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Based on the background of a double line shield tunnel in Shenyang metro, the construction process of double line shield is simulated by using the finite element analysis software of GTS Midas. The change course of ground surface settlement during construction and the influence of the physical and mechanical...

For the cross sectional profile of axisymmetric body with curve, the numerical solution of elastodynamic equation is difficult in cylindrical coordinates. In order to realize the dynamic simulation of axisymmetric body with curve cross section, based on the Lax-Wendroff differential theory, a numerical...

Some problems including complex calculation methods and parameter calibration difficulties exist in the current corrected calculation of the sediment discharge. A new method based on the copula function was proposed in this paper to solve them. The results show that the proposed method can improve the...

Based on information sharing idea, BIM (Building Information Modeling) technology had been widely used in construction industry. Employment Guarantee for Migrant Workers is hot topic in Chinese construction industry. There were few articles focus on using BIM to solve the Employment Guarantee problem....

In order to improve the efficiency of freight vehicle and cargo matching, a mathematical model was established, which describes target and the related constraints, and quantum evolutionary algorithm was proposed to solve this matching problem. In the experiment, improved quantum evolutionary algorithm...

With the rapid development of ultra-high voltage grid and interconnections of regional power network, it brings adverse influence on frequency control of the power system. The stability of power grid frequency mainly depends on primary frequency compensation (PFC) and automatic power generation control...

An Open-Source solution based on Pentaho is described in this paper for constructing railway passenger transport marketing assistant decision system as alternative of commercial software, solving the problem of being lack of user custom properties, which will save project costs, and has good expansibility.Furthermore,...

General education is an important part of higher education in China. General education affects the free comprehensive development of college students. This paper expounds the necessity of the purpose of general education and its implementation. This paper puts forward a teaching method based on the lecture...

Based on classic theories of soil compression and metallic jet penetration, this paper built a dynamic model of metallic jet penetration into soil, and verified its rationality through tests. The paper applied this model to the theoretical analysis of the process of metallic jet penetration into soil,...

Improving recommender performance is beneficial. However, sparsity and scalability of data is a problem faced by recent recommender systems. Customer interests and available products are changing constantly. Social interactions among users are highly influential on the effectiveness of the recommendation....

This paper addresses a modified method of extracting acoustic pulse based on the multi-band spectral subtraction and the frequency band variance. In this method, the acoustic pulse is detected, the noise spectrum is estimated and subtracted from the acoustic pulse spectrum. By abandoning the late reverberation...

A novel structure of networked control systems which incorporates output feedback predictive control and event-triggered communication scheme in a unified model based on the networked control system with packet loss is proposed in this paper. The load of communication channel is relieved by event-triggered...

The comparison of the induction motor rotor common fault simulation, the fault characteristics are obtained this kind of failure of the motor through theoretical derivation and simulation model is established in the fault condition of the motor based on the multi loop theory, the running state of a motor...

Aiming at the shortage of the actual experimental equipment, virtual reality technology was adopted for setting up an experiment system. The framework is the strange IoC and the engine is Unity3D for the system. A step operation of the experiment is divided into five parts, interaction behavior, interaction...

Dam parameter inversion tool based on ANSYS software and improved Genetic Algorithm is researched. Firstly, traditional GA is improved by introducing power function to rebuilt fitness function; Secondly, quick dam parameter inversion tool based on improved GA is programmed on ANSYS software; Finally,...

In order to reduce the computational cost in the current MIMO-ISAR back projection imaging algorithm, a fast algorithm based on FFT is proposed for MIMO-ISAR back projection. First, we establish the reflected wave signal model for MIMO-ISAR imaging. The approximate representation of linear change of...

With the development of smart grid, electric power system data surges in a short period of time, and the traditional data storage and processing platform can't meet the requirements. In this paper, big data-related technology will be applied to the electric power data management, using Hadoop as a basic...

Car sharing service provides people with a new environmentally friendly way to travel. In car sharing system, one of the major challenges is how to determine the location of the car sharing sites. However, the existing method does not take into account people's demand in reality to select the car sharing...

As the power big data is developing with a wide range of varieties, it is used to manage and analyze data, especially the unstructured data such as power documents. In this paper, HBase database and HDFS are applied to make the document searching easier and faster. Keywords extraction based on Hadoop...

The motion sensing interactive devices can greatly enhance the sense of immersion. In this paper, the flow of the interaction with the HTC Vive is sums up five step. Analyzes the positioning principle of the HTC Lighthouse and introduce the function of the HTC thumbstick. Then defines the quaternion,...

This paper discusses the problem of road network navigation under polygonal obstacle constraints from an implementation perspective. It implements the problem provided by the 4th ACM SIGSPATIAL GIS Cup 2015 challenge. In the context, it briefly examines some fundamental graph search algorithms and then...

Peer assessment has got a lot of attention because it serves as a useful tool for scaling the grading of open-ended works. But it does not always produce accurate results because of two important reasons: students' ability and students' attitude. Based on students' peer grades and the evaluation attitude...

A novel hybrid fitting energy based active contours model in the level set framework is proposed. The method fuses the local image fitting term and the global image fitting term to drive the contour evolution. Our model can efficiently segment the images with intensity inhomogeneity no matter where the...

In this paper, a dark background image-denosing method based on KPCA is discussed. First of all, the analysis of KPCA features is used to extract features from the training samples, and then discards the features which had small variance to form the feature space. Second, for reducing the noise, the...

Adaptive transmission system selects the suitable transmission rate on the basis of the current channel state. In this paper, we exploit the signal to noise ration (SNR) as a benchmark of standard to measure the channel state. We employ data fitting (DF) to estimate SNR, which is a key technology of...

