Advances in Computer Science Research

Gray scale transformation is a common image enhancement technology in digital image processing. It can facilitate operations such as strengthening and stretching image contrast, layering gray levels, and inversing pictures so as to highlight image characters and image contrast. Image point operation...

The identification and evaluation of enterprise core competence is a prerequisite for building and improving enterprise competitive advantage ability. How to identify the enterprises core competence [1] The traditional research method is mainly identify the enterprise competitive advantage through the...

Most researches focus on the relationship between managers' background characteristics and enterprise performance, technological innovation, etc., and more focused on the direct link between the management background characteristics and corporate performance, technology innovation, to leave a certain...

Contemporary society has evolved into a world of digital technology. As a digital technology invented by humans, the computer has had a profound impact on both work and life. As an interface between humans and computers and a human-centred methodology to guide system development, human-computer interaction...

Welding technology is widely used in manufacturing, and welding nozzle directly affects the quality of its service life and the quality of weld. Welding mouth traditional forming process is machining, its material wastage rate is high, low production efficiency. This thesis makes a comparative study...

It is to guide the natural gas power generation capacity reaching 110 million kw in 2020 according to "Natural gas development "thirteen five" plan", and the natural gas power generation installed ratio from 4.33% in 2015 rises to 5.5% in 2020. Benefiting from the gas and electricity reform policy, the...

A novel drug delivery microsystem is proposed in this paper, which consists of the microstructure for drug loading and the bonding membrane with microholes for release rate controlling. The forming process of microstructure by hot embossing method was researched. For the microstructure was fabricated...

The production efficiency of the Beibu Gulf port of Guangxi is studied. We select the input output index system, including the input parameters of the terminal length, the number of berths, berth cargo capacity, the annual capacity of the berth container, and the output indicators include cargo throughput,...

Evaluation is an important part of English teaching. It can not only make a teacher find out the problems and adjust teaching methods, but also help the students diagnose the weakness in their learning process, esp. in formative assessment with the involvement of students. Through the self-assessment...

In order to further characterize the conditions of the college students’ psychological health, this paper proposes the college students’ psychological health models based on the statistical analysis techniques, which begin with the psychological issues triggered by the trivial events in the everyday...

Objective: To study the technology of auxiliary motor starting and stopping of the direct injection gasoline engine, and analyze the effect of the idle start stop system and oil saving energy. Method: the fuel saving effect analysis of the fuel saving effect of the system is analyzed by the multiple...

The efficiency loss of two kinds of player (UE player and CN players) traffic assignment under road pricing is investigated, the users under UE player aim to minimize her/his own travel cost, the users belonging to the same CN player can fully cooperate with each other and different players will fully...

Aiming at the influence of uncertain factors that impact on tasks and platforms in battlefield environment,adaptive optimization method based on uncertain event is proposed. Taking the uncertainty of platform loss and task implementing time into consideration, established a resource structure optimizing...

The stability problem of the bi-additive functional equation has been studied by Krzysztof Ciepli ski. In this paper, we will investigate the stability of the bi-additive functional equation on a restricted domain.

In order to conduct an effective evaluation of the vocational school-enterprise cooperation practical education, this article constructs a vocational students’ graduation design evaluation index system based on the university-enterprise cooperation, which regards the vocational graduation design as vector...

Aiming at the problem that the brain inspired multi- core processing chip processes high-speed images in real time, a real-time data buffer of multi-channel high-definition images is designed, and the image is processed and transmitted at the pixel level. The design uses field-programmable gate array...

This project is to design and manufacture a novel shock absorber with energy harvesting to reclaim vibration energy from automotive suspension system during driving. In order to improve safety and comfort, shock absorbers are used in automotive to remove vibration energy during driving, who adopt hydraulic...

In this paper,we compute the Morse index of the steady-state bifurcation solutions from the eigenvalue with multiplicity two of the Laplacian operator for a class of reaction-diffusion equations with Robin boundary conditions on the two-dimensional rectangular area

Mobile devices have become integral to our lives. Among operating systems, Android holds the largest market share, making it a prime target for attackers. While various solutions exist for Android malware detection, there remains a need for effective attribute selection methods. In this work, we introduce...

For the purpose of implementing on ideological and political education in the teaching field of software engineering, the research is devoted to exploring and constructing of a feasible resource database of course ideology and politics. As an example of software quality assurance and testing course,...

