Substitution box (S-box) is an important nonlinear component in block cipher algorithms. Evaluating the cryptographic properties of an S-box requires attention to criteria such as nonlinearity, differential properties, and diffusion properties. In this paper, Artificial Bee Colony algorithm was introduced...

Snowfall directly affects the traffic safety and a lot of accidents happened every year because of the snowfall. If the traffic department can timely detect the thickness of the snow on the highway and clear the snow in time, the rate of traffic accident will reduce and won’t make much trouble for people....

(17664, 16512) LDPC code is simulated under AWGN channel. The simulation is led on FPGA platform, with Layered Normalized BP-Based decoding algorithm. The shifting of measurement point is under consideration, where the soft information for decoding is inaccurate. LDPC performance under different situations...

in the process of studying on computer vision feature recognition method, with the current algorithm for feature recognition, the amount of calculation is large, and noise is strong, recognition rate is low. For this, a computer vision feature recognition method based on Improved Wavelet arithmetic is...

the analysis method of mathematical modeling in particular clustering process of mixed data is of great significance for improving the ability of data analysis. The traditional method for specific clustering process mathematics modeling of mixed data is based on K-Means clustering algorithm, it is easy...

in the classification process of nonlinear data, due to large amount of the data of nonlinearity, the correlation between nonlinear data is reduced, resulting in the classification results of nonlinear data is not ideal. Therefore, this paper proposes a fast clustering algorithm based on improved quantum...

the analysis of the effects of night environment on athlete’s psychological intervention has a momentous significance for promoting the performance of athletes. The traditional algorithm not fully considers the instantaneous and disorder of night environmental psychological change, resulting in the reduced...

the anti-collision problem of large network control software is studied. With the increase of the control task amount of large network control software, the randomness for network control is enhanced, the traditional anti-collision design algorithm is hard to establish the accurate anti-collision model...

in the process of peak period income estimation in the tourism scenic of minority areas, the estimation results obtained by traditional estimation methods are affected by the mutability of tourist amount, existing local optimal problem, causing bigger error. Therefore, this paper proposes a method of...

in the process of detecting specific data of large database, when the traditional detection method is utilized for detecting specific data, it is vulnerable for interference of mass information, which makes the specific data detection process time-consuming, and of low efficiency. For this, an effective...

in the XML complex process relationship design problem, in multidimensional dynamic list scheduling algorithm, for the defect of platform (Group) selection caused by static priority of platform, an optimized priority calculation method is designed based on XML complex process modeling, during the process...

classification storage technology under the cloud computing environment is studied to improve the performance of data management. In the process of data management, how to process classified storage for data effectively, has become the core problem in the data field. How to carry on the management for...

in the management process of large construction projects, the related factors and the influenced parameters are various. A mathematical model of construction project management is complex, it is difficult to form effective project management measures. In the traditional architectural engineering project...

according to the present situation of loess landslides in Qingyang area through frequent field visits, and statistical information analysis, for the "seven county and one area" administrative division in Qingyang area, the distribution curves and statistical characteristic diagram is established, to...

detection method for mixed network structure robustness in 4G network is researched. BP neural network algorithm is utilized to detect mixed network structure robustness in 4G network, because the 4G network reflects the exchange of information between individual and individual, randomness factors of...

During calculation process of hotel guest stream evacuation in the tourist season, the genetic algorithm is used to constantly generate optimal method, based on the theory of "survival of the fittest" to operate unlimited reproduction for the better method, which makes the algorithm premature convergence,...

The fast mining method for intelligence data in library database occupies an important position in the field of data processing. With traditional algorithm to dig intelligence, when encounter the interference of characteristic similarity, fuzzy rules are utilized to establish mining association rules,...

Vehicle handling stability is an important factor which affects vehicle safety. In order to study Vehicle handling stability, we established a dynamic virtual prototype model of a car in ADAMS/Car software, and make simulation of the single lane change on different velocity and steering angle. And we...

The risk management theory has been applied in information technology area for many years. And it has been regarded as an effective information security solution and approach. With the full expansion of information classified security protection implementation, persons are puzzled by the relationship...

With the development of information technology, the Information Management System of the English Contest for College Students is presented to strengthen the Management Information. By analyzing the management content and workflow of the English Contest for College Students, integrated network technology,...

Association rules mining oriented to software defect data plays a significant role in exploring the relationship between software defect data. What’s more, it can provide guidance for software developers and testers. What negative association rules describe is mutually exclusive relationship between...

