Advances in Computer Science Research

Several different Li+-imprinted gels were prepared by different precursors. And the gels were characterized by textual properties and point of zero charges (PZCs). The adsorption of Li+ from their aqueous solutions by the gels was investigated. The surface areas of the gels were found to range from 60...

The placement of the wireless sensor networks in the wild or the unpopulated area makes it difficult for energy supplement, and vulnerable to damage, so it is of great importance to improve the overall network energy efficiency and prolong the maximum life cycle. In consideration of the energy consumption...

Logistic distribution is one the most important parts in logistic industry, its core is to get the shortest transportation route of car. This paper makes mathematical modeling on distribution route of logistic car, constructs target function and constraint condition. It makes analysis on realization...

This paper presents an integrated passive sensor tag for intelligent concrete temperature control. The sensor tag is based on EPC Generation-2 UHF communication protocol and operates in passive node. Except the antenna and matching network, the other blocks including RF/analog frontend, digital baseband,...

QKD (quantum key distribution) is core of quantum communication, it is not only the most extensive range of applications, and can also be served as a basis for other branches. In this paper, the theoretical basis and the basic idea of quantum key distribution has been described. Focus on several quantum...

Today’s Internet remains its original design that dates back more than three decades. In spite of tremendous heterogeneous networks and large scale of mobility devices, it still provides a single, basic, unreliable service offering. While this legacy architecture seemed so hard to support the requirements...

In view of the shortcomings of the test data generation algorithm including particle swarm optimization algorithm and ant colony algorithm, a new algorithm is proposed, which is based on the combination of particle swarm algorithm and parameter adjustment. This algorithm can dynamically adjust its search...

The services carried by the Internet have undergone tremendous change over the past decades, along with the emergence of multimedia services and cloud computing, etc. However, there is little change in the framework of network designed primarily for reliable end-to-end communication, which is not suitable...

Mobility pattern of users is decided by people themselves. However, in the daily life, mobile users often repeat regular routes in certain periods. To effectively mine the mobile rules of users and allocate the resource among mobile telecommunication operators and Internet Service Providers (ISP), grasping...

With the advent of the smart clothing, wireless body area network(WBAN) has became particularly important as the information perception stage of smart clothing. Firstly, we introduced the conception of the smart clothing and the wireless body area network briefly. And then we analyzed many traits about...

In this article, a new method is proposed for the parallel of digital image processing algorithms. The method will transplant parallel the image matching algorithm based on cross correlation to the digital image processing platform.

To transmit data reliably and effectively in deep space network, a protocol called NCSTP was proposed, introducing network coding mechanism into space communication. However, the NCSTP cannot make an effective response to the burst packet loss characteristic in InterPlaNetary (IPN) network. Therefore,...

Aiming at exploration and development capacity, it is usually hard to achieve effective utilization and balance by using just one algorithm, which will influence the solving accuracy and efficiency of the algorithm accordingly. This thesis applies particle swarm optimization (PSO) to discrete multi-objective...

This paper researches the integrated optimization of flexible job shop scheduling problem (FJSP) and equipment maintenance plan. The object of the integrated optimization model is to pursue the minimum of makespan. The paper proposed a two-stage algorithm based on the genetic algorithm to solve the problem....

We investigated the effect of lactoalbumin on the processing properties of vulcanized rubber by adding lactoalbumin protein. We found that G’ and G’’ of vulcanized rubber were increased and tan was decreased by adding lactoalbumin. The addition of lactoalbumin can improve the processing properties of...

Ammonia and HTT were compounded and tested as a novel preservative system for concentrated natural rubber latex (CNRL) to replace traditional preservatives. The preservation effects and the viscosity of prevulcanized CNRL were measured. After preservation treatment, the drying characteristics, the mechanical...

On the basis of cadre management business requirements analysis in colleges and universities, this paper designed and developed one colleges and universities cadres management system with a set of user management, cadres management, cadres ability evaluation and system management based on J2EE platform...

In the process of surface reconstruction, the least squares fitting surface often produces singular matrix and it will cause a failure surface fitting. In this paper, we propose a new surface reconstruction method based on hierarchical surface. We first construct a low-order surface to interpolate data...

Radio frequency identification technology has characteristics of non-contact, flexible radiation direction, efficient speaking, reading and writing data, large information storage capacity, which has attracted many researchers to introduce library information management technology into the library in...

Pocket closet is mobile application software developed based on Objective - C language, which can help users manage a wardrobe. When users don't know how to match clothes, the software recommends collocation through user testing results; Users don't have to dig out tie-in dress, but through the software...