The optimal stations distribution for a single source target is proposed to improve performance of four stations passive location system based on time difference of arrival (TDOA) measurements. Geometrical dilution of precision (GDOP) is obtained by deriving Cramér-Rao Lower Bound (CRLB) firstly. Then...

With more and more various systems in nature and society are proved to be modeled as complex networks, community detection in complex networks as a fundamental problem becomes a hot research topic in a large scale of subjects. Artificial Bee Colony Algorithm (ABC) has high efficiency and does not require...

As a new learning application form of self-regulated learning, informal learning and mobile learning, microlecture appears special content carrier in online educational ecological system, which becomes as focus topic on account of its characteristics-adapting to many applications and suited for different...

The purpose is to study an improved cuckoo search algorithms in target assignment via the analysis of the characteristics of air defense interception and the demand for weapon target assignment (WTA). As for the threat of multi-batches and saturating targets, the random coding method based on the minimum...

The orderly charging and discharging management and dispatching system of electric vehicle is researched and designed based on internet in order to achieve orderly dispatching and management of electric vehicle in peak load regulation. Researching and analyzing the function of main components (power...

Reliability sensitivity analysis quantifies the effect of input random variables on model outputs. An efficient reliability sensitivity analysis method is developed herein by combining the stochastic perturbation technique and a third-moment saddlepoint approximation. The presented method requires only...

K-means fuzzy cluster analysis and matter element analysis have been used to select optimize points of water quality monitoring in Qinghe River, taking 8 monitoring section data in June 2014. K-means fuzzy clustering analysis method is suitable for the processing of continuous data set,and matter element...

Historical building protection has its own features and difficulties. BIM technology brought by the development of computer technology, make it possible to solve the problem of historical building protection. Based on Riegl value theory, this paper puts forward that different measures should be taken...

Ensuring the continuity of business activity is an important competitive advantage of modern companies. Currently separated two approaches of business continuity management, each with a key role for information technology. Information security means lower risks of downtime due to the actions of intruders....

The mathematical model is established for energy consumption caused by the compression resistance force, damping force of seal venting hole and air bind resistance between two seals during the side swing door closing process. The energy consumption of a certain vehicle’s right front door sealing system...

Since the interpolation-based image super-resolution algorithms can be executed very fast, it is the research focus of this paper. However, in the traditional interpolation-based super-resolution algorithms, the image edges are usually blurred and the quality of the reconstructed image is not satisfied....

Cloud computing concept has overhauled the entire structure representation, required for the implementation of IT Infrastructure. This cloud computing approach is gradually eliminating the existing client server system and grid computing. The capabilities associated with the innovation of cloud computing...

According to the characteristic that individual user data is less in tourism service, a personalized demand modeling mechanism is proposed based on user roles. The mechanism researches the existing historical data, defines demand hierarchy and category and establishes the requirement set. It also analyzes...

This study investigates the impact of China family business succession on R&D intensity by multivariate linear regression model and CSMAR data. The regression result shows that succession experience decreases Chinese family firms’ R&D intensity. Moreover, succession timing has a significant positive...

Traditional PID motor control methods have problems of low control accuracy and slow response speed. Therefore, in order to improve the performance of the speed control of brushless DC motor, a control method based on BP neural network and shuffled frog leaping algorithm is proposed. The DC motor was...

With the rapid development of smart phone devices, the update and iteration of APP is getting faster and faster, every time users update, they need to go to the app store to download the application and reinstall it, this consumes time and flow, and the user experience is not good, so hot update mechanism...

In an iris recognition system, the iris image quality of CCD signal acquisition is the key factor of system identification. Two kinds of CFA algorithms in iris recognition system image processing module are compared in this paper. Compared with SC interpolation algorithm, SCEE algorithm can improve the...

Traditional statistical control charts are rarely used as a tool to monitor the stock trading and portfolio analysis due to its capability of proving a buying, selling, or holding signal to the investor. Besides that, the normality assumption for a control chart is always violated due to the share prices...

As financial markets become increasingly interconnected, the possibility of cross-contamination of financial risks is also rising. This paper uses the medical SIRS infectious disease model to study the risk cross-infection mechanism between financial markets and conduct simulation simulations. To effectively...

With the rapid development of our social and economy, it puts forward higher requirement to the quality of business administration talents .However, due to the deficiency of traditional teaching method, there is a common problem existing in undergraduates that they attach great importance on theory and...

This paper presents a study of the possibility of application of cluster analysis methods to the data sets from navigation receivers. The navigation data from the moving objects have a number of features, it makes the application to them of some class of clustering algorithms impossible. Such features...

