Advances in Computer Science Research

The technology of extracting network information parameters from FH Synchronization Orthogonal network signal distinguishing is proposed in this paper, then its performance is simulated.

In recent years, people pay more attention to the problem of increasing power consumption of wireless network due to the rapid development of information and communication industry. Using heterogeneous network has been a possible way to solve this problem and improve energy efficiency. Significant research...

As an important tool to study practical problems of biology, engineering and image processing, the cellular neural networks (CNNs) has caused more and more attention. In this paper, by means of iterative analysis, the existence of periodic solution and the uniform stability of the equilibrium point of...

In this paper, the support vector machine (SVM) is applied for the early warning of financial crisis of listed companies, financial early-warning indexes and quantitative methods are analyzed, the early-warning ability of SVM model is verified by combining with the financial data of listed companies,...

In corporate business activities, the identification and control of risks by enterprises has become an important task for corporate management activities. This is also a long-term task for companies. For enterprise managers, it is necessary to invest in the company's own operating conditions on a long-term...

A Monitor AGC control system is applied to a hot strip mill in a steel plant, due to some irrationality gain factors and the hysteresis of the Monitor AGC control output, the strip thickness deviation is large. This paper designs a new type Monitor AGC that includes two control methods:Integral type...

The ordinary operation figure for perennial regulation reservoir with many objects has many shortcomings such as random runoff, overlapping operation areas and so on. This paper establishes a multi-levels operation figure for the Jinxiuchuan reservoir in Jinan city to meet the different water users....

As a new method of computing, cloud computing has brought great convenience to people's network life, but at the same time, there are some security risks. This paper briefly introduces the concept and characteristics of cloud computing, and briefly analyzes the significance to study the security of computer...

The application of Deep Learning Techniques in biometrics has grown significantly during the last decade. The use of deep learning models in ear biometrics is restricted due to the lack of large ear datasets. Researchers employ transfer learning based on several pretrained models to overcome the limitations....

Under the wave of the Internet era, big data and cloud computing technology show a rapid development trend, and this wave of technological innovation has prompted digital technology to continuously penetrate deeply into various fields and industries, providing them with powerful empowerment support....

The study examines the application of artificial intelligence in contemporary artistic discourse, with a focus on the expressive and ethical implications of AI-assisted creation. With the rapid advancement of AI technologies like Deep Learning and Generative Adversarial Networks, intelligent systems...

In order to solve the user rating data about data sparseness and traditional similarity calculation method because of its disadvantages of strict match object attributes, combined with the project classification and cloud computing platform is put forward an improved collaborative filtering recommendation...

In recent years,based on the rapid development of Radio Frequency Identification (RFID) ,the technique has been being used in more and more realms gradually.RFID is different from conventional bar code and is popular for a large number of advantages.This article mainly introduces the RFID applied situation...

In this paper, the design of cucumber harvesting manipulator is completed by using the mechanism instead of the joint type design on the basis of horizontal cucumber planting mode. For the harvesting manipulator, the kinematics simulation of the mechanism is analyzed carried out by Adams. Based on the...

For stochastic model updating (SMU) problem with unknown parameter probability density function (PDF), an approach is proposed to estimate the statistical properties of the structural parameters. The random variable is represented with polynomial chaos expansion (PCE) and therefore the SMU problem is...

In this paper, the auxiliary brake system vehicle stability control experiments using Matlab/Simulink to build the simulation system dynamics associated auxiliary braking system and the actual vehicle system. In the trajectory of the vehicle and the vehicle sideslip angle characterizing the vehicle condition,...

3D printing is a new type of mainstream processing technology in the field of industrial design. Compared with traditional manufacturing technology, 3D printing can manufacture more complicated products with low cost, high efficiency and simple operation. It use the computer software design and modeling...

Based on domestic embedded multi-core operating system testing, this paper describes the characteristics of the multi-core operating system and existing test contents and gives an effective software function and performance function test method for application focus of the domestic embedded multi-core...

A reliability evaluation model is created to analyze the variation process of time series based on the maximum entropy and grey bootstrap principles. The original sample data is collected by measuring the vibration acceleration of time series. Then the simulated vibration acceleration data is obtained...

As problems of both low level informatization and intensification exist in China's TPL industry, a key way to improve logistics level should be the TPL increased informatiztion level. The author proposes the building of a 4PL platform based on the real needs of most TPL enterprises, which will benefit...

