Search results for: Aimin Yan

Items from 1 to 20 out of 32 results

article

The influence of human resource management systems on employee job crafting: An integrated content and process approach

Bin Hu, Aaron McCune Stein, Yanhua Mao, Aimin Yan

Human Resource Management Journal > 32 > 1 > 117 - 132

Although job crafting has many beneficial outcomes for organisations, research on the antecedents of this behaviour is lacking. Through a two‐wave study including 87 managers and 342 employees of nine Chinese firms, an integrated content and process model of human resource management (HRM) systems is developed and used to demonstrate that HRM systems have a crucial influence on employee job crafting...

article

Optical image encryption using QR code and multilevel fingerprints in gyrator transform domains

Yang Wei, Aimin Yan, Jiabin Dong, Zhijuan Hu, more

Optics Communications > 2017 > 403 > C > 62-67

A new concept of GT encryption scheme is proposed in this paper. We present a novel optical image encryption method by using quick response (QR) code and multilevel fingerprint keys in gyrator transform (GT) domains. In this method, an original image is firstly transformed into a QR code, which is placed in the input plane of cascaded GTs. Subsequently, the QR code is encrypted into the cipher-text...

article

Servant leadership and employee voice behavior: a cross-level investigation in China

Aimin Yan, Yigui Xiao

SpringerPlus > 2016 > 5 > 1 > 1-11

This study tested the influence and mechanisms of servant leadership on voice behavior, including the mediating role of psychological safety, and the moderating role of supervisor-subordinate Guanxi. Data were collected from 430 civil servants and their immediate supervisors in Changsha, China. Cross-Level investigation revealed that servant leadership had a significant influence on voice behavior,...

chapter

Duality in Kinematic Approaches of Limit and Shakedown Analysis of Structures

Nguyen-Dang Hung, Aimin Yan, Vu Duc Khoi

Advances in Mechanics and Mathematics > Complementarity, Duality and Symmetry in Nonlinear Mechanics > 127-148

The paper describes the duality in limit and shakedown analysis of structures. Starting from Koiter’s kinematic theorem, the primal-dual optimization condition is established by adopting static terms as complementary variables. A highly effective algorithm is developed with the use of displacement-based finite elements. Newton-like iterations are performed to give both upper and lower bounds of the...

article

Chirped pulse distortion in stratified volume reflection gratings

Aimin Yan, Zhijuan Hu, Jingtao Zhang

Optik - International Journal for Light and Electron Optics > 2016 > 127 > 8 > 4053-4056

The problem of chirped pulse light Bragg diffraction by stratified volume reflection gratings is considered using characteristic matrix method. The spectral profiles of the transmitted and diffracted chirped pulses have been presented. Using these expressions the calculations of the diffracted spectra and diffraction efficiency have been made in the wide range of initial parameters of incident chirped...

article

Optimum beam steering of optical phased arrays using mixed weighting technique

Yadong Jin, Jun Wu, Aimin Yan, Zhijuan Hu, more

Optik - International Journal for Light and Electron Optics > 2014 > 125 > 16 > 4568-4571

In this paper, we present a novel technique for high precision optical beam steering of optical phased arrays (OPA) using mixed weighting method. Optimal OPA parameters are determined to obtain the best beam directivity by minimizing the main lobe width and eliminating grating lobes of the far field diffraction pattern. The quantitative analysis for a fibre-type optical phased array is given. The...

article

Femtosecond transient grating effect and stoichiometry of TeO2–Nb2O5–TiO2 glass

Zhenyu Zhao, Aimin Yan, Zhijuan Hu, Wangzhou Shi, more

Journal of Non-Crystalline Solids > 2013 > 382 > Complete > 70-73

We observed efficient transient optical grating effect from the TiO ₂ –Nb ₂ O ₅ –TeO ₂ glasses excited by femtosecond laser pulses. The glass samples were prepared via melt-quenching technique. The optical nonlinearities were calibrated by forward degenerate four wave mixing (DFWM) experiment with 50fs laser pulse at 800nm. The magnitude of the third order nonlinear...

article

Simulations of conjugate Dammann grating based 2D coherent solid-state laser array combination

Bing Li, Enwen Dai, Aimin Yan, Xiaoyu Lv, more

Optics Communications > 2013 > 290 > Complete > 126-131

Conjugate Dammann grating based coherent beam combing technique is an efficient way of combining phase-locked laser array into one high-power high beam-quality laser output. In this paper, this technique is applied to the combination of two-dimensional phase-locked array of solid state laser beams. Square apertures that could increase the areal fill factor of 21.5% are adopted. Numerical and experimental...

