n Chinese information field of engineering construction, the traditional information management is on the function-oriented and data-oriented base, and cannot provide comprehensive and complete process-oriented support in the process management. There is a big gap especially in the information integration...

Construction process reengineering (CPR) is used to reengineer the construction process of engineering project by using the thought and method of business process reengineering (BPR) to improve the efficiency of engineering construction. CPR theory provides improvement direction for construction project...

In this paper, considering a clustered wireless sensor network, we propose a cooperative transmission scheme based on virtual multiple antennas combining with advanced channel coding (such as low density parity check codes), and give the system performance under different conditions through simulation....

Network security system constructs unified management and communication software under the monitor of alarm management center to make the distribution network between each subsystem and central monitoring equipment. Under the control of alarm management center and central management, achieve automation...

With the coming of information era, cloud computing has become a strong pillar for important management, storage, etc. in modern society development. In people's development course, its application has also been in unprecedented development speed. In the process of this development, through collecting...

Fuzzy reasoning algorithm is the key content in fuzzy logic research, and is also the basic theory in fuzzy control. With the deepening of the research, currently a lot of fuzzy reasoning algorithms are proposed and applied in electrical appliances and many industrial productions. But its basic research...

Meta-algorithm in GIS system changes the single and fixed mode of mathematical model creation in GIS system, which adapts to the new development demand. This paper focuses on analyzing mathematical model library system and GIS mathematical model library system under meta-algorithm, classifies models,...

Service-oriented new software system development has gradually been proposed and gets rapid development with the emergence of Web services. Service oriented architecture (SOA) makes changes in creation and development of deployment application system, and will become the effective way to solve enterprise...

Load balancing is one major cause of the false traceroute link problem in the Internet topology measurement field. In order to improve link inference correctness in the presence of load balancing, the impact of per-packet load balancing to link inference in the context of symmetric and asymmetric load...

Computer vision is an important research direction for the man-machine interactive intelligent visual image processing. It is a key technology to the text information extraction and recognition of video or image. As a new research direction of video analysis and application field, Video OCR has the certain...

Effectively apply computer technology in image contour extraction can not only automatically detect surface image defects, but can better process image contour and realize the function of extracting single pixel image edge profile with high precision. It can meet the measurement requirements based on...

With the rapid growth of vehicles scale in China, the development of public transportation has become an effective way of controlling urban traffic problems. However, the continuous occurrence of public traffic accidents has caused widespread concern in China. Hence, how to efficiently monitor the security...

In order to elevate efficiency of traditional Fuzzing technique, a novel method using genetic algorithm is proposed based on path coverage and test cost. There are evidences that GA has been already successful in generating test cases. Considering path coverage as the test adequacy criterion, we have...

Semi-supervised Clustering with constraints is an active area of machine learning and data mining research.. Shental used the Expectation Maximization (EM) procedure to handle semi-supervised Gaussian Mixture Models (GMM) estimation, in which positive and negative constraints are incorporated with to...

This paper use the advanced experience of Japan in the area of disaster prevention green space planning and construction and, look at the status, gaps and challenges of China’s construction and planning of Green Infrastructure, present the new thinking direction about the construction of disaster prevention...

In reference to domestic and international research on the theories and software of emergency evacuation, this paper aims at creating an emergency evacuation model of urban public space based on the Building Exodus, and the improved theory of Cellular Automaton (CA) was employed as the theoretical basis...

With the popularity of the Internet, Internet Protocol Television (IPTV) has been replacing traditional TV and recommendation systems can help IPTV users to choose programs that may interest them. Compared with other recommendations (e.g., movies), IPTV recommendation suffers from a multi-member problem...

Solar blind ultraviolet imaging detector is useful in detecting corona of overhead electric transmission lines, reducing power equipment damage. UV lens are the core of solar blind ultraviolet imaging detector. Their property affects the performance of the whole detector directly. In view of the problems...

In order to solve the current college admission work problems like workload focus, department coordination problems, and low artificial statistical efficiency, on the basis of college admissions requirements analysis, this paper proposes the use of big data to collect admission work data in each link...

Web service composition has been an important research topic in the field of service computing. Through the web service process modeling and the formal verification of the composition, we make sure the composite services meet the designer’s anticipated targets. Pi calculus is process algebra which is...

The paper selects distributed solar water heating system of certain high-rise house in Jinan City as research object, its field performance test and energy efficiency assessment are made, obtains annual solar guarantee rate and conventional energy substitution quantity of solar water heating system of...

