Advances in Computer Science Research

In order to strengthen the study of complex war issues in the era of intelligence, the idea of using virtual reality technology as a bridge to connect artificial intelligence and complex warfare is proposed. By analyzing the characteristics, classification, and development of virtual reality technology,...

As for resource-limited embedded devices, lightweight TCP/IP protocol (LwIP) is used for communication in order to meet real-time requirements of embedded devices. This paper offered and implemented a single-phase inverter solution based on lightweight TCP/IP protocol. The designed hardware circuit of...

For the weakness of the existing predistortion algorithm, when large amplitude component in the modulation signal which is more than the voltage in saturation will be limited, leading to predistortion algorithm become invalid, and a new joint RF power amplifier (PA) linearization method is proposed....

In this paper, firstly, application areas of Operations Research are introduced. Some computer tool-kits used to solve OR problems are outlined, together with some programming languages, which can be used to model and solve the optimization problems. Secondly, an optimization programming language-IBM...

With regard to two dimensional Direction-of-Arrival (2-D DOA) estimation in sparse array, this paper presents a singular value threshold based estimation of signal parameters via rotational invariance technique (SVT-ESPRIT) algorithm. Firstly, a signal model of DOA estimation based on matrix completion...

Up to date, the Internet industry has done a lot of research on malware analysis, which brings in effective malware detection. However, in terms of familial communication feature extraction and detection, a very mature product has yet to be seen. Given this situation, this paper tries to establish an...

This paper explores the aerodynamic performance of an inflatable wing in aircraft using both theoretical and experimental methods. The theoretical analysis is based on inflatable structures and the existing simple pressure vessel equations for the necessary structural analysis. The present work also...

With people's long-term exploitation, reserves of fossil fuels are continuously reducing, then in order to meet demand of social development for energies, developing renewable clean energies has attached with more and more importance. Biomass energy is renewable and environmentally friendly, so it has...

A novel multiple watermarking scheme was proposed, which could embed the reversible watermark in ROI (region of interest) by improving the Ni's algorithm, and the robust watermark in non-ROI by quantizing the low frequency coefficients. The watermarks can simultaneously achieve copyright protection and...

As a vital part of Intelligent Transportation System, License Plates Recognition System is meaningful in Vehicle Positioning and Traffic Monitoring. It consists of Vehicle License Plate Location, Character Segmentation and Character Recognition. In the paper we put forward a new method of segmentation...

In WMSNs, compared with the complicated media processing task the energy of node is very limited. In this paper, we use ROI coding of the image to decrease the requirement of the energy, and propose a feasible, effective framework to prolong the life time of the network.

The structural parameter of excavator attachment plays an important role in the structural design, so it is very important to select the most dangerous working condition to improve the structural strength by optimizing the parameters. However, the previous traditional dangerous condition comes from specialized...

Course design for electromechanical system is one of the most important and difficult points in college teaching process. In this paper, the large grinder recirculation cooling system as the sample, the hydraulic cooling system is built to solve the problems of low cooling efficiency, high failure rate...

Constraint satisfaction problem are widely used in the artificial intelligence field. We study the coarse-grained arc consistency algorithms of the Constraint satisfaction Problems. We find that variables whose degrees or domains are 1 have invalid revises which can be removed in the process. We demonstrate...

The apple image segmentation is the key technology of identification and location in the apple-picking machine vision system. On account of huge errors in the process of discriminating fruits by apple-picking robots at present and the long-time processing, the SVM theory in fingerprint image segmentation...

Polyphase codes radar signals (Frank, P1, P2, P3and P4 codes) derived from linear frequency modulated (LFM) waveforms have been widely used in low probability of intercept (LPI) radar. To solve the problem of higher computational complexity in detection and parameter estimation of the polyphase codes...

With the widespread use of shared bicycles, when sharing bicycles brings us convenience it also brings many disadvantages to urban management. This paper studies the location of shared bicycle parking spots in shared bicycle management problems. Firstly, a robust optimization method is introduced for...

With the extensive applying of long periodic table, the definition of historical transition elements has become styles nowadays from narrow to wide .How ever there are three methods to define transition elements and several sorts of classifying items .It is very important to unify its definition and...

The new reform of college entrance examination has given students the right to choose subjects freely, but it puts forward higher requirements for school resources. This paper establishes the course scheduling optimization model to give the optimal courses arrangement which can help schools use their...

Cloud computing provides flexible services for users because of its sharing and openness, so traditional access control model cannot achieve flexible and dynamic access control in cloud computing environment. In this paper, a cloud-fog collaboration model is introduced. By adding a fog server, not only...

