Dielectric loaded graphene plasmon waveguide (DLGPW) is proposed and investigated. An analytical model based on effective-index method presented verified by the finite element simulations. The mode effective index, propagation loss, cutoff wavelength of higher order modes single-mode operation region were derived at mid-infrared spectral region. By changing Fermi energy level, properties fundamental could be tuned flexibly. structure DLGPW simple easy for fabrication. It provided a new...

AbstractDue to weather- and illumination-independent characteristics, synthetic aperture radar (SAR) has become an important tool for target recognition. Using analysis of existing methods, a new feature SAR imagery valid recognition strategy are proposed. We first extract the gradient ratio pattern each pixel based on Weber's law local histogram (LGRPH) is then computed. Next, multiscale LGRPH constructed dimensionality reduction. Finally, similarity obtained by utilizing K–L discrepancy...

Graphene does not possess a band gap, and hot carrier relaxation in graphene is an ultrafast processs. This leads to very low emission efficiency of graphene. We demonstrate bright multicolored frequency-upconverted photoluminescence from via three-photon absorption by femtosecond laser injection at communication wavelength 1.57 μm. The broadband multiwavelength based on the model electron–hole pair recombination asymmetrical energized radiation Furthermore, we show variation with blue light...

This research investigates the role of emotional exhaustion and supervisor incivility in explaining relationship between work-related identity discrepancy counterproductive work behavior. Based on resource conservation theory, our study hypothesizes a moderated mediation model that impacts behavior through exhaustion, is deemed as boundary condition indirect effect. Drawing sample 863 employees, we found support for which positive was mediated by such mediating strengthened new leaders with...

Abstract In automotive industry, painted body storage (PBS) is generally employed as a buffering and re-sequencing site, which has the capabilities of levelling unmatched production capacity balancing different optimisation objects between paint shop trim shop. Takt time becomes shorter with growth production, product configurations become more diverse increase customising requirements. However, PBSs in many enterprises are still manual or semi-manual monitored controlled. Since operation...

This Letter proposes a dielectric waveguide with deep-subwavelength mode sizes. Results of both frequency domain and time analysis show that the effective area is below λ(0)(2)/400 can even reach λ(0)(2)/1000 (λ(0) wavelength in vacuum). The electrical be comparable to hybrid plasmonic subwavelength confinement waveguide, reduced optical absorption. In contrast slot waveguides, which guide light low-index materials, proposed structure guides high-index materials. obtained this losses are...

Abstract We numerically demonstrate that electro-optic switching in the mid-infrared range can be realized using a waveguide-ring resonator made of dielectric-loaded graphene plasmon waveguides (DLGPWs). The numerical results are good agreement with physical analysis. mechanism is based on dynamic modification resonant wavelengths ring resonator, achieved by varying Fermi energy sheet. reveal ratio ∼24 dB only 0.01 eV change energy. Such electrically controlled operation may find use...

This study examines the role of negative emotion in explaining association between work-related identity discrepancy and work withdrawal behavior.Drawing on cognitive evaluation theory emotion, we hypothesize a mediating model which is associated with behavior.In examining this model, further establish link behavior identify one pathway to explain relationship.Based sample 510 Chinese employees, find support for via emotion.Findings from current contribute our exploring black box behavior.

Previous research on antecedents to constructive deviance remains scattered and inclusive. Our study conceptualizes from the perspective of ethical decision making explores its antecedents, mechanism, conditions. Drawing moral licensing theory social information processing theory, we propose that group citizenship behavior facilitates justification when environmental dynamism is high inhibits them it low; fully mediates relationship between interaction deviance. With two-wave panel data...

This study explored the effect of situational factors on pedestrian intention to jaywalk. In particular, eight scenarios were designed manipulate three factors, namely, time pressure, descriptive norm, and official supervision. A total 124 subjects participated in study. Repeated-measures ANOVA analyses indicated that hypothetical high negative (unsafe) unsupervised significantly increase Additionally, norm was moderated by supervision, which implied only under an condition can serve...

Parameters of induction motors have crucial effects on power system simulation. This paper proposes a dynamic aggregation method motors. In this method, firstly, starting off the electromechanical models motors, taking coefficients equations and steady state slips as characteristic vectors, are grouped with fuzzy C-means clustering method. Then, equivalent motor obtained by averaging that individual in same group. Finally, parameters calculated based relationship transient impedance before...

We theoretically and numerically demonstrate that electrically tunable polarization beam splitting (PBS) can be realized by the structure of graphene ribbons supported on a dielectric film. The mechanism comes from fact TE mode (like S wave polarization) is highly reflected plasmonic resonances ribbons, TM P largely transmitted utilizing Brewster effect. results full-wave numerical simulations reveal transmission ratio about 20 dB reflection around 28 achieved with angle incident. proposed...

A novel optimal island partition model of the distribution system with distributed generation (DG) is proposed and a islanding method based on improved dynamic programming applied to this model. This paper changes problem into minimum spanning tree obtain connected graph. Since load priority, controllable/uncontrollable load, restrictions power balance, voltage equipment capability are all taken account, therefore, can meet demand practical engineering very well; Based inclusion-exclusion...

Aiming at the classification problem of Synthetic aperture radar (SAR) images, a classifier based on image intensity and structure is constructed. To overcome disadvantages conventional template matching algorithms, similarity between two images calculated by Hausdorff function, which can handle distortions pixel perturbations. The function then fed into Support vector machines to eventually accomplish task classification. Experiment results corresponding field simulated data show that this...

Abstract. The rapid collection of Unmanned Aerial Vehicle (UAV) remote sensing images plays an important role in the fast submitting disaster information and monitored serious damaged objects after earthquake. However, for hundreds UAV collected one flight sortie, traditional data processing methods are image stitching three-dimensional reconstruction, which take to several hours, affect speed response. If manual searching method is employed, we will spend much more time select find do not...

Abstract. This article introduces the electro-hydraulic position servo control system, establishes its mathematical model and simulates with Simulink, then add PID module, use empirical method to tune proportional, integral differential parameters, it is found that adjustment tedious, performance improvement limited. Then SDO tools for automatic optimization of obtained a better simulation results. tuning simple, easy use, good

The stochastic resonance in a bistable system subject to asymmetric dichotomous noise and multiplicative additive white is investigated. By using the properties of noise, under adiabatic approximation condition, expression signal-to-noise ratio (SNR) obtained. It found that SNR non-monotonic function asymmetry it varies non-monotonously with intensities as well parameters. Moreover, depends on correlation rate noise.