The interception of the hypersonic weapons in near space is the main problem considered in this paper. The designed interceptor is assumed to have much lower speed than its target and very limited maneuverability in the near space atmosphere. To deal with this problem, a two-loop Partial Integrated Guidance...

In the modern society, static defect detection technology become an effective way to build reliable software. But the phenomena of misinformation and failing to report in the result of static defect detection makes testers needed to confirm the false alarms one by one manually. It is necessary to improve...

The main research content is a quantitative description of the structural uncertainty problem (Quantification Uncertainty) based on the finite element theory. For the first time, reduction integration method is used to decompose multi-dimensional random response function, the multi-dimensional function...

The arrival of the information age has gradually expanded the practical application of computer networks, provided more convenience for people's lives, and promoted the rapid development of Chinese information industry. In this situation, the process of using computer network has gradually produced network...

Through the statistic analysis of the accident data of Heilongjiang freeway from 2010 to 2014, it is concluded the regularities of distribution of the accidents on the Heilongjiang freeway, as well as the factors influencing the security of Heilongjiang freeway system. Then, the evaluation index of Heilongjiang...

Communication networks effectiveness evaluation directly determined whether the communication networks system is successful. This paper investigated the communication networks effectiveness evaluation based on Analytic hierarchy process and fuzzy clustering method. Indicators of communication networks...

Based on low frequency load-shedding practice experiments of Xinyang power supply company, work principles as 'three reports, one examination and a table modification' is proposed to improve the management of power grid in substitute district. The methods introduced in the paper is proved to be effective...

In the intelligent optical networks, there are two key problems in the long-distance and high-speed intensive service transmission. First one, the sharing scheduling problem of the optical networks resources, namely the privacy problem. Second problem, users of network services require high-quality,...

The rapid development of science and technology provides reliable protection for the expansion of electronic engineering applications, and gradually improves the production efficiency of related industries. With the influence of this situation, in order to meet the people's demand for electronic engineering,...

Traditionally, Chinese traditional culture elements always exert an effect on development of modern Chinese game thanks to its rich visual models and profound intrinsic implication. Sanxingdui culture, with its inheritance, individuality and mystique, has unique culture connotation. The paper used Sanxingdui...

In this paper, a new variable-coefficient AKNS (vcAKNS) hierarchy is derived from the associated with linear spectral problem and its time evolution equation. The derived vcAKNS hierarchy is a solvable mixed hierarchy which contains isospectral nonlinear partial differential equations (PDEs) and nonisospectral...

With the rapid development of information technology, great changes have taken place in people's reading habits, and paper books are being replaced by eBooks. Digital annotation tool allows readers to highlight or insert notes into eBooks during the process of reading, which is an important way for readers...

An auxiliary model based stochastic gradient estimation algorithm in proposed in this paper. The unknown variables in the information vector can be estimated by using the auxiliary model. Then the unknown parameters can be estimated by the stochastic gradient algorithm. Furthermore, in order to increase...

In this paper, we propose a dynamic gesture recognition approach based on multi-touch devices. This method contains three stages: dynamic gesture stroke collection, gesture feature extraction, gesture analysis and recognition. In order to recognize nine kinds of gestures in classroom interaction process,...

This project is a residential area, the project is composed of two towers and commercial podium, is a collection of commercial, office in a body's comprehensive construction, where two towers total height 46.8m. The project according to a class of building lightning protection grounding design, roof...

A network traffic detection model based on swarm intelligent optimization neural network algorithm is proposed in this paper. QAPSO algorithm is used to optimize the basis function center and base function width of RBF neural network,and the connection weights of the output layer and the hidden layer...

Web services have been widely used in complex software systems. To guarantee software quality, many researchers have been devoted to the testing of web services. Traditional web service testing approaches mainly focus on the automation of testing process, test case generation etc. However, the web service...

No-reference image quality assessment is the future research direction in the field of image evaluation. A new no-reference image quality assessment based on the generalized evidence theory was proposed in this paper in order to deal with the measuring problem of the large scale samples under the optical...

The similarity between different subcategories and scarce training data due to the difficulties of Fine-grained recognition. Even in the same subcategories, there can be some differences due to the distinct color and pose of objects. We propose some models for fine-grained plant recognition by taking...

The proportion of the solid part portion in a GGO nodule is one of features to detect lung cancer. It is difficult to segment the solid part in a GGO nodule completely because tissues surrounding GGO nodules include some impurities like noises in image processing technology. This paper proposes Active...

Data sharing among organizations is a practical application problem. In 2015, T. Miyamoto, Y. Murakami and M. Kasahara proposed two inter-organization cryptographic schemes for secure communication among organizations. Firstly, we give a security analysis of their RSA-based inter-organization cryptographic...

Taking the cross shareholdings(CSH) A-share firms from Shanghai and Shenzhen stock markets from 2006 to 2014 as research samples, this study constructs corporate network and industrial network of CSH from the perspective of social network. QAP analysis is used to explore the influence factors of industry...

Entering the 21st century, China's marine economy has been experiencing rapid development, and the spatial structure of coastal city's marine economy has also changed significantly. This paper, introducing the term "geospatial", chooses a selection of index, with consideration of spatial effects, regarding...

Big data has promoted the integration of Internet and industrial innovation, and further promotes traditional industrial upgrading and the emergence of emerging industry, has resulting in a huge social and economic impact. This paper demonstrate the mechanism of industrial structure optimization promoted...

In recent years, excess production capacity has been plagued by China's economic development, especially under the background of the new normal, excess capacity in the short term and long term will cause certain negative influence to our country economy, destroy the healthy development of the industrial...