Advances in Computer Science Research

BP neural network is a multilayer feed-forward network for training according to the error back-propagation algorithm , its main advantage is the strong non-linear mapping ability , but the training of BP neural network is easy to fall into local minima, and slow convergence speed. This paper makes use...

The statistical diagnostics of the reproductive dispersion model based on the Pena distance is discussed. The expression of the Pena distance under the reproductive dispersion model is obtained, and its properties are discussed, and the discrimination of high-leverage outlier is obtained. In addition,...

The storage of unstructured data plays an important role in the implementation of big data environment, thus, choosing an efficient database can provide an excellent solution for data mining. In this paper, two database technologies, MongoDB and PostgreSQL, are used as performance tests for storing unstructured...

With the help of advanced Internet technologies, distance education and the use of new educational theory, podcasting, the new techniques have greatly enriched this area of foreign language teaching, expanded the foreign language mobile content and teaching methods. And it opens up a new idea on foreign...

Dramatic price changes in pharmaceutical equities reflect unexpected scientific information gained throughout the pharmaceutical R&D process, such as clinical trial results, recalls and withdrawals, and the approval of new treatments. During the Covid19 shutdown, major pharmaceutical firms were studying...

Wayfinding in hospitals poses significant challenges for elderly patients, particularly in secondary cities with underdeveloped signage systems. This study examines the usability of current systems for patients aged 60 and above, using a mixed-methods approach surveys (n=204) and interviews (n=5), it...

In response to logistical challenges within the supply chain management of construction projects, such as information asymmetry, insufficient collaboration, and difficulties in material quality control, this study proposed a management optimization platform based on block chain technology. By leveraging...

The impact of entrepreneurship on economic growth has been a hot topic of discussion among scholars in recent years. Based on the data of SMEs in the New Over the Counter Market, this paper establishes a fixed effects model to study the relationship between entrepreneurship and economic growth. Empirical...

This paper presents a level based clustering routing scheme to solve these problems. There are many routing protocols for Wireless Sensor Network in the literature, while this paper studies the Low Energy Adaptive Clustering Hierarchy (LEACH) protocol, which is a well referred protocol for WSN, and put...

The pre tightening pressure of the length measuring wheel was optimized by response surface methodology in the self-developed NC length measure of bar system, the pre tightening pressure and external load are set as the input parameter variable, the stress of the length measuring wheel is set as an output...

This study suggests new mathematical solution and simulation results for detection location of bus signal priority. This mathematical model can determine the detector location for the minimum bus delay. With the application of the bus speed and detector location, this study analyzed the change of bus...

Yugur is a unique ethnic minority in Gansu province of China, mainly distributed in the territory of Sunan County in Gansu province. Yugur traditional folk songs recorded in history and culture, is one of the important forms of oral culture. This paper based on the previous research foundation, voice...

A new image fusion technique based on 2D discrete orthonormal S-Transform (known as the 2D-DOST) is introduced in this paper: First, the source images are decomposed by 2D-DOST to obtain the low-frequency sub-band coefficients and the high-frequency sub-band coefficients; second, according to the characteristics...

This paper is based on the basic concept of internal governance, through summing up the characteristics of domestic construction firm, proposed the existence of internal governance of accounting firms and the problems and propose countermeasures by the theoretical framework, from the decision-making...

With the rapid development of information technology, information technology has become a reflection on the economic development of country, regions and society, produces significant and profound influence on the way that people live and work, so the key technology of enterprise information management...

News Explorer for Web Streaming Data (NEWSD) is a GUI based text mining tool developed for the classification of streaming web data. It provides a platform to perform text mining on news updates extracted from various selected online newspapers. Initially, the text based news data is fetched from social...

In a stereo vision measurement system, Camera calibration is a key step. In order to improve the accuracy of camera calibration, a cross-target calibration scheme with coding points is designed in this paper. Firstly, coding target points of the cross target are identified and positioned. Secondly, a...

This paper analyzed the related methodsto removethe biological indicatorEscherichia coli K12 (E. coli K12) in the constructed wetland system (CWs), which included filtration and absorption of filling, effect of the plant root system and microorganism phagocytosis and so on. It indicated that E. coli...

The new applications of annual fiscal accounting analysis at the risk assessment are discussed in this paper. The system analysis methods that can be used to identify the industry or sector of the companies based on their annual fiscal accounting are described. All necessary calculations and computer...

Management information system is one of the core courses of management specialty, and it is a new frontier subject. The content of the course is closely related to the modern enterprise management systems, management concepts and management methods. However, college students are not so interested in...