What is a security network In this paper, a security network is considered as a diagram of security systems deployed in different places in a guard zone. For a security network, its vulnerability is an important metric to judge whether its protection effectiveness is good or not. How to evaluate the...

Mixed Weibull distributions play an important role in life time data analysis. In this paper, we employ the ECM algorithm to obtain the ML estimation for the mixed Weibull model in the constant stress accelerated life time test with type II censoring. The iteration formulas are given in the paper. Simulations...

Taking STM32F4 and CS536 chips as the core components, a three component microseismic monitoring instrument is designed, which is mainly used to capture microseismic events in shale gas exploitation. The three component geophone, which can record both longitudinal and transverse waves and converted waves,...

In order to improve the vehicle performance, the mathematical model and experimental research of damping controlled oil gas spring were carried out in this paper, a proportional throttle valve was installed on the basis of the original damping valve system. The proportional valve adopted slide valve...

COVID-19 is an infectious disease caused by a coronavirus which spreads from direct human contact through droplets of mucus in the respiratory tract of an infected person. The American Centers for Disease Control and Prevention (CDC) says that asymptomatic COVID-19 patients may account for more than...

In this paper, we present a spectral-like method with Boubaker polynomials to solving numerically some differential equations. The Boubaker polynomial expansion scheme (BPES) are also discussed. A transform from Boubaker polynomial to shifted Legendre orthogonal polynomials is derived. By this transform,...

This paper first introduces the structure of the track wheel, and according to a number of classification criteria for the classification of the track wheel; Then summed up its low weight, low shock, low noise, low grounding pressure, high flexible, high speed, quickly changeable and other unique advantages;...

Aiming at the shortcoming that the calculation of the gray relational coefficient is influenced by the number of schemes and distinguishing coefficient, which causes inconsistency of the evaluation results in the traditional gray relational degree, an effectiveness evaluation method is proposed, which...

The dynamic and uncertainty of management system generate and complicate the problem of providing appropriate quality management solutions. Optimization and adaptive approach to the process of taking a management decision is one the most effective. Practically, it can be implemented by modeling adaptive...

According to the linear elastic fracture mechanics and the virtual work principle, the elemental stiffness matrix of the diagonally cracked RC beam is derived, and the frequencies and modes of the diagonally cracked beam are obtained. The experiment is executed to verify the elemental stiffness matrix....

Aiming at the problems of nonlinearity, time-varying and big lagging in an activated sludge wastewater treatment process, the forecast modeling of COD can be established according to the historical data of chemical oxygen demand(COD) collected from sewage plant, and using the LIBSVM toolbox to determine...

In most real-world industries, scheduling is processed in a stochastic and dynamic environment, it is necessary to generate a schedule which is suitable for the current system states. Dynamic scheduling solves unimplemented jobs and updates an existing schedule based on the real-time information with...

In order to make video-monitoring camera output high quality video in a cabin with high temperature, it is very necessary for the temperature control circuit to drive heat sink and fan at the appropriate time. Moreover, quantitative analysis of the cooling effect is more important so as to get the thermal...

Aiming at the low generating efficiency of the current solar energy generating system, solar energy maximum power point tracking control system based on STC89C52 is designed and made. The photoelectric detection and tracking is adopted as the control mode in the system. By using stepping motor as driving...

Regional logistics demand has an important guiding significance for regional logistics development planning. However, due to the wide range of areas and departments involved in logistics activities, and the corresponding statistics is unavailable. Therefore, the demand for regional logistics is much...

This paper prosposes an integration research to apply advanced communication technology in quality testing, including three aspects: integration of inspection function based on equipment, integration of inspection equipment based on interface communication, and integration of inspection unit based on...

Spiral space phase distribution of the vortex wave form specific orbital angular momentum. This paper studies the effect of atmospheric turbulence on the vortex wave phase through the numerical simulation. In order to analyze the influence of atmospheric turbulence on the vortex wave, we make comparison...

There is a significant challenge in densely populated areas which is traffic management in traditional ways leading to increased travel time, fuel consumption, and environmental pollution. Traffic signal controls operate on pre-programmed timings, failing to adapt dynamically to real-time traffic conditions....

Management of credit risk plays a vital role in the financial industry, allowing institutions to mitigate losses, optimize capital allocation, and make informed decisions. This study investigates the predictive efficacy of five machine learning algorithms (Decision Trees, Logistic Regression, Random...