The development of the coal mine location systems in the recent decades was reviewed. Location technologies about IR, RFID, zigbee, leakage communication, through-the earth communication and WLAN in mine tunnels were mainly discussed. The conclusion that technologies based on WLAN or zigbee may be the...

Using IPC classi mfication method (International Patent Classification) and data collection, patent information hiding in the technological field of the Harmonic Drive is mined. The corresponding patent map is drawn, issues related to research Harmonic Drive technology in the global scope of the patent...

SCU and its software are widely used in both electrical and electronic devices. It is important and difficult to conduct quantitative analysis, accurate measurement and quality evaluation in SCU circuit design and manufacturing. In order to solve the problem of SCU-based circuit signal testing, this...

This paper provides a brief introduction of information technologies concerning knowledge management that applied wildly recently. The presentation of technologies is not studied in detail, but rather a starting point for the researchers to discuss how these emerging technologies such as mobile apps,...

Interactive boards are usually used for the smart classrooms where both teachers and students can learn the lessons interactively through the boards. However, the current prices of these boards are relatively high; 4,500-7,000 USD. This paper proposes an alternatively low cost interactive board using...

A general fault injection system is designed for the problem that the existing fault injection equipment cannot meet the requirements of testability verification test. Firstly, according to the requirements of testability verification test for fault injection and state monitoring, an injection system...

Massively parallel processing architecture, as a common parallel processing server architecture, is widely used in the field of mathematical modeling and database processing which require a lot of computing. This architecture can complete the calls of multiple processors by the coordination, which can...

The Malaysian political system is a constitutional monarchy with a federal parliamentary democracy. In the era of technological advancement, social media has become a huge part of human life. The relationship between politicians and the public has progressed through the use of social media, where they...

In response to the country's high emphasis on data asset management and the digital transformation of the energy industry, oil and gas companies are actively researching data assetization. Oil and gas well data are core to the production and operation of these companies. Assessing their value is...

Fire Dynamics Simulation (FDS) is a numerical simulation method based on physical principles, which can reflect the fire development process and its influencing factors relatively realistically. However, FDS also has problems such as large computational volume and long simulation time. And due to the...

Smoothed particle hydrodynamics (SPH) method is a new developed numerical method. The paper studies two-dimensional steady and unsteady flow based on the SPH and considered a variety of conditions. SPH is applied to orifice outflow. The feasibility of model is verified though the comparison between theoretical...

Fiber orientation is an important factor affecting the filling process of resin transfer molding process. In this paper, a 2-D geometry model was designed for the purpose of finding the flow behavior of the resin in the mold filling stage. The case of constant injection rate was studied in the designed...

Railway fastener detection is an important task in railway maintenance to ensure safety. However, the earlier detection methods based on computer vision have good performance on missing fasteners, but they have weaker ability to recognize the partially worn ones. In this paper, we exploit the axis-symmetrical...

with the increasingly growing environmental crisis represented by haze in recent years, China is bearing more and more pressure on reducing fossil energy consumption and emission of greenhouse gas. The reform on green tax system represented by environmental taxes is not only imperative to speed up the...

In this paper, we propose a community-based message cache management strategy, which can adaptively control the copy of the control message. In this paper, we propose a community-based message cache management strategy, which can adaptively control the copy of the control message. In this paper, we propose...

Friction stir welding (FSW) was conducted on three kinds of Al-Mg alloy of different magnesium content. Vibration fatigue life under resonant frequency was obtained according to the test standard of plane bending fatigue testing of metal plates. The crack propagation characteristic of the sample was...

Smart alloy, which is typically called a shape memory alloy (SMA), have wide application in industry such as in aircraft, spacecraft, automotive, robotics, in civil structures, piping, medical field, engines, due to its shape memory effect, biocompatibility, strong resistance against corrosion, anti-fatigue...

This study focuses on the synergy effect and communication power enhancement strategy of cross-platform art communication, and integrates multidisciplinary theories to construct a research framework. The paper deeply explores its synergistic innovation points by analyzing the mechanism of cross-platform...

In this paper, based on the traditional homotopy analysis method, we have successfully proposed a new analytical method, namely the piecewise perturbation method (PPM), for solving nonlinear problems. Here we introduce the idea of Newton iteration into the traditional homotopy analysis method to revise...

Currently, the ubiquitous application of navigation receivers prompts the development of signal simulators which can be used to test the performances of such receivers in various conditions. But tradition simulators cannot really restore the satellites' circulating conditions, which is not persuasive...

