Advances in Computer Science Research

The importance of data in the era of big data has given birth to new forms of digital trade, and cross-border data flow is also an important issue in economic digital trade agreements. Based on the digital product export data from 2011 to 2021, this paper empirically tests the impact of the digital trade...

The energy-saving optimization of three-phase asynchronous motor is studied in this paper through the analyses of its working principle and structure. Via a three-phase AC regulator of neutral line-free star connection, six thyristors VT1 and VT2, VT3 and VT4, and VT5 and VT6 of the regulating model...

In this paper, we use the variable fiber reinforced reaction injection molding process to produce different kinds of fiber reinforced polyurethane composite materials. We analyze the effects of different types of fibers on the mechanical properties of the composites, while the tensile strength and bending...

E-Learning has become an important form of current education. At the same time, the development of semantic web technology provides a new way to solve the problem of information resource management, semantic-based network educational resource became an important research field in computer education technology...

The existing highlight detection and removal methods usually depend on color or some geometrical information. These methods cannot be used when highlight region degrades texture details of object surface. In this paper, we propose a novel, simple and effective method to solve this problem. In our method,...

First, we analyze the low carbon city’s evaluation index systems in the relative researches, and utilize the analytical hierarchy process to study the factors of low carbon city development. The evaluation index system’s first grade indicator is composed of five indicators. They are energy saving, emission...

The model, criteria and the trajectory of the equilibrium balanced functioning of dynamic biological systems re described in the paper. The concepts of system kinetic and potential energy for the description of the metabolic processes in biological systems are included. Metabolic processes in the biosystem...

In order of saving energy and improving the performance of the airborne systems, modern aircraft increasingly uses electrical energy to replace the current hydraulic, pneumatic energy on the plane. The goal of more electric aircraft is that electric drive equipments replace mechanical, hydraulic and...

On-line signature verification is one of widely acceptable biometrics. Since it can reveal more intrinsic characteristics inherent in writer, spectral information that contains in features can be used to on-line signature verification. In order to extract more effective spectral information, features...

Personnel data information is an important part of personnel management digital process, personnel data as the underlying data source, provide the basic data for the other subsystems. With combination of ASP.NET and Microsoft SQL Server 2005, personnel management system was developed, which can improve...

In the indoor construction site scene, binocular cameras rely on natural light in the environment for collecting images. However, with the influence of environmental factors such as changes in illumination angle and changes in illumination intensity, the effect of the binocular vision algorithm is drastically...

Thanks to stator flux based observer running at middle and high speed and various high frequency injection (HFI) methods operating in zero and low speed region, position sensorless field oriented vector control system of permanent-magnet synchronous machine (PMSM) has attracted much attention. Nowadays,...

With the rapid development of the modern Internet, e-commerce has been greatly promoted. The advantages of e-commerce gradually appear, as a result, virtual enterprise, virtual bank, Internet marketing, online shopping, online payment, online advertising business and a large number of new business which...

Starting from the theory of “perception cognition behavior” in psychology, this paper explores the form of multi sensory interaction in the cultural tourism field, and studies the internal mechanism of the modern cultural tourism field. This paper puts forward the practical path of constructing participatory...

In recent years, the problem of urban pollution is becoming more and more serious. A large number of toxic substances are discharged, which destroy the living environment of residents and threaten people's health. Therefore, local governments are paying more and more attention to environmental problems,...

Artificial intelligence is an emerging science, which studies and develops theoretical methods and techniques for simulating and expanding human intelligence. Today, artificial intelligence has made significant achievements in pattern recognition, knowledge engineering, robotics, etc. But it is far from...

Urbanization is an irresistible trend in the IT times and an important process in the integral development of urban and rural information society. But information revolution also creates digital gap between urban and rural areas, an increasingly obstacle to China’s urbanization. A damping measurement...

In this paper the problems is analyzed, that the phenomenon of burning crops straw, although it is prohibited times without number, and which causing serious air pollution are a great deal of occurrences in recent years in rural area. It points out that one of the main reasons is lacking efficient machine...

This paper is aimed to investigate the possibility of using a new method of dose and image quality optimization by employing visual grading analysis with a slight modification. Cone beam CT was utilized with different exposure settings to acquisition several images to skull phantom. Three different observers...

The paper takes an online course Introduction to Internet and web technology as an example, adopting the method of combining questionnaire survey of the network course platform with interviews and statistical analysis of SPSS software, to explore the university students' satisfaction with an online course....