Enterprise network virus protection system directly affects the interests of the enterprise. A large number of external and internal network security problem data show that enterprises improve the requirements of network security in order to protect network resources of the enterprises. This article...

The emergence of the Internet led to a period, also brought a lot of convenience to people's life, and the wave of Internet online shopping has gradually become another mainstream network service. School students now do not have a very good handling for second-hand resources, which not only wastes the...

In this paper, a software interruption-based method is proposed so as to improve ECC processor’s capability against DPA attack. Firstly, we analyze the principium of DPA-resilient time-randomizing. Secondly, combined with operational characteristics of ECC processor, a time-randomizing circuit is put...

In order to meet the requirement of agility in Command and Control system, a concept model and a development pattern of agile C2 system are proposed. The core characters of agile C2 system are operations mission driven and the cooperative structure adjusting of the system resources. A building method...

Since cloud computing could be understood only by specialists, it is necessary to write a clear but not complex description regarding knowledge to promote common people understanding this technology. This paper refined three essential characteristics of cloud computing, analyzed both software and hardware,...

Since the successes of the Artificial Intelligence might increasingly impact on multiple subjects in new millennium, it is necessary to write a summary of the recent development of this technology. This paper refined four essential and important aspects of the Artificial Intelligence, summarized both...

Synthetic aperture radar is a vital tool for imaging and remote sensing regardless of the villainous weather. Polarimetric synthetic aperture radar obtains the polarization characteristic of targets through polarized wave. This paper presents a novel technique, the combination of digital beamforming...

Intelligent mobile platform is as a mobile wheeled robot driven platform, which has important research significance for the research of mobile robot. In the paper, STC89C52 microcontroller is adopted as the main controller, and an intelligent mobile vehicle is designed combined with the photoelectric...

With regard to the existing test case priority algorithm rarely focusing on the static covering condition of test case and other design information, as well as the testing person need to online collect relevant information about each statement in the procedure, and a higher dependence on code information,...

Affected by the global climate change, storms, droughts and other extreme weather occur frequently in recent years. This extreme climate affects the Yangtze River a lot, leading to extreme water levels of Yangtze River occurrence frequently. Changes in extreme water level of the Yangtze River have a...

In an indoor environment, such outdoor positioning technology as GPS may have the phenomena of weak signal strength and poor availability due to construction blocking. As a result, the application of Zigbee wireless sensor network becomes a hotspot of the indoor position research at present. Specifically,...

The campus information portal based on Liferay is the entry point of the entire digital campus. It integrates the functions of the identity authentication and the user interface. The system can be integrated in the campus, so that users can easily publish and share information. Provides the service with...

Along with the increasingly mature computer technology, various computer systems with complex structures and strong functions have been widely applied to such key safety fields as aerospace, communication & transportation, medical treatment & public health and nuclear power energy. In case of system...

An excellent Android application shall not only have perfect function, but also have good user experience. Actually, performance is an important factor influencing user experience. Memory leakage is a common performance problem in Android development, and DDMS with a good memory monitoring tool Heap...

Quality of software requirement is an important factor to safety of aviation equipment software. With the increase of software complexity, Artificial software requirement analysis is difficult to find requirement defect caused by multi state combination, multi fault concurrent, multi condition conflict...

By the way of build a new model to intuitively response the temperature changes in the refining furnace, using the results of the temperature changes to control the output of the current, and achieve the purpose of accurate control and not waste resources. Combining temperature prediction with this model,...

The water polluters of Liao river basin in Jinzhou is elected preliminarily basing on the basin of the key water polluters of Jinzhou city, combining with the principle of polluters screening and the computing method of equal standard pollution load, optimizing and assessing the indexes which involves...

The tracking and speed measurement of floatation froth is important for the control and optimization of floatation industry. A new tracking and speed measurement method based on features and spatial relationship is proposed in the paper. The salient bubble objects are extracted from frames, and they...

With the wide application of the autonomous ground vehicles (AGVs) in the military and civilian areas, the autonomy requirements such as autonomous self-awareness, self-planning and self-control are increasingly considered. The autonomy evaluation has been one of the key issues in the research of the...

After analyzing the superiority and the deficiency of K-means clustering algorithm, the author put forwards the IDS based on the 2-SVM, according to the research achievement on SVM in the field of IDS. The result shows that this algorithm can avoid the problem of decreasing detection rate by local optimum...

TV White Spaces (hereinafter referred to as the "TVWS") is the radio spectrum has not been used, is assigned to using in broadcast television. TVWS has the advantages of high transmission distance, strong penetrating ability, not easy to be absorbed by water, large amount of transmission unit data, etc.,...

