Advances in Computer Science Research

In this paper, the classical WPI model is optimized by using principal component analysis, and a PCA based evaluation model is proposed. When the model is applied to the water resources data of Beijing area, the experiments have shown that the evaluation efficiency of WPI is significantly improved. And...

This paper proposes the development of a voice assistant integrated into an augmented reality (AI) environment. Voice assistants have become increasingly popular in recent years, with the widespread adoption of smart speakers and mobile devices. Meanwhile, AI technology has also advanced rapidly, offering...

In order to further improve the truck dispatching theory of open pit mine, an open pit mine truck dispatching equilibrium distribution model based on traffic flow planning was put forward. The distribution model is based on the principle of Wardrop, and the distribution of the road resistance is used...

Clock network synthesis is an important part of digital integrate circuit design. For the purpose of further reducing the effect of clock skew and On-chip Variation, this paper realized a clock mesh structure by using Encounter EDI tool basing on traditional clock tree synthesis. Experiment results validated...

Waveplates are among the most commonly used devices for altering the polarization state of light, and have been widely applied in polarization analysis of high-numerical-aperture (high-NA) imaging systems such as polarizing microscopes and immersion lithographers. As the NA of an optical system is increased,...

The quality of breeding environment is one of the most important bottlenecks that restrict the sustainable development of waterfowl breeding. Good breeding environment can reduce the growth of disease or the harms brought by the disease, and improve the waterfowl’s quality and quantity. This paper designs...

The link motion gear form is many and varied. The link motion gear may realize many kinds of path. The link motion gear obtains the quite widespread application in domains and so on aviation, light industry, metallurgy, robot, farm machinery. But so far, the link motion gear also has some elementary...

Research in high-speed maglev knitting drive, through the magnetic and magnetic field analysis of electromagnetic and permanent magnet hybrid drive, establishing the mathematical model of the permanent magnet external magnetic field. Based on theoretical calculation of permanent magnet external magnetic...

The gradual increase of female domestic cold violence can be attributed to three factors, i.e. historical, personal and social factors. And the destruction and harm of female domestic cold violence to harmonious and stable families should not be underestimated. Therefore, it ought to be prevented and...

Nowadays, the quality of education in China has improved a lot. However, some details cannot be ignored during the process while education is developing rapidly. In the meanwhile, with the development of higher education, the phenomenon of college students cheating emerges. However, the cheating phenomenon...

With the continuous progress of social economy, the new educational concept begins to emerge. Compared to the traditional teaching mode, the new teaching mode, namely flipped classroom, begins to appear frequently in the university and college classroom. The most attractive part of flipped classroom...

Based on the goal of education and teaching, this essay studies the function of interest teaching method in teaching, explores and analyzes the contents of interest teaching method, and tries to promote the improvement of teaching quality through research.

One way to determine the influence of academic research is to build co-author networks. Co-authoring usually means strong link between researchers. A typical example is Paul Erdös. We have to discuss the following problem. In this paper, we should build a co-author networks from the file Erdos1, which...

According to the characteristics that the paper currency image has low resolution and it is vulnerable to noise affect, the methods of paper serial number region extraction and segmentation are discussed, and multi-level 2DPCA algorithm is used for serial number recognition. Experiment results show that...

Three main factors of constraining the wind power consumptive capacity of the northern Hebei Province grid are capacity of main transformer, transmission channels and voltage stability limit of regional power grid. This paper does research on the new energy consumptive capacity limit considering the...

Wet friction clutch is widely applied in shipping, heavy truck and other heavy machinery because of it has many advantages that smooth start reversing, big transmission torque, wear small, long life etc. It will improve the friction plate service life of car. Besides, there are many characteristics that...

For the gear with concave and convex structure such as artifacts, when using single frequency induction quenching difficulty of both convex and concave. Synchronization of double-frequency induction heating power supply overcomes the drawback of single frequency heating, can make the surface of the gear...

With the continuous development of digital technology, the application of electronic documents(e-document) has also penetrated into various industries. Electronic document is the best alternative for paper documents, and various industries can better assist in the storage and transmission of data through...

Interest rate marketization reform plays an important role in the transition from a planned economy to a market economy, and it poses challenges for traditional banking business model. This statistical research aims at analyzing the relationships between interest rate marketization, interbank business,...

Media language has become more and more prominent and powerful in this highly-developing information era. Taking memetic adaptation theory as the rationale, this paper explores the characteristics and classifications of the media language memes and investigates their memetic adaptation in transmission...