Physiological signals are external manifestations of emotions. Mood swings can be expressed by the change of physiological signals. Because these performances are not controlled by the individual subjective consciousness, the conclusions are more objective and true. The method based on the statistical...

We extract the chaotic characteristics of multiple physiological signals in this paper, and the relevant algorithms for extracting chaotic characteristics are given respectively. Based on different algorithms we respectively calculate four kinds of chaotic characteristic parameters from multiple physiological...

In order to looking for the fault of rock drilling hydraulic pump, the data of pressure and flow can be collected, from which wavelet analysis was used to find characters of the fault. So a new rock drilling pump fault diagnostic model by SVM was based on the energy value of the data deal with wavelet...

In the buffer solution of pH=5.80, bilirubin can remarkably reduce the fluorescence intensity of the enoxacine - terbium (Tb3+) complex at =545nm and the reduced fluorescence intensity of Tb3+ ion is in proportion to the concentration of bilirubin. The influential factors were investigated. The reducement...

It has a very important role that emotion to coordinate the relationship between people in the numerous and complicated social life. Expression is the most important characteristics of emotion, it is indispensable means of information communication and emotional communication in interpersonal communication....

Batteries play an essential role in electric vehicles, In order to achieve an optimum operation of systems with batteries it is necessary to estimate accurate of the state of charge (SOC). In this paper a combined model for SOC estimation in Vehicle Batteries, based on extended Kalman filter (EKF) is...

Aiming at the solar photovoltaic characteristics and the lower transformation efficiency problem in grid-connected photovoltaic power generation, a maximum power point tracking (MPPT) algorithm is put forward. According to the changes of amplitude and frequency of power-grid voltage, the proposed algorithm...

Because of the effects of the wind-noise, sound-noise, strong electromagnetic interfere, sensor itself, and the magnified circuit etc. at the survey spot, the received transducer signals often include noise signals of multi-frequency disturbance. Under serious circumstances, such noise signals would...

Blind channel estimation for MIMO-OFDM systems was discussed, and a subspace based blind channel estimation algorithm by re-constructing the received signal and its simplified one were proposed. The algorithm changed the channel matrix of the transfer function into a block Toeplitz high matrix exploiting...

Through the analysis of the surface of the gear machining program, describes the characteristics and applications of various processing methods, the view of the article describes have a guiding role in the design and processing gears.

Online learning is a learning way to use online education platform for learners. It could let the learners start learning at anytime from anywhere by removing the traditional education's time and space limit. As the online learning style becomes more and more popular, its main base environment has gradually...

Study of motion control of underwater vehicle is deeply undertaken here. S-plane control is verified to be effective and validity in the control of UVs, but there are still problems in steady precision and parameter adjustments. To obtain higher steady precision, intelligent integral method is brought...

Using WDM technology to solve the problem of the reuse addressing the fiber grating sensing network, the system USES a reference grating for temperature compensation, the reference grating was put in the same temperature field as the measuring grating array, but does not suffer the effect of strain,...

Reflective spectrum of sampled grating was analyzed using transfer matrix method. Dispersion compensator was designed by selecting the length of sampled grating, sampled period, sampled rate, chirp coefficient and some kind of appropriate parameters. In multi-channel dispersion compensation simulation...

This paper changed temperature conditions to simulate by finite element software. We can observe the simulation results of the BLDC (brushless director current motor) stator resistance. Then we applied formula to calculate the BLDC stator resistance. At last, measuring the stator resistance of different...

The transmission of real-time video need a stable link and is also very sensitive to delay and packet loss, this is a huge challenge to wireless ad hoc network[1,2,3] which has dynamic network topology and limited bandwidth. In this paper, a method to transmit video streams in multi-hop network is proposed...

The paper proposed a new model by applying bio-inspired theory into intrusion detection system in cloud computing. Dendritic Cell algorithm (DCA) based on Danger Theory get involved in the model designation in allusion to the existing problem, high false negative rate, low detection efficiency, low real-time...

Transformer winding deformation is common in transformer faults. Offline monitoring is mostly used in diagnosis of winding deformation, which has some limitations. So an online detecting method based on extraction of current is proposed. The method increases the higher harmonic of the current that flows...

In order to solve the contradiction between real-time and accuracy of collision detection in virtual battlefield, we divided the terrain into three types according to its average curvatureand different matching algorithms were used in different types of terrain. In virtual battlefield, collision detection...