Insufficient stocks affect overall performance of weapon system, as lack of spares may result in gross penalties, lower availability or increased operational risks. The spare parts optimization model of constant reliability and spare parts optimization mode of constant cost were established. The search...

Web page classification has wide applications. Due to various types of web pages and vast amounts of network traffic, it is difficult to classify web pages by deeply inspecting the content of each packet. This paper presents a learning-based classification method according to TCP/IP header features....

Aiming at the problem of pressure fluctuation in front of injector of a certain type of marine steam power plant fuel system caused by working condition change, a system optimization method is proposed, which combines the star-delta connection method of electric motor with the main pressure feedforward...

This study aims to develop a technology that can help diagnose diabetes symptoms accurately. The Backpropagation Neural Network method is used to classify diabetes symptoms based on various parameters such as blood pressure, heart rate, body temperature, sugar levels, cholesterol, uric acid, and oxygen...

This article, with the example of different circulation system for a kind of nonlinear, discusses how to make a dynamic analysis of a nonlinear biochemistry system in line whit the character of the system and intercommunication and interaction of each part, thus to establish a realistic ideal mathematics...

To meet the demands of different high bandwidth service, OFDM-PON has been considered as one of the candidates for NG-PON2. In this paper, downstream transmission performance based on LDPC-OFDM coding PON system is studied. The simulation results show that employing the LDPC-OFDM coding in PON system...

This essay strives to deal with the origin and definition of metafiction, and then to probe into the relation between the two terms. Though the discussion about the relationship between metafiction and postmodernism is heated, generally, the critics agree on the following: The two terms are closely related...

In order to shorten the inspection path and time-consuming, improve the intelligence degree of the laser inspection robot and apply to the large-scale TSP in the substation, the paper proposes a path planning method based on the improved ant colony algorithm, the navigation method, the walking characteristics,...

With the expansion of robot applications,the task done by the robot is more complicated. In order to meet the needs of special groups such as the elderly and children, we combine the mobile voice software development kit (SDK) of Xunfei platform with Google's software development Tool to create a voice...

In this paper, a full-wave rectifier (FWR) with zero standby leakage current for vibrational energy harvesting systems is presented. Conventional active FWRs where active diodes are used to reduce the diode voltage drop and increase the system efficiency are usually powered from the output. Nevertheless,...

Nowadays, dynamic wireless network security model flawed in terms of initiative defense, risk assessment and security policy generation and others. To solve this problem, we proposes an improved model of network security model based on dynamic wireless networks. This network security model is mainly...

LBS (Location Based Service) has been more and more integrated into the various industries, simultaneously, the development of the industry further promote the intensive research and widespread application of LBS. In this paper, we present an excellent resolution for indoor location estimation based...

For multi-freedom prosthetic hand, grasping stability is very important. Force closure method is often used to determine grasping force of each finger. The space position information must be obtained to compute grasping force by using this method. However, for prosthetic hand, the space position is hardly...

Experiments in the computer teaching process often need to use a number of operating systems, which often destroy the computer room in common operating system. Maintenance of the engine room has brought some difficulties. If the traditional experiments to build a virtual experimental platform to complete...

Mobile applications have become one of the primary ways people communicate, shop, organize their lives, play, and even work. About 40% of the world’s Android users are in China. There are many kinds of tourism and travel related app both available in the Apple App Store and various Android app stores...

In order to improve the defect of active power filter (APF) based on the sliding mode control (SMC), which will be always chattering at high frequencies, we proposed to take genetic algorithm into the optimization of controller parameters. And at the same time, the theoretical basis for the design of...

This paper present a methodology about building the active device broadband behavior model that can prediction of its conducted emission accurately. The architecture of the model is composed of two sub-models: the Passive Distribution Network (PDN) sub-model and the Internal Source (IS) sub-model. An...

Unified Impossible Differential (UID) crypt-analysis is a systematic method to find impossible differentials for block ciphers and there are large amount of cryptanalysis results coming out by using it. ARIA is a Korean block cipher expecting no impossible differential chains on four or more rounds....

3DMAX, a three-dimensional animation rendering and production software based on PC system, is produced by Discreet. Its existence has made the special effect of television and animation have revolutionary progress. Besides, it is widely used in the advertisement, television, industrial design, construction...

Regarding the problem of lower utilization rate of broadband and data throughput in the real-time computations when Spark Streaming receiving and treating a large number of TCP packet, we proposed a technique of effective zero-copy of IO kernel and optimiazation of user protocol stack. By comparing and...