The vector control of interior permanent magnet synchronous motor (IPMSM) needs detect the position of rotor. In this paper, the position sensor of IPMSM is rotating transformer and we designed the decoding circuit based on AU6802N1.At last, we measure the rotor position through the control system based...

At presently the most widely used algorithm is collaborative filtering in the Personalized Recommendation Systems for E-Commerce. Aiming at the problem that the recommendation is not accurate due to the data sparsity, a collaborative filtering algorithm based on user characteristics and item attributes...

In this paper, the author discussed the current popular the grid computation technique and the virtualization technology, analyzed and concluded characteristic of two technologies. Then, VNET has been proposed, which can add the virtual machine to the network efficiently. It can dynamically modify its...

This paper establishes a three-dimensional maritime search and rescue plan by integrating a differential equation model, a global optimal model and an area partition algorithm. Based on the data of flight data and the loss time of communication for MAS MH370, we establish a differential equation model...

In this work, the ground-based GPS data in the West of Taiwan Strait was used to remote sense atmospheric Precipitation Water Vapor (PWV) in Fujian, and dynamically analyzed the spatial pattern change characteristics of PWV, combined with meteorological data, in order to quantitatively analysis the relationship...

In recent years, infrared trigger cameras are widely employed in the fields of wildlife monitoring and protection as they can collect massive image data. It is of great realistic significance about how to conduct automatic processing of these image data and extract key information. This paper has a detailed...

Based on cloud computing architecture and future network service resource architecture using the OpenStack open source framework, design an Service Innovation Platform which can manage development tools and application programming interface in many aspect. Maximum collecting the dispersed, isolated service...

The detection of interface between water and oil is of great significance for the heavy oil exploitation. However, the existing detection techniques have some drawbacks, such as poor efficiency and low accuracy. A new interface detecting method based on the Heat Transfer Rate between oil and water is...

An interface detection method based on fusion boundary enhancement is proposed, and can be used to extract the oil water interface in the test tube accurately. Boundary extraction is carried out by using differential operators, morphological operations of image processing. The fusion of Sobel differential...

Named Data Networking is a future Internet architecture which enables content retrieve and access by its name. Different from the current network, Named Data Networking is more like a distributed network. Nevertheless, users do not know name of the content. In this paper, we present a Keyword-based NDN...

The research of CAPTCHA recognition can discover the security vulnerabilities of CAPTCHA in time. It has great significance in improving the CAPTCHA design method and promoting the design level of CAPTCHA. Text-based CAPTCHA recognition mostly uses the method of characters segmentation and recognition....

Image processing is widely used in many fields,in image enhancement processing,traditional image enhancement method,such as histogram equalization, wavelet coefficient enhancement,and so on.Although these methods achieved good image enhancement performance,however,noise is amplified during image enhancement...

Because of fast moving of VANETs node and dynamic topology structure, the traditional wireless self-organized routing protocol is difficult to be directly applied in VANETs. Therefore, the routing protocol of hybrid traffic information perception is proposed. Through the collection of real-time traffic...

Personalized recommendation systems can help people to find interesting things and they are widely used with the development of electronic commerce. Many recommendation systems employ the collaborative filtering technology, which has been proved to be one of the most successful techniques in recommender...

In the Internet environment, software gradually moves from closed, static and controllable status towards open, dynamic and unpredictable state. How to propose suitable software theory for such adaptive software has become the challenging issue facing the computer science and technology. Applicable formal...

The limestone Detection System is developed by Qt assisted by Qwt and Modbus protocol based on Linux platform. The system can detect activity of limestone and PH value in real-time. This article begins with a brief description of the background and the functional requirements of the system, given the...

With regard to the existing test case priority algorithm rarely focusing on the static covering condition of test case and other design information, as well as the testing person need to online collect relevant information about each statement in the procedure, and a higher dependence on code information,...

Aiming at characteristics of wisdom scenic, based on semantics Internet of things technology, we have realized a kind of scenic intelligent information service system which integrates various functions including scenic guide, environmental information perception, etc in one, designed system architecture...

This supermarket management system has realized the transmission and control of large goods, so as to facilitate the management and decision of sales, and reduce a big burden for supermarkets and supermarket managers. It also can help to improve the work efficiency of supermarket. Its requirements is...

Good development framework can improve quality of software development. This paper makes research based on the MVC software design model, after thorough analysis of the current mainstream of three technical framework, combining with their characteristics and advantages to construct SSI fusion framework...