According to the characteristics of military supply chain, we design the indicator of performance evaluation based on the key factors of supply chain strategy in this paper. When talking about estimating performance evaluation, in order to materialize the punitive or stimulant request that decision-maker...

With the rise of the Internet Web 2.0, the paper studies a use of B-tree index technology supported by Oracle 11gin mass data retrieval. B-tree index scanning mode use the index selectivity, histogram etc to select the best execution path to improve query performance. Put forward the solutions to avoid...

the development of electric power and communication technology promotes the apply of cable widely, the trouble of cable become more and more. establish the measure cable breakpoint location range system to locate the breakpoint rapidly, the location of cable breakpoint can be calculated by the interval...

In cognitive radio system, secondary user’s self-sensing properties to the spectrum occupy is the start and basis of the whole cognitive process. The classical analysis of self-sensing properties has the hypothesis that the Primary user signal occupies the whole sensing slot. However, in the actual,...

The wind tunnel test control is the key to the wind tunnel tests. This article Studied 0.75m × 0.75m With backflow wind tunnel measurement and control technology, through the transformation of the wind tunnel motor to improve the stability and uniformity of the airflow and reduce turbulence degree; through...

Rarefied gas effects have to be considered when doing the research and design of hypersonic flight vehicle in near space, in which accurate prediction of flow field and surface properties such as pressure, shear stress and heat flux are needed. Research on the mechanism of hypersonic slip flow must consist...

Virtual laboratory is a practical teaching assisted instruction with high efficiency. This paper analyzes the characteristics, classification of virtual laboratory and the design of virtual instrument. It discusses the construction and system structure of network-based virtual laboratory. This paper...

A nonlinear dynamic model of a spur gear transmission system is developed with consideration of gear mesh stiffness, backlash, internal and external excitation. Lagrange equation is used which is derived for the vibration of the drive system differential equations. Time process diagram, frequency spectrum...

Materials and the related manufacturing industry involve every area of the economy, and the corresponding talent demand ranks in the forefront of all industry professionals. However, the defects of current talent training mode and curriculum system limit the quality of talent training. In this paper,...

In order to solve special shape pipe automatic welding problem,a new decoupling control system has been introduced,which is constructed on PID and RBF neural network.Input data is from non-contact displacement sensor and angle sensor,and output data has been used to control servo motor which always used...

Evaluation of equipment `support distribution `plan in wartime scientifically and accurately is crucial to improve the efficiency of distribution and meet the demand of war timely. In this paper Topsis is adopted to conduct comprehensive evaluation of the equipment support distribution plan at war time....

As the device in general inspection maintenance, can only carry on the system static parameter measurement, and dynamic performance of the system only can be judged by qualitative observation. In this paper, we adopt modular design scheme and the method based on synchronous sampling and real-time data...

The ground fissure is hidden hazards of ground deformation.Survey work to crackisthe basicofcontrol measures. Geological radar detection as an emerging technology has advantages of rapid, continuity and visibility; according to a practical example of the detection mechanism of landslide cracks, summed...

In this paper we analysis aircraft dynamic characteristic on relaxed static stabillity control from the concept of active control technology point of view, and calculate the dynamic characteristic of longitudinal. Through calculation, further reseaerch on the influencing of relaxed static stability on...

Based on the analysis of problems encountered by PulsON@ 410 RCM modules when used in substation accurate locating, such as automatic discovery of beacons, a self-organizing protocol is put forward to support the creation, maintenance of beacons network. Also solutions from different aspects are presented...

This paper illustrates the main features and structure of the armored vehicle engineering simulator (AVES). Considering high cost and long cycle development problem of the traditional armored vehicle design, the AVES has been developed for purposes to test rationality of design, to investigate different...

Key problems in view of the urgent long-endurance uav, the research of the application of bionics to no one wing design. With the wings of a certain unmanned aerial vehicle as the research object, is good at gliding gull for bionic prototype. Design imitation airfoil seagull flat wings and wing tip winglet...

Charging, discharge, maintenance and energy management technology for electric vehicle power battery is relatively backward, An advanced and reasonable method is presented for battery state of charge( SOC ), used simple rough set attribute ,simplified battery charging related parameters, the simplified...

With the development of information technology, textile machinery manufacturing enterprises (TMME) are facing the new situation of “Two Integration”, in order to better responding to market customer demand (CD), the order prediction is becoming more and more important. The background of product model...

