Advances in Computer Science Research

Aircraft flying in formation in wingtip vortices influence to the lift coefficient decreases, resistance coefficient increases, lift to drag ratio decreases sharply, the stall angle of attack decreases. Correctly reflect the aircraft wing flow field around the basic information, and to reveal the variations...

In the symmetry of mechanical system, we explored and made researches of related applications and the roles of mechanical principle decomposition symmetry, applied it to the real innovative product design. We established principle of space-time symmetry and principle of effect symmetry in the mechanical...

With colorful and changing light effect, crystal lamp has become the first choice for the indoor lighting facilities. Crystal lamps have many identical or similar elements in structure, so using CAD technology can assist the designers for the design and modeling of crystal lamps rapidly. In this paper,...

For the problem of Hardware Trojan detection, we analyzed the statistical properties of the power side-channel signal, and proposed a Hardware Trojan(HT) detection method based on the power side-channel signal. We processed the power side-channel signal by the maximum margin criterion(MMC), and projected...

Given that the Internet has promoted the overall transformation of international trade, the global marketing strategy of cross-border retail platform enterprises must be adjusted in accordance with the development of emerging Internet technologies and the digital business environment. The article aims...

Computer aided diagnosis method have been more and more widely used in biomedical area. A novel particle matching scheme is presented to quantitatively analyze the irregular level of biomedical particle images in relationship with the predetermined standard image. The specific cumulative matching distance...

This paper expounds the status quo of the lab management in institutions of higher learning and analyzes the existing problems and development problems. In view of the development trend of the networked lab management model in institutions of higher learning and targeted at the lab construction and management,...

The popularity of Android applications have grown dramatically in the last few years. Android applications run on mobile devices that have limited memory resources. Although Android has its own memory manager with garbage collection support, many applications currently suffer from memory leak vulnerabilities....

The research and application of Intelligent Transportation System has developed rapidly due to the demand on safe convenient comfortable and information-based modern transportation. It is important part of the research of Intelligent Transportation System to study different forms and operation rules...

In recent years, living standards has gradually improved, the demand of dairy products has continually increased, and then dairy market competition is fiercer than ever. How to optimize the product structure, how to broaden and deepen business sales channels and how to increase the propaganda has become...

This paper had studied the basic properties of an ordinary concrete beam and a RAC beam with 50% replacement ratio and a EC-RAC beam which contains 0.3% hybrid fiber respectively by 3 groups of 15 standard specimens, and three simply supported beams under shearing without web reinforcement was stimulated...

With the development of information technology, computer simulation technology has gradually become a commonly used science and technology in people's lives. In recent years, in order to increase practical teaching in college teaching, computer simulation technology has entered the field of education....

Recently, cloud computing has emerged as a predominant technique in the realm of information technology. The increasing demand of cloud computing platform in terms of computing and data storage so that the cloud providers offers numerous data centers present at various locations across the world. These...

Online tourism has become a new format because of its cross-industry and cross-boundary which makes the online travel supply chain more risky than the traditional ones. This paper established a complete online travel supply chain risk assessment system to realize the assessment. By innovatively introducing...

Faced with the massive information and data, signal and information processing need to solve the problem of removing redundant information and obtain useful information. The PCA method is introduced, which can detect the effective information in noise. Taking the simulated seismic data as targets, the...

In recent years, automatic seat belt detection system based on image processing and pattern recognition technology is one of the important research topics in intelligent traffic management, which uses computer image processing, pattern recognition and artificial intelligence technology to whether the...

Machinery equipment lightweight component weighs a lot in machinery equipment design and production. It can efficiently improve equipment's performance in environment-protection and energy-saving. Researches and progress in lightweight component has drawn extensive concern from many experts in China...

Cloud computing is a new way of network service, which transforms the traditional desktop task processing into the network based task processing. Hadoop is a Java - based software framework for distributed intensive data processing and data analysis. Web crawler is a program or script that automatically...

The cardiovascular system is a closed pipe system, which is composed of the heart and blood vessels. It can ensure the relative constant and the metabolism of the body's environment. The diagnosis and monitoring of cardiovascular system is the key part of the sports medical supervision, which plays an...

Along with the progress of the social economic development and the continues improvement of information technology, China's communications industry has also rapidly developed. In the current application of communication power, with the superior characteristics, such as high power conversion efficiency,...