article

Design and simulation of a high resolution active imaging technique utilizing Fresnel telescopy

Xiaoyu Lv, Liren Liu, Aimin Yan, Bing Li, more

Optik - International Journal for Light and Electron Optics > 2012 > 123 > 9 > 796-799

A new technique for high resolution active laser imaging of space objects is demonstrated. The technique, referred as Fresnel telescopy, is a variant of Fourier telescopy, which additionally uses Fresnel zone plates to scan objects. The design scheme of a compact schematic of transmitting and receiving system for Fresnel telescopy is proposed. We provide simulations results for imaging of a photograph...

article

Diffraction properties of multi-layer volume holographic gratings under an ultrashort pulsed beam with arbitrary temporal profiles

Liping Guo, Aimin Yan, Shenggui Fu

Optik - International Journal for Light and Electron Optics > 2011 > 122 > 19 > 1692-1696

The diffraction properties of a system of multi-layer volume holographic gratings under an ultrashort pulsed beam with arbitrary temporal profiles are investigated using the multi-layer coupled wave theory. The dependence of the pulse profiles of the diffracted beams, diffraction bandwidth and the total diffraction efficiency of the multi-layer system on the temporal profiles of the input ultrashort...

article

Apparent linear attenuation coefficients in phase contrast X-ray tomography

Aimin Yan, Xizeng Wu

Nuclear Inst. and Methods in Physics Research, B > 2011 > 269 > 16 > 1841-1843

In the inline phase contrast X-ray tomography the reconstructed apparent linear attenuation coefficient values may be greatly larger than sample’s linear attenuation coefficients or even be negative. In this work we present a general formula to quantitatively relate the apparent linear attenuation coefficient values in cone-beam phase contrast tomography to sample’s linear attenuation coefficients...

article

Analysis of photorefractive volume holographic lenses with different recording and read-out wavelengths

Zhijuan Hu, Aimin Yan, Dean Liu, Liren Liu

Optik - International Journal for Light and Electron Optics > 2010 > 121 > 22 > 2067-2072

The photorefractive volume holographic lenses for converting a plane wave to a lateral-spread spherical wave with different recording and reconstructing wavelength has been studied. Using the coupled-wave theory, the half-analytical solutions for the amplitudes of the space harmonics of the field inside the transmission geometry are presented. The values of the off-Bragg parameter at the reconstructed...

article

Diffraction properties of ultrashort pulsed beams with arbitrary temporal profiles by a volume holographic grating

Liping Guo, Aimin Yan

Optik - International Journal for Light and Electron Optics > 2010 > 121 > 16 > 1492-1496

In this paper, the diffraction properties of an ultrashort optical pulse with arbitrary profiles in time diffracted by a volume holographic grating are investigated using the modified Kogelnik coupled-wave theory. Simple analytical expressions for the spectrum and spatial profiles of the transmitted and diffracted beams are obtained. The dependences of the diffraction bandwidth, the Bragg selectivity...

article

Formation dynamics of nonvolatile crossed-beam photorefractive gratings in doubly doped LiNbO3 crystals: Theoretical investigation

Xin Wang, Aimin Yan, De’an Liu, Xiangyin Li

Optik - International Journal for Light and Electron Optics > 2010 > 121 > 5 > 457-461

The formation dynamics of crossed-beam photorefractive gratings formed by the method of two-center holographic recording in doubly doped LiNbO ₃ crystals is investigated in this paper based on the theoretical model combining the two-center band transport model with the two-dimensional coupled-wave theory. The numerical simulations are presented for two-center holographic recording crossed-beam...

article

Effects of Protein Subunits Removal on the Computed Motions of Partial 30S Structures of the Ribosome

Aimin Yan, Yongmei Wang, Andrzej Kloczkowski, Robert L. Jernigan

Journal of Chemical Theory and Computation > 2008 > 4 > 10 > 1757 - 1767

chapter

An Empirical Study on Factors of the Evolution of Enterprise Culture Based on Coding Technique

Aimin Yan, Huawei Xing, Yuan Liu

2008 4th International Conference on Wireless Communications, Networking and Mobile Computing > 1 - 5

2008 4th International Conference on Wireless Communications, Networking and Mobile Computing (WiCOM)

The dynamic studies on enterprise culture focus on the formation of enterprise culture, the evolutionary process and influencing factors of the evolution of enterprise culture. In order to grasp the dynamic evolution process of enterprise culture, more attention should be paid to these factors. By carrying out an open-ended questionnaire survey and by adopting coding technique, the paper obtains four...

article

The reconstruction of groundwater parameters from head data in an unconfined aquifer