In recent years, the era of researching and applying the big data has already arrived with the continuing increase of data size in Internet applications. The scale effect of big data has a great impact on the traditional technology of data processing. It reforms the existing management model and challenges...

This paper puts forward a kind of communication system as a solution to monitor work condition of many process-control equipments, which can communicate in serial but have no their addresses, in comfortable office far from the equipments. As for the scheme, Modbus communication protocol and RS485, which...

The pure electric family car as an example, we use the partial least square regression to get the mapping relationships between design parameters and acquisition costs, operation cost, recycling scrap cost during the phase of design. The calculation results show that remaining mileage and battery capacity...

Recent advances in technology have increased the availability of video information data, creating a strong requirement for high efficient systems to manage and process those larger materials. How to making efficient use of video information requires that data to be accessed in an intelligent and user-friendly...

The remanufacturing cost of estimation, the accuracy of the estimates and the time it takes to produce cost estimates are important factors to remanufacturing organizations. This paper constructed and trained a back-propagation (BP) neural network to forecast the remanufacturing cost of engineering machinery...

Due to the different national conditions, the driving forces and factors of national terrorist attacks vary. Therefore, this paper takes GTD China sample data as the research object to study and predict. The prediction process is as follows: On the basis of the BP network-based model for predicting the...

In the overall design of ship intelligent collision avoidance decision-making and control system and some local decision-making models, there has not been a relatively unified consensus, and there is still a certain gap from the actual application. In this paper, the mathematical model of the ship intelligent...

The paper analyzes the market profile, the scale and trend of modern mobile reading and points out that in the field of mobile reading which based on the smart phone APP has a quite important significance in the era of ‘Internet +’.And through the deep analysis of the content driven mobile reading APP,...

In the construction of "three systems", the construction of archives information resources is the foundation, the usage and construction of archives is the purpose and archive security construction is a guarantee. The proposition of elaboration and implementation of "three systems" construction is of...

Since Gaussian process regression (GPR) cannot feasibly be applied to big and growing data sets, this paper introduces an integration algorithm called Two-step Gaussian Process Regression (TGPR) which speeds up both training and prediction to solve the problem. First, analyze the basics behind regular...

A supply network has been studied which consists of a supplier and a manufacturer. Considering inventory costs and shortage cost because of supply shortage, profit maximum model was established based on the uncertain market demand and variable manufacturing costs. The feasibility of the model has been...

In order to study the relationship between international capital flows and industrial upgrading in China, the Generalized Method of Moments (GMM) was applyed in this paper on the basis of the existing literature research. The conclusion is that the international capital flows promote the industrial upgrading...

As the title implies the article describes information supply for both students and teachers, who is learning and teaching discipline "ontology of production sphere". The goal of this discipline is to implement ontologies creating technologies to teach students find the best solutions within aircraft...

Based on the extensive application of small hole, how to guarantee the machining efficiency and machining quality of the hole at the same time is the key problem we need to solve. We analyze several factors affecting the machining quality of the hole and find their influence law on the machining accuracy...

This paper presents a novel evaluation model for remote sensing fused images. Meanwhile, take IHS-RPCA and NSCT-SF-PCNN as an example, the simulation experiments are analyzed and measured by the proposed comprehensive evaluation metric model. In addition, we brief introduce the choice for the weight...

Data mining clustering is a broad research field. It is used to partition the data set of clusters. Different clustering methods use different similarity definition and technology. Several popular clustering algorithms are analyzed from three different perspectives: the clustering criterion, clustering...

Virtual surgery is a process which uses virtual reality technology to realize surgery simulation, it can provide doctors with real-life experience of visual, auditory, tactile and so on, and it also plays an important role in surgical training and planning. During the interactive process, we used Leap...

This paper studies the latest energy-saving technologies in domestic and international data center and focused on the important measurement of energy-saving , PUE, and finally analyzed the situation of energy saving in a real data center and proposed reform program based on engineering practice.

Juvenile law education is a systematic project related to the long-term stability of the country, in addition to the education of legal knowledge of young people, it should start from three paths: the schools education, family education, and social education. Then we can explore an education road consists...

The vibration problem of the vehicle in the running process due to excitation by various external loads and the transmission part of the resulting, in this paper, based on the theory of modal analysis, the natural frequencies and natural modes of a hybrid electric city bus frame are solved. The result...

Sincerity also is the integrity. The so-called integrity is the conduct of the country, it is self-cultivation of the Road. The core values of socialism pointed out at the individual level that "patriotism, professionalism, integrity and friendliness" have established the benchmarks of ideological and...

