Advances in Computer Science Research

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...

In order to quickly and accurately detect the performance of ultrasonic transducers used for reversing radar. An ultrasonic transducer detection system was designed by using the embedded real-time operating system μC/OS-III and graphical user interface software emWin, based on STM32 microcontroller....

This paper designs to develop a transportable disaster response system named "DroneGo" through the deployment of drones, medical packages and containers to solve the problem of medical relief in the face of hurricane in Puerto Rico. Firstly, this paper aims to carry as many medical packages as possible....

The state-of-the-art Supply Chain (SC) becomes more complex and effective not only for the business viewpoint but also for environmental care and sustainability Despite the current progress in realizing how RFID systems can considerably advance agri-food maintenance, there is a major gap in the storyline...

Under the fierce competition and pressure of today’s society, stress and anxiety seem to be part of our daily life. However, traditional offline healing environmental resources are limited, which limits the comprehensive recovery of patients with psychological diseases, and also hinders their in -depth...

The increasing use of Unmanned Aerial Vehicles (UAVs) in various sectors like agriculture, surveying, logistics, and environmental monitoring has created a pressing need for the ability to gather and process positioning sensor data. The precision of positioning, equipment performance, and data processing...

Domestic tourism occupies an increasingly important position in people’s daily life, this paper takes the economic indicators related to urban tourism in Hubei region from 2005-2019, studies the influence of each economic indicator on the gross regional product of Hubei province through regression analysis,...

In order to effectively carry out topographic teaching reform, on the basis of current teaching situation, this paper aims to enrich the teaching contents and advancing topographic teaching by means of information technology. Based on the DEM data of a certain regional topographic map [3], adopting the...

Considering the complication of impact factor in the bridge engineering identification, it is regarded as an inverse problem and the neural network method is applied to avoid the difficulty caused by the uncertainty of the system. The data model and neural network simulation model of the bridge engineering...

According to the theory of marketing, product innovation design and the market connect very closely. In order to solve the problem of disconnection between product design and market, accurately grasp and meet the demand of market, research the mechanism of the interface of marketing and product innovation...

With the rapid development of information technology as well as the popularization of computer and network, in order to meet the different needs of the students' basic knowledge of computer, bring into full play the initiative of students for learning basic computer knowledge, and strengthen the students'...

The basic meaning of efficiency is the ratio of output and input. The efficiency of financing refers to the financing ability of each company in the market in financial activities. This paper first expounds the five related theories based on the financing efficiency, and explains the meaning and characteristics...

The restoration of images corrupted by speckle noise is a key issue in medical images. In this paper, a novel sparse model is presented for speckle reduction in ultrasound (US) images. This model contains three terms: a patch-based sparse representation prior over dictionary learning, a pixel-based total...

Affected by internal and external mechanical system, environment and other factors, which most likely cause lower measuring precision that can not reach the requirements of measurement and control system in present NDIR sensor. To deal with this problem, this paper puts forward the method of building...

Preschool education is an important part of basic education, the problem of preschool education informationization should be taken into account by educators. This article aims to investigate and research whether learning or growth should be the orientation of preschool education, thus to explore the...

In the case of a weakening of the family function and family in China to support the social background of the telephone, home care service evaluation system is our country home pension services development of the force at the core, to provide to provide scientific basis for evaluation. By combing the...

Starting from the point of view of simple and practical, using STC89C52 and low power CMOS type Eý PROM AT24C02 as main control chip and the data memory unit, combined with external matrix keyboard input,1602 LCD, alarm, unlock and other circuit modules to make electronic code lock is introduced in this...

The oxygen vacancies of Y3Fe5O12(YIG) influence on the magnetic proximity effect (MPE) in Au/YIG heterostructures has been studied by first principles calculations based on the density functional theory (DFT). The results show that one oxygen vacancies can reduce the two neighbor Fe3+ to Fe2+ and MPE...

In order to build the information model of the new generation of Operation Support System (OSS), we firstly point out that OSS is currently entering the era of big data management, and the Telco Operators are now facing big challenges. We then summarize the difficulties to build the OSS unified information...

Security monitoring is one of the important development direction of intelligent city in the future, and monitoring based on Android makes the application more convenient and intelligent. This paper proposes a design and implementation of the smart home system based on Android, which use the Android...