The early Internet of things is a logistics network based on wireless sensor technology, but the connotation of the Internet of things has changed greatly with the continuous development of technology and application. The perfect combination of the Internet of things technology and the intelligent security...

Trust is an important driving force to promote interaction among project online community members and increase information flow and knowledge sharing in online community. In order to improve the knowledge sharing relationship between project organizations, this paper divides trust in online communities...

The argumentation of navigation safety influences of water-involved projects is aimed to remove hidden navigation safety dangers in the form of management in advance, thus being an effective way of managing navigation safety. Since implementation of the system, it has played an active role in reducing...

With the advent of information age, computer has become a need that is more and more important for the people. Computer cannot only store a lot of data, but also increase the channels for storing data. So people store more and more data in the computer. But there will inevitably be problems for computer...

In the visual development environment, skilled call API and DLL function, combined with the Windows system kernel, in order to make the user experience Windows API function programming ability strong. In this paper, we first introduce the DLL library and API function about the basic knowledge, followed...

A main construction approaches of an information technology-based self-learning intelligent system are described in the paper. The technology is designed to increase the accuracy of the differential diagnosis of bronchial asthma by using self-learning principle. Optimal combination of different approaches...

A new algorithm for optimizing the thermal layout of basic VLSI elements, taking into account the features of the length of conductors and mutual thermal effects for 3D ICs, is described. It provides a differentiated temperature distribution in different layers of the chip. The algorithm includes parameters...

The reemergence of dengue outbreak demands an effective and efficient treatment especially for antiviral agent since neither vaccine nor drug is available to overcome this disease. This study designed the new model for Dengue Type-2 (DENV2) NS2B/NS3 protease inhibitor from quinoline scaffold by combining...

The new sorbent—sugercane stalks on the adsorption of uranium-containing wastewater was studied by static adsorption experiments in this research. Its feasibility and adsorption capacity as a biological adsorbent was verified through modification experiments. The influence of adsorbents dosage, adsorption...

Effect relationship model between user-to-user interaction, co-creation user experience and user co-created value were established in the setting of non-trading virtual community. Empirical study of structural equation model was applied to verify the effect relationship between user-to-user interaction,...

Personal calendar applications develop rapidly in recent years, while the enterprise calendar is lagging behind. This paper describes the protocol stack and content of standard calendar service, and then analyzes the similarities and differences between standard calendar and enterprise calendar from...

Projected capacitive touch screen has the advantage of wear-resistant, high transmittance, long life, low power consumption, high sensitivity, noise rejection capability and support for multi-touch .This paper studies the related technologies of projected capacitive touch screen system: full touch point...

Most of the traffic rules are originated in some historical reasons; it is difficult to say which is better than others. This paper proposed a monetizing evaluation model for highway transportation, which is based on the cellular automation (CA), more specifically, the NaSch model. We evaluated the Keep-Right...

Collaborative filtering algorithm is one of the key technologies of the current e-commerce recommendation system, in which the effect of similarity measure directly determines the accuracy of the recommendation system. An improved method of similarity measure and the corresponding collaborative filtering...

Based on deterministic Precise Integration formulation, a stochastic Precise Integration algorithm is proposed and developed in this paper for the random analysis of nonlinear systems. The recurrence relations are derived to calculate the covariance matrix response of linear and nonlinear systems subjected...

The usage of clean energy such as electric energy will help promote energy conservation and emission reduction, optimize energy use structure and improve energy efficiency. The realization of the "electric energy substitution" strategy can realize the replacement of loose coal and direct fuel in the...

“Big data” has become a hot spot of the times, and the processing of big data is inseparable from Data Center Networks (DCN). As the infrastructure of the information era, data center networks provide a variety of network services and become key support technologies for future Internet/Cloud computing...

Based on the characteristics of power grid construction projects, in order to meet the development goals of the power grid, firstly, an index system for optimizing the ranking of power grid investment projects is formulated. By establishing an optimization model based on matter element extension for...

The stack is a very special data structure that can only be inserted and deleted on its side, and is a very special linear table. It in accordance with the first to go out of the order of the principle of data storage, that is, first entered the data into the bottom of the stack, the last entry into...

Advances in nanotechnology and sensor networks recent years provide the opportunity for developing Wireless NanoSensor Networks (WNSNs) in the terahertz (THz) band(0.1-10THz). It’s a new challenge for the THz nano-networks to satisfy biomedical applications with a medium access control (MAC) protocol...

