Advances in Computer Science Research

The paper presents the results of physical modeling of the wind pressure. Systematic data are obtained for the pressure coefficient distribution over the sides of the different-size building models under the airflow conditions. These conditions are provided by an obstacle situated in front of the building...

Ocean is the potential wealth of human society sustainable development in 21st century, the development and utilization of marine resources is a new growth point of our national economy in the future. Under the deep analysis of the evolution process of Qinhuangdao ocean development path, the future marine...

Memory leaks of static analysis need to be more accurate to determine memory state of different times. The current static memory model has a high false positive rate and false negative rate, mainly because the current memory model cannot accurately represent memory state and memory hierarchy. In this...

As a kind of artificial intelligence technology, fuzzy control is widely used in the non-linear control system, and the application will be effective in industrial production, and then many large lags and nonlinear problems have been solved. This paper focuses on the research of the application of fuzzy...

When using GPS carrier phase differential technique for dynamic positioning, the traditional LAMBDA (Least-squares AMBiguity Decorrelation Adjustment) has shortcomings in the existence of iteration, long solving time and large amount of calculation for decorrelation processing. Based on the rapid ambiguity...

With the rapid development of new e-commerce model, the implement the retail model of online to offline has increasingly high requirements to users experience. This paper combines the users experience theory model with the Business Logic Layer design of shopping site, proposes the “user center” ideal...

Firstly, under known conditions, the dynamic scheduling model of RGV intelligent vehicle is established by analyzing the process under different processing conditions. Through this model, the optimal route and the shortest time for RGV intelligent vehicle to respond to CNC of NC machine tool in material...

With the formulation of the national strategy document "Made in China 2025," China's manufacturing reform has drawn great attention. China's manufacturing industry has a large total export volume, but it is generally at a low level in the Global economic chain. The gap between different industries in...

In April 2020, Atlantis Press was alerted to fake proceedings articles hosted on our platform. These articles, mostly in computer science and engineering, were generated by the SCIgen computer program and were all published between 2006-2018. Immediately after receiving the alert, Atlantis Press initiated...

In order to ensure the accuracy of decision-making, need to be integrated the inevitable uncertainty information and fuzzy information into their decision-making process. In view of this, this paper proposed a Cloud TOPSIS method with the decision matrix contained the uncertainty and fuzziness information...

The "Goldbach conjecture" is proved by "simultaneous screening of positive and negative sides". And the computational values of "modeling" in various scientific fields coincide with reality, theory, experiment and astronomical observation. The universe is superimposed by the energy of equal positive...

In recent years, people’s technological advancement has led to the rapid development of drone technology, but there is still a long way to go before the realisation of drone technology that does not require a human to operate it. Currently, people’s drone technology is at the stage where it does not...

With the development of Internet, collaborative editing over Internert becomes a common office affair,which can support a harmonious human to human interaction.Peer-to-peer (P2P) networks are very efficient for distributed collabotative editing. Existing many collaborative editing algorithms depend on...

There were examined 77 people trained workers exposed in the workplace of metallic mercury vapors from 4-5 year intervals, who were divided into groups according to the time at the time of examination: I group - 5-9 years, II group - 10-15 years old, III group - 15 years or more. All individuals were...

In order to solve the problem of pseudo approach in SPP, an unsupervised algorithm named sub-pattern sparsity preserving projection(SpSPP) was proposed in this paper. In the proposed algorithm, face images are firstly divided into smaller sub-images, and sub-images from the same location are collected...

The current routing mechanism is more and more difficult to satisfy the various service demands due to the rigid structure and simple ability. Aimed at this problem, this paper proposes a new programmable router architecture to support diverse applications and emerging communication paradigms—PRFC. PRFC...

Based on the theory of competition, social network analysis and the game theory, this thesis builds up the game model of portal competition analysis, studies the current status of portal competition from a new viewing angle, to add a new analytical tool and viewing angle for the research of portal competition...

Customers often complain a vehicle noise although the interior noise A-weighted sound pressure level has reached the same level of excellent vehicle. To solve the problem of large interior noise and messy sound of an own brand SUV, relative approach analysis is utilized, which is detected the frequency...

To address the influence of the image pre-processing and feature extraction on the recognition rate in face recognition, we propose a algorithm with high recognition rate and fast face recognition under varying illumination environment. The new algorithm deals with complicated illumination conditions...