This paper will introduce in detail how to adopt the Target Area Mechatronics System to realize the full closed loop control of light beam leading and target precisely fixed position, and Target Chamber Vacuum Control System and Ambi-room Sweeping Control System, auto program flow of shooting target...

The virtual reality technology is based on 3D graphics technology, combined the technology of multimedia, the main body of visual and sensor technology to create an immersive virtual world. The paper is based on the landscape architectural design technology of virtual reality, and builds the landscape...

We propose a scheme to implement the Stokes vector single-ended direct detection (SV-DD) using a 3×3 coupler hybrid. A 112-Gb/s single-polarization modulated 16-QAM signal is successfully received after 240-km SSMF transmission. SV-DD using 3x3 couplers may provide a more cost-effective and more power-efficient...

Basing on the research of the basic principle of the space vector pulse width modulation (SVPWM) control method and the DC side voltage control ,the simulation is made ,the simulation results show that the effect of the compensation current control based on SVPWM method and DC voltage control based the...

This article is about optimization of connecting rod wheeled robot, connecting rod wheeled robot platform can be well adaptive terrain, on regular ground velocity structure near wheeled platform. On the road barriers, independent walking mode switching, efficient obstacle. In this paper, the structural...

Adopting multi-server infrastructure is an important way to improve the scalability of distributed virtual environment (DVE) system. Under this infrastructure, maintaining balanced load among multiple servers is of crucial to keep system usability. Existing load balancing methods mainly focus on the...

With the development of computer technology, most of the products in the current market design use computer systems. On the computer system, designers can find the design template, match the design elements arbitrarily, and complete the product design in an easy way. This paper uses virtual reality technology...

In order to let the body missing can be anywhere convenient, "accessibility" has become more and more factors that designers consider. What is "accessibility", how to design a qualified "barrier free products" is the main research topic, and the armed people of barrier free design through the design...

Due to the complexity of human motion, the target detection results by using traditional ViBe algorithm are not so satisfactory. Therefore, this paper proposes a method to deal with the target detection issue by fusing an improved Canny operator with Vibe algorithm. Specifically, the ViBe algorithm is...

In this paper we extend a classical SIS epidemic model from a deterministic framework to a stochastic one by introducing two random perturbations in the model for transmission parameter and cure parameter, and formulate it as stochastic differential equation (SDE) for the number of infectious individuals...

To solve the problem that the single dynamic heterogeneous network embedding method (DyHATR) cannot capture the node features accurately and adequately, which leads to the low efficiency of the final link prediction. This paper proposes to solve this problem by using the DyHATR based on the Skipgram...

Singular value decomposition is an important way of matrix decomposition, which has many important applications in the fields of machine learning, signal processing and statistics. However, the singular value decomposition in the matrix computations course focuses on the theoretical teaching of basic...

AS a cable access technology, China's Home Plug AV (C-HPAV) has become one of the major technologies of Ethernet over Coaxial (EOC) in Chia, and it has been widely used in the integration construct of three networks. It has also been popularized to many regions with the development of the next generation...

Labor dispatching is a kind of special recruitment mode along with the reformation of government institutions and development of organizational capacity. Labor dispatching has these features such as flexibility, short, and low cost, etc. compared with formal employment. The risk of management also will...

A scheme for WSNs (wireless sensor networks) security is given by dividing sensing tetrahedron into clusters and using the symmetric polynomials in this paper. The sensing tetrahedron is divided into a number of small grids. All those sensor nodes, both ordinary sensor nodes and heterogeneous sensor...

In order to manage, protect and make benefits to community, a community convenient service system based on information service platform has been put forward. The residents can be access to convenient information by this system, such as the latest notice of community, weather and traffic conditions and...

The absorption spectra of trans and cis isomers of mercury dithizonate (MD) in doped polymethyl methacrylate (PMMA) film are measured, and the photochromic properties of the two isomers are analyzed individually. The experiments indicate that different isomers of MD can convert into each other when irradiated...

The promotion of the quality of service requirements results in the hotel technical skilled personnel requirements will also be improved, and with the modern management mode, personnel training has been greatly changed. This paper starts with the necessity of training technical talents in hotels, and...

On the basis of "five-in-one" theoretical system, this paper constructs the information security prevention management system which includes responsibility system, standard system, process system, assessment system, institutional system. This system realizes the three-dimensional management of information...