The “passive house” was first presented by Prof. Adamson (Lund University, Sweden) and Dr. Wolfgang Feist (Germany) in 1988. Nowadays, “passive house” has been widely used as a kind of a low-energy consumption and high comfort energy saving building around the world. In 2014, the Passive and Low-Energy...

With the rapid growth of logistics, it is important to gain further insight into the strategic benefits of logistics services. The study examines the state of Chinese logistics service industry based on constructing a classification framework for logistics services studies. Finally, it explores key issues...

In the paper, the influence of user trust relationship on recommendation is mainly analyzed, user rating and trust relationship are also clearly defined. Meanwhile, the traditional SVD matrix factorization algorithm is extended to introduce the explicit influence (user trust value) and the implicit influence...

In this paper, an ultra-low-power integrated RF front-end for UWB system is proposed. It contains a single-ended low noise amplifier (LNA) and a double balanced mixer. The resistive shunt feedback topology is employed to achieve a good input impedance matching in the whole UWB band. The stacked common-source...

In the study of high-power electromagnetic environments, double exponential function is widely used. The physical parameters of the pulse are the rise time tr and the pulse width tw, which have a strong relation with and , the key parameters of the double exponential function. In actual use, the transformation...

As our material life level unceasing enhancement, people's health consciousness and Care awareness has greatly improved compared with the original. At the same time with the aging of the population of China, the health situation and health awareness of the elderly is also deeply concerned by the society....

Virtual machine scheduling is the process of selecting the most suitable server in cloud data centers to deploy newly created VMs. The optimal placement is important for improving resource utilization and reducing resource wastage in a cloud computing environment. In this article, we propose an Self-Adaptive...

A novel series-structure power transmission system connected by LCC-HVDC (line commuted converter based High Voltage Direct Current) and VSC-HVDC (voltage sourced converter based High Voltage Direct Current) is studied. The coordinate supplementary control of LCC-HVDC and VSC-HVDC is proposed to deal...

Ferroresonance over-voltage mechanism of converter transformer bushing tap caused by charging to connection was researched, and PSCAD model was established based on actual parameters of the site for analysis. A method of increasing the damping resistor was proposed to inhibit the ferroresonance, and...

It is important that control center operators be alerted to system disturbances, including where, when and what disturbance occurs, so that proper anticipatory actions can be promptly taken if necessary, avoiding oscillation spreads in the power network. In this paper, the wavelet multi-resolution analysis...

It is of great help to take proper anticipatory actions to eliminate the disturbances that identifying disturbances timely and accurate, avoiding blackouts. In this paper, the wavelet multi-resolution analysis based method is introduced to identify power system disturbances. The effectiveness of the...

In this paper, one calculation method based on field-circuit-network coupled co-simulation is presented. Compared with the traditional simplified transformer model, this transformer model takes the nonlinear factors into account, and the accuracy of the simulation results will be improved. The transformer...

This paper presents the design of a 6GHz track-and hold circuit with input bandwidth. The track-and hold circuit adopts the design simulation of HBT process, able to work at a sampling frequency of 2 GHz, the highest sampling frequency can reach about 2 GHz. The SFDR of the track-and hold circuit can...

Digital filter is a basic algorithm to speech, image processing, pattern recognition, spectrum analysis and so on. It plays a very important role in digital signal processing. At present, many designers use software tools such as Matlab to model and simulate the digital filter. This paper described the...

According to the principle of electric field polarization, we sputtered one or a few silver squares on substrate to strengthen polarization of local electric field in the depositing system of silver nanowires in an ultra thin liquid layer. In this paper, we observed electrochemical dissolving inside...

The development of micro devices is mainly restricted by chemical battery. Scientists have proposed the method to collect energy from the surroundings and convert it into electrical energy. This article summarizes different energy management circuit modules systematically and sums up the circuit structures....

To the nonlinear model errors caused by the swaying base, unscented Kalman filters and Adaptive Unscented Kalman Filter (AUKF) are designed (UKF) for fine alignment respectively. In this paper, the adaptive estimation principle is introduced into the UKF algorithm. AUKF algorithm can balance automatically...

We fabricate nearly straight silver nanowires with different width by electrochemical deposition, which is possibly applied on nano- scale circuitry in future. The silver adheres to the underlay of the cover glass, with an ultrathin thickness and slick surface, which indicates that the silver deposits...

In this paper, we propose a cooperative transmission framework based on adaptive modulation and coding (AMC) system in multiple-input multiple-output (MIMO) fading channels. We consider the scenario that consists of one source node, one relay node and one destination node, they all equipped with multiple...

