Advances in Computer Science Research

Virtual reality is a computer system which can create and experience the virtual world. People can operate, control and reach some special purposes in this system. This paper firstly introduces the concept and advantages of the virtual reality technology, and then explores the applications of virtual...

The sea state bias (SSB) is one of the most prominent errors in satellite altimetry. The empirical model was mostly used in practical estimation of SSB, which includes the parametric model and nonparametric model. The estimation of SSB for the global area will result to large deviation with a single...

The transient nature of urban settings is continuously linking up the remoteness of lives and unfortunately, there is no limit to this fact as such technologies as Artificial Intelligence (AI), the Internet of Things (IoT), and Augmented Reality (AR) will be significantly combined for ensuring interactions,...

Developing high-yield, high-quality, high efficient and environment friendly modern agriculture and improving the efficiency of unit land output, is fundamental to solve the problem of one billion three hundred million people for dinner. The paper for the example of Xiao jin facilities vegetable base...

Teacher autonomy support makes autonomous learning possible and efficient. It's argued that the issue of teacher autonomy support is crucial to flipped classroom efforts. In this article, we offer a way of thinking about autonomy-supportive practices that suggests that such practices will work for flipped...

This study first proposes a concept of generalized stability (GST) for discrete chaos system, which is the generalization of chaos generalized synchronization (CGS). Then this study sets up a constructive theorem of GST for discrete chaos system, which provides a general representation of GST in discrete...

To meet the high requirements of 4G mobile communication systems, such as broadband, wide beamwidth and high gain, an improved microstrip antenna array fed by L-probe is proposed. Generally, most of the 4G antenna array elements have wide band and a gain of 3-5dBi. But the beamwidth in the horizontal...

Since the establishment of the relationship of trust exists between transparency, cloud computing services platform providers and data users, the integrity of the cloud computing service provider platform to the data stored in the user data information to prove, at the time of data information sharing...

in order to reasonably optimize the military training airspace and ensure the safety interval with civil aviation routes, the paper adopts the improved ellipsoid Event model to evaluate the lateral separation between military training airspace and civil aviation routes. After the lateral position deviation...

In this paper, we present a controller design on mini aircraft with four rotors from its theory to implementation. The dynamic model is gained by means of Large-scale transformation Algorithm of Quaternion to Euler Angle. We apply Cortex-M4 inner core microcomputer as a processor; get angle information...

Exercise skills and basic theory are the necessary professional foundation for college students majoring in physical education. The mastery of exercise skills and the study of theoretical knowledge are complementary processes. The basic theories originate from the practice of exercise, and the exercise...

In a cooperative air combat, the whole command and control system (CCS) may lose control if the lead plane in the middle of the fleet is damaged or fails. In order to solve this problem, this article simulates a dynamic and global optimum CCS for the cooperative air combat with the particle swarm optimization...

In this paper, based on Chambolle’s Projection Algorithm, an PDE was proposed to replace the total variation model for removing image noise. In order to improve the algorithm, the TVD Runge-Kutta method, which has high-precision of time direction, was introduced to solve the equation. The numerical results...

To evaluate the allelopathic potential of Hyptis rhomboide Mart. et Gal (native to tropical America ), the effects of aqueous extracts (0.0125, 0.025, 0.05, 0.1 g/mL ) prepared from stalks and leaves of H. rhomboide were studied on the seed germination and seedling growth of four crops (Brassica campestris,...

To improve the performance of fuzzy controller, take the historical state of error into account while setting the control rules. Firstly make a rule table (basic rule table) which considers of the current error and error change rate only, secondly, think of all the possible historical state of error...

Through the firewall can define one of the key points to prevent invasive; monitoring network security and give the alarm in case of abnormalities, especially for the great amount of information through the removal of inspection, but also should make log register; provides network address conversion...

By the end of 2020, China's high-speed rail mileage ranked first in the world. Many studies have shown that transportation development plays an important role in urban economic growth, and innovation ability is one of the key factors for urban economic growth. This paper uses the number of patents...

The integration of Artificial Intelligence (AI) has revolutionized attendance management systems, automating processes for efficiency. However, existing face recognition attendance systems are limited to determining presence or absence, leaving a research gap in providing real-time absence notifications...

With the rapid development of information technology, the deep integration of information technology and English becomes the core of the current English learning. The rapid development of mobile technology brings much convenience in people's life, at the same time also brought new opportunity for English...