Epstein-Barr virus nuclear antigen 1 (EBNA1) is essential for EBV episome’s replication and mitotic segregation. During this process, EBNA1 may interact with a lot of host factors. Bimolecular complementation (BiMC) assay is a useful tool for a detection of protein-protein interaction in living cells....

This document mainly focuses on the problems existed in floating experiment such as software complexity, real-time difficulty and test method lackness. According to the simulation requirment, experiment of flotation units is proposed, hardware system of the simulation system is designed and software...

Based on the Lomakin-Schiebe formula and by means of nonlinear weighted maximum likelihood estimate (NWMLE), the calibration curve fitting methods for atomic emission spectrum (AES) analysis were strictly deduced and the regression equations on the curve parameters were obtained. All the parameters of...

A mathematical model of motion blur is introduced. Based on block registration, combination Wiener filter recovery method of motion blurred images is proposed. And in the MATLAB platform, the method is simulated, which gives experimental results and result analysis. The experiment shows that the method...

M&A business is developed in global M&A trend. M&A business is one of core businesses for investment banks in western countries. In recent years, foreign securities trader M&A business is rapidly developed, which has become one of the businesses with the fastest growth speed. M&A business has become...

This paper analyzed thesafety problem of integrated system from hardware integration, data integration, interface integration and other aspects by using the method of percolation test. It focuses on security issues which newly created in the process of information system integration,namely the use of...

We investigate a single machine scheduling problem with a fixed unavailability interval on machine and rejection job. The objective is to minimize the sum of the flow-time of the accepted jobs and penalties of rejected jobs. For the demonstrated NP-hard problem, we first propose a dynamic programming...

A structural parameter identification method without input information and with limited observations is proposed to identify the stiffness parameters and damping coefficient, to inverse the input information and to estimate the unmeasured responses in time domain. The unique feature of this technique...

Application of computer database technology in information management is growing widely along with the rapid development of society. This development can not only efficiently improve the computer database running performance, but also clear out the whole information management system. This paper conducts...

this paper designs construction model of data base based on learning algorithm of C4.5 by combining with characteristics of railway signal system in China, meanwhile, it makes research and design on inference machine, explanation mechanism and human interface in expert system of fault diagnosis. It puts...

In the context of innovation-driven development strategy, science and technology innovation contributes to the improvement of enterprise productivity and comprehensive capability, and enterprise innovation is mainly realized through their R&D activities. Based on the strategic direction of science...

From centralized learning to distributed learning, data encountered a explosive growth. As distributed learning became very popular in a large number of areas, people began to care about the privacy issue. In order to dispel people’s concerns, federated learning was introduced. By the idea of “models...

The paper established a single-degree-of-freedom model for Active magnetic bearing (AMB) system, on the purpose to analyze the stability range of parameters for AMB close-loop system under the control of PD. Furthermore, it focused on the study of relationship between the AMB system's stiffness and the...

In the large data environment, the amount of mobile e-commerce information increases sharply and highlights the characteristics of users' location. How to utilize the user's location quickly and effectively to find the valuable information of the users and supply them with the decision-making service...

In this paper, a questionnaire is compiled to collect data about factors affecting the entrepreneurial intentions of English majors in Hei Longjiang province using a sample of 756. Through the analysis by SPSS, the results show that students' background information has less significance on entrepreneurial...

Many modern convolutional neural network architectures have been introduced, including MobileNetV2, which are both optimized for mobile/edge performance and suitable for theft detection on surveillance video. Due to the lightness of MobileNetV2, the proposed system allows the detection and classification...

E-learning is becoming more and more popular, which is a kind of learning mode based on network, with the dramatic development of computer and network technology. Although e-learning system is bringing about an education revolution, the lack of emotion and interactivity always persecute students and...

Based on the modern market economy, and according to the characteristics of digital libraries, this paper discusses the enterprise operating strategy for digital library from four aspects which are the operating environment, company management mode, business model and marketing strategy in order to ensure...

The booming internet services urge the research on the cloud computing and the network resource utilization. The combination of elastic optical network and data center can solve the network resources deficient problem and the computing resources unbalanced problem. Virtual optical network embedding provides...

In the light of the hysteresis of video surveillance call video in public places, as well as the current video surveillance function of a single, in order to improve the real-time performance of monitoring, a detection method of human abnormal behavior based on optical flow method is proposed. The foreground...

This system is mainly to the traditional cooling system for the appropriate improvement through the cooling water tank, water pump, pipeline, water, the global positioning system GPS, liquid level sensor and the central control system. When the vehicle down a long slope, through the GPS issued an electrical...

