improved bidimensional empirical mode decomposition

Jiasheng LI, Xingzhan LI, Wei WEI, Pinkuan LIU

Journal Article

The Constructions of Cryptographic Functions

Teng Jihong,Zhang Wenying,Liu Wenfen,Li Shiqu

Journal Article

Short-term prediction of influent flow rate and ammonia concentration in municipal wastewater treatment plants

Shuai MA, Siyu ZENG, Xin DONG, Jining CHEN, Gustaf OLSSON

Journal Article

High efficiency spreading spectrum modulation based on double orthogonal complex sequences

Shi Xiaohong

Journal Article

Nonlinear Characteristics of Cutting Forces in High-speed Face-milling of Difficult-to-cut Materials by AR SpectrumAnalysis and Wavelet Analysis

Long Zhenhai,Wang Xibin,Wang Haochen

Journal Article

Wave Spectrum Transformation and Wave Breaking on Gentle Slope

Li Yucheng,Cui Lifang,Yu Yang,Dong Guohai,Gao Jiajun,Zhuang Shixian

Journal Article