Image denoising method can be divided into the spatial and frequency domain processing methods from different processing domains. The former is to deal with it in the two-dimensional space of the image itself. According to the different nature, it can be divided into linear processing method and nonlinear...

Objective: The main purpose of this research is to study the relationship between the administrative values and job performance of the government employees in china. Method: About 223 government employees in Jiangsu Province are selected as a sample .We collect information by using the methods of literature...

With the gradual promoting policy of the triple play, Internet TV - this emerging network television in the future is bound to occupy a place in the media, and traditional TV has a certain impact. Therefore, based on the triple play, this paper describes the construction strategy campus radio and television...

As the main body of vocal performance, the singer’s aesthetic imagination and emotional control level in vocal performance often has a direct impact on the performance level of vocal music, as well as the audience's experience and feelings. Based on the expression mechanism of singer's emotion and aesthetic...

In an era of increasingly complex food production, diversified preferences, and dietary restrictions, consumers want accurate information on food classification to help them make informed food decisions. The paper presents an all-rounded system using machine learning to classify foods into vegetarian,...

There are some deficiencies in the current Convolutional Neural Network (CNN) system. Some deep and complex CNN models take a long time to train, requiring a lot of computing resources and time for the training. At the same time, some CNN models may have overfitting problems, resulting in a decline in...

The flipped classroom is a new teaching model proposed recently, and has achieved satisfactory results in teaching. The present paper introduces the concept and teaching characteristics of the flipped classroom model in detail, and points out the existing problems of English teaching in colleges and...

In the radio observation based on the large single antenna, in order to reduce the interference of navigation signal L2 from observation of the red-shifted HI spectral line at L-band, we used the an auxiliary channel and normalized LMS algorithm, and proposed new evaluating indicators deduced by theoretical...

Because of the PC program code is more, and part of the program has been repeated calls, in order to simplify the code, will be part of the code encapsulation as sub-VI, which makes the program more clear and concise structure, promotes the reuse of code, easy to maintenance and writing of the program....

With the popularization and development of mobile Internet and smart mobile terminals, the WeChat public number which combines traditional services and mobile internet application has become the development require of power information systems, research for the security of WeChat public number of power...

As some workers in petrochemical enterprise usually take the outside wall temperature as a standard to determine the thermal insulation effects of the equipments, this paper discussed the influence of environment factors, as the temperature and wind speed to the heat loss of petrochemical heating furnace...

virtualization technology is an important means to achieve the current cloud computing environments to maximize resources utilization, how to effectively use technology in virtual networks within the data center is based on the key challenges of virtual network resource allocation problem faced. In this...

The dynamic characteristics of plane lift gate are analyzed based on the model of added mass arising from flow field which is induced by gate vibration in static water. The effect of added mass caused by fluid-solid coupling on gate natural frequency is considered. The natural frequency characteristics...

Low Impact Docking System is an active control docking system with functions of docking and berthing, which represents the development direction of the next generation of space docking mechanism. In this paper, the system composition and operating principle of LIDS were introduced and the basic functions...

Nowadays, driven by the rapid development of China's economy, the level of science and technology has also been significantly improved. Big data has begun to develop in a new direction and entered the era of big data. It is also a trend to combine the development of big data with education. At present,...

This report is about using the similarity of drugs or genes to predict possible interaction between drug and gene. I use SVM and NRWRH in different condition. And then analyze the advantage and disadvantage of them, respective. I also propose some factors which can impact those results.

In order to neutralize the disadvantages of UKF algorithm applied in discontinuous terrain based navigation, this study offers an updated TERCOM/ICCP+UKF terrain matching algorithms combination. First, the theoretical and practical limitations of UKF-based underwater terrain matching algorithm adopted...

The painting has undergone a long-term development process. The status quo of art in every age fully demonstrates that "truth seeking" has almost become the artist's pursuit of instinct, and there are many artists in the history of art who work tirelessly for "truth-seeking". They are the truth seeker...

Because of the different imaging mechanism, the medical image has many different properties of noise. The existence of these noises affects the observation of medical images and the understanding of the image information. When the noise is serious, the image almost produces the distortion, which makes...

The international course is newly established in Chinese univesities in recent years. Its’ objective is to cultivate student’s understanding of professional couse in foreign language. The paper aims at exploring some achievements from the international course as well as finding better ways to improve...

With the rapid development of computer technology, the emergence of vast amounts of multimedia information on the network, for such a large amount of data, video and other multi-media data has a feature not available - Sports features, so Applied Sport features video search service, for improve the performance...