In this paper, the vector control theory of PMSM is studied, and the double closed-loop control system of PMSM is designed. By analyzing the mathematical model of PMSM, vector control principle and control strategy based on vector control, the control strategy and realization method of this paper are...

This article proposes a tracking algorithm based on mean shift and particle filter according to the characteristics of moving vehicles. Firstly, the algorithms establish auto target motion model that the core is RGB color histogram. Secondly, using the Bhattacharyya distance measures similarity of particle...

This paper investigates the microstructure and friction-wear behaviour of Scapharca subcrenata in order to obtain useful information regarding the tribological properties of composite materials. The experimental results have showed that the relationship between the friction rate and surface roughness...

This paper investigated the microstructure and composition of Argopecten irradians through X-ray diffraction (XRD), field emission scanning electron microscope (FESEM) and energy spectrometer (EDS), and measured the hardness and tribological properties of Argopecten irradians using nanoindentation and...

As a solid state joining process, friction stir spot welding (FSSW) has a strong potential to be applied in the aerospace and automotive industries. Mechanical property of the FSSW joint takes important influence on connection performance. In the present paper, numerical simulation model of mechanical...

In order to study the mechanical performance analysis of double-layered high-strength stirrup confined concrete columns of different cross-section, using ABAQUS of finite element software for numerical simulation and experimentally comparison methods to analyze different stirrup characteristic value...

The present study reports that a modified coaxial electrospinning process, which was successfully carried out to control the diameters of shellac fibers. With a Triton-X100 in ethanol as sheath working solution and shellac ethanol solution as a core electrospinnable fluid, the coaxial electrospinning...

The virtual prototype of circular vibrating screen was Established, and the overall structure and working principle of the device were described in detail.The natural frequency of circular vibrating screen was obtained by using finite element analysis software ANSYS to modal analysis,which can provide...

Physical, chemical and mechanical properties of some abrasives such as diamond, CBN are described in this paper. The preparation and application of ultra-hard oilstones such as diamond and CBN are also discussed. They are widely applied in honing and promote great development of honing technology. However,...

A soft bulletproof layer is made by utilization of the newest domestic Ultra high molecular weight polyethylene fiber, and by composing float-assisting and puncture-proof functions, multifunctional float-assisting, bulletproof, puncture-proof composite clothes is developed, according to the current flaws...

Colored non-slip surface coating has an important role in the prevention of traffic accidents and obtains more and more attention and application. This paper based on chemical reaction principle of poly methyl methacrylate with a curing agent to produce a fast secondary crosslinking reaction coating...

It established APD(Air power drive) starting drive dynamics model. The APD system is put forwarded to improve the vehicle starting drive efficiency. We analyzes the APD working principle, adds a air power and researches for the basic simulation of control model with slip-rate based on PI control theory....

Aiming at the issues that the big intensity of labor, large number of workers, low product efficiency and the quality refractory in the fire-proof material production enterprise in casting sprue clay pipe production pipe molding process in subsequent processing. A system of cutting and stacking of casting...

In order to improve the accuracy of fault diagnosis, this paper puts forward a method of wavelet packet combining neural network fusion. By wavelet packet decomposition and reconstruction of normal and fault vibration signals of aero-engine rotor, the feature vector from the vibration signal can be extracted....

Epoxy/graphene nanoplatelets(EP/GNs) composite was prepared by ball milling(BM), using diglycidyl ether of bisphenol A(DGEBA)as matrix, Diethyltoluene diamine(DETDA) as curing agent, GNs as thermal conductive filler. The mechanisms and influence of different BM time to exfoliate layered GNs and compound...

Laser cleaning of the mildew on the optics lens with economical and ordinary Diode laser has been studied in this paper Mucor and Penicillium are the simples tested in the experiments. The mechanism of laser cleaning them is thermal effect through the interacting of photon and mildew It is demonstrated...

According to the problem that the quality assurance of acrylic is not reliable, we use the Michelson interferometer theory to build a Spectral-Domain Optical Coherence Tomography system composed by reference arm, sample arm and spectrometer. Obtaining the 2D and 3D pictures, then measuring the thickness...

Start-up mark is an important factor leading to woven defects. The reasons of start-up marks were discussed. At present, cloth fell displacement is a main factor to produce start-up marks for a loom. The relationship between cloth fell displacement and its influence factors were studied. Intelligent...

A new method is presented for variable duty cycle of photovoltaic subregional maximum power point tracking(MPPT).It has combined the advantages of the popular MPPT method ,In different areas of photovoltaic power generation using different duty cycle control method, Optimization of the target area using...