This paper uses the panel data of China's Retail Listed Companies in 2011-2015 years, and uses the principal component analysis to build development index of retail in China. The results show that: firstly, the development index of Listed Companies in retail is the trend of decline in the 2011-2014 years,...

The semi-integrated analysis method was used extensively in the design of offshore wind turbine in China. Recent researches have proved that the wave loads and sub-structure responses have significant effects on the aerodynamic loads of the blades especially in the operation conditions. In order to take...

Adsorption method of purify water relies mainly on the adsorbent to adsorb the impurities in the water, this paper introduces the latest research progress both at home and abroad, such as activated carbon, chitosan, zeolites, clay minerals plant-based, industrial waste . These adsorbent type will play...

This study takes the “New Silicon Valley” Hangzhou to discuss the relationship about the resources and development. The resource-based view provided a systematic approach for analyzing the role of Hangzhou in terms of its potential sustained competitive advantage in technology development. In this study,...

Most of the human destruction can be attributed to the ethical rules sabotage. Existing methods are mainly conduct to property calculation or structure measure of the malicious program code, lack of weighing from ethics rules angle. This paper proposes a network threaten detection algorithm to measure...

Analyzing the main factors effecting prevention of coal and gas outburst of multi crosscuts united coal uncovering for highly outburst seam of deep, the thesis proposes comprehensive outburst prevention measures based on regional governance measures and supplemented by local governance measures to realize...

by developing a start-stop system of a BSG motor, this paper systematically presents the vehicle control principle, strategy and verification and assessment indicators of the start-stop system, and applies it successfully in a motor. Exhaust emissions and fuel-consumption tests of a vehicle were performed...

Large amounts of data of plantar pressure measurement being collected by device which placed in the museum, the purpose is to observe and analyze plantar pressure distribution if within the scope of the health value. About 36000 healthy visitors are invited as the subject of this project. Participants...

CNC grinding machine is the most commonly used finishing machine, lathe bed is the foundation of the machine tool key parts, as well as the guarantee for the machine tool dynamic stiffness. Taking a CNC grinding machine lathe bed as the research object, using Pro/E software to create the geometry model,...

At present, Non-Uniform Rational B-Spline(NURBS) curves are mostly used to generate arbitrary contour of a complex shape in the CAD field. In this article, a new method with NURBS technology is presented and realized in a location and federate controlling system. In the method, the tool paths and the...

The mass sensitivity of the quartz crystal microbalance is analytically calculated for various configuration and various thickness of electrode. The data indicated that both the configuration and the thickness of electrode are influence the mass sensitivity. For the conventional electrode structure,...

This paper is a review of the recent research about the design of cache coherence protocols in shared-memory multiprocessors. Two important aspects of shared memory systems are memory consistency and cache coherence. Two major available protocols for cache coherence problems are snoopy coherence and...

With the rapid development of mobile communication technology and the growing popularization of smart phones, micro learning is a brand-new learning method under the change of lifestyle and the coming of MicroAge. In this paper, we will apply this learning method on Data Structure and design a model...

This paper based on the research of the ecological element in the landscape design of campus roof garden. Using the related theory of city planning, campus planning and behavioral psychology theory combined with the basic design principle of buildings on campus roof space, put forward the design proposal...

This paper explores classification of datasets for Healthcare 4.0 using artificial neural networks which are tuned by improved sine cosine algorithm (SCA). Healthcare 4.0 themes include internet of things (IoT), industrial IoT (IIoT), cognitive computing, artificial intelligence, cloud computing, fog...

Infrared weak small target detection is one of the key technologies in the infrared early warning system, infrared imaging guidance system and wide-field view surveillance system etc. In the complex and low signal-to-noise ratio background environment, the target has only a few pixels. There is no shape...

The deformation control of surrounding rocks is one of the key problems in deep mining, especially floor heave control. In view of coal mine disaster caused by roadway surrounding rock under complex geological conditions, the lack of special mechanical control technology and equipment, the construction...

Based on researching induced delay longer than sampling time of network control system, major problem is due to network communication system model uncertainty that leads to poor control performance. Active disturbance rejection control (ADRC) that based on Uncertainty model is used in this paper, network...

By comparing the existing casting defects diagnosis methods, a set of .NET-based casting defects expert system has been developed which analyzes the causes and countermeasures. By storing the defect classification knowledge, coding defects in the SQL database, and using guide form programmed in .NET...

