The parabolic equation (PE) method, based on the split-step Fourier transform (SSFT) algorithm, has been used to model low-frequency (LF) electromagnetic (EM) wave propagation owing to its efficiency. However, the PE method is derived under the paraxial approximation so that its accuracy is guaranteed...

In this paper, the influence of TSV geometry parameters on transmission performance is analyzed and some TSV design references are given according to the simulation results. In addition, including coplanar waveguide (CPW) and microstrip line (MSL), two main signal line structures of RDL layer are studied...

The definition of department responsibility conflict evaluation is first given in the paper. Following the analysis of the evaluation process, which is generalized to assess extent of the responsibility conflict among different power departments, the department responsibility matrix is established and...

Based on the analysis of SAR imaging geometry and characteristics of satellite orbit parameters, This article mainly introduces RD location model, radar equation, backscattering model, principle of simulating SAR image and so on. The Range Doppler (RD) geo-location model is used to calculate the position...

In this paper, test on three-dimensional anti-collision and processing simulation is carried out .The test is based on modeling and virtual assembling of MSZ4224 machining center. Virtual manufacturing technology is used to finish the structure design and processing simulation of MSZ4224 machining center...

This paper constructs the cross-provinces panel data model to analyze the effects of financial development on industrial agglomeration from the financial scale, financial structure and financial efficiency respectively. The results show that the effects of financial development on industrial agglomeration...

This paper mainly introduces how to deal with the point cloud data of ceramic sculpture obtained from 3D scanning, getting the data that can be read and easy to print for three-dimensional printer. The paper combines the characteristics of production process of complex ceramic sculpture mold, using Geomagic...

The ore transportation system of strip mines is a representative discrete-event sys-tem, so the data concerning facilities and resource are collected and extracted to obtain their statistical probability by Expertfit; Based on Flexsim, Then 3D model is developed, incarnating the relationship among transport,...

Song and Chissom established fuzzy time series forecasting model in 1993. Stevenson and Porter improved the forecasting model of Jilani, Burney, and Ardil in 2009, and researched the forecasting problem of enrollments of the University of Alabama 1971–1992. Although they obtained the best prediction...

Song and Chissom first proposed the fuzzy time series forecasting model in 1993. In this paper, we improved the forecasting model proposed by Stevenson and Porter, and dug out the SIFBODR (The Set of Improved Fuzzy Time Series Forecasting Models Based on the Ordered Difference Rate). In the research...

The article describes a criteria-based approach to calculate the total risk obtained by the use of forecasts in prognostic models in order to solve tasks in production-and-economic systems; this chapter also outlines the difficulty of recording risks received by the use of prognostic functions and values...

Fuzzy time series forecasting models are created by Song and Chissom in 1993. In 2012, Saxena, Sharma& Easo put forward the forecasting model which more improve the forecasting accuracy. According to this, this paper improve the set SFmBDR of fuzzy time series forecasting model based on differential...

Song & Chissom introduced the concept of fuzzy time series in 1993[1], and many fuzzy time series methods have been proposed, however, the prediction accuracy is not high, among which, Jilani, Burney and Ardil (2007) proposed prediction model has achieved a high accuracy. This paper improves their predicted...

This article aims at improving the practice feasibility of game theory for the couches and athletes in a football penalty game. Firstly, some mission success rates are introduced to the penalty game to depict the technical uncertainty. Secondly, direction strategies are digitalized in order to be randomized...

Ultrasound is a new method in the measurement of a crystallization process. The cooling crystallization of Aspirin in ethanol is investigated vias experiments and population balance model. The particle size distribution of the crystallization is monitored online by ultrasonic attenuation spectroscopy....

For improving smooth transition of the elbow and keeping geometric modeling characteristics of the elbow, the equation of blending surfaces was established by the means of implicit geometric modeling. Adjustable function of controlling parameter increases freedom of blending surfaces modeling. Sudden...

The tensile experiments were carried out under the condition of different pulse current on pure tantalum. A synthetic plasticity constitutive form H-V model describing the flow stress as a function of strain under the influence of pulse current was developed to fit the measured data -flow stress and...