Nowadays, many university students pay more attention to the high-salary job and pay less attention to the multi-aspect development and excellent personal qualities. They are affected by the atmosphere of society fickleness and the cognition of many people of paying much attention to the economic benefits....

Using the advanced modeling method of RecurDyn,in the planet gear of two freedom degree as an example ,establishing the flexible dynamic model,then,the dynamic simulation analysis.Draw out the stress distribution,the simulation and stress distribute results are closed to theoretical calculation values.The...

The smooth implementation of automation management of computer software engineering projects has played an important role in promoting the faster development of computer software development and further promoting the development of computer software engineering. In the process of realizing automation...

According to the characteristics of students, combined with the characteristics of professional disciplines, the reform of the curriculum content of the university computer courses based on computational thinking training as the teaching goal, the construction of the content system of university computer...

In this paper, By the use of a new fixed point theorem and the Green function. The existence of at least one positive solutions for the fourth-order boundary value problem with the first order derivative

Entrepreneurial network plays a significant role in launching and sustaining a new venture. There are substantial researches discussing how the overall network develops. However, to date, few attention is paid to explore the dynamic evolution of the networks between a new venture and the consumer. After...

The research of real sense graphics has made great progress in recent years.Not only the game screen has been able to achieve a very real effect in other fields such as virtual reality, 3D animation film and other fields have been fully applied with this technique.The development of non real sense graphics...

IPv6 network management evolution requires the transition from IPv4 / IPv6 dual-stack network management stage to full IPv6 network management. The paper made two models for IPv6 network management based on the requirement of network management and present situation of electric power communication network....

The Internet is an important platform for academic exchange, business study, external publicity, display image and information sharing in Chinese anorectal discipline. In this paper, through the use of Internet technology, to explain the anorectal professional website construction should have the function...

This paper introduces a design in developing of supervising system based on the LonWorks technology and Kingview. At first, the system combines Neuron chip with power supply controllers and switches as intelligent nodes to establish the network based on power line of LonWorks. In addition, through the...

This article introduces a structural modeling approach and a rule-driven model composition method for underwater warfare simulation to facilitate the reusability and composability. First, a SES-based model structure is built and the Hybrid Discrete EVent System specification (HDEVS) formalism is proposed...

This paper presents a signal association algorithm based on the Doppler frequency for the problem of signals inter-associated among multi-passive-heterogeneous-sensor system, radar and ultra-short wave signals are the specifically associated objects. This paper analyses the necessary and sufficient condition...

Phenol hydrogenation over the Pd/ZrO2 catalyst has been carried out using ethanol as hydrogen source. The reaction temperature, catalyst and ethanol quantity are found to be influencing factors for effective phenol conversion. In all cases, low quantity (5%~10%) of ethanol and high temperature is efficient...

English novelist Charles Dickens never went from a few days to learn the poor boy to the world-famous generation writer, through the arduous process. He left a valuable human literary heritage. Dickens and his writings, has been one of the key concerns of the Anglo-American literary critics. This paper...

DEA method is widely accepted in evaluation of financial efficiency. While the efficiency issues with uncertain data can not be solved easilily. In this paper a fuzzy non-radial data envelopment model is proposed to deal with the aforementioned issues. An empirical study of commercial banks in China...

It intensifies the lack of audio-visual education resources that the children of migrant workers receive education in the city. The strategy of transfer of audio-visual education resources is important for promoting the overall planning of urban-rural audio-visual education. With urbanization, the urbanization...

The key of harmonic pollution control in power grid lies in the identification of harmonic pollution responsibility. According to the traditional harmonic voltage responsibility index to implement economic accounting to the defects, puts forward a definition to the true value of the harmonic active power,...

Using IR-UWB technique to TT&C system can greatly improve the anti-interference performance of TT&C signal. Aiming at the IR-UWB signal using in TT&C system, its BER performance in single-tone interference is analyzed. At the same time, the effect on the anti-interference performance of each parameter...

In this paper we will introduce a method to develop digital maps used in vehicle location. We will introduce how the map was made with VC++. How we describe roads and buildings in the map.

According to the characteristics of the time lag of rolling mill thickness control system, it used Smith predictor to compensate measured hysteresis. And by the internal model design method, from the perspective of the design predictive control system, and the Smith predictor and PID control method for...

Due to the appearance of some new characteristics of the electric power industry such as widely interconnection, high intelligent, the open and interactive, energy internet architecture put forward more new requirements of the electric information network security prevention and the information security...