In the environment of insufficient light, vedio monitoring system could be easy to get indistinct vedios and blurred pictures. In order to achieve better image effect, this paper proposes a method for color image enhancement in real time low illumination. By means of color space conversion, histogram...

Feature selection aims to select a smaller feature subset from the rate data which maintains the characteristics of the original data and has similar or better performance in data mining. traditional information theory often divides the relevance and redundancy of the features into consideration in unsupervised...

Elementary school students’ knowledge of fraction magnitude may predict their mathematics achievement. Students’ mathematics achievement is influenced by their mathematics difficulties. This study exposes students’ representations in estimating fractions to indicate their fraction magnitude knowledge....

With the increasing importance of language education in the global context, there is a growing demand for innovative teaching models that effectively integrate technology to enhance learning outcomes. This study explores the design and evaluation of a teaching model for college Chinese Language Public...

This study introduces CB-ResNet and CB-DenseNet anomaly detection models that utilise attention mechanisms. The objective is to overcome the limitations of classic anomaly detection algorithms, including low detection accuracy and unstable model performance. The backbone network utilises the convolutional...

A real-time photo printing system is an innovative "Internet Plus" project, which is different from the traditional photo film industry. Users only need to speed a short period of time to complete the photo printing. At the same time, with the help of electronic payment, such as WeChat payment, Beijing...

Referring to the findings of domestic and foreign studies in customer value gap theories, this paper probes the "gap model" on the basis of the dual perspectives of enterprises and customers. This is achieved through discussing the five perception gaps of customer value between the company and its customers....

Recent years, with increasing urban population, urban traffic's pressure is increasing. Urban mass transition is in the period of rapid development. The new generation of train control system-CBTC(Communication Based Train Control)is applied to the constructions of urban mass transition. In CBTC system,...

The performance of contemporary weapon systems has been enhanced by the development of military high-tech, which makes the maneuverable warhead as a new challenge of ballistic midcourse tracking. Aiming to solve the maneuvering warhead tracking, nonlinear filter algorithm, which is specially designed...

There exist issues of fast environmental degradation, poor intelligence, and low management efficiency with the improvement of breeding rabbit scale. This paper presents the standardization breeding system of rabbit based on internet of things (IOT). This project realizes automatic precise feeding, growth...

Recent years, an explosion of cyber-attack accidents once more sound the alarm on the significance of cyber-security issue. For the sake of establishing robust panoramic defense architecture in modern Cyber-Physical Power System (CPPS), an effective and quantitative vulnerability assessment of CPPS is...

In order to improve the efficiency of collaborative product design, project task and team should be allocated and scheduled reasonably. Firstly, the matching degree between task and team was defined. Then, trading-off project duration and cost, multi-objective scheduling model of collaborative product...

The Stimulated Raman Scatting (SRS) sometimes plays a negative role in a fibre OPO ring cavity, which may consume the signal laser power. We established a mathematical model for describing the SRS process in the OPO cavity. A SRS threshold is presented. The SRS net effective gain should be smaller than...

As Chinese paper-cut art of local culture, implies a deep cultural heritage, has extensive flat constituent elements and adornment sex is extremely strong. Through the paper-cut art many aspects cultural reference, apply paper-cut art in the design of the clothing fabric, and nationality color in the...

Currently, all of the transport sectors such as the aviation, rail, highway, marine and other areas' automated ticketing system have been basically able to quickly meet the needs of people-smart, saving manpower and material resources. However, small businesses and individuals need to further expand...

Due to the energy and resource constraints of a wireless sensor node in a wireless sensor network (WSN), WSNs adequately need effective mechanisms for data forwarding to enhance the energy efficiency in networks. To solve this problem, Multipath routing protocols are often used to balance the network...

In this paper, the features of HTML and XML were compared, and expounds the necessity of transition from HTML to XML, and finally introduces document conversion, XHTML conversion and intelligent instead of three kinds of HTML to XML conversion method.

In this paper, we analyze the current situation of gas filling station, find out the risk factors affecting the safety of gas stations, and propose a new algorithm based on BP neural network model. With the historical monitoring data of gas filling stations, BP neural network model can be used to approximate...

Hydraulic cylinder is the core of construction machinery remanufacturing. Remanufacturing enterprises in China are eager for finding out feasible remanufacturing process for the used hydraulic cylinder, which main failure mode is scratch on the surface of hydraulic cylinder bore. Causes of failure mode...

Communication transmitting tower is an important part of communication engineering, analyzing structural characteristics and dynamic characteristics of the tower has practical significance. The three-dimensional model of communication tower is established by Solidworks, and the model is simulated and...