Uneven settlement will cause the buried pipeline deformed, even crack. A 3-D finite element model for buried pipeline was established by ADINA to investigate the deformation of pipe under uneven settlement. Furthermore, the effects of some key factors on mechanical response of buried pipeline were analyzed....

The Mw 7.9 earthquake occurred in Wenchuan, Sichuan, China, on 12 May 2008, and it caused huge casualties, economic loss, and serious damage to engineering structures and infrastructures in the area near the fault rupture. In particular, the Wudu township far away from the fault rupture (>100km), which...

In this article, finite element software ANSYS was used to simulate the temperature field of short-circuit fault on copper conducting wire. A third-dimensional thermoelectric coupling model was established after analyzing the principle of short-circuit fault. The problem of latent heat was solved by...

Due to unconventional reservoir have natural weak discontinuities such as natural fractures and bedding planes, the hydraulic fracture has complicated fracture network morphology. Therefore, the traditional fracturing design method and the numerical simulation method of fracture propagation were restricted...

This paper proposed a numerical model to simulate the hydraulic fracture propagation based on the extended finite element method(XFEM), in which a fracture representation is explicit and independent of the mesh grid. The fully coupled formulation described various physical phenomena, including the solid...

This paper presents a new active contour model with local intensities through level set method for ultrasound images segmentation. The method is not affected by the limitation of Gaussian distribution. The model is designed by local intensities, alignment term with a sharpening edge coefficient and regularization....

Stochastic comparison on order statistics has been paid lots of attention recently. This paper devotes to investigating the stochastic comparison properties of residual life and inactivity time at random time. Preserved properties of some stochastic comparisons on the residual life and inactivity time...

In the era of Big Data, the multidimensional datasets from electric power, medical treatment and other industries are often unbalanced, and the positive data usually costs more seriously when being classified. According to different datasets, the distribution tendency of datasets may reduce the accuracy...

Based on Multi-Group Multicast transmission mechanism, the transmission of a multicast group in the process of relaying data will affect other multicast group transmission. Hence, this paper proposes a relay selection scheme based on reducing interference among groups. This scheme applies the second...

Real-time and accurate short-term traffic flow prediction is a key issue and difficult in traffic control and guidance. Using data mining and large data-driven principle, nonparametric regression is a better method to resolve short-term traffic flow prediction. But there are two main obstacles that case...

In order to notice a critical path method network working in a project, it is of crucial importance to visualize the network first. However, a project manager often needs to draw this kind of graph manually. In this paper, we develop a semi-auto network formation simulated system that reads the activities'...

This paper presents an effective description of the universal design cubic cyclic fields and using an algorithm to compute the minimum polynomials generating elements. The calculations are carried out with the use of the properties of Gauss sums corresponding primitive Dirichlet character. Built fundamental...

In this paper, an attitude estimation algorithm based on modified two-stage Extended Kalman Filter (EKF) is presented to improve the accuracy of attitude estimation based on Micro Electro-Mechanical System (MEMS) motion capture technology. Firstly, a two-stage EKF is presented to replace the conventional...

The Wigner-Ville distribution (WVD) in the offset linear canonical transform (OLCT) domain (WOL) is a tool for signal processing and optics, which has the advantages of the OLCT and good properties of WVD. In this paper, a more simple definition of the WOL is introduced, without changing the instantaneous...

To enhance the starting ability was one of the most serious issues in air propulsion system. In the present work, an adaptive slot control method was proposed to expand the working range of hypersonic inlets to a lower Mach number with weak losses, which was beneficial for engineering applications. Simulation...

Being able to generate 3D meshes automatically is an important issue in the domain of finite element analysis. A novel algorithm of 3D finite element mesh generation is proposed. The algorithm combines the Octree and advancing front technology to create meshes which have significantly higher quality...