As an important language phenomenon, public signs perform great social functions in people's daily life. Public signs, which can be seen in public place affect us in many ways are necessary to us. With China's development, more and more foreigners come to China for their business, tour and study. Public...

With the acceleration of science and technology, public transport has become an important travel tool, so the public transport inquiry system is becoming more and more important. China's urban public transport enquiry system is in the early stage of its development. Therefore, people have less information...

The economic development has entered a new normal, and the development of SMEs in China has emerged new features. Financing problems are more complex. In order to solve the financing problems of SMEs, this paper makes deep analysis on the current major financing difficulties faced by the Chinese small...

Fraud in digital payments poses a significant threat to user security, requiring robust measures for prevention and detection. The proposed project, SafeScan, offers a comprehensive solution to address these challenges by developing an integrated system for proactive fraud detection in digital payments....

In order to control effectively the superheat, improve the utilization of evaporator and make the refrigeration system run stably, this paper sets up a dynamic model of the mobile phase interface first, and linearizes the model in operating point to obtain a five-order liner equation. Secondly, the modeling...

The Yugur folk songs with distinctive ethnic characteristics. Traditional folk songs retain more features of minority folk songs, and have important research value and cultural value. The eastern folk songs due to historical and geographical factors, and in the process of language integration, with the...

In the power marketing, electricity management is a very important section. In recent years, with the constant deepening of national power system reform, higher requirements have been proposed for the management of electricity bill since the traditional mode is unsuitable for the power system reform....

Recommender systems are playing a more and more important roles in people’s daily life and collaborative filtering (short for CF) is a widely used approach in recommender systems. In practice, many E-commerce companies such as Amazon use CF to make recommendations. However, as the number of users and...

In view of the current issue that the shearer in coal mine fully mechanized working face can't accurate automatic identification of coal rock interface, the method of using the shearer motor working parameters to reflect the hardness of coal and rock is put forward. The stress of roller cutter pick,...

The study examined the relationships between the negative emotional experiences, emotion regulation strategies and moral judgment of college students. The results showed that subjects express more anger and less sadness during the test process. As to adjustment of the two negative emotions, relative...

With analysis of the development of domestic and foreign city safety management information system, the need of the database of city safety management information system were analyzed, which was combined with the characteristics of China's safety management system. This paper tried to design the emergency...

This paper analyses the current situation of Chinese mobile payment industry, and then discusses the win-win benefit mode that take third-party mobile payment companies as main body. Now, two kinds of payment processes––the web page payment and the APP payment is summarized, meanwhile, the paper explores...

The article introduces a new method of detection for the angular displacement of the permanent magnet synchronous motor(PMSM), which converts the angular displacement to digital quantity by using the resolver-to-digital converter AD2S1210. It focuses on the working principle the system and the design...

In order to solve the problem of rapid positioning of doors, windows and frames existing in the plastering process of the intelligent plastering robot, a pose adjustment system of robotic arm based on binocular vision and machine learning was proposed. The system tested a variety of feature point detection...

In order to study the information interaction department of the large complex spacecraft integrated test system. First, we need to analyze the information interaction technology of the spacecraft test system. Through analysis, we use data distribution service (DDS) specification to spacecraft. The information...

In this study, we construct a decision-making model for the market of assembled dwellings considering the level of subsidy and set up three strategies of cost subsidy, price subsidy and no subsidy for comparative analysis, in order to explore how to promote the rapid development of assembled buildings...

This paper reports results from an empirical study that explored the potential of interactive electricity Demand- Shifting – a particular form of behavior change where electricity consumption is shifted towards times of the day when production is at its highest – in the context of residential solar electricity...

According to the actual transmit situation of v-belt ,analyze radial deformation and circular deformation of any position of dynamicarcarea of driving wheel and driven wheel and the method and Formula Equivalent Coefficient of friction direction angle is given; on the basis of a practical example, a...

Intranet and extranet information interactions are increased constantly aiming at IP network equipment interconnection, which become actual conditions of more and more complex uncertain systems. A malicious code behavior detecting platform is designed and realized by combining with the characteristics...

The planning and designing of the power grid structure is most important in the planning and construction of power grid. With the development of urbanization and widespread insertion of distributed generations, the traditional planning method for urban power grid structure is facing new challenges and...

Rice production mechanization has important practical significance to ensure food security, improve the production efficiency, and reduce labor cost. This article is based on field investigation data of transfer machine running situation. By the statistical method, it studies the transfer machine and...