In the live broadcast of e-commerce, users and anchors interact in real time through the bullet screen, so a large amount of user information and data are stored in the live broadcast bullet screen. Effectively utilizing this information and accurately identifying effective users can help e-commerce...

Presently, in the automotive industry, continuous improvement of product and process quality is always challenging and creative task. Many quality techniques were adopted in this field and advantages were also gained. The intention of this paper is to present the possibilities that offers the use of...

The magnetic levitation technique is introduced into the wind yaw system to reduce the yaw power. Permanent magnet in the nacelle and stator winding in tower are designed to suspend the nacelle. And the wind yaw structure including the disc motor rotor and variable speed gear is proposed to drive suspension...

Based on three periods(year 2000, 2008 and 2013) Landsat images and basic geographic data of the region, the vegetation cover change detection of the north-south mountains in Lanzhou city was quantitatively analyzed and dynamically monitored with calculating of the normalized difference vegetation index...

In recent years, molecular imprinting technology rises gradually along with the development of science and opens a new perspective for the study of environmental science. In this chapter, the author introduces the principle of molecular imprinting technology briefly and explores the application of molecular...

Over the past few years, the emergence of cross-border online shopping as a new mode of cross-border e-commerce transactions has not only satisfied Chinese consumers’ needs for cross-border shopping, but also imposed relatively significant negative impacts upon Chinese native enterprises. After phenomena...

The college network public opinion is the vane of the of China the effectiveness of the college students' collective action, based on hot events of the network public opinion structure characteristics of perception and discrimination will directly determine the development trend of Chinese college students'...

The article presents the dynamic model of rating management. To build a management model, a rating assessment model must be previously built. We have constructed a regression model of rating evaluation which includes eight key indices that affect the rating level. On the basis of this model, a dynamic...

Because of the high scalability and efficiency of multicast, more and more people pay attention to mobile multicast. The fast and hierarchical mobile multicast is one of the excellent multicast algorithms, but the transmission path in the fast and hierarchical mobile multicast is not the best. This paper...

Cloud computing is playing a much important role in comparison to other fields of IT, in providing Data storage, Data security, Quality of Services (QoS) etc. Many data security factors have also increased due to the fast evolution of cloud in the IT industry. Therefore many security models and techniques...

The construction industry as a pillar industry of the national economy has an very important role in the coordinated operation of the national economy. Therefore, from the construction industry perspective, it is of great meaning for exploring the coordinated development of the economy. Based on the...

This paper firstly reviews the development process of foreign trade in Fujian province, and secondly, by using the data from 1996-2014, the empirical results show that the increase of foreign trade by 1% will lead to the increase of growth rate by 0.147%. Furthermore, our research indicates that it is...

There is a technique innovation in GNSS receivers. That is to say, the common reference clock is adopted in more than two GNSS receivers and the carrier phase single difference can get the same technical effects as the double difference. This paper expresses in detail mathematical model method and some...

How to make full use of resources in the cloud to efficiently schedule tasks is an important issue in the field of cloud computing. This paper proposes a cloud computing task scheduling algorithm based on optimized Differential Evolution Algorithm(DE), which introduces the initial population model based...

Reverse osmosis (RO) concentrate has been one of the concerned environmental pollution since the RO membrane is widely applied. RO concentrate has a dramatic impact on the useful life of landfill, surrounding soil and ground water. Thus, the RO concentrate is also urgent to be solved. In this research,...

By analyzing and comparison savings calculation method of the heating system, the writer conclude the appreciate calculation methods for different conditions, and find that the method of baseline energy consumption-influencing factors can accurately reflect the energy consumption of heating system. Establish...

With the updating of communication technology, optical communication system is developing towards high speed and large capacity. In order to maintain the continuous flow of information, all-optical network came into being. Firstly, the optical communication transmission system is introduced. Secondly,...

In recent years the network models have been successfully employed for the analysis of the stock market. The network model of the stock market is defined as a full weighted graph, which vertices correspond to the returns of market assets, and the weights of the edges are determined by the measure of...

One of the mollusc phyla and bivalve’s class which is included in the group of invertebrate animals is the giant clam. Giant clams play an important role as filter feeders in the ocean and their clams can be used by various coral reef biota as a place to live. Therefore, it is necessary to manage clam...

When working in high temperature environment, in order to prevent burns, workers need to wear special clothes composed of single-layer or multi-layer fabric materials. This paper aims to study the relationship between the thickness of each fabric layer and heat conduction. By establishing a mathematical...