The quantification of nitrogen and phosphorus nutrient loads is the primary task for the control of non-point pollution. In this study, the data between 2006 and 2011 were collected and analyzed in Haikou City. The results showed that the major agricultural non-point source structure was composed of...

With the development of the times, people's demand for electricity is increasing day by day, when the requirements become more stringent. Multi-Terminal Direct Current (MTDC) can achieve the function of Power transmission among multi power sources or multi receiving ends. And compared to conventional...

A novel algorithm based on maximal grayscale complexity of rotating scan lines is proposed to locate the human eye in the detected human face region. First of all, the human face regions are detected from a number of outdoor photos using the skin segmentation algorithm. Secondly, the skin block is retained...

MPPT algorithms have been widely used in controllers of photovoltaic system. While for independent photovoltaic systems, researches focused on the charging method to batteries are still limited. Considering the power supply in continual rainy days, the capacity redundancy o batteries in photovoltaic...

In this paper, the research status of the intelligent traffic control system is analyzed, and the shortcomings of the current intelligent transportation system are pointed out. And the support technology of RFID technology, sensor network, communication and other supporting technology is proposed, which...

In order to improve the ability to intercepting polyphase code continuous wave signals for the radar reconnaissance receiver, a polyphase code continuous wave signals detection algorithm based on Periodic Fractional Fourier transform (Periodic FRFT, PFRFT) is proposed. In this paper, the PFRFT and its...

There are many uncertainties influencing the precision of coordinate measurement, most of which can be detected and compensated according to ISO 10360. However the effects of measuring instrument accuracy and information of measuring points including number and distribution are not duly researched. There's...

Sparse decomposition can represent signal with small number of atoms. But, its high computation complexity hinders practical application. Fruit Fly Optimization Algorithm (FOA) improves the efficiency of atoms’ searching, but the solution sometimes is not global optimum. In order to solve this problem,...

The paper presents a method (Improved Fuzzy Analytic Hierarchy Process) to evaluate the development of rural informatization over the past decade in China. This article developed a rural informatization evaluation system including Rural informatization infrastructure, Rural informatization technology...

In order to improve the precison and the speed of passive localization ,as well as meet the high applicable values requirements, a passive localization algorithm based on the Unscented Kalman Filtering is proposed.The main idea is to use the Filtering algorithm to solve the sensor information fusion...

Lately, technology has demonstrated its existence in every aspect of life, and inventive gadgets are helping people in every field. In particular, artificial intelligence has taken the lead and outperformed the other trades. This paper introduces a cost-effective and technologically advanced assistive...

Loan default prediction is important to both the credit allocation and portfolio risk management. The conventional scorecard is based on predefined handcrafted features and linear assumptions, thus ignoring nonlinear and temporal characteristics of borrowers behaviors. Article introduce a novel sandwiched...

Based on the DDoS attack on application layer and the difference of normal users' access habits and the traffic features, we proposed a user rating based defense system for DDoS application layer attack. This system can significantly improve the detection rate through analyzing and scoring the access...

In this paper, we develop a new approach for hyperspectral image classification directly from the compressive sensing measurements without reconstructing the original hyperspectral image first. The proposed method is based on the fact that each pixel in the hyperspectral image lies in a low-dimensional...

Mathematics literature support platform is the inevitable choice for the construction of key discipline of mathematics. Through the construction of the platform, it can provide a convenient and quick service for the teachers and students of mathematics, so as to better promote the development of key...

This work explains the principle of 860 radar angle digital conversion and introduces its hardware setup and software workflow based on MSC-8051 MCU. This conversion method using single-chip has the advantage of high accuracy, high speed, coarse environment tolerance, seismic reliability and resistant...

The traditional methods for electrical safety training can not meet the actual needs of the high-voltage, medium-voltage switchgear maintenance and debugging, so this paper proposed a switchgear maintenance somatosensory training system based on ZigBee and LabVIEW technique, which first introduced the...

When the north angle is greater than 400, a certain gyro theodolite of The PLA 1001 Factory can not normally find the North. In this paper, the author deduces a mathematical formula between pendulum gyro in the tracking state speed and the north angle, a coarse north seeking method based on tracking...

A novel filtering method is proposed in this paper in order to improve sharpness and detail reserve ability of color image filter. Start with analyzing the correlation between neighboring pixels and the correlation between each image channel, the image is then processed with a preprocessing procedure....