ARP spoofing is a local area network (LAN) the most common and most dangerous viruses, this paper mainly from the principle of ARP protocol, ARP protocol existing vulnerabilities and security risks of analysis of ARP Spoofing principle and attack the phenomenon, and put forward effective solutions and...

Aiming at the control problem of the speed of the hydrostatic transmission vehicle, the composition and working principle of the hydrostatic transmission vehicle are introduced. According to the different characteristics of the multi-axis hydraulic drive vehicle, the variable hydraulic pump control strategy...

In order to study the damaged situation of the objects of protection, this paper analyzed the natural resources of Changli Gold Coast National Nature Reserve, and took the method of both collating data indoors and field investigation to study the objects of protection. The results showed that there were...

This paper presents a compact planar rectenna with high conversion efficiency design. To reach the conjugate matching between the antenna and the diode, a space-mapping technology was used to accelerate electromagnetic (EM) optimization process. The system design circle time was much reduced. A 2.45...

In this paper, the impact of the satellite on two-way satellite time and frequency transfer (TWSTFT) in Asia links is analyzed. If two distances from two stations to the satellite are different, the non-reciprocal paths are produced, which impact the accuracy of TWSTFT. In addition, due to the Earth's...

According to the comprehensive geometric accuracy of machine tool in the given machine, calculated along the axial direction, the accuracy of parameters, and then optimize the distribution become more cutting edge precision machine tool design. However, comprehensive geometric accuracy of machine tools...

As a part of Chu territory in the history, Gan area in Jiangxi province has been influenced greatly by Chu culture. And some distinct characteristics of “Chu culture” are reflected in the folk art of Gan area nowadays. Just like Chu culture, Gan area’s folk art emphasizes the thought of “harmony between...

Higher education plays an important role in regional economic growth and social development, this paper uses the data from Liaoning Statistics Yearbook, research on development of higher education in Liaoning province. The result shows that, from 2000 to 2015, the higher education of Liaoning province...

Rough fuzzy set theory and fuzzy set theory are two commonly used tools in today's uncertain type of information processing. How to construct a fusion method for two kinds of uncertain information systematically has been a focus in both academic and applied fields. By analyzing the characteristics and...

Crop health information represented through hyperspectral data is of great importance for precision agriculture. Because of the similarity in the spectral signatures of crops, discrimination of crop health using non-imaging spectral signatures is still a very challenging task for researchers. In this...

The Braitenberg vehicle is a classic model used to study artificial intelligence, robotics, and neuroscience. It demonstrates behavioral characteristics through a combination of simple sensors and actuators, helping people understand and learns the mechanisms behind these behaviors. It has been widely...

In this study, an experimental platform for observing the real-time performance of control algorithms is designed using rapid control prototyping. Details of the use of the platform, as well as the design and debugging process for the Ballbot controller are presented. The platform achieves seamless connection...

The classroom is the main ways for students to obtain knowledge, there are a lot of curriculum knowledge points and complicated, so it is difficult for students that are required to master all the knowledge. In order to improve the learning effect, the knowledge points should be distinguished to the...

For analyzing the effect of GEO(geostationary orbit satellite-GEO) Satellite Motion on Signal Performance in TWSTFT(Two-Way Satellite Time Frequency Transfer), the observation data of TWSTFT and GPS PPP(GPS Precise Point Positioning) which have the similar accuracy between the NTSC (National Time Service...

Neural Network has been broadly applied in the area of modern information technique including radar area. Traditional detection techniques can not detect objects accurately in High Resolution Radar system. Neural Network method can apperceive the tiny diversification of the object because of its flexible...

With the development of wireless Internet technology, mobile media, which is considered as the fifth media, has its great advantages on mobility and interactivity. Not only are the creation of mobile phone animation and its unique advantages popular with a number of animation fans but also they attract...

Named Entity Disambiguation (NED) refers to the processing of determining the real entity concept of a given name with some necessary context. This paper introduces a calculation model of the NED based on the word sense disambiguation in order to solve the problem of Chinese name disambiguation which...

An Improved Adaptive Transmission Control Mechanism (IATC) for underwater acoustic sensor networks is proposed in this paper. This mechanism controls transmission delay and releases collisions adaptively according to different conditions of the wireless links periodically feed back by the receiver. Our...