With the development of Internet technology, Internet data growth rapidly and become big data. According to the different properties of the network big data, network big data classification is the foundation of many network applications, including network data management, green Internet, network bandwidth...

With the development of the city, the subway has been developed vigorously. along with a large number of subway construction, the use of subway design simulation software was more and more prominent. SES simulation software is commonly used software in China Subway Thermal Environment Simulation and...

One crucial piece of technology to guarantee the regular operation of mechanical systems is the prediction of mechanical vibration signal failures. This paper reviews the recent advances in traditional methods for predicting mechanical vibration faults and machine learning-based methods for predicting...

Considering netizen opinion is influenced by many factors in the spread of public opinion, combine the Bass theory and traditional cellular automata model, add external influence, degree of neighbor and external influence, a hybrid model for the evolution of online public sentiment considering the external...

Among different strategies for Artificial Neural Networks and learning calculations, Self-Organizing Feature Map (SOFM) is a standout amongst the most well-known models. The point of this study is to order features affecting the natural yield and yield of Maize utilizing Self-Organizing Feature Map calculation....

The quadratic regression general rotating combination experiment with four factors on the vertical double-disc pneumatic seed and fertilizer-metering mechanism was carried out to assure the rate and spacing of the seed and fertilizer on the paper tape during the operation of rice seed tape twisting machine....

With the rapid development of living standard, the demand for housing is rising. Prefabricated affordable housing (PAH) is an important way to solve the problem. In this paper, the factors of sequential PAH demand and the future development trend in Shenyang is analyzed by regression equation. By mathematical...

A new sunflower diseases recognition algorithm has been presented, which is based on image processing and pattern recognition. Firstly, sunflower diseases were collected for segmenting disease spot. The color histogram based on RGB space and color features based on HSI space of leaf for disease are extracted,...

Design content includes the choice of controller, design of external wiring, design of PLC programming. According to the movement process, write PLC program. The program has four components, the initialization program, the manual operation program, the automatic return to the origin program, and automatic...

Methods for measuring functional diversity are the basis of community studies. Two newly functional diversity indices, fuzzy index and SOFM index, were applied and tested in functional diversity analysis in Acanthopanax senticosus communities in the Dongling Mountains in China. Thirty quadrats were established...

The use of Ontologies in the present is becoming very common and widely used in different education areas, some areas of the engineering such as aerospace, can improve with the application of this informatics tools. Classification of aircraft as an object and al his components has become an important...

Use of computer-aided process planning in NC machining of parts, not only can improve the overall level of manufacturing parts, can also greatly improve the level of product quality, computer-aided design technology designed to improve process efficiency, accelerate market response speed, shorten the...

Observation expansion has brought new requirements for validity, security, stability and integrity of observation data transmission in recent years. Under this background, this paper designs a modularized marine observation data transmission system, describes its overall architecture and software design...

Aimed at the character of the numerous instruments and the high price in large-scale aircraft cabin, a half-entity emulation method of using virtual instrument with actual panel is presented. According to the basic active status and performance parameter of certain engine, a multinomial fitting method...

This paper puts forward to a novel intelligent methods for pointer instrument reading to replace human reading. The images of pointer instrument are captured. Firstly a segmentation algorithm based on unsupervised learning is presented to segment the image for locating the scales and pointer. This algorithm...

A reliability model of part repairable dual-mode redundant system is established and analyzed using Markov process to satisfy the reliability design requirements of multiple core parts of complex system redundant units. The model considers multi-factors, such as effects of maintenance, fault detection...

Most of audio players on the market use the hardware filter or DSP chip to process spectrum, the use of the techniques on the one hand requires high hardware costs, on the other hand, software and hardware implementations is more complex. In order to overcome the shortcomings, a spectrum display using...

Food is an essential part of our lives. India is a diverse country with each region having its own special cuisine. Eating out was not much of Indian style, but the present senior is different. The restaurant industry in India has been emerging at a rapid pace in recent years and is expected to continue...

With the development of modern information technology, it becomes increasingly easier for users to obtain information through various type of services or applications. However, it also brings difficulty for users to search for really desired information among massive corresponding data. Thus, recommendation...

C# is a very commonly used computer language in today’s computer programming. Its powerful operational capabilities and innovative language features make C# a tool for many system development. Nowadays, with the development of computer technology, many fields in our country are trying to use computer...