This paper presents an improved hybrid multilevel converter for renewable energy generation. Topology and operating principles are investigated. Nearest Level Modulation (NLM) and control strategies under normal and dc fault conditions are studied. A 61 voltage-level model is set up in PSCAD/EMTDC. Simulation...

In the view of the information inaccuracy and additional information in the web page recommendation algorithm of multi similar web pages, the data clustering effect is not satisfactory. In this paper, a new method for the image denoising method based on the rough set of Gauss block is proposed. Firstly,...

An improved Allan variance method (IAVM) is proposed for the characteristics analysis of the band-pass mixed noise to distinguish the different types of the noise in the band-pass mixed noise and give the corresponding intensity coefficients of the power spectral density (PSD) of the noise. This proposed...

In operation system of farming machine, the moving target detection is a key part of the monitoring system. Aimed at the shortcoming of poor detection effect of Gaussian background modeling, this paper proposes a detection method based on non-reference background model. The model utilizes the previous...

In PV microgrid control system, the delay and filter inductance value change will influence the response speed, stability and grid-connected current distortion rate of system. Therefore, this article proposes a power feedforward robust prediction dead-beat grid-connected control method. The system’s...

The quality difference of data itself cause low credibility of data mining conclusions, which has become an important factor affecting the application of data mining. The cleansing algorithms and tolerate algorithms designed in view of incomplete data can not solve this problem fundamentally. By means...

The video surveillance system is a more direct monitoring means, widely used in industrial production, transportation, electricity, office buildings and residential areas. Plenty of remote monitoring systems adopt the mode to collect and compress data through local end and remote monitoring center to...

The face recognition technology is mainly according to those characteristics that exist large differences among different individuals and are relatively stable for the same person. Which feature forms that will be adopted concretely vary with diverse recognition methods. The static face recognition methods...

Along with the rapid development in modern science and technology, the equipment in every manufacturing industry and field has been constantly renewed and upgraded. It is the same case with the equipment of power enterprises, which have been enhanced under the general background of scientific and technological...

The extensive utilization of electric power makes the safety of power supply facilities become the priority among priorities, and the failure of the power supply facilities will bring immeasurable loss. How to prevent in advance, response rapidly to the failure, and recover rapidly power supply is the...

This article analyzes the current electronic warfare is faced with numerous and complex electromagnetic environment, in the dual machine cooperative reconnaissance system, the reconnaissance receiver with a timely and accurate manner to select the application requirements of the radar emitter signal,...

An automation testing framework oriented OS2 PAS application is constructed in order to solve the deficiencies that there is no effective methods for the PAS application of OS2 master station system. An Automated Test-case Generation method (P-ATGM) is proposed. ROI evaluation of automation testing framework...

The stability and reliability of airbag controller determines the security of the whole vehicle cabin system, but because of it’s complex internal structure, it’s hard to test every main function before leaving factory, at the meanwhile, multiple testing may cause damage or unwanted fault codes for products,...

In this paper, four anti-interference detection methods based on a CW small-signal are discussed separately. First the basic principles of various methods about the energy identification, frequency discrimination , SNR identification, pulse width identification are introduced, and then their advantages...

With the rapid expansion of biomedical literatures, it provides an opportunity for mining biomedical knowledge from the huge amount of biomedical text. Entity recognition is a challenging task of biomedical text mining. In this work, we described a method to identify biomedical entity based on Conditional...

The database of military equipment data engineering is the important basis of making scientific decision for military equipment assessment, and it has the significance for developing the military equipment. The paper designed the database structure of military equipment data engineering, including the...

The paper mainly introduces the definition and characteristic numbers of Poisson process and also gives two simulation methods and operation steps on Poisson process. In this paper, we mainly introduce the idea of generating the interval. We also give an example and use Matlab to simulate the process....

Test arrangement problem is a kind of NP hard problems, which has been proved. It’s a combination of constraints, nonlinear, and fuzzy multi-objective optimization. The results can be found based on all kinds of known constraints, but it spends too much time. And the effect of the test is not certain,...

Traditional recommendation methods usually focus on utilizing user’s features obtained from structured behavior information, which only contains coarse grained user interests. This paper presents a novel approach to introduce aspect-based sentiment analysis (or opinion mining) into recommender systems....

We discuss the key technology of smart power, analyze the technological features of big data technology and the column type database and present the basic computing architecture that fit for OLAP and OLTP hybrid mode. We provide an architecture solution based on the x86 server and open source components...