Imagery painting is an emerging art form that combines western painting materials with Chinese traditional humanistic ideas and philosophy. It is more or less influenced by Western modern art, and combines the concepts of “spirit”, charm” and “feeling for scenery” inherited from traditional Chinese paintings,...

Scope, modeling principle and methods of power distribution network equipment state control model are proposed after research according to actual needs of power distribution network equipment state control. Foundation model applicable to power distribution network equipment state control is tailored...

To obtain recombinant Epstein-Barr virus (EBV) particles with the neomycin resistance from BAC-EBV with hygrymicin (hyg) gene, homologous recombination was employed for altering the original hyg gene to neo resistance gene in the BAC-EBV genome. The kanamycin marker gene (kan) containing the recombinant...

This paper conducts a research on the literature of Brain Computer Interface(BCI) in recent years, inducing the four components of BCI and the research topics respectively, and providing a guide to newcomers for exploring BCI. BCI is divided into four parts including signal collection, feature extraction,...

Based on the investigation data on Cr in waters in Jiaozhou Bay in May and August, we analyzed the spatial and temporal distributions of Cr. Results showed that the horizontal distribution of Cr in May was inhomogeneous, yet in August was homogeneous. Cr contents in marine bay were undergoing a process...

In recent years, the popularity of smartphones increases rapidly. Although the smartphone market is a sharp increase, its utility is still limited to the battery life. Therefore, much research effort has been made in order to understand the power consumption of the application to run on mobile devices....

Research has shown that social media platforms on the internet such as Twitter, Facebook, Youtube, Reddit, blogging platforms have become a breeding ground for terrorist organisations to spread their beliefs and agenda, and recruit members by reaching audiences far beyond the country borders. Concerns...

Image classification is one of the important classifications in the field of computer vision, and the development of deep learning models has brought historic breakthroughs to the development of image classification. Transformer model, as a powerful sequence modeling tool, has achieved great success...

Aimed at the selective catalytic reduction (SCR) system, an electronic control unit (DCU) was developed under V-type procedure. Development of DCU software and hardware were carried out simultaneously, shortening largely the development cycle. The self-developed DCU, integrated with Bosch SCR system,...

According to the structure and motion characteristics of Planar Articulated robot to simply the model.On the basis of the robot kinematics analysis,use D-H matrix for modeling ,mathematical model of the pose is obtained.Based on the dynamic simulation software ADAMS to establish the Virtual prototype...

The advent of the big data era has promoted the improvement of the information level, while the construction of the smart campus of big data colleges and universities is still in the primary stage. This paper analyses the model of big data construction in Colleges and Universities, and further explains...

The French CAC40 index represents the most important index for the French stock market, and is composed of 40 most significant stocks in the Euronext Paris. Thus, the behavior of the CAC40 index is the subject of numerous studies, of which the efficient market hypothesis (EMH) is a hot topic. One way...

Honesty is the traditional virtue of the Chinese nation Is the first of quality education. College students are the master of the future society, Should have the necessary integrity of quality. However, With the continuous development of social economy, The problem of college students' integrity is becoming...

According to the network data of mobile packet domain in backbone network, this article analyzes the correlation model of network load index in mobile packet domain. Based on the mobile service and analysis model of user behaviors, in this paper we proposed a correlation model and curve model on total...

By observing the responses of participants to exposure to moxa smoke, the safety of clinical application of moxibustion was assessed. Methods: Individuals who had been exposed to moxa smoke for over one month and met the inclusion criteria filled out a questionnaire survey administered by multiple professionals...

The principles of inverse filtering, wiener filtering, and histogram equalization combined median filtering are introduced and studied. Three image restoration methods are compared in a variety of blur and noise conditions. Their own advantage and disadvantage are described. The simulation experiments...

In order to detect the starting and recovery points of noisy voltage sag signal, this paper proposed the wavelet soft threshold method for denoising and the wavelet transform for detecting the singular points. Comparing to the FIR filtering method, the wavelet soft threshold method can filter out the...

As a new modern management method, the core idea of ERP(Enterprise Resource Planning) can integrate the logistic, capital flow and information flow. Based on the author's work experience, this paper first analyzed the new characteristics of the ERP strategies in the financial management system, then...

By means of analyzing the Controller of CMM and its information model in the net, this article obtains the flimsiness and requirement to defend attack of the system. This article researches the interface of communication and communication protocols in the application layer of the main Controller of CMM....