Ian Knowles, Aimin Yan

Journal of Computational and Applied Mathematics > 2007 > 208 > 1 > 72-81

The estimation of groundwater flow parameters from head measurements and other ancillary data is fundamental to the process of modelling a groundwater system. In an unconfined aquifer, the problem is more complex because the governing equation for the well heads, the Boussinesq equation, is non-linear. We consider here a new method that allows for the simultaneous computation of the unconfined groundwater...

article

Anisotropic Bragg diffraction of finite-sized volume holographic grating in photorefractive crystals

Aimin Yan, Lingyu Wan, De’an Liu, Liren Liu

Optik - International Journal for Light and Electron Optics > 2007 > 118 > 9 > 418-424

Anisotropic diffraction of uniform plane wave by finite-sized volume holographic grating in photorefractive crystals is considered. It is found that the anisotropic diffraction can take place when some special conditions are satisfied. The diffracted image is obtained in experiment for the anisotropic Bragg diffraction in Fe:LiNbO ₃ crystals. A coupled wave analysis is presented to study the...

article

Effect of recording conditions on the anisotropic diffraction of volume holographic gratings

Xin Wang, Aimin Yan, De’an Liu, Liren Liu, more

Optik - International Journal for Light and Electron Optics > 2007 > 118 > 8 > 373-376

The anisotropic Bragg diffraction of the volume holographic gratings in photorefractive crystals are investigated based on the model of anisotropic coupled-wave theory. The effect of the initial intensity ratio and the recording angles of the two recording waves on the anisotropic Bragg diffraction properties is discussed. It is shown that both the ratio of the initial intensity and the incident angles...

article

Inverse groundwater modelling in the Willunga Basin, South Australia

Ian Knowles, Michael Teubner, Aimin Yan, Paul Rasser, more

Hydrogeology Journal > 2007 > 15 > 6 > 1107-1118

A new inverse technique for modelling groundwater flow, based on a functional minimization technique, has been used to calibrate a groundwater flow model of a subregion of the Port Willunga aquifer within the Willunga Basin in South Australia. The Willunga Basin is the location of extensive viticulture, irrigated primarily by groundwater, the levels and quality of which have declined significantly...

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Keywords

COUPLED-WAVE THEORY (4)
ANISOTROPIC DIFFRACTION (3)
DIFFRACTION OPTICS (3)
VOLUME HOLOGRAPHIC GRATING (3)
DIFFRACTION EFFICIENCY (2)
PARAMETER ESTIMATION (2)
PERFORMANCE (2)
ACTIVE IMAGING TECHNIQUE (1)
ADOPTING CODING TECHNIQUE (1)
ANALYSIS (1)
ANISOTROPIC DISPERSION (1)
BARGAINING POWER (1)
BEAM STEERING (1)
BOUNDARY ACTIVITIES (1)
BRAGG DIFFRACTION (1)
CIVIL SERVANT (1)
COHERENT BEAM COMBINATION (1)
COMPUTED RADIOGRAPHY (1)
CONFINED AQUIFER (1)
CONSTRUCTION INDUSTRY (1)
CONTROL STRUCTURE (1)
CORPORATE MODELLING (1)
COUPLED WAVE THEORY (1)
CROSSED-BEAM PHOTOREFRACTIVE GRATINGS (1)
CULTURAL DIFFERENCES (1)
DAMAGE LOCALIZATION (1)
DAMMANN GRATING (1)
DIFFRACTION PROPERTIES (1)
DIFFRACTIVE OPTICS (1)
DUAL-DETECTOR (1)
DUALITY (1)
DYNAMIC EVOLUTION PROCESS (1)
ECONOMICS (1)
ENCODING (1)
ENTERPRISE CULTURE EVOLUTION (1)
EVOLUTION (BIOLOGY) (1)
EVOLUTIONARY COMPUTATION (1)
EVOLUTIONARY PROCESS (1)
FILL FACTOR (1)
FINITE-SIZED VOLUME HOLOGRAPHIC GRATING (1)
FOURIER TRANSFORM (1)
FRESNEL TELESCOPY (1)
FRESNEL ZONE PLATE (1)
FUZZY TOPOLOGICAL VECTOR SPACE (1)
FUZZY VECTOR (1)
FUZZY VECTOR SPACE (1)
GRATING LOBES (1)
GROUNDWATER (1)
GROUNDWATER FLOW (1)
HRM CONTENT AND PROCESS (1)
HUMAN RESOURCE MANAGEMENT SYSTEM FEATURES (1)
HUMAN RESOURCE MANAGEMENT SYSTEMS (1)
IN-LINE HOLOGRAPHY (1)
IN-LINE X-RAY PHASE IMAGING (1)
INDUSTRIES (1)
INFLUENCING FACTORS (1)
INTERNATIONAL JOINT VENTURE (1)
INTERNATIONAL JOINT VENTURES (1)
INTERPARTNER FIT (1)
INVERSE GROUNDWATER ESTIMATION (1)
INVERSE GROUNDWATER PROBLEM (1)
INVERSE MODELLING (1)
JOB CRAFTING (1)
LASER ARRAY (1)
LASER IMAGING LADAR (1)
LIMIT ANALYSIS (1)
LOCAL VOLUME GRATING (1)
MEASURED FLEXIBILITY AND STIFFNESS (1)
MULTILAYERS (1)
NONLINEAR OPTICS (1)
NONLINEAR OPTIMIZATION (1)
NUMERICAL MODELLING (1)
OPEN SYSTEMS (1)
OPEN-ENDED QUESTIONNAIRE SURVEY (1)
OPTICAL MATERIALS (1)
OPTICAL PHASED ARRAY (1)
OPTICAL PROPERTIES (1)
ORGANIZATIONS (1)
PHASE RETRIEVAL (1)
PHOTOREFRACTIVE MEDIA (1)
PHOTOREFRACTIVE PLANAR LENS (1)
PHOTOREFRACTIVE VOLUME HOLOGRAPHIC GRATING (1)
POLARIZING PROPERTIES (1)
PSYCHOLOGICAL SAFETY (1)
SENDOGRAPH TOPOLOGY (1)
SERVANT LEADERSHIP (1)
SHAKEDOWN ANALYSIS (1)
SOLID-STATE LASER (1)
STEEPEST DESCENT (1)
STOCHASTIC SUBSPACE IDENTIFICATION (1)
STRUCTURAL DAMAGE DIAGNOSIS (1)
SUPERVISOR-SUBORDINATE GUANXI (1)
SVHOES (1)
TRANSPORT PARAMETERS (1)
TWO-CENTER BAND TRANSPORT MODEL (1)
TWO-CENTER HOLOGRAPHIC RECORDING (1)
TWO-DIMENSIONAL COUPLED-WAVE THEORY (1)
ULTRASHORT LASER PULSE (1)
ULTRASHORT PULSED BEAM (1)
UNCONFINED AQUIFER (1)
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Elsevier (24)
Springer (5)
ACS (1)
ieee (1)
Wiley (1)