With the rapid development of network and information technology, online channel as a new business model has improved the structure of offline channel, but also caused a huge impact on offline channel, channel competition has entered the online channel. Manufacturer in this paper has only one online...

The paper proposes a novel low-voltage and low-power bandgap voltage reference, which has superior performance such as low-voltage, low-power and low-temperature coefficient. The simulation based on 0.18-um CMOS process of TSMC. The proposed circuit consists of current source subcircuit, a bipolar transistor...

Facial Emotion Recognition (FER) plays a crucial role in applications such as human-computer interaction, affective computing, and mental health monitoring. This paper proposes a novel methodology that combines EfficientNet-based feature extraction, Self-Attention-based feature refinement, and Support...

E-commerce has gradually become one of the most popular shopping channels nowadays, as a result of its convenience and efficiency. Although online shopping is developing significantly fast, a low conversion rate is still a problem among various platforms and businesses. Aiming at dealing with such a...

The article introduces some main constitutive models of pure aluminum with regard to mechanical response, dynamic recovery and recrystallization during the process of severe plastic deformation. Two kinds of constitutive models will be introduced in this paper, because there are few models considering...

How to play the role of class, to simulate students' interest to achieve the get the effect as we can, has become the puzzling problem that every educator needs to find solutions to solve. This paper explores the realistic situation and class teaching of school students. Firstly, start the investigation...

In this paper one underground storage cavern's stability is studied, on the condition of high-piled-slag right over the tunnels. The finite element software ANSYS is used as a tool solving the overlying loads's effects to underground rock mass. The calculation results show that, due to the reason that...

As the basic condition to ensure the coordinated development of the region, the basic public service affects the flow of regional factors, especially talents and capital elements, to a certain extent, and promotes the integration of regional public services to become the guaranteed foundation and core...

Under the influence of COVID-19, the employment situation of college students is severe, and the employment guidance of college students is also facing new challenges and opportunities. Based on the analysis of the difficulties faced by college students' employment guidance in the context of the...

In order to study the fiber of fiber recycled concrete (F-RAC) on the mechanical properties and deformation performance, through the 72 groups of 216 pieces of concrete specimens of different substitution rate of RAC were studied, the results showed that the addition of a single fiber, the flexural strength...

With the development of society and technology, it is an important part of the urban modernization construction to community service convenient for people. Community service system convenient for people will be established and improved constantly in the urbanization, gradually achieving intellectualization,...

Substantial energy, water, and solid waste savings can be achieved by user behavior detection and consumption patterns. This empirical research proposes a systematic framework with the adoption of mixed methods approach. Qualitative data is based on the Theory of Planned Behavior model (TPB), which analyses...

The continuous copper film on the á-SiC powder was obtained by magnetron sputtering technology. SiCp(Cu)/Cu composites was fabricated by hot-press sintering method. The phase constitution, fracture morphology, relative density, porosity, Vickers hardness of SiCp(Cu)/Cu composites with different SiCp(Cu)...

Operating system is the core of computer professional course, aiming at the main problems existing in the teaching of operating system, teaching content, teaching mode, the link is weak, the teaching content without considering the cohesion between with other courses such as the curriculum reform of...

Lung diseases are some of the most common medical conditions in the world. The early detection of this disease is extremely important, since lung diseases can spread from person to person. The field of Radiology plays a vital role in the detection of these diseases. Multimodal imaging techniques can...

It is targeted to automate the whole surveillance systems by the deep learning face recognition. The primary objective of the first part is to develop an intelligent surveillance system that applies deep learning algorithms for timely processing data types and identify patterns. The integrated system...

Due to factors such as perspective and lighting, traditional stitching such as perspective and lighting algorithms find it difficult to achieve high-quality stitching results. Therefore, how to effectively improve the image stitching effect has become a hot research topic. The traditional image stitching...

Combined with the advantages of infrared image and visible image, this paper proposes a multi-modal data fusion method for detecting the wire strand defects. The segmentation performance of UNet model in images with poor illumination conditions is improved; it solves the problem that the contrast between...

In the process of architectural modeling design, visual communication is an important part. However, in the traditional graphic design of irregular buildings, the artistic expression of visual communication is relatively less and single while the spatial structure, visual effect and color combination...

As of 2016 the city of Binzhou social science planning and key research project, through the investigation and analysis of Binzhou city informatization construction of small and medium-sized logistics enterprises, and put forward feasible suggestions to improve the level of Binzhou city social logistics...