With the continuous expansion of universities and increase of school scale, workload of textbook management staff in college become more and more heavy. Using the traditional manual record has been unable to meet the demand, this paper study the design of college textbook subscription system based on...

In allusion to such problems in the athletic performance prediction as “poor information”, “small sample” and “dynamics” difficult to solve through traditional statistical methods, the application of the grey model will more effectively and accurately solve the above problems. However, the application...

The best annual performances of the world women’s pentathlons during 2005~2013 are statistically collected in this article, and the prediction of the best performance of the world women’s heptathlon in 2013 is taken as the research object. According to the best annual performances of the world women’s...

Data fusion is one of the research hotspots in the field of wireless sensor network. In allusion to the problem of excessive energy consumption of existing fusion methods, a data fusion scheme with minimized energy consumption is proposed in this article on the basis of the compressed sensing theory....

Volatile phenols are a class of protoplasmic toxicants which have caused inevitable environmental problems in many sea areas. This paper analyzed the content, pollution level and distribution of volatile phenol in bottom waters Jiaozhou Bay in May, September and October 1983. Results showed volatile...

This paper analyzed the contents, distributions and pollution sources of As in Jiaozhou Bay waters in 1983. Results showed As contents ranged from 0.19-4.89 g L-1,in the whole year, and were lower than Class I for As (20.00 g L-1) in National Standard of China for Seawater Quality (GB3097-1997). There...

We analyzed the spatial distributions and seasonal variations of volatile phenols in the bay mouth of Jiaozhou Bay in May, September and October in 1983. Results showed that volatile phenols contents were changing by means of vertical water’s effect. Volatile phenols contents in surface waters were in...

Today, Advanced Persistent Threats have become typical network security threats. However, traditional methods of defense such as rule matching, virus database and vulnerabilities database can only reflect the characteristics of the known attacks. For the unknown APT attacks hidden inside the system,...

The existing security policy description languages can’t support distributed policy self-management and have some problems in the aspect of describing capability, extensibility, portability and other issues. Against these problems, this paper proposes a security policy description language SPDL for distributed...

The optimization of maintenance interval of new equipment by simulation is brought forward according to related maintenance requirement and reality. According to the features of equipment, the basic hypothesis that failure rate increase linearly, deteriorate coefficient is opted to adjust failure rate...

A communication network can be modeled by a graph, whose vertices represent the nodes and edges represent the links between sites of the network. Therefore, various problems in networks can be studied by graph theoretical methods. The vertex integrity, the edge-integrity not only give the minimum cost...

Power Enterprise Operational risk is a major issue for the power companies. Based on the study of operational risk index system of domestic and international power companies, using the Delphi method to determine the power of operations risk assessment index, then using AHP and fuzzy set theory to determine...

Currently, the Top-k keyword search of uncertain XML returns only the top k probability value of the root node. We need further processing to constructed the sub-tree that it meet some certain conditions. To solve this problem, this paper defines a new Top-k query semantics SRRT-Top-k that based on the...

As to solve the issues of insufficient training data and initial parameters sensitive in existing protocol anomaly detection based on hidden Markov model, presenting a new protocol anomaly detection method based on improved genetic algorithm and hidden Markov model. First, the local competitive selection...

Intelligent circuit breaker is one of the most significant devices in the electric system, and its stability and reliability are quite significant for the operation of the power grid. An online monitoring and fault diagnosis system based on the vibration signal of virtual instrument technology is proposed...

The automation and intelligence of the overhaul technology are related to the level of the whole substation automation and intelligence. Aiming at the problems of low automation level of substation high-voltage equipment overhaul, this paper mainly studies robot-based live overhaul technology. The design...

In this paper we propose one method for mechanical vibration signal analysis. The given mechanical vibration signal is firstly decomposed into several intrinsic mode functions (IMFs) by the empirical mode decomposition (EMD) method. The Hilbert transform of each IMF, calculated by a recently developed...

Cyberspace has become an important domain the same as the land, sea, air and space. Many cyberspace models were proposed to explain such a high coupled complex domain, but lack of practical method of construction these models make them hard to function. This paper proposes an event based method of construction...

This paper presents a terrain rendering technique for large, textured terrain, which uses Parallel-based error metric. In a preprocess, the domain was first tiled and computed into a nested geometric space error map based on geographic theory, taking the advantage to save displaying memory with terrain...

Lots of image resizing algorithms that based on seam carving belong to the discrete resizing methods. Seam-carving algorithms refer to delete or insert pixel lines in order to resize image’s size. Pixel lines horizontally or vertically pass through the whole image, deleting the pixel line to make the...