Fine suspended matter such as sediment, organic matter and inorganic matter can absorb a large amount of bacteria, viruses and other harmful substances, which is a threat to human health, and water turbidity is one of the important indicators of water quality monitoring. The ratio method of the photoelectric...

Opinion leadership of social network plays an important role in the fields of knowledge spreading, public sentiment controlling, marketing, etc. The opinions of users are derived from the reviews of topics, and the analysis of users' sentiment is helpful in recognizing users' emotional preference of...

A lot of data on the web are usually embedded in the semi-structured pages. In order to automatically process the content embedded in Web pages, extracting data from them and making it available to computer applications remains a complex and urgent task. Most of current approaches use a single classifier...

The basic of our study is co-integrate theory. We use Augmented Dickey-Fuller (ADF) test and Engle-Granger (EG) co-integration test to analyze the relationship of closing price of AU1512 gold futures and the price of gold in the same period. According to our analysis, we establish error correction model...

The stock market has an increasingly significant impact on China's macro economy, but the risk and volatility of the stock market itself has also received more attention. How to prevent stock market risk is also one of the important topics of government work. Interest rate is one of policies and this...

This article considers a network distribution model consisting of offline retail physical sales and online retail online sales, as well as a network consignment model consisting of offline retail physical sales and cooperation with third-party e-commerce platforms. Research on manufacturer mode selection...

With the change in people’s lifestyles and the acceleration of population aging, the number of elderly diabetic people in China is increasing, to clarify the emotional needs of users for insulin syringes to enhance the emotional experience of users. Firstly, the three levels of emotional design are used...

The LMX2531 is a low power, high performance frequency synthesizer system which includes a fully integrated delta-sigma PLL and VCO with fully integrated tank circuit. The third and fourth poles are also integrated and also adjustable. Also included are integrated ultra-low noise and high precision LDOs...

Second language acquisition and cognitive theory are of great significance to our English teaching. We must fully understand and apply the theory to guide English teaching. In English teaching, we must fully understand and deal with the role of students, the appropriate language learning environment,...

To solve the problem that self-alignment accuracy of platform inertial navigation system will be affected a lot under significant interference, an adaptive blind source separation algorithm based on wavelet – EEMD method is proposed. This method use wavelet decomposition to remove the high frequency...

The application and development of computer technology have driven and promoted the change of information technology. The computer and information technology have a wide range of penetration and affinity, which influences the world economy and social development in all aspects. In twenty-first Century,...

This paper proposes the novel network maintenance optimal strategy model building based on game analysis and hierarchical clustering. The urban water supply system is city people life and economic development important infrastructure, and is lost the distribution network of water supply system comprised...

In order to better meet the development of mobile Internet and the popularization of intelligent terminals, the application of 5G mobile communication is born and becomes the trend of future communication development. Based on the investigation of actual situation, this paper introduces the concept,...

With the increasing number of high-rise buildings in cities, people have more and more chances to encounter dangers in high-rise buildings. How to escape safely and quickly has become a hot research issue. Based on this, this paper designs a hydraulic damped high-altitude rescue buffer device based on...

In view of the problems of low surface detection efficiency and high error detection rate in domestic wood skin, a corresponding detection system is designed to identify four types of wood skin defects such as dead knot, slipknot, hole and crack on the surface of the wood. Based on the image recognition...

This paper describes a differential amplifier which is based on the discrete/op-amp combo design, the noise performance test method and the test results are also given. Experiments shows that an ultra-low noise amplifier are achieved, the Bipolar input amplifier's input equivalent noise density is less...

The purpose of this paper is to study option pricing problems in the Chinese market based on the Black-Scholes Option Pricing Model, compare the theoretical prices and the actual price and analyze the reason of the difference.It calculated the BS theoretical price of Shanghai 50 ETF call options with...

According to flatness error measurement of revolving body end-face, selection of sample points for flatness error measurement and flatness error evaluation method are mainly researched, the influencing factors are analyzed. Former concentric circular selection of sample points gets many restrictions,...

The vending machine is a kind of commercial automatic equipment that integrates light, machine and light. And it can finish to sell without vendors.Beverage vending machine can be 24 hours in the sale of beverage products without any limitation of place and time. Because it is very convenient and not...