This paper presents an outline on architecture and performance of a new message middleware based on publish/subscribe model. This architectural uses topic tree to organize topics in the publish/subscribe system. The system collects network topology information and then forward messages after routing...

The purpose of this paper is devoted to finding a method to recognize the high-speed target for missile in a certain distance. Based on the quasi-electrostatic field characteristics of the capacitance detector, this paper analyzed the output voltage of detection circuit from a capacitance detector. It...

As the representatives and classics of African American literature in the history of American literature, "Native Son" and "Invisible Man" portrayed two classic black images in their respective times, with their profound social significance, Bigger, from the Tolerant to violent, and "I" have the low...

For software structure is described by directed network more accurately, traditional preferential attachment mechanism such as in BA model is not suitable for software network during network evolution. According to the change of software static structure during evolution of software system, the evolution...

Research from the angle of energy is one of the important way to explore the cause of coal and gas outburst for grasping the law of coal and gas outburst. In order to study energy dissipation law in the process of coal and gas outburst. Build the relationship between strain and stress of coal and rock...

The optimal MPR (Multi Point Relay) set selection algorithm is proposed based on the researches of the OLSR (Optimized Link State Routing) protocol of the Ad Hoc network. This paper analyzes the MPR set selection problem from the point of view of mathematical collection. By abstracting one-hop neighbor...

The construction of software development and testing environment is an important part of the whole software development process. The combination of different versions of operating systems, databases, network servers and application services makes the types of software testing environments to be built...

The assignment problem generally assumes that one person undertakes one task and one task must be accomplished by only one person. However, a real task usually calls for more than one person. In some cases, those persons are required to work at the same time, if so, the classical assignment model will...

This paper provides a thorough examination of diverse encryption techniques, algorithms, and protocols, offering a comprehensive understanding of the present landscape of encryption technology, its applications, challenges, and future possibilities. By meticulously analyzing the strengths and weaknesses...

In this paper, we designed a novel three degree of freedom (DOF) parallel mechanism (PM), which can make the moving platform rotate and incline through the movement of three sliders. We built a model of this mechanism and had a kinematics analysis in MATLAB. We also did the same kinematics simulation...

Multilabel image annotation is one of the most important open problems in computer vision field. Unlike existing works that usually use conventional visual features to annotate images, features based on deep learning have shown potential to achieve outstanding performance. In this work, we propose a...

Focused on the DOD-DOA estimation of bistatic MIMO radar, we present a method using cyclostationary broadband signal to process MUSIC algorithm. More information is carried in broadband signal and its cyclostationary property restrains Gaussian noise as well as interference from different frequencies...

Nano-Fe2O3/bentonite complexes were prepared through a reaction between the iron salt solution and the dispersion solution of refined bentonite, and their degradation capability for phosphorus removal was investigated. The results show that Fe2O3 nanoparticles anchored between bentonite layers have enhanced...

As one China specific practice, the practice of water added seeding is simple, convenient and cheap to adopt and its most important strength is that it is suitable for developing countries to adopt it. In order to increase penetration depth and reduce evaporation of irrigation water with the conventional...

The paper introduces the process of designing an efficient flyback switching power supply on basis of LM5021 chip. It describes the process as the following 3 steps:1) designing a current-limiting circuit; 2) calculating the parameters of the transformer for the switching power supply and designing a...

In this paper, a scalarization result of approximate weak efficient solution for a set-vector equilibrium problem (SVEP) is given. With this scalarization result, the connectedness of -weak efficient sets for the SVEP is proved under some suitable conditions in real Hausdorff topological vector spaces....

Computation afford of adaptive antenna technology is the key factor limited its applications. This paper presented a new two-stage structure to solve this problem. By dividing array antennas into two group, two–stage structure can reduce computation afford with the same system performance of one-stage...

Land use and land cover change is one of the focuses in the study of global change in recent year. Land cover characteristics, at the global and regional scale, are very important for evaluating global environment status and simulating global environment scenario in the future. In order to provide some...

The college education professionalization reform is an important support for the "composite" talents. The discourses of the current traditional stereotypical education are not exact enough. And it is macroscopic of the direction of the professionalization reform. It is to transform to professional comprehensive...

n the growing demand for energy, while energy supply is becoming increasingly tense, prices continue to rise. This makes the energy consumption cost plays a more and more proportion in the enterprise cost calculation. To improve the energy utilization rate, cement enterprises take various optimization...