We analyze characteristics of electric vehicles interaction network and present a big data analysis method for electric vehicles operations, which is based on cloud computing model. For the electric vehicles large-scale operations, we propose a scalable architecture design as well as the method to improve...

Based on Electromagnetic projection theory, this paper presents an Electromagnetic bidirectional weft insertion mechanism, and establish its electromagnetism and kinetic model. Based on classical vector Electromagnetic force density model, established projectile - Electromagnetic force mechanical model....

The design method of the digital phase-locked loop is presented according to the parameters of the center frequency, the loop filter bandwidth, etc. The modules phase detector(PD), loop filter(LF), voltage controlled oscillator(VCO) have the similar behavior with that of the analog phase-locked loop(APLL)...

In recent years, product quality and safety event shave happened frequently, which poses a threat to the health and property safety of consumers. With the development of the Internet, Web news has become one of the important channels for information release regarding product quality and safety issues....

Some factors affect the energy loss in country distribution networks, including the load density, the load distribution, the grid structure and the operating condition of the distribution networks. As a result, the difference and the relation among these loss effect factors are considered, and the typical...

Fatigue driving, a hot issue in the field of transportation research, has become a worldwide problem which always leads to traffic accident. Existing detection method always based on costly hardware platform sensors. By developing an android APP using image processing algorithm, we can lower the costs...

As one of the most important features of human face, the eye location plays a fundamental role in many application fields. For example, by judging the eyes state, defining whether the driver is in the state of fatigue. At present, most of the eye detection algorithms in fatigue driving are based on laboratory...

With the rapid development of cloud computing data centers, the problems of tremendous power consumption has become increasingly prominent, so it is of great practical significance to study the energy efficiency of cloud computing green data center. This paper proposes a mathematical model based on the...

BC graphs are important interconnection networks, which include hypercubes, crossed cubes and other hypercube's variants. In this paper, we propose a new model, named BC-VoD model, to approach VoD system, which utilizes BC graphs. At the same time, we use independent spanning trees for content distribution....

There is an increasing consensus that it is necessary to resolve the security issues in today’s industrial control system. From this point, this paper proposes an anomaly detection approach based on function code traffic to detect abnormal Modbus/TCP communication behaviors efficiently. Furthermore,...

A type of directly self-tuning PID controller based on neural network is proposed in this paper. Its main characteristic is that it no longer includes independent PID controller and put neural network and the law of PID controller together. Showing the learning algorithm of this neural network controller...

LIN bus is well adapted in vehicle network for its easier development, and through a LIN-CAN gateway, a LIN network can be mounted to CAN network as a distributed control system. To create the vehicle lamp control system, LIN bus is selected as communication bus, and to control lamp a high side switch...

It is an effective way to enhance the safety of train control system by using safety redundant architectures. This paper consider the typical safety redundant architectures, including double hot standby, 2-out-of-2, 2*2-out-of-2, and 2-out-of-3, establishes models for these architectures by Markov chain....

In this paper, we propose a facial expression recognition method using Support Vector Machine on mapped coordinate sequence features. The proposed system is almost fully automatic, in which landmark initialization is based on general knowledge with edge information, and missing information compensation...

Propagator Method (PM) algorithm is a common method for the estimation of direction of arrival (DOA). In this paper, we propose a reduced dimension PM (RD-PM) algorithm for non-circular signal with linear array. We reduce the dimension of the pseudo spectrum function so that we need only one dimensional...

In this paper, we propose the noncircular estimation signal parameters via rotational invariance techniques (NC-ESPRIT) algorithm as a two-dimension direction of arrival (2D-DOA) estimation algorithm for uniform rectangular array. Compared to conventional circular ESPRIT algorithm, the proposed algorithm...

Key management system deals with the key question for the entire process of key from produce to final destruction ,including system initialization, key generation, storage, distribution, renovation, destruction and more. The paper conducts research for public transportation IC card certification and...

Non-line-of-sight (NLOS) is the major problem for the indoor localization. So as to deal with NLOS propagation, a novel NLOS identification method is proposed based on the skewness and slope of the (energy detection) ED-based received energy block. IEEE 802.15.3c 60 GHz channel models are used as examples...

In this paper we propose a DOA estimation method by combining propagator method (PM) algorithm for co-prime L-shaped arrays. The array contains two uniform L-shaped arrays with the minimum inter-element spacing larger than the half-wavelength, which will cause phase ambiguity. Utilizing the co-prime...

A new compressive fusion algorithm based on non-uniform sampling is proposed. Although conventional block-based compressed sensing (BCS) represents a low computational cost, it suffers from low reconstruction quality since it is not well accounting for global image features. Employing the structured...