Smart growth is a technique to improve the quality of development for a city. To effectively measure the degree of smart growth, an evaluation model is proposed based on principle component analysis (PCA) in this report. We use support vector Regression (SVR) to predict the components of smart growth...

This paper proposed suppliers' performance clustering method with the re-analysis on contracts evaluation data. The study summarizes the basic definitions of the equipment manufacturing industry evaluation methods. Then the k-means clustering method based on the data re-analysis was defined. Finally...

In this study streamflow along the river course was reconstructed using Sentinel Satellite imagery. The Sentinel satellite is being operated by ESA(European Space Agency) and provide the imagery with 18 multispectral bands. The near infrared imagery with 10m resolution captured on Feb. 8, 2016 which...

We introduce the technically simple approach to determining the abrupt change of the unknown mathematical expectation and dispersion of the low-frequency fast-fluctuating Gaussian random process against white noise. For this purpose, we determine new approximations of the decision statistics for various...

Under the historical background of big data, the traditional data processing methods can no longer meet the requirement proposed by the intrusion detection of systems. With the current development of information technology, the data in systems become increasingly complex, and the workload of data mining...

In this paper, the auxiliary principle technique is extended to study a system of generalized nonlinear mixed quasi-variational-like inequalities in Hilbert spaces. First, we establish the existence of solutions of the corresponding system of auxiliary generalized nonlinear mixed qusi-variational-like...

In order to improve the reliability of the coal mine tunnel drilling rig in the absence relevant data at the primary design stage, the reliability fuzzy prediction model and the fuzzy comprehensive evaluation process was established based on the fuzzy theory in this paper. The reliability of hydraulic...

This work focuses on investigating the solutions for a generalized fractional diffusion equation. This equation presents space and time fractional derivatives, includes an absorbent term and a linear external force, takes a time-dependent diffusion coefficient into account, and subjects to the natural...

This article introduces the product competition intensity factor for three levels of two competitive supply chains and builds a supply chain competing model based on product and service competition. On this basis, it studies the decision making of centralized and partial alliance strategies. And the...

In order to improve the detection rate of invasion, reduce false detection rate and put forward a method based on density and maximum distance of k means clustering algorithm, the clustering results used in intrusion detection, improved the original algorithm in the choice of initial clustering center,...

The SSPS (stateful stream processing system) is a distributed complex event processing system implemented by the framework of stream processing system. However, due to the nature of uncertainty, randomness and burstiness of the data stream and the complexity of complex event processing, the SSPS faces...

In this paper, the band-notched characteristic inheritance in ultra-wide band (UWB) multiple input multiple output (MIMO) antenna array design is studied. First, the structure parameters and return loss of a monopole antenna are optimized to obtain desired UWB property. Then, the band-notched characteristic...

In order to analyze the regularity of vibration superposition after the vehicle passes through the intermediate straight line between reverse (same-sense) curves, a vertical dynamic model of vehicle-line system was established in the study. First, the most unfavorable horizontal alignment combination...

The paper presents a two-phase FEM-based topology optimization for piezoelectric energy harvesting devices. The goal of this research is to improve energy conversion efficiency of the piezoelectric cantilevered plates as an energy harvesting device based on the piezoelectric effect when applied to external...

According to the management network of public opinion on the aging degree and real-time requirement, the algorithm is implemented to extract the classification of network popular university public opinion information, and determine the complex college network public opinion tendency, then find the center...

Financial space is a monetary representation of all the other areas that can be identified and defined in society, particularly in the economy and can be considered a set of specific financial interconnections with defining characteristics that distinguish them. With the profound changes in the way interconnection...

Skalmierski's theory of stretched violin plates [6] is briefly described. In the course of developing a computer model for the theory, it was necessary to address the geometry of violin plates. Following Skalmierski's theory, various methods of inducing tensions into violin plates were considered. One...

In order to promote adolescents of Li's national identity and acculturation, we use the questionnaires which are the national identity questionnaire, the cultural alienation of ethnic students, family intimacy and adaptability questionnaire, social support questionnaire to investigate 1008 Li adolescents...