The drug quality safety is a issue that governments have attached great importance to. The Chinese version of the CMP puts forward strict requirements of " traceability " in the pharmaceutical production process for the pharmaceutical industry.This paper mainly introduces how to realize the electronic...

This paper introduces a kind of method of printing photos and recycling used beverage bottles. Users upload photos by WeChat, then download the photo with the bottle-recycling device. After choosing the selection of ‘Throw Bottles For Printing’, the device can count the number of bottles threw in. Achieving...

With the continuous development of knowledge economy, knowledge as the primary productive force has received extensive attention from all walks of life. The contemporary college students, as the carrier of professional theoretical knowledge, are the mainstay of the future development of society, affecting...

Standalone multi-element complementary microgrid plays a very important role in solving the electricity problems of many areas, which are rich in renewable energy but have problems in the power supply of traditional power grid. To ensure the reliability of power supply while improving overall economic...

Because of its unique system features, it is very difficult for small rotor UAVs to be modeled. In this paper, the method of unmanned aerial vehicle modeling is summarized in detail. In order to achieve a good control effect, the accuracy of the model is very important for the design and verification...

This paper introduces a method to solve the current distribution of half-wave dipole by using MOM. In the three-dimensional coordinate system, the z-coordinate is segmented uniformly. The pulse function is selected as the basis function and the impulse function as the matching function. The Pocklington...

Under the trend of economic globalization and rapid development of information technologies, the production management mode of enterprises is changing dramatically. Meanwhile, traditional enterprise production management mode cannot be unable to adapt to the changing market environment. This paper studies...

Test Automation is widely used. Since there are some differences between the environment of test automation and development, developers sometimes can’t reproduce bugs in their local environment based on bug reports. To solve the issue, this paper introduces an approach that integrates the environment...

Corresponding to the conventional anti-freezing agent, namely, sodium nitrite, the early strength development of the cement-fly ash composite cementitious material curing in the solution of water and sodium nitrite were investigated, respectively. The results show that, adding sodium nitrite increases...

With the exploration of Internet information, searching has become an everyday task for both adults and children. Unlike adults, children have more difficulty identifying the Web information and they are more susceptible to unhealthy or misleading information. However, the existing search engines supporting...

Remote chess game system use the network transmission to let the rival chess image transfor to our own computer.At the same time,the virtual chess pieces that represent our own chess pieces are in the rival chess image.The image on monitor show the two sides of chess pieces real-timely.The detection...

The Parachute deployment height of sensing reconnaissance submunition has great effect on its landing state and precision; to determine deployment height of sensing reconnaissance submunition, using MATLAB/Simulink simulation platform, the motion of Parachute-Submunition System was simulated by numerical...

Fabric defect detection has been an active area of research since a long time and still a robust system is needed which can fulfill industrial requirements. A robust automatic fabric defect detection system (FDDS) would results in quality products and more revenues. Many different approaches and method...

In the increasingly complex dynamic environment, board capital provides a new perspective for the board of directors to study corporate strategic change. In this paper, a total of 93 listed companies in the Science and Technology Innovation Board from 2017 to 2019 were selected as samples. Through coding,...

The experimental work for water optics cost a lot of time and efforts. Researchers in many places still depend on the traditional lifting sensor methods of measuring and recording water optics data. In this work, a new design of data acquisition platform is described, which is equipped on a platform...

The Common Information Model (CIM) is an abstract data model that use in Distribution Management System (DMS) applications. And DER devices use IEC61850 information model. Because DMS and DER systems use different data modal, the bi-directional message mapping method need to study. The article analyzes...

Virtual hand grabbing operation simulation is one of the hardest interactive simulations in astronaut virtual training. This paper proposed a couple of non-contact grab determining rules and a grab simulation method based on finite state machine (FSM) to simulate the grabbing operation of virtual hand....

This study focuses on deep subspace clustering in a federated learning framework, aiming to address the challenge of clustering high-dimensional data with privacy protection in a distributed environment. Traditional deep clustering methods usually have difficulty dealing with complex data scenarios and...

The preparation technology of enzymatic peptides of Corbicula Fluminea was studied in this paper. Alcalase, Papain, Neutrase and Protamex were used under their own optimum pH value and temperature, with the same other parameters. The results indicated that Alcalase had the highest degree of hydrolysis...

The training quality of postgraduate students has always been a focus in the education industry. Proper ratio of tutor and students is the precondition for it. The existing tutor mode cannot afford the enrollment expansion. Tutor team is desired, which can eliminate the conflict between enrollment expansion...