A silicon photoconductor apparatus having improved efficiency in infrared radiation detection by sandblasting the reflective surface of the apparatus and thereby creating a near-infinite number of reflecting angles and a corresponding multiplication of quantum energy yield. This article describes its...

At present, the mode analysis methods for Internet User to browse news have three main kinds: that is, association analysis, clustering analysis and the mode of sequence analysis. This paper mainly focuses on the personalized news recommendation for Internet user. We combine the membership functions...

Terrain aided navigation system is called the fourth generation of navigation system, this paper analyzes some key technologies of terrain aided navigation system and analyzes the factors that affect the terrain aided navigation system positioning accuracy, proposing solutions to improve the positioning...

Aiming at indoor harmful gas pollution of residents, a real-time online monitoring system is designed based on the detecting and control of harmful gases. The lower computer system make the STM32F103 microcontroller as the core, PC as the monitoring center, combining the technology of multi-sensor data...

The surge of information leads the creation of non-structured data increasingly, so content-management has been one of hot topics for IT industry to research. This paper discusses the use of FEDORA in content-management by analyzing the digital object model in FEDORA. We implement a content-management...

At present, most existing key exchange protocols for three-party (3pake) are easily attacked by server key disclosure, dictionary attack and so on. This paper analyses the weakness of the previous work , and presents a key exchange for three-party based on the private key .This method can resist common...

The algorithm of attribute reduction based on discernibility matrix is advanced. The advanced algorithm uses the dependence of decision attribute to condition attribute as heuristic information. The advanced algorithm can debase the complexity of discernibility matrix constructing effectively. The value...

Recent year, the method based on face verification has been one of the most vibrant study aspect in face verification field. The problem of face verification can be defined: imputing the picture or video, identifying or validating by using face database. “video-video” face verification means inputting...

Aging population is serious problems now in China. Many aging people have only one child, their children have many works to do every day. The only children have little time to care for their parents’ health and daily life. This paper introduces a real-time monitoring system which can collect the vital...

The photovoltaic power is gaining momentum and developing fastest among the distributed power generation technologies. The distributed photovoltaic power is connected to the distribution grid through the inverter. And it is stochastic and different from the traditional power plants. So it is necessary...

Coordinated environment of economic development will provide power for economic development. Otherwise, it would counteract the development of economy. Aiming at this problem, using the factor analysis method and taking Chinese city for example, this article selects the 18 indexes of 36 cities throughout...

In recent years, power production industry investment and financing security issues have become increasingly prominent in China,which has brought serious financial security challenges to our country’s power production industry. Therefore, to evaluate the financial security is of vital significance.This...

The traditional project management performance evaluation method mainly used single linear analysis, which is simple. But it can not reflect the complex non-linear relationship between the evaluations. Thus, a back propagation neural network model applied in project management performance was constructed,...

For comparing the prediction accuracy of company financial crisis prediction models, the support vector machine model was introduced in this paper to predict that whether there exists financial crisis in a company or not. Through the acquisition of a large number of samples for training and testing,...

As China's economic growth and social development, energy demand is increasing. As an efficient and clean energy, natural gas is widely used in various fields such as industry and agriculture. However, the contradiction between demand increase of natural gas and limited resources has become increasingly...

Natural gas is the third largest energy pillar in the world, the best energy that all countries are scrambling to develop. Five main influencing factors of natural gas consumption are analyzed by collecting relevant information, including GDP, the gross industrial output value, the increased value of...

Due to the evolution and widespread about the Internet, organizations are easier to attack on the information technology systems. These are caused by data loss and change and those insecurity impact resistant services and business’ running. Then, we use a way that is the management of the information...

Saline solution mud has been extensively used in many oil and gas fields. Its salinity property leads to the difficulty in identifying hydrocarbon using conventional wire logging information due to the lower reservoir resistivity resulted from saltwater invasion. Gas logging and geochemical logging directly...

In order to assess the maintainability of weapon system on the system-level more scientifically and accurate, the concept of “Influence degree” is introduced into this study under the consideration of the relational degree between the influence of components on system and assessment indicators. By combining...

The author analyses the current problems of campus network, make a research about the construction of university campus network, through the resource integration of campus network, and then introduce a information interaction model based on private cloud computing information interaction model, which...

With the rapid development of Internet, network security issues have become great issues related to national security and stability. In this context, researchers and students in universities require one for scientific research and experimental teaching of network attack and defense platform. This paper...