Culture is one of the important factors that affect communication and cockpit resource management (CRM). The paper presents two main theories of cultural studies, respectively is Edward T Hall's high-context culture and low-context culture and Hofstede's cultural dimensions, and then analyzes the culture's...

Low carbon economy had gradually become the mainstream trend of economic the development, the relationship between trade and environment had been concerned. Thus the 17th National Congress of the CPC and 18th National Congress of the CPC have proposed the building of ecological civilization, in this...

For the computing method of conventional spinning force sometimes has a great error by neglecting deposit metal before roller, this essay proposed a spinning force calculation method based on cut and curving force, and it is analyzed an effective and accurate way by testing a set of craft experiments....

The relevance of the theme arised from the searching for an answer to the question about validity of refusal from the idea of general welfare in terms of growing inconsistency rates of change the subsystems of contemporary society. The purpose of the article is implementation of the search for units...

In order to research the relationship between male rat's liver weight and their body weight, Grey theory method and Radial Basis Function neural network method were used to model the liver related data in male rats. First of all, the sample standard deviations of the liver weight mean value were obtained...

The article is devoted to the description of the authentic methodic "?olour Associations of Letter-Signs" (CALS), held on-line, its methodological basis is the concept of person cognitive sphere (PCS) self organization. PCS is which can be described as unique united plurality constructed on the basis...

We propose a new type of style markup language to address the need for separation of content and presentation in office document formats, allow the reuse and sharing of styles in a standard way, and attain good interoperability with HTML/CSS as well as good compatibility with the current UOF specification....

A multi-scale segmentation algorithm based on high resolution satellite remote sensing image is proposed in this study. Firstly, scale parameter was set up according to the size of the target object. Then the heterogeneity between adjacent image regions was calculated by the formula. Thereafter, the...

Cloud computing is a business model. It distributes computing tasks in a large number of computer resource pool configuration. It can provide on-demand for the user computing power, storage capacity and application services capabilities. Cloud computing offers a cheap and efficient solution for storing...

To overcome the defects of traditional adaptive Least-mean-square(LMS) algorithm, figure out the problem that the existing algorithms’ system identification abilities would decline while their input signals are correlated with each other, a novel variable step-size and variable parameters adaptive system...

Music ability generally starts earlier than other abilities as an innate and natural ability. Therefore, people can obtain music perception ability and strong desire to explore and love music during childhood. People pay more and more attention to cultivating children inner music ability with continuous...

Combining both reliability and security in one block is very important in modern digital communications, each with a variety of sub-disciplines. In this paper, a new polar codes scheme for secure data transmission based on one dimensional chaotic map with a pre-shared secret initial condition is proposed....

In this note, system Posbist reliability theories are improved due to the distribution functions of the lifetime of system components are different. The simulations are given to compare Posbist reliability between different typical systems.

The aims of this article are to establish the relationship between the fuzzy algebra and the classical logic and to study fuzzy algebra by the use of classical logic methods. We firstly introduces the concept of the logic value fuzzy subgroup, and studies the relationship between the fuzzy subgroup and...

In the process of software development and maintenance, developers often use "copy-paste" or use the development framework, so that a large number of clone codes appear in the software system. In order to eliminate clone code and reduce the negative effects of clone code, researchers have proposed many...

This design uses AT89C51 microcontroller as the control core,to control charger into different stages .The charging circuit is mainly composed of rectifier bridge type circuit,singlephase half bridge inverter circuit and highfrequency rectifier circuit composition ,to control circuit are mainly used...

In order to improve the accuracy of remote sensing scene classification, this paper proposes to integrate visual saliency into bag of words model. In this paper, the color histogram (CH), Scale Invariant Feature Transform (SIFT) and local binary pattern (LBP) methods are used to extract the features...

The research on the phased array radar used in airborne is very hot Transmit/Receive (T/R) modules are the key components of the phased array radar. The performances of T/R modules affect the whole performance of the phased array radar system directly. According to the characteristics of the phased array...

As the third information industry after the computer and Internet revolution, the Internet of Things is coming which brings us into a new era in which everything can be identified and connected and things can exchange information and make decisions by themselves. As a core technology of the Internet...

Information system level protection system is one of the important measures to strengthen the information system security protection in our country, e-government network running public services of e-government, the protection level protection and level measurement is very necessary. In this paper, the...