Oil spill may cause serious pollution of the marine environment. Unmanned aerial vehicles remote sensing system can be used to monitor oil spill conditions. In order to identify the oil spill area on aerial image accurately, the first step is oil spill region segmentation. The paper presents an image...

The paper aims to discover the development rule of fetal parital bone. One hundred and eighty parietal bones of 5-38th weeks old were observed and measured. With the Noback’s method every fetus was made transparent and then dyed dark red by the Alizarin red. The measured data are added to differential...

Most of audio players on the market use the hardware filter oAbstract. As one kind of special motor, Brushless DC motor has characteristics of high efficiency, simple control, wide application range and others. The traditional brushless DC motor adopts square wave control, which cannot meet the noise...

Equipment manufacturing industry is the pillar and basic industry of economic and social development. Liaoning provincial government gives priority to the development of advanced equipment manufacturing industry in the "Made in China 2025 Liaoning action outline". At present, Liaoning has strong competitiveness...

Deep learning techniques such as pre-trained Convolutional Neural Networks (CNNs) and Faiss were applied to animal vocalization analysis in this work. Comprehensive bioacoustic data in recent years have shown the versatility and power of CNN based models, which have outperformed in classifying a myriad...

Artificial intelligence (AI) in language education is so great that it can become essential in learning and teaching languages, especially foreign languages, and mastering listening, speaking, reading, and writing skills. Likewise, in translating from Indonesian to English, AI products in machine translation...

The advent of advanced artificial intelligence(AI) models such as ChatGPT has brought a transformative impact on various sectors, with the field of education being a notable one. Given the system’s impressive efficiency and accuracy in answering questions, ChatGPT has garnered significant attention as...

This page proposed a vending machine simulation system which used MCU AT89S52 as the core. In this paper,The design process, hardware selection and software design process of the vending machine system are introduced in detail, and expounds the basic principles of design. The system can be realized automatic...

Aircraft trajectory planning under wind effect is a critical issue to save fuel consumption and to reduce flight time. However, wind as a kind of natural phenomenon has great uncertainties, which increases the difficulty of trajectory optimization. This paper proposes a aircraft trajectory optimization...

This paper reports results of comparison of retirees' assets, incomes, and consumption expenditures among three countries (the UK, US and Russia). The analysis was conducted on the basis of official statistic reports and on the data of special government and public organizations. Our findings are the...

In order to interpret the importance of monitoring and control of HIV/AIDS, according to our ideas of monitoring and control of HIV/AIDS, a continuous SUI epidemic model for HIV/AIDS is established in which S denotes susceptible individuals, U denotes individuals infected with HIV but undiscovered and...

The measuring of water content in oil products affects the reliability and safety of the steel high speed wire rod production. Based on the existing capacitance sensor online water content detector, the neural network algorithm is used to deal with the data fusion processing with the 3D temperature experimental...

During these pandemic, SEIR model has become a popular topic among researchers. Such epidemiological model is said to be a great decision tool to forecast the behaviour of Covid19 outbreak for future actions. Following trend, this paper attempts to use symmetrized Runge Kutta methods; Implicit Midpoint...

In order to be able to better understand the scenarios in the conference, this paper proposes an architecture of WebRTC (Web Real-Time Communication) video conferencing system compatible with GB/T28181(Technical Requirements for Information Transmission, Exchange and Control of Public Security Preventive...

The purpose of this paper is to discuss the digital protection and development strategies of YAO ethnic festival cultural heritage. Based on the main framework of “collecting and analyzing data-- digital preservation and sharing-- products development”, introduces the methods of collecting and analyzing...

In order to avoid certain types of voltage sags, this paper proposed an optimal method to allocate D-STATCOM capacity, which is based on Investment Decision Theory and a 10kV distribution line equivalent model. In addition, the Investment Decision Theory was presented in this paper, in order to establish...

Composition technology is the key factor of component based software development. Assembling component models to derive interaction test cases is a common way of component interaction testing; however, one of the consequences is the difficulty to test different component models sufficiently and the other...

For power transmission equipment long-term planning in the steady-state failure isn’t suitable for using to predict the reliability of the short-term problems, according to the result in transmission equipment shut down three different reasons: overload protection action, the weather factor, aging failure,...

With more penetration of wind energy from onshore and offshore wind farms, wind generation will thus be exerting more influences on the original power system. The main purpose of this paper is to study two commonly adopted offshore wind turbine types, namely the doubly-fed induction generator and the...