WIA-PA is an industrial wireless networking protocol standard used in process automation. One mechanism based on the WIA-PA multi-channel MAC has been proposed to solve industry wireless sensing questions in network channel disturbance and medium turning on conflict. The mechanism mainly includes the...

In order to reduce power consumption of thermal mass flow meter and prolong its working life as long as possible, we suppose that a MEMS cantilever beam could be used as switch in thermal mass flow meter. First, we discussed working principle of cantilever beam to confirm the feasibility as switch in...

As subway noise affected psychological, physiological and normal life of passengers and people along the track seriously, it becomes an important indicator of urban construction. In this paper, subway noise is analyzed by MATLAB for its efficient data analysis capabilities. The measured data is taken...

Kernel learning has been a focus of machine learning domain recently. Kernel partial least squares (KPLS) algorithm can construct nonlinear model using extract latent variables from the input and output data space simultaneously. However, generalization performance of KPLS model relies mostly on kernel...

With the rapid development of e-commerce apparel, clothing online shopping is becoming an increasingly popular way of shopping. At present, text features are often used as search terms. Users need a retrieval tool to realize the clothing information search function efficiently. The content-based image...

Scheduling of phased-array radar resource is an urgent problem of its tracking and control. In this paper, optimization control model of phased-array radar has been analyzed and the resource management of a certain type of radar in target tracking has been developed, which will provide theory reference...

The Internet of things combines aspects and technologies that come from several kinds of approaches. So the Internet of things is a new paradigm. When the computing, pervasive computing, and the relevant technologies are more closely interdependent to each other and the world of Internet of things form...

Synergy management in project aims to maximizing the all parties’ interests the owner, which parties including the construction unit, contractors, suppliers, government. It is the management core, in order to maximize their interests we try to carry out the new management mode of the integration. Synergy...

BP neural network is a multilayer feedforward network for training according to the error back-propagation algorithm , its main advantage is the strong non-linear mapping ability , but the training of BP neural network is easy to fall into local minima, and slow convergence speed. In this paper, through...

Credit is very important for the enterprise, analysis of a comprehensive evaluation of enterprise credit, can enhance the risk control ability of enterprise credit, improve enterprise credit rating.The paper establishes BP neural network credit evaluation model based on genetic algorithm GA optimization...

Neural network technology has been successfully applied in many business areas. This paper systematic summarizes the applications of neural network technology in supply chain management, which include three areas: optimization , forecasting and decision support. Then, the BP neural network is used to...

The camera radiance correction methods was designed and implemented to improve the pixel optical response features and eliminate the difference of the optical response. Otherwise the camera space correction and distortion correction method was designed and implemented to ensure the seamless splicing...

With the continuous application of science and technology in the ship fields, the new technologies of ship have a rapid development. The water jet propulsion boat technology also has continuous update. Therefore, the technology of water jet propulsion is a hot area of research. This paper mainly designs...

In order to keep the system’s transfer, every once in a while, it was needed to grab a snapshot for the VM of all the nodes which were in the process of the distributed simulation system. It is very important to set the reasonable checkpoint interval for optimizing the system’s average utilization rate....

The theory of Evidence reasoning is an important method for processing uncertain information, in order to improve the accuracy of evidence fusion and to reduce the amount of operation, and ensure that combining results are still reasonable and effective when it happens to information conflicting, so...

Grid technology is widely used in recently. It has solved the real sharing of resources, making each node of unified command and using of resources. The information grid is on the basis of computational grid, using data mining. Information fusion, search engine technology and building are advantageous...

Inverted pendulum system is a kind of widely used physical model. In this paper, we present a nonlinear control scheme of single inverted pendulum system based on extended state observer. First, we establish the dynamic equations of inverted pendulum under a generic horizontal force and then linearize...

In this paper, we investigate name network based on complex network theory. We study statistical properties of the network and find that name network show some important characteristics: not only small word effect, scale-free and the power-law distribution, but also disassortative mixing. The origin...

Cloud computing is a new computing model, in which large-scale Internet computing resources are effective integrated and computing resources ate provide as a service to users. Cloud computing effectively separates the virtual services from the actual resources. With the Promotion of cloud computing applications...

Big Data are becoming a popular technology focus both in science and in industry and motivate technology shift to data centric architecture and operational models. Big Data is bringing a positive change in the decision making process of various business organizations.In this paper, MapReduce big data...