This paper explains the application of the net present value rule to actual investment scenarios. Examples are given of how the NPV rule can be used in actual machine production to help investors decide the best time to sell in a single or repeated investment scenario and thereby maximize the benefits....

As for China, since the reform and open, domestic industries have shown a quite obvious tendency of agglomeration, which catches the attention of both economic researchers and policy makers. However, although it has been proved by the previous researches that China's opening up to the outside world promoted...

Different numbers of terms and texts of training set are involved to optimise the performance of sentiment classification for Weibo repost. The experiment utilises CHI-square test to extract terms and uses support vector machine (SVM) to classify the different sentimental categories. By measuring the...

With the development of information technology and network technology, accompanied by a large number of leisure food enterprises into the industry competition, how to enhance the competitiveness of enterprises is to think about the topic. This article takes small and medium-sized leisure food enterprises...

This paper first defines the concept of the power big data and intelligent marketing, and then describes the status of power marketing in developed countries such as the United States, Japan and Britain, and then analyzes the pressure the traditional marketing mode of traditional power of China is facing...

To the question of test point selection in test or diagnosis for complex electronic equipments and large scale circuit, a test point selection method based on circuit topology and correlation modeling is proposed. This method, firstly, established the topology model based on circuit function structure,...

The UML modeling technology is a kind of common graphical modeling language in the object-oriented development, which is in good graces of a majority of technicians for its well-defined, expressive, powerful and widely-used feature. With the development of the society and the progress of various mechanical...

In this paper, an intelligent charging system which is based on single-chip microcomputer system is introduced. The hardware and software realization of intelligent battery charger based on MCU are presented. The charger studied in this paper has higher practical value and accumulates a lot of practical...

The so-called humanistic spirit is the affirmation of human existence value, is the reason why people become a symbol and carrier of human spirit. Art is the external reflection and expression of the human spiritual world in some form. Art can reveal human dignity, emotion, happiness and freedom, and...

In recent years, science and technology have been widely used in the development and construction of various fields, among which computer network technology has achieved good results in a short period of time and is more important for people's lives and work. Computer network technology in the process...

The gamma spectrometer is a radiometer that measures the gamma ray energy distribution and radiation dose. It is an important nuclear science physics method. It is one of the main methods to solve the problems of the earth sciences, environmental sciences and other issues. In this paper, virtual instrument...

In view of the low gain and single frequency operation of common microstrip antenna, a novel dual-band microstrip antenna which is fed by microstrip line is proposed in this paper. Using software HFSS to simulate and optimize it, the antenna can work at two bands which are 3.25-3.35GHz and 4.31-4.42GHz.The...

Several machine learning algorithms have been proposed in recent years to design accurate classification systems for a wide range of diseases such as cancers, hepatitis, and coronavirus. In this study, the Classification and Regression Tree (CART) is proposed to predict breast cancer in the early stage,...

The present study discusses on the solute dispersion in a blood flow through an inclined artery with the presence of chemical reaction. The blood flow is considered to be laminar, incompressible and steady flow of Bingham model. The continuity and momentum equations are solved in cylindrical coordinate...

With the popularity of computer technology, anyone can now upload data resources on the Internet today, which means that the authenticity of data information collected in ordinary browsers is not well guaranteed. Nowadays, the accuracy of only using the browser to query the data is not high. In order...

Nowadays, the proportion of Chinese short text gradually increases in the Internet information. Without the division on the length of text, indexing and retrieval of traditional full-text retrieval system result in low efficiency. Oriented to short text application scenarios , we designs overall three...

For the sparse features of the microblogging text, the author proposes a method of microblogging text classification based on the features extension by Word2Vec. We train the text by using Word2Vec tool and find the words which are similar to original features semantic as the features of short text....

The non-negative matrix factorization (NMF) algorithm is a classical matrix factorization and dimension reduction method in machine learning and data mining. However, in real problems, we always have to run the algorithm for several times and use the best matrix factorization result as the final output...

As there are an increasing number of 3D models available on web, it is necessary to develop a system to help people find and get them. In this paper, we propose a system for content-based retrieval of 3D models on web. Users can submit an example 3D model to the retrieval system, and it will return a...

The development of the Internet of things has put forward new requirements to the data processing capacity, and outlier detection has found an increasingly wide utilization in the field of data mining. The accuracy of the outlier detection algorithm based on Euclidean distance in the high dimensional...