Based on two-wave data from 203 employees, we found that employees’ increasing challenge demands was positively related to their basic psychological need satisfaction, which then positively related to job involvement and negatively related to work alienation. By revealing the influencing mechanism among...

This paper empirically examines the impact of regional energy consumption structure on corporate ESG ratings using data on Chinese A-share listed companies and the energy consumption structure of provinces and municipalities from 2011-2019. It is found that corporate ESG scores decline in regions where...

In the context of the development of education informationization, online test system is a teaching method to adapt to the education informationization development trend under the intelligent tutoringsystem (ITS), but at present, traditional listening test exists the issues of untimely feedback and lack...

This paper mainly expounds the entertainment idols' art management innovation, entertainment idols have been rising earlier in the West, and it has been rising in China from the 80s . With the development of media, entertainment idols have great influence on the way of public's life, behavior and values...

Recently, data centres have been called out for their particularly high energy consumption, which already accounts for 1.5% of the total global electricity consumption and is among the world’s fastest growing energy consumptions. To reduce the data centres’ environmental impacts, technologies such as...

It is the advantage of vocational colleges and universities to participate in the innovation and entrepreneurship activities, but there are also some problems such as atmosphere construction, curriculum design, practical ability and teaching level. In order to solve the problems and promote the transformation...

The metal halide lamp is one of the best energy-saving and environment-protective illumination plans to substitute traditional light sources with high energy consumption. Electronic ballast is essentially the power supply for metal halide lamp, so it has great significance to develop high-performance...

In this paper, a model of active control system with delays is studied. Some sufficient conditions to guarantee the stability and oscillations for the system are established. Computer simulation is given to support our result.

We propose a many-particle model for pedestrian dynamics, which simply assumes that the velocity (including both magnitude and direction) of a pedestrian depends on the positions of all pedestrians. This is similar to that in the well-known social force model. However, our formulation is computationally...

This paper calculates the VaR of copper futures' price in SHFE and LME during the Sub-prime mortgage crisis and the European debt crisis using the EGARCH-GED model. The direction and extent of spillover effects are checked with Granger causality test and impulse response function. The empirical results...

Low-flying and long-endurance SUAV generally use the piston engine to provide power. The vibration signal in the airframe exhibits a characteristic of multi-vibration-source, wide-band and non-stationary due to lightweight design of SUAV. The vibration will be captured by MIMU, which can significantly...

Aims at AOCMT type five-axis ultra-precision CNC machine tool, the rotary axis geometric errors model is established by applying the homogeneous coordinate transformation matrix, a kind of errors measurement and identification method is put forward. It takes A axis as an example, using the function of...

Digital Devices or Electric and Electronic Equipment (EEE) are scrapped at an alarming rate instead of being salvaged, fixed, and reused. For the reuse sector to flourish, donors, receivers, and reuse centers need services and technologies to gain effectiveness, efficiency, and traceability to reach...

Gray scale transformation is a common image enhancement technology in digital image processing. It can facilitate operations such as strengthening and stretching image contrast, layering gray levels, and inversing pictures so as to highlight image characters and image contrast. Image point operation...

The identification and evaluation of enterprise core competence is a prerequisite for building and improving enterprise competitive advantage ability. How to identify the enterprises core competence [1] The traditional research method is mainly identify the enterprise competitive advantage through the...

Most researches focus on the relationship between managers' background characteristics and enterprise performance, technological innovation, etc., and more focused on the direct link between the management background characteristics and corporate performance, technology innovation, to leave a certain...

Contemporary society has evolved into a world of digital technology. As a digital technology invented by humans, the computer has had a profound impact on both work and life. As an interface between humans and computers and a human-centred methodology to guide system development, human-computer interaction...

Welding technology is widely used in manufacturing, and welding nozzle directly affects the quality of its service life and the quality of weld. Welding mouth traditional forming process is machining, its material wastage rate is high, low production efficiency. This thesis makes a comparative study...

It is to guide the natural gas power generation capacity reaching 110 million kw in 2020 according to "Natural gas development "thirteen five" plan", and the natural gas power generation installed ratio from 4.33% in 2015 rises to 5.5% in 2020. Benefiting from the gas and electricity reform policy, the...

A novel drug delivery microsystem is proposed in this paper, which consists of the microstructure for drug loading and the bonding membrane with microholes for release rate controlling. The forming process of microstructure by hot embossing method was researched. For the microstructure was fabricated...