Given the increasing important of IT in the public services delivery and the massive amount of spending in IT in governments, it is imperative to understand how to evaluate the contributions of IT in governments for better delivery of services and enhanced interactions with citizens and business. From...

This paper will organically integrate four aspects: interdisciplinary teaching content, teaching methods, teaching mode, teaching technique from a comprehensive point of view. The teaching content is comprised of the establishment enterprises, strategic management, budget management and operation management;...

The notion “urban-rural digital gap” was put forward in 1995 by NTIA, refers to the gap between Urban and rural in information technology(typically cyber space technology) since the coming of industrial society especially since the transition from industrial society to information society, that is in...

Issues of education of new generation of IT specialists in Russia are the most important in the current changes in economic and technological development of the state. Existing technological requirements produce new professions and require extremely new forms of interaction between universities and business....

Nowadays, micro blog has been widely used as a platform of information sharing. How to help users to find what they are interested in from massive amount of data becomes a very challenging issue. Some micro blog recommend systems are user-based and its effect is not significant. In this paper, we implement...

The machining accuracy of conductive is one of the important parameters which can affect the quality in the process of electrochemical ginding. In fact, there are many deviation in the machining process, and used the theory mathematical model, the two parts make a combination, we can take a model of...

The existing research results show that in the network configuration section WC can get close to the performance of the whole wavelength conversion network. The design of optical network backbone should not only satisfy the existing service, but also consider further involved service in the electric...

Recent years social media swept the world, changed people's consumption behavior and lifestyle, and become a mainstream Internet applications. At the same time social media generate a lot of user data, let us be more realistic and comprehensive understanding of the structure, the personal information...

With the progress of science and technology, intelligent robot system has been applied in service industry. The research and design of service-oriented autonomous mobile robots have attracted more and more attention from enterprises and businesses. In this paper, an intelligent tennis pickup robot based...

Through the analysis of the characteristics of the 3D effect in furniture design, this paper puts forward the integration of the 3D effect into the electronic commerce, and probes into how the 3D effect of the furniture design is applied in the electronic commerce and brings convenience.

The rapid development of information technology and the application of computer information technology have incorporated all aspects of people's lives. Big data has become an important topic in many research fields, such as data mining, machine learning, and social networking, while big data analysis...

The performance of hot rolling steel plates depends on the cooling process after hot rolling. One important point of improving the technology of controlled cooling after rolling is understanding the effect of process parameters. Heat transfer coefficient is a significant physical parameter during the...

With the rapid development of China's economy, due to changes in the market competition and consumption mode, the enterprise marketing demand more and more prominent, WeChat marketing as a new type of network marketing, it has also become a hot topic for current research. WeChat marketing is a new marketing...

In view of the repairable spare parts, considering the actual situation that component commonality exists in warship equipment, the requirements of spare parts and sites in all levels are modified. A multi-echelon configuration model of common parts based on METRIC theory is established. The marginal...

Based on the experiment, the students as the main body, inquiry is the form, competition is the purpose, Combination the National Undergraduate Electronic Design Contest with the Xijing University electronic design contest, "electronic design contest student recruitment organization", "electronic design...

With the development of the city, the With the development of the city, the underground space are used in different ways at every city over the world, such us Multilayer basement of high-rise building, subway, underground market, as well as a variety of underground civil and industrial facilities. While...

The biconical shaped charge liner serves as the main part to constitute the armour-piercing projectile and its dimensional precision is mainly affected by the spinning force. Excessive spinning force will cause the increase in feed amount of spinning roller and then raise the surface roughness of the...

The Woman's Missionary Society of Canadian Methodist Church (the United Church of Canada since 1925) started its educational work in Szechwan (Sichuan) from the very beginning of its mission work, setting up schools for girls and young women. The work in the first period was slow in progress and experimental...

In this article, a Multilayer Perceptron (MLP) deep learning model has been described to recognize voice gender. The data set have 3,168 recorded samples of male and female voices. The samples are produced by using acoustic analysis. An MLP deep learning algorithm has been applied to detect gender-specific...

Terrestrial platform mobility is different from that of aerial platform, for the former involves complex geographical elements such as mountainous and potamic terrain. It is also different from intelligent robot mobility on a given plane, as safety factor in simulated military countermining environment...

In this paper, an active contour model is proposed for image segmentation, combining original image and feature image information with adaptive weight. The feature image is a texture descriptor which intrinsically defines the geometry of textures using semi-local image information. The Kullback-Leibler...