In the context of rural revitalization, the rapid development of the circulation industry has become an important force in promoting rural economic development and contributing to rural revitalization. Firstly, from the theoretical point of view, the circulation industry can promote the development of...

The air quality in Jakarta is a critical issue affecting public health and the environment. High levels of air pollution can lead to various health problems, including respiratory issues, cardiovascular diseases, and other health disorders. This study aims to predict air pollution levels in Jakarta using...

This study verified the sterilization effect of the low pressure pulse magnetic field on the fruit juice products. According to the sterilization effect test of low pressure pulse magnetic field equipment on fruit juice, the results showed that the low pressure pulse magnetic field possessed a bactericidal...

This study concentrates on introducing IaaS (infrastructure as a service) cloud computing infrastructure into the physical server for an enterprise. We build several virtual machines to simulate the system architecture on a high computing power server. The virtual machine is implemented on windows server...

For those people who have just graduated from high school and become a major of Business English in a college, and who have just started a job involving dealing with correspondence in English, they have to know the fact that it`s not easy to use English language to write a letter in a concise manner...

The design and development of distributed simulation systems are a complex process, and the Domain Specific Modeling (DSM) methodology is progressively gaining popularity as it uses domain knowledge directly to specify systems in a higher level of abstraction. In this research plan an Eclipse Modeling...

By analyzing the present situation of Jiaju Tibetan Village in Sichuan Province, three issues were found, that is, a) the abrupt change of the traditional building environment; b) the unbalanced proportion of the buildings and its surroundings; c) the contradiction between numerous buildings and local...

21st century is the information age. The research about how to develop pre-career teachers' information technology application ability is becoming a hot topic for research at home and abroad. Pre-career teachers should be trained to improve their information technology application ability, which is the...

The special contradiction of higher education, namely the contradiction between the cultivation requirement of senior specialized talents and the actual status of those who accomplishes the complete secondary education. It’s the fundamental contradiction throughout the process of higher education. In...

IGBTs modules have the characteristics widely used in industry, electric power, smart grid and other fields. But the IGBTs modules in the current working state, the device performance and reliability are facing severe challenges. This paper provides a new design of forming hole current bypass and integrated...

Talent is the decisive factor of national competitiveness, and the application ability of innovative is a core competence of scientific and technological talents in the new period. This article regards applied innovative talents of mechanical design, manufacture and automation as the study object, and...

Each enterprise has its own unique situation, therefore it is unable to adopt a completely unified security control measures. Thus enterprise should have risk characteristic analysis to determine the appropriate information security attributes as well as the control measures. Different enterprises will...

The network intrusion accurate detection problem is researched. In the network intrusion detection process, the classification features of network operation data has poor uniformity, and the error of features classification is large, a network intrusion detection method based on fuzzy classification...

Based on the analyzing for the Pan-logic graph of Pan -Boolean algebra PID control, it is introduced in this paper that a new method of Pan-logic truth table can be used to depict the relations between input and output variables of Pan-Boolean algebra PID controller. By quantizing and grading the controller...

A new dynamic control model for Adaptive Front-lighting System(AFS) is presented in this paper based on pan-Boolean theory. This logical control model for AFS system is based on control practice for AFS system and is consisted by a series of control rules. Combining with PID control arithmetic, off-line...

Network communication is very important in network transmission.With the continuous improvement of Ethernet technique,the transmission delay of Ethernet MAC(Medium Access Control)will influence communication quality of network.This paper realizes correct send-receive of the Ethernet MAC protocol layer...

In order to improve vehicle performance and safety, need to accurately estimate the power lithium battery state of charge (SOC), in allusion to nonlinear characteristic of power lithium-ion battery, presented a method estimation of power lithium-ion battery SOC based on AUKF. Introduced the principle...

The Chinese VLBI Network correlator has been successfully adopted in the China's lunar exploration project for probe tracking. However, due to the probe orbit maneuver, sometimes the error of the predicted VLBI time delay can be quite large. The correlator fringe search module needs new methods to tackle...

The digital channel receiver must have the ability of processing large number of data,A improved digital channel arithmetic is proposed, This algorithm put digital down conversion before decimation and filtering operation .Moreover the algorithm is realized by using FPGA parallel process. The key design...

In this paper, an acquisition algorithm is discussed in parallel combinatory spread spectrum (PCSS) system. The algorithm model is first built. Then, an improved algorithm utilizing multiple correlation peak accumulation under low SNR is proposed. The simulation results show that Doppler offset and PN...