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Optik - International Journal for Light and Electron Optics (12)
Journal of Computational and Applied Mathematics (3)
Nuclear Inst. and Methods in Physics Research, B (3)
Optics Communications (2)
Asia Pacific Journal of Management (1)
Engineering Structures (1)
Fuzzy Sets and Systems (1)
Human Relations (1)
Human Resource Management Journal (1)
Hydrogeology Journal (1)
Journal of Chemical Theory and Computation (1)
Journal of International Management (1)
Journal of Non-Crystalline Solids (1)
SpringerPlus (1)
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INFONA - science communication portal

Search results for: Aimin Yan

The influence of human resource management systems on employee job crafting: An integrated content and process approach

Optical image encryption using QR code and multilevel fingerprints in gyrator transform domains

Servant leadership and employee voice behavior: a cross-level investigation in China

Duality in Kinematic Approaches of Limit and Shakedown Analysis of Structures

Chirped pulse distortion in stratified volume reflection gratings

Optimum beam steering of optical phased arrays using mixed weighting technique

Femtosecond transient grating effect and stoichiometry of TeO2–Nb2O5–TiO2 glass

Simulations of conjugate Dammann grating based 2D coherent solid-state laser array combination

Design and simulation of a high resolution active imaging technique utilizing Fresnel telescopy

Diffraction properties of multi-layer volume holographic gratings under an ultrashort pulsed beam with arbitrary temporal profiles

Apparent linear attenuation coefficients in phase contrast X-ray tomography

Analysis of photorefractive volume holographic lenses with different recording and read-out wavelengths

Diffraction properties of ultrashort pulsed beams with arbitrary temporal profiles by a volume holographic grating

Formation dynamics of nonvolatile crossed-beam photorefractive gratings in doubly doped LiNbO3 crystals: Theoretical investigation

Effects of Protein Subunits Removal on the Computed Motions of Partial 30S Structures of the Ribosome

An Empirical Study on Factors of the Evolution of Enterprise Culture Based on Coding Technique

The reconstruction of groundwater parameters from head data in an unconfined aquifer

Anisotropic Bragg diffraction of finite-sized volume holographic grating in photorefractive crystals

Effect of recording conditions on the anisotropic diffraction of volume holographic gratings

Inverse groundwater modelling in the Willunga Basin, South Australia

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