Sensor networks can be applied to the deployment of intelligent monitoring of ecological environment with the fewest sensor nodes. First, determine the factors under monitoring and the critical points of relevant factors. Next, build the optimized mathematical monitoring model in terms of the monitored...

Equipping with a vision system for robot is an important tendency for the development of intelligent robots. To explore the applications problems of visual robot in wood processing, we have designed vision-based wood stacking robot system, the system has combined visual system and industrial robots,...

Though deep autoencoder networks show excellent ability in learning feature, its poor performance on test data go against visualization and classification of image. In particular, a standard neural net with multi-hidden layers typically fails to work when sample size is small. In order to improve the...

In order to realize the efficient organization of the engineering geological information, the GIS management platform was proposed, which can realize the comprehensive management of RS interpretation results and GPS positioning. Based on a highway, the management pattern of multi-source, multi-date and...

This essay makes an analysis of shift principle and the location distribution of the gear of the AMT system without shift actuator. According to the self-study theory, we exploit an intelligent gear position self-study system and try to figure out the problems of finding the certain gear position because...

The temperature control and crack prevention of the high dam is with very much difficulties. One important reason is that the unsmooth information causes improper measures and management, that is "four don't" for obtaining the information- not timely, not accurate, not true, not systematic; furthermore,...

This paper studies the existence of periodic solutions of autonomous multi- parameter perturbation system by using Liapunov second method when the critical point of the plane autonomous system is the real center. We obtain a necessary condition and a sufficient condition which extend those in references....

Design flood estimation, the application of the Areal Reduction Factor (ARF) is essential to convert the point rainfall to areal rainfall for the reference area. ARF calculation methods are largely divided into fixed-area method and storm-centered method. Since ARF is calculated by independent frequency...

This paper figures out a system to identify whether a person has the tendency to be a terrorist. The system, which is used to inspect the terrorism tendency of the monitored people mainly from two aspects: objective and psychological conditions, is more objective and comprehensive than before to some...

Aimed at the limitation of the phase adjusting method now available for the tracking system, the paper puts forward the method of separate phase adjusting. Based on the full testing of signal conveying character, the phase value of any frequency and any channel configuration can be gained by the method...

Aiming at the problem of microwave cable power attenuation of automatic test system, this paper puts forward to a microwave power online measurement and compensation method and designs power measuring equipment. Before the test process, it is controlled by automatic test program, the measurement cable...

This study employed artificial neural network (ANN) to develop a regional forecasting model to predict atmospheric corrosion rates of carbon steels within general industrial zones and coastal industrial zones in Taiwan. Analyzed data are based on the results of metal atmospheric corrosion rates monitoring...

In the "Internet +" era, computer-assisted translation can not only improve the efficiency of translation, but also ensure the improvement of translation quality. This paper attempts to design a computer - aided translation system based on the Internet + era by combining the functions of dictionary support,...

In this paper, based on Scott's PIN scheme and Hu's private key distribution scheme, we proposed a new effective remote registration and log-in scheme for mobile networks and devices. In our article, we can guarantee the performance of the protocol for mobile networks and ensure the security of the private...

Analyzing and evaluating the examination database quality is very important for test management, and the results of its analysis are also essential to estimate the work of test and teaching. This research has built up an evaluation model through the method of Analytic Hierarchy Process (AHP), which included...

Soil moisture and crop evapotranspiration (ETc) forecast based on weather information is a basis for realizing precise irrigation, which could be an innovative technique for water–saving strategy in irrigated district. Combined with long–term experimental data in People's Victory Canal irrigated district,...

Social network theory is becoming more and more significant in social science, and the centrality measure is underlying this burgeoning theory. In perspective of social network, individuals, organizations, companies etc. are like nodes in the network, and centrality is used to measure these nodes' power,...

The hidden technology of Trojan horses was investigated. Through the analysis of the original Trojan hiding technology, it improved the local hiding ability of the Trojan horse and construe randomly selected octed the Trojan horse which embodied the collaborative hiding ability. I put forward a Trojan...