The production efficiency of the Beibu Gulf port of Guangxi is studied. We select the input output index system, including the input parameters of the terminal length, the number of berths, berth cargo capacity, the annual capacity of the berth container, and the output indicators include cargo throughput,...

Evaluation is an important part of English teaching. It can not only make a teacher find out the problems and adjust teaching methods, but also help the students diagnose the weakness in their learning process, esp. in formative assessment with the involvement of students. Through the self-assessment...

In order to further characterize the conditions of the college students’ psychological health, this paper proposes the college students’ psychological health models based on the statistical analysis techniques, which begin with the psychological issues triggered by the trivial events in the everyday...

Objective: To study the technology of auxiliary motor starting and stopping of the direct injection gasoline engine, and analyze the effect of the idle start stop system and oil saving energy. Method: the fuel saving effect analysis of the fuel saving effect of the system is analyzed by the multiple...

The efficiency loss of two kinds of player (UE player and CN players) traffic assignment under road pricing is investigated, the users under UE player aim to minimize her/his own travel cost, the users belonging to the same CN player can fully cooperate with each other and different players will fully...

Aiming at the influence of uncertain factors that impact on tasks and platforms in battlefield environment,adaptive optimization method based on uncertain event is proposed. Taking the uncertainty of platform loss and task implementing time into consideration, established a resource structure optimizing...

The stability problem of the bi-additive functional equation has been studied by Krzysztof Ciepli ski. In this paper, we will investigate the stability of the bi-additive functional equation on a restricted domain.

In order to conduct an effective evaluation of the vocational school-enterprise cooperation practical education, this article constructs a vocational students’ graduation design evaluation index system based on the university-enterprise cooperation, which regards the vocational graduation design as vector...

Aiming at the problem that the brain inspired multi- core processing chip processes high-speed images in real time, a real-time data buffer of multi-channel high-definition images is designed, and the image is processed and transmitted at the pixel level. The design uses field-programmable gate array...

This project is to design and manufacture a novel shock absorber with energy harvesting to reclaim vibration energy from automotive suspension system during driving. In order to improve safety and comfort, shock absorbers are used in automotive to remove vibration energy during driving, who adopt hydraulic...

In this paper,we compute the Morse index of the steady-state bifurcation solutions from the eigenvalue with multiplicity two of the Laplacian operator for a class of reaction-diffusion equations with Robin boundary conditions on the two-dimensional rectangular area

Mobile devices have become integral to our lives. Among operating systems, Android holds the largest market share, making it a prime target for attackers. While various solutions exist for Android malware detection, there remains a need for effective attribute selection methods. In this work, we introduce...

For the purpose of implementing on ideological and political education in the teaching field of software engineering, the research is devoted to exploring and constructing of a feasible resource database of course ideology and politics. As an example of software quality assurance and testing course,...

The optimal stations distribution for a single source target is proposed to improve performance of four stations passive location system based on time difference of arrival (TDOA) measurements. Geometrical dilution of precision (GDOP) is obtained by deriving Cramér-Rao Lower Bound (CRLB) firstly. Then...

With more and more various systems in nature and society are proved to be modeled as complex networks, community detection in complex networks as a fundamental problem becomes a hot research topic in a large scale of subjects. Artificial Bee Colony Algorithm (ABC) has high efficiency and does not require...

As a new learning application form of self-regulated learning, informal learning and mobile learning, microlecture appears special content carrier in online educational ecological system, which becomes as focus topic on account of its characteristics-adapting to many applications and suited for different...

The purpose is to study an improved cuckoo search algorithms in target assignment via the analysis of the characteristics of air defense interception and the demand for weapon target assignment (WTA). As for the threat of multi-batches and saturating targets, the random coding method based on the minimum...

The orderly charging and discharging management and dispatching system of electric vehicle is researched and designed based on internet in order to achieve orderly dispatching and management of electric vehicle in peak load regulation. Researching and analyzing the function of main components (power...

Reliability sensitivity analysis quantifies the effect of input random variables on model outputs. An efficient reliability sensitivity analysis method is developed herein by combining the stochastic perturbation technique and a third-moment saddlepoint approximation. The presented method requires only...

K-means fuzzy cluster analysis and matter element analysis have been used to select optimize points of water quality monitoring in Qinghe River, taking 8 monitoring section data in June 2014. K-means fuzzy clustering analysis method is suitable for the processing of continuous data set,and matter element...

Historical building protection has its own features and difficulties. BIM technology brought by the development of computer technology, make it possible to solve the problem of historical building protection. Based on Riegl value theory, this paper puts forward that different measures should be taken...