This paper proposes disk failure prediction model using disk SMART technology for information systems, which is based on the actual data, threshold and attribute value of the SMART parameters to establish parameter reliability model, through theoretical discussion and practical test and analysis to choose...

In order to promote the informationization development of experiment course teaching in university, it is necessary to integrate the software resources and the experimental teaching resources scattered in various experimental center and to realize the sharing of resources and effective use. This paper...

With the continuous development of China's Beidou navigation and positioning system (BDS), Beidou wide-area real-time precise positioning system is an important part of Beidou system, meeting the needs of the high-precision location service in various industries of the national economy. Based on the...

As it is both significant and practical to study how the bidirectional wireless power transmission system can be applied to the monitor control of electric vehicle under V2G environment, this paper analyzes how the bidirectional wireless power transmission system works, based on which, probes into the...

Scientific literacy skills are essential for students, as it related to how students can understand their environment and their various life problems. The purpose of this research was to study the dynamics of scientific literacy skills of biology students in histology lectures. This research used a descriptive...

With the rapid development of economy and society, energy depletion and environmental pollution have attracted more and more attention. At the same time, with the indepth implementation of the country’s sustainable development strategy, major auto companies have taken new energy vehicles as a new research...

To ensure the smooth progress of smart community construction, it is necessary to identify the risk factors of smart community construction and clarify the mechanism of interaction between the factors. Based on the WSR methodology, the risk factors of smart community construction are identified from...

Science and technology is the primary productive force, and also the inexhaustible driving force for high-quality development, so the research of technological innovation affecting high-quality development has become the focus of all sectors of society. Comprehensively improving the capacity for technological...

The human face is the most important and significant bodily part that contributes greatly to both human to human and human to machine communication. We always recognize a person by their face, from which we can infer their gender, extrapolate their age, and also deduce certain cultural traits. The technology...

The Internet model is built up and a distributed routing Algorithm is designed,whose time complexity is analyzed. The static network model (SNM) and dynamic network model (DNM) are established and path DB and its replace rules are put forward. The improved distributed routing Algorithm is designed and...

Due to technique advances, wireless sensor networks (WSNs) are widely used in both military and civil scenarios. A vast amount of data is transmitted to the base station through resource-restrained nodes, which are powered by batteries with limited energy. An energy saving routing protocol is fundamental...

Research has shown that the default rate is higher for those countries that implement the mortgage-type loans. Many researchers have tried to address this issue, usually by analyzing the types of repayment collections such as income contingent loans that can minimize the default rate. However, Malaysia...

The function of upload file is an important web page designs. Traditional file upload function for file upload function by HTML form and $_FILES system function, has the advantages of convenience, can cope with a relatively small file upload. The traditional HTML way has been difficult to meet the upload...

The paper describes a technique for the analysis and description of images and its application to the automated interpretation of aerial and satellite images. The image description is formed at the three levels of abstraction (simple, textural and significant objects). At each of the levels the quantitative...

A novel local stereo matching method based on guided filtering and disparity calibration was presented in this paper. Firstly, the three dimensional cost volume was built by computing initial matching costs at given disparity values, and it was enhanced with guided filtering to preserve edge information...

In communications engineering, we often encounter some problems of the data analysis and processing aspects, therefore analysis of engineering data throughout the project has become a crucial part. LabVIEW is a program development environment, it is developed by National Instruments (NI) company developed,...

Credit scoring technology is a kind of statistical model, which is widely used for Risk Assessment scoring for loan applicants, which can predict credit risk of applicants, based on information provided by customers, historical data of customers and data from third-party platforms (sesame score, Wechat...

With the rapid development of cities, the research on urban seismic damage prediction should have a breakthrough based on the modern technology. The paper takes Songyuan of Jilin Province as the research object, and creates a spatial database by field data and Baidu maps. We simulate the earthquake by...

With the continuous and rapid development of the economy as well as the scientific information technology in China, the construction industry has ushered in a new market as a very prominent part of the national economic system. Under the background of the rapid development of both science and technology,...

Aiming at the problem that the color image with more detailed textures is not highly segmented in the image segmentation process, a PKGC image segmentation method based on improved edge detection difference ratio is proposed. The method first constructs an energy function by using a parametric kernel...

The rapid development of numerous emerging network services poses a challenge to the network resources allocation with their bandwidth requirements and statistical characteristics. Network traffic modeling plays an important role in network resources allocation which can be used to guarantee Quality-of-Service...