Spatial data contains a lot of spatial information. Geographic Information System (GIS) provides methods to extract information and support decision. The difference of geographic data can be found out by analysis of variance (ANOVA) that is a method of spatial statistics, which is a part of GIS. In this...

In this article, a multi-sensor image fusion algorithm is presented. The fusion framework is built on the second discrete curvelet transform to make full use of its multi-scale and multi-direction representability. The fusion rules are mainly based on Deng correlation for representing image similarity...

Impulse radio (IR) 60GHz signal has been applied in ranging and localization systems because of higher multipath resolution. In order to improve the precision of the TOA estimation, a threshold selection algorithm based on a Joint Metric of the Skewness and Kurtosis after Energy Detection is proposed....

Distributed animation rendering systems are used to speed up of rendering i.e the computational-intensive phase of producing animation. How to develop softwares with high availability and efficiency is a hot topic in distributed animation rendering systems. In this paper, based on model checking method...

There has no one type of indoor positioning technique which can work in all scenarios. Because of the limitations of technical and the different concept of design, the existing technique of indoor positioning only applies to a particular scene. In this paper, the algorithms of indoor positioning algorithms...

The western region of Chongqing seriously suffers from landslides. This paper evaluate the landslide hazard using GIS (Geographic Information System) technology and information value model and selecting seven influential factors including slope, aspect, elevation, rain, river, road and geological structure....

This paper deals with the global existence and blow-up to nonnegative solution of a degenerate parabolic equation with time dependent coefficients under homogeneous Dirichlet boundary conditions. We establish the results on global existence and blow up solution to the system.

In this paper, the CUSUM algorithm is used to detect and predict the state of network equipment. By collecting information on network equipment operating characteristics, features of the device obtained sample set, the application design is complete training sample set and obtained parameters of algorithm,...

A special resource constrained scheduling problem is proposed to satisfy the needs of an enterprise. The constraints of sites and the constraints among different resources are added. With a SSGS-based heuristic algorithm generating an initial solution for the proposed model, the max-min ant system is...

As the control input of the virtual reality flight simulator, precise head tracking with no time-delay is essential for user immersion and training effect. We present the results of applying a modified Kalman filter to improve head orientation prediction. A piecewise constant acceleration approach with...

In order to improve the quality and efficiency of the distributed cluster collaborative production for video stream, a multidimensional transcoding framework of stereoscopic video is proposed. In the framework, the transcoding technologies, including decoding and encoding, are applied based on multiple...

Publish/Subscribe communication model has the characteristics of asynchronous , multipoint communication ,it can makes the participants of communication decoupled in space and time and control flow completely , and can meet the needs of loose communication that the large distributed system asks effectively....

This paper presents a novel approach to improve the accuracy of auxiliary particle probability hypothesis density filter without the need of clustering step. In most cases, the states of target can be seen as combinations of linear components and non linear ones. The new approach separates the two different...

Considering that it’s difficult to dealing with symbolic expressions which are stored in the form of strings, we put forward an idea that the symbolic expression is stored in a right-thread binary tree, and we minimize the right-thread binary tree so that the symbolic expression could be simplified....

According to the low accuracy of single feature-based image retrieval algorithm, the paper proposes a strategy which fuses the SIFT and the color feature, to obtain a kind of relatively simple and accurate retrieval approach. To accelerate the retrieval process and improve the efficiency, the paper adopts...

In recent years, as the intelligent terminals developed rapidly, the combination of intelligent terminals and Internet has been an evident trend of information development and utility software. Based on the kernel of Linux V2.6, Android is the representative of mobile terminal, which is an open operating...

Three-dimensional laser scanning can be used to collect the 3D coordinate information on the object surface to create 3D point clouds, which can reflect the characteristics of the target surface, facilitating the establishment of terrain model. Since point clouds lacunarity is usually caused by occlusion...

Intelligent transportation system (ITS) is an effective method for solving existing traffic jam, traffic rules violation reduction and traffic low efficiency. We introduce the development of Shandong ITS construction in the latest three years, based on which we present a performance comprehensive assessment...

Optical character recognition is already widely applied to industrial applications, and its recognition accuracy is also increasing with a variety of algorithms. This paper introduces three kinds of neural network structures named BP neural network, DBN network, CNN network. Through experimental comparison,...

With the fast development of the computer technology and social developing needs, the network has experienced quite a lot of changes and the usage of it has also entered into more areas. As one mature technical service which is widely accepted by the public, cyber video has the inevitability and feasibility...