In the mid and late 20th century, with the rapid development of computer technology, control technology, electronic technology and sensor technology, etc., multi-sensor data fusion technology emerged. Data acquired by multi-sensor data fusion technology has multiple levels and grades, which is of more...

With the maturity and popularization of the technology of power electronic transformation, the power drag, rectifier circuit is used in great quantities in the application fields such as power system, which is including diode uncontrolled rectifier circuit, voltage type PWM rectifier circuit. To stabilize...

In this paper, we propose a new watermarking algorithm for chaotic sequence based on wavelet transformation from the traditional digital watermarking algorithm in wavelet domain which has been introduced. We have researched the basic steps of watermarking embedding and extraction algorithms for the chaotic...

The present study was to investigate the effect of proactive personality (PAP) and cognitive flexibility (CF) on the student pilots’ situational judgment. This study was based on a sample of 222 student pilots from Civil Aviation Flight University of China. The results showed that proactive personality...

For networked control systems such as packet loss and delay of the basic problems, this article launches the research from the perspective of network scheduling optimization, build the QoS semantic model and service model for networked control, puts forward the multi-level QoS guarantee strategy deployment...

Gymnastic dance is an elegant sport which arouses interest of teenagers, more and more people are involved in it. The paper uses literature method, logical analysis method and field survey method to investigate the present situation of market operation of gymnastic dance club in Neijiang city, analyses...

This article discusses the problem of active detection and estimation for the elevation angle of a target in a homogeneous shallow sea environment, where a method using active detection on virtual time reversal (ADVTR) is proposed to solve the estimator performance decline problem caused by multipath...

Let G = (V, E) be a graph with vertex set V and edge set E. A bijection map f : E → {1,2, …, |E|} is called a local antimagic labeling if, for any two adjacent vertices u and v, they have different vertex sums, i.e. w(u) ≠ w(v), where the vertex sum w(u) = Σe ∈ E(u) f(e), and E(u) is the set of edges...

Artificial Intelligence and Machine Learning enabled smart cities have become a crucial part for the development of a country, it allows the data to be gathered in such a manner which gives track of all the records. This study focuses on these smart cities in to collect information which can be helpful...

Stock prediction is an important application in the field of data mining, which can help investors mitigate risks, estimate returns, and also anticipate company development. By providing historical stock prices of a certain company, machine learning/deep learning methods can be employed to estimate the...

Represented by two digital currencies, Bitcoin and Ethereum, the dynamic characteristics of the currency value of digital currencies are analyzed. First, we conduct a horizontal analysis of the relationship between these two digital currencies through co-integration and Granger causality test. Secondly,...

Augmented Reality is a new-age technology that offers a wide range of advantages that can enhance an individual’s experience, improve productivity, reduce costs, and has the capability to disrupt various industries quickly. The growth of AR has been especially significant over the past few years and...

In this paper, based on the materials between the years of 2001-2012 in Shandong province, we estimated the level of the fusion between informationization and industrialization, calculated the integration index, and quantitatively reflected the integration development level of the fusion between informationization...

In the practical application of power system fault protection, the traditional series current-limiting reactor has power loss and affects network security and stability. In order to exclude the negative impact, high-speed switch can be connected in parallel at both ends of the reactor. In that it can...

This paper presents a survey about the existing web-based information management system for volunteer services. Based on the survey results the paper highlights the new features and functions of the next generation of the volunteer service system. A prototype system incorporating these features and functions...

This article describes a new perspective of evaluating internal cost control efficiency for manufacturing enterprises through the efficiency of material, energy, labor and capital to find an efficient way to evaluate the efficiency of the implementation of internal cost control. The conventional way...

In the current situation, the market demand for applied translators is growing. The traditional model to train translation talents has been unable to meet the current social development, so it is necessary to cultivate a new model to train translation talent. We mainly start the analysis and research...

Application of BIM technology in the construction of assembly substation is the trend of construction industrialization and informatization in power grid industry. Assembled substation is composed of concrete structure and steel structure. In the process of building refined BIM model, two different models...

In order to study the teaching method of reading spectrum in junior high school, the present situation of reading ability of junior middle school students was studied by questionnaire in this paper, and the present situation and existing problems of reading ability of junior high school students were...

Considering the weak signal of partial radiant point, the traditional TDOA(Time Difference of Arrival) detector cannot meet the requirement. A weak signal detection method based on double time difference collaborative mechanism is proposed. In this thesis, the double time difference collaborative detector...