In order to improve the efficiency of automated storage and retrieval system，expert systems were applied in the optimization of storage management and job scheduling of automated storage and retrieval system. By analyzing the experience of experts in the field, a knowledge base based on production rules...

This paper proposed a advanced delegation agent model based on roles, which was QRBAC(Quick Role-Based Access Control) based on the model of RBAC(Role-Based Access Control). By means of introducing the model's system architecture and defining element of QRBAC, the model has a great application values...

The ideas of psychological health and assistance program of middle school student, its services, benefits are introduced. At the same time, the authors tell what the primary components analysis (PCA) is and the advantages it has. On the basis of PCA model and the scores by the experts, the authors compute...

Ultra High Molecular Weight Polyethylene (UHMWPE) fibers are widely used in all walks of life because of their excellent properties and have attracted the attention of many experts and scholars at home and abroad. Research and preparation of domestic UHMWPE fiber has been for decades, although great...

The purpose of writing this article is the application of blended learning methods in realizing independent learning in the 21st-century era by paying attention to the principles, components and settings of blended learning. Blended Learning is learning that combines the application of direct learning...

Mental health accompanies every human being inevitably and has great significance in helping people address life stress and realize their abilities. However, mental health is also a double-edged sword, which mental health issues can hinder people from carrying out daily activities normally and keeping...

This paper used SWOT quantitative analysis to figure out the SWOT strength of the construction of the "golden waterway" logistics information, and to construct the "golden waterway" logistics information strategy SWOT quadrilateral. Finally, the paper will provide a new thought for logistics information...

This product that can provide distribution services and improve the utilization rate of freight resources. Its construction goal is to use high-tech means to achieve intelligent logistics as the core, greatly accelerating the circulation speed of the goods in the logistics process, reducing manual operation...

A novel approach to achieving user-defined business process based on web modeler is proposed and experimentally demonstrated. The modeler which is based on AngularJS providing MVC design pattern and mainly composed by stencil set, canvas, gives us an opportunity to encapsulate the common elements of...

A novel feature extraction method named blocked winner sequence feature extraction (BWS) method based on SOM is proposed for recognizing large set of Chinese characters. Firstly, a Chinese character sample is blocked to make sub block set according to certain principles; Secondly, every sub-block is...

In this study, a distributed cooperative control law is proposed to attain multi-agent uniform circumnavigation around moving targets. First, we construct a decentralized estimator for each agent to estimate the geometric center of the targets. Then, we develop the distributed control strategy by means...

This article mainly uses the literature data method, the logical analysis method, the expert interview method and so on, combined with the author's research result, summarizes and discusses the training content and the method research of the domestic high school students volleyball athletes, Volleyball...

Interaction of three cationic porphyrins: meso-tetrakis (N-methylpyridinium-4-yl) porphyrin (H2TMPyP), meso-tetrakis (1,3-dimethylimidazolium-2-yl)porphyrin (H2TDMImP), and meso-tetrakis(1,2-dimethylpyrazolium-4-yl) porphyrin (H2TDMPzP) with lead have been performanced computationally using DFT method....

According to the Fourier diffraction projection theory, the Fourier transform of projection data from multi-band frequency ultrasonic is distributed over complex plane in form of different radius arcs. The classical filtered back projection FBP algorithm isn't fit for distributing of the k space data,...

The research of metaphor understanding is a significant field of cognitive science. Metaphor plays an important role in natural language discourse. There is a close relationship between logic and metaphor. Metaphor can be described by dynamic epistemic logic. This article, we attempt to dynamically describe...

Based on the test for anti-evasion attack of NIPS, A simple and effective improved software test method is designed. In this improve method testing software are installing and running on physical and virtual machine, the network cards of the virtual maching are set in different operation modes, Software...

Application tasks are complex and diverse, which need HPC (High Performance Computing) to solve them. The computing efficiency is hugely different when they run in different architectures, because different application tasks have different computing features. The PMC (Processor-Memory- Communication)...

Multi-view video coding (MVC) demands high compression rates, temporal random access, spatial random access, as well as view scalability. Scalable multi-view video coding based on video selection is proposed. It then uses the position of the cameras and the relation of inter-views to divide all views...

Capacity is one of the basic problems for wireless networks which determine its performance. With the fast development of Multi-channel technology and VANET, the capacity of Multi-channel VANET has been crucial issue needing to a in-depth solution. In the paper, the capacity of Multi-channel VANET is...