Ensuring the continuity of business activity is an important competitive advantage of modern companies. Currently separated two approaches of business continuity management, each with a key role for information technology. Information security means lower risks of downtime due to the actions of intruders....

The mathematical model is established for energy consumption caused by the compression resistance force, damping force of seal venting hole and air bind resistance between two seals during the side swing door closing process. The energy consumption of a certain vehicle’s right front door sealing system...

Since the interpolation-based image super-resolution algorithms can be executed very fast, it is the research focus of this paper. However, in the traditional interpolation-based super-resolution algorithms, the image edges are usually blurred and the quality of the reconstructed image is not satisfied....

Cloud computing concept has overhauled the entire structure representation, required for the implementation of IT Infrastructure. This cloud computing approach is gradually eliminating the existing client server system and grid computing. The capabilities associated with the innovation of cloud computing...

According to the characteristic that individual user data is less in tourism service, a personalized demand modeling mechanism is proposed based on user roles. The mechanism researches the existing historical data, defines demand hierarchy and category and establishes the requirement set. It also analyzes...

This study investigates the impact of China family business succession on R&D intensity by multivariate linear regression model and CSMAR data. The regression result shows that succession experience decreases Chinese family firms’ R&D intensity. Moreover, succession timing has a significant positive...

Traditional PID motor control methods have problems of low control accuracy and slow response speed. Therefore, in order to improve the performance of the speed control of brushless DC motor, a control method based on BP neural network and shuffled frog leaping algorithm is proposed. The DC motor was...

With the rapid development of smart phone devices, the update and iteration of APP is getting faster and faster, every time users update, they need to go to the app store to download the application and reinstall it, this consumes time and flow, and the user experience is not good, so hot update mechanism...

In an iris recognition system, the iris image quality of CCD signal acquisition is the key factor of system identification. Two kinds of CFA algorithms in iris recognition system image processing module are compared in this paper. Compared with SC interpolation algorithm, SCEE algorithm can improve the...

Traditional statistical control charts are rarely used as a tool to monitor the stock trading and portfolio analysis due to its capability of proving a buying, selling, or holding signal to the investor. Besides that, the normality assumption for a control chart is always violated due to the share prices...

As financial markets become increasingly interconnected, the possibility of cross-contamination of financial risks is also rising. This paper uses the medical SIRS infectious disease model to study the risk cross-infection mechanism between financial markets and conduct simulation simulations. To effectively...

With the rapid development of our social and economy, it puts forward higher requirement to the quality of business administration talents .However, due to the deficiency of traditional teaching method, there is a common problem existing in undergraduates that they attach great importance on theory and...

This paper presents a study of the possibility of application of cluster analysis methods to the data sets from navigation receivers. The navigation data from the moving objects have a number of features, it makes the application to them of some class of clustering algorithms impossible. Such features...

The development of the coal mine location systems in the recent decades was reviewed. Location technologies about IR, RFID, zigbee, leakage communication, through-the earth communication and WLAN in mine tunnels were mainly discussed. The conclusion that technologies based on WLAN or zigbee may be the...

Using IPC classi mfication method (International Patent Classification) and data collection, patent information hiding in the technological field of the Harmonic Drive is mined. The corresponding patent map is drawn, issues related to research Harmonic Drive technology in the global scope of the patent...

SCU and its software are widely used in both electrical and electronic devices. It is important and difficult to conduct quantitative analysis, accurate measurement and quality evaluation in SCU circuit design and manufacturing. In order to solve the problem of SCU-based circuit signal testing, this...

This paper provides a brief introduction of information technologies concerning knowledge management that applied wildly recently. The presentation of technologies is not studied in detail, but rather a starting point for the researchers to discuss how these emerging technologies such as mobile apps,...

Interactive boards are usually used for the smart classrooms where both teachers and students can learn the lessons interactively through the boards. However, the current prices of these boards are relatively high; 4,500-7,000 USD. This paper proposes an alternatively low cost interactive board using...

A general fault injection system is designed for the problem that the existing fault injection equipment cannot meet the requirements of testability verification test. Firstly, according to the requirements of testability verification test for fault injection and state monitoring, an injection system...

Massively parallel processing architecture, as a common parallel processing server architecture, is widely used in the field of mathematical modeling and database processing which require a lot of computing. This architecture can complete the calls of multiple processors by the coordination, which can...