In order to detect the key nodes in the aviation network, a node detection algorithm is proposed. In view of the fallibility of previous methods, this algorithm integrates the improved closeness sorting algorithm and the importance evaluation matrix. Firstly, the model of the aviation network is constructed....

The technological superiority for the external thermal insulation system was researched and analyzed in this paper. The anti-seismic protection standards and objective of the external thermal insulation system were proposed based on the anti-seismic programming principle of nonstructural components....

As the way of non-contact mode of sensing, the application of industrial robots in production line is more easy to adapt to the change of product and put work piece. Robot vision provides the real-time target state information of the object, so it has been considered to be one of the most important awareness.Vision-guided...

Cooperative learning, as a new teaching approach, has been widely applied to teaching practice all over the world since its first emergence in America. After the theory of cooperative learning being introduced to China, it has accelerated Chinese educational reform. The mode of cooperative learning has...

In the parameter identification for transmission line, there often exist the gross errors in the measured data and lacking of robustness with traditional least square. This paper applies the Huber estimation to the transmission line parameter estimation, i.e., proposes a robust least square estimation...

In order to meet the need of semantics recommendation to personalized commodity in e-commerce, the model based on fuzzy semantics personalized recommendation system is built to describe the integrated user’s interest feature and commodity information. The user’s interest degree of commodity and the correlation...

The segmentation of CAM images are prerequisite and fundamental steps of studying the drug effects on angiogenesis. In this paper, an evaluation method for different segmentation algorithm of CAM images is proposed. Firstly, a CAM images dataset consists of 4 distinctive features (uneven illumination,...

The studies on erosion process of naturally restored grassland were not only very important for understanding of the effect of naturally restored measures on runoff and sediment reduction, but also necessary for analyzing the reasons of water and sediment dropped in Yellow River. This paper adopted simulating...

Electrospun fibers with many advantages such as nano-structure, large specific surface area, high porosity, have been widely applied in the field of sensors. This paper mainly introduces latest development of electrospun fiber applications in biosensors, gas sensors and metal ion sensors. Biosensors...

Personalized learning is a critical need in today’s dynamic educational landscape, where learners require tailored pathways to develop skills effectively. This paper presents a web-based platform designed to assess users’ current skills and recommend courses aligned with their interests and career aspirations....

This is an avant-garde e commerce-controlled audio platform project specifically designed for visually impaired persons. The platform uses the Django web framework to add text to speech and speech recognition support, which allows a user to browse through the store, search for products, and complete...

Due to the difference between evaluators' ability and experience, the influence of each evaluator on the evaluation result should be different. Determining the weights of evaluators is an important step in group evaluation. In order to track the research progress and find the research tendency, a large...

With the development of mine automation technology, more and more electronic products are installed in coal mine. In order to strengthen the safety management of the mine products, research on dynamic management technology of mining products safety approval and certification based on UHF is proposed...

The coupling interaction between multiple grid-connected inverters, inverters and grid in the clustered grid-connected distributed photovoltaic (PV) system can cause series and parallel harmonic resonance in the grid. The power quality of grid is seriously affected. Therefore, the resonance problem of...

Crypto currencies have emerged as a popular investment option in recent years, with Ethereum being one of the most prominent ones. Accurate price prediction of Ethereum can provide valuable insights to investors and traders for making informed decisions. In this study, we utilized two time series prediction...

To investigate the effect and mechanism of curcumin in diabetes mellitus mice. Methods Diabetic models were induced by a single vena caudalis injection of streptozotocin(STZ)into mice at a dose of 50mg•kg-1 body weight and was randomly divided into five groups:untreated diabetes group,diabetes group...

A ground water heat pump system (GWHP) of a university in Tianjin was introduced, and the system was compared with the other two heating and cooling systems in this paper. The initial and operating cost was calculated, and then the advantages and disadvantages of the systems were analyzed. The results...

Aim at solving the constraints of storage and processor of the slow data acquisition system, the system based on SD card and LPC2141 is designed. It adopts 6 channels AD sampling which sampling rate is more than 400ks/s and SD card with large capacity storage, and extends the transmission function by...

With the increasingly complex of the market competition environment, enterprise competition is increasingly fierce, more and more enterprises has realized the importance of innovation for enterprise survival and development. Currently, the development of SMEs is not optimistic, due to lack of sustainable...

On the basis of the nonlinear differential equations systems was developed and realized in a Math Lab package the behavior model of thermal processes indoors for automated control system of energy saving.