Text localization is a crucial course for image processing. In this paper, an algorithm for text localization based on Complex Nonsubsampled Shearlet transform (NSST) is proposed. Complex NSST is implemented by a projection followed NSST. The Projection operation converts the input image into its analytic...

In a designated verifier signature scheme, only the designated person can verify the validity of the signature. Due to such attribute, it could be used in many fields such as financial payment system, e-voting, and e-taxation. Recently, Lee et al. proposed an identity based signature scheme to overcome...

XML has become the standard of data representation in the science and business application and standard of data exchanging among applications in Web. Driven by the demand and technology, various database vendors extend the function of XML. This article introduces an application system in the computer...

Cultivating objective of public security colleges is to transport high-quality probationary police officers with strong skills to front line of national public security, judicial and safeguarding departments. For young teachers undertaking the main teaching tasks, their teaching ability directly influences...

To improve the detection performance and detection speed of wideband spectrum sensing algorithms with little priori knowledge, a scheme of cooperative wideband compressed blind sensing without reconstruction based on higher-order moment (CWCBS-HOM for short) is proposed. The test statistic is extracted...

In this paper, the characteristic of radar clutter spectrum is studied in reverberation chamber (RC). The similarity between reverberation chamber field environment and radar clutter environment and the feasibility of simulating radar clutter environment in reverberation chamber have been analysed. A...

To reduce active relays in peer-to-peer relay networks, a sparsity promoting penalty term is introduced into the objective function to obtain beamforming weights through minimization of the total relay transmit power while the signal-to-interference-plus-noise ratio (SINR) at the destinations are guaranteed...

This thesis firstly analyzes the tendency of interactive development of Yangtze River Delta city circle tour under the perspective of regional integration and draws a conclusion that “regional tourism” and “tourism regionalization” have continually developed in the Yangtze River Delta city circle. Then,...

The article studies dynamic of the Index of social feeling in Siberian region and its linking with modernization processes in Russia. The empirical base of the research was founded with the use of public opinion polls, which were provided in 2011, 2015. The research is complemented with the regional...

In this paper, a novel capacitive pressure sensor with large dynamic range is presented. The working principle and the design structure of the sensor are demonstrated in the paper, then the theoretical calculation of mechanical properties, capacitance and the simulate results are performed. The study...

In the design of millimeter wave E plane waveguide filter, E-Plane septum modeling and analysis is a key link. Accuracy and speed of modeling method will greatly affect the design of filter. It is proposed to use support vector machine (SVM) to the accurate modeling of E-Plane septum. Compared with the...

On the basis of mirror reflection characteristics, the article analyzes the relation between the space plane that rotates about a point and reflective light change, designs mirror reflection and orientational irradiation automatic tracking control model, establishes signal conversion equation, drive...

In order to further improve the seismic performance and stability of civil engineering, as much as possible to reduce the economic losses caused by the earthquake, so, improve the structure of civil engineering structure seismic capacity should be further researched by relevant staff. Based on the actual...

In this paper, mechanical properties of magneto-rheological(MR) fluid is compared with MR fluid which is added by graphene. We mix the MR fluid with graphene oxide (GO) by 0.33% mass fractions (G33). Adding the graphene into MR fluid has an effect on the viscosity. Furthermore, MR fluid largely changed...

The widespread and rapid development of wireless communications and mobile devices has made government service methods different from before. The government is also constantly improving its service methods to provide better services to citizens and the government. This is precisely the case, with the...

According to the application of bearing roundness measuring instrument in the field of bearing production, and developing a control system of the bearing roundness measuring instrument based on CPAC. The system adopted that CPAC as hardware platform combined with Otostudio as software platform to modular...

Double channel forming machine opening quality data by sampling and conversion into the mining of association rules based on Apriori algorithm, correctness verification and quality deviation setting parameters, makes the equipment in adjusting the parameters set to drive the delivery index get reliable...

Based on the theoretical perspective, this paper examines the relationship between intellectual property protection and technological innovation in developing countries or regions. Based on the technology spillover under closed economy, this paper constructs a Cournot competition model based on sub-game...

In order to increase the efficiency of system dynamic modeling and simulation, the order reduction method of system dynamic equations based on vector bond graph is proposed. Based on system independent energy storage field, resistive field, source field and junction structure, the different unified formula...

The work presents the knowledge base of the expert system of the aggregate assessment of the level of industrial safety at a hazardous production facility, based on the use of the logico-axiological approach. The fundamental hypothesis: the reduction in production safety is due to the presence of "NE-factors":...