This paper analyzes the advantages and disadvantages of the human motion capture, and proposes a wearable human motion capture system based on multi-sensor collaboration. Studying the principle of inertial navigation, through wireless network collaboration form base on multiple sensors (MEMS inertial...

The paper considers the problem of the analysis of patents' figures for formalization of subjective opinions of the patent office experts that reviews applications for inventions. Drawings omission may indicate an incomplete description of the invention and entail the rejection of patent applications...

LED lighting products play a very important role in energy conservation and environmental protection. For the multidisciplinary design problem of LED lighting products, we establish the information model of LED lighting products based on the object tree, that is , a process and two trees. First we build...

Titanium alloy as the main material of aerospace vehicles, its application is becoming more and more widely. Because of its high intensity, active chemistry and low elasticity the difficulty of processing is attracting more attention in machining field. The machinability of titanium alloy is analyzed,...

In order to get the accurate resistance of planning vessel at high speed, we should consider the hull gesture variation during voyage. Based on CFD, coupling solves RANS and ship motion equation to capture the ship navigation attitude and resistance. The numerical calculation gets the resistance and...

Each port has a same buffer in typical network on chip input ports .Under the condition of the imbalance load in the work ,there will be a port all buffer used and some other ports has many idle buffer .It will reduce the NoC buffer utilization ,then influence the NoC overall performance .In this paper...

With the development of China's economic development, the waterborne transportation plays more and more important role. However, ultra-draft issues in inland shipping are becoming a big problem which will bring unsafe factors and affect the efficiency of inland navigation. Thus, ship waterline inspection...

In order to improve the availability in space domain and raise time efficiency of the algorithm, increasing more FP-array to decrease the traversing of FP-tree in this paper. It has put forward to applying the node switching strategy to generate more packed FP-tree. It has come up with increasing more...

In this paper a distributed testing system is designed, which provides a mechanism of node communication, test script deployment, test scheduling, execution-driving and test result collection in distributed environment. A workload model is established, by which testers can describe the performance testing...

Software testing is one of the most important means that guarantee software quality and reliability. Meanwhile, improving the automation level of testing is also very important to ensure software development quality and decrease software development cost. DO-178B provides the different criteria of structure...

ZigBee technology is a two-way wireless communication technology. In recent years, wireless sensor network technology based on Zigbee technology has been widely used in many fields, such as environment monitoring, medical care etc. This paper mainly introduces the Zigbee technology, and the Zigbee wireless...

When the disks of the rod fastening rotor were contacted with each other, the contact thermal resistance between the contact surfaces would play a critical role in heat transfer and the distribution of temperature field. On the basis of the surface fractal characteristics, combining Mandelbrot - Tian...

With the development of society, there are new demands for the generate methods and the restriction for the impact on the environment. To improve the traditional centralized power generation pollution and low efficiency problems, the distributed generation has been presented. Although distributed power...

The fingerprint-based wireless local area network (WLAN) positioning has gained significant interest in recent years. Indoor localization methods based on WLAN and RSS with advantage of low cost are most widely used. In this paper, we propose an improved indoor positioning method based on Affinity Propagation...

In recent years, the Loyalty Program Partnerships has got a lot of achievement, but what kind of benefit can get from the alliance need in-depth research. It is a very important topic to company whether they should join the Loyalty Program Partnerships, when should they practice join the alliance. How...

The article discusses the basics of the methodology for integrated evaluation of the effectiveness of e-businesses on the basis of qualimetry. Using of this methodology will identify the problems and prospects of e-business's evolution, develop evidence-based programs to improve its performance. It discusses...

This paper uses household data of CHFS 2012 to discuss the demographic effects of Chinese urban families on the choice of assets and debts. We use the standard Probit model to test the determinants of family's assets and liabilities and the Tobit model to analyze the determinants of the amount of household...

Coverage area and network lifetime are major problems in wireless multimedia sensor networks (WMSN). In order to optimize the network coverage and maximize the network's lifetime, we propose a coverage-enhancing algorithm based on sensors' priority. To increase the lifetime of the network, the density...

Using historical water level data to establish a model to estimate the future water level is a common means of water level prediction. In this type of method, the accuracy of water level prediction is closely related to the quality of historical water level data. However, due to measurement accuracy...

In this paper, a wideband dual-polarized stacked patch antenna at S-band with high port isolation is presented. By adopting the structure of H-shaped coupling slots placed in "T" configuration, the proposed antenna achieves dual polarizations and high port isolation, and the impedance bandwidth is significantly...