At present, there are many researches on the competitiveness of China's manufacturing industry, but there are few researches on the competitiveness of China's beverage industry, especially the inter-provincial competitiveness. Based on researches into domestic and foreign competitiveness theories, this...

The test paper composition is an important part of the exam, how to choose an efficient, scientific and rational way, can ensure test papers the greatest extent possible to meet the different needs of users, and random, science, rationality and other characteristics, it is very critical. Aiming at the...

To improve the switching characteristics of conventional structure IGBT, a new trench type bidirectional insulated gate bipolar transistor (IGBT) is proposed. The main feature of this structure is introducing a cell in collector of conventional trench IGBT. The new type IGBT reduce both turn-on and turn-off...

Based on the results of the nonlinear parametric analysis interview, some design suggestions of light frame shear wall are put forward from studs spacing, height-width ratio of wall, the size and position of the openings. In addition, a real example is studied and analyzed on the design and optimization...

The large-scale and regional characteristics of the agricultural product processing industry are becoming more and more obvious, so the research on the spatial agglomeration and influencing factors of the industry has important significance. This paper uses Wind database, "China Statistical Yearbook"...

The reform of teaching method is an important content of higher education reform, because of the difference of subject characteristics determine the object of teaching. Should possess the quality of the differences in features, objects, and the use of characteristics of single teaching methods, to some...

China's Internet development to what extent? Each of us feel the Internet rapidly, mind not intuitive proof data.Let Numbers to tell you about China's Internet development present situation.On the way of the Internet, landscape nursery stock industry already behind other people's livelihood industry...

The phenomenon of coastal erosion in our country is becoming more and more common in recent years, as people’s attention to coastal erosion issues, scholars and experts have proposed all kinds of beach protection policies and structural measures and put them into practice. In order to study changes of...

This paper proposes an intelligent algorithm to predict the MBR membrane flux. The algorithm applies the least squares support vector machine (LS-SVM) to the research of MBR simulation prediction, optimize the penalty factor and kernel parameters of LS-SVM model by particle swarm optimization (PSO) for...

An investigation on the energy band structures, density of states, elastic coefficients and Debye temperature of monoclinic ZrO2 and monoclinic Bi2O3 at ambient pressure was investigated via first-principles calculations based on density functional theory (DFT). The calculation results from the energy...

Computer aided diagnosis method have been more and more widely used in biomedical area. A novel cell particle extraction method based on smooth filtering and mathematical morphology is proposed to detect particles such as white and red blood cells in blood smear images with serious background noise,...

Affected by various factors, the result of shunt capacitor of breaker dielectric loss measurement is easily misjudged. In order to avoid misjudgment, this paper analyzes the common three kinds of influence factors: interference signals in the site, Cardon effect and air humidity. Three methods were proposed...

2D Shopping site can only provide people with simple pictures and text messages without interaction and sense of reality. This paper argues how to solve these problems through 3D mall for it will become the future development trend of online shopping. In DVR(distributed virtual reality system) virtual...

Natural feeling color image fusion technology is an important direction in image processing. This paper first summarizes contributions from both domestic and foreign researchers. Then according to the theory of 2D color-lookup-table, it puts forwards the multiple reference images fusion algorithm, and...

Analysis chemistry is a key basic course of freshmen in medical engineering and medical school. A part of students have difficult in learning it. Teachers should work hard to teach analysis chemistry because it is a very important curriculum with some characteristics. The author introduces a new teaching...

Based on a Dynamic Nominal Mechanism adding to the rootless redundant robots, the dynamic modeling for can be established. The DNM is an idealized dynamic chain whose base is fixed at a point on earth, which makes the rootless redundant robots convert into the open chain multi-body system with fixed...

With the development of advanced medical imaging equipment and image processing algorithms, medical imaging technology has been developed rapidly, and medical diagnosis and treatment technology has made considerable progress. Now, doctors have been able to use medical imaging to see the patient's lesion...

Temperature is a very popular parameter in flow industry, so temperature control is an emphasis of process control. Fuzzy control is an important application filiation of fuzzy mathematics based on the theory fuzzy sets. This paper firstly analyzes the basic principles of fuzzy control, the structure...

The “Growth of Roots” is a teaching experiment of biology course in the middle school. The four parts of the apical root have no obvious demarcation in appearance, and the total length of the three parts of the elongation zone, the meristematic zone, and the root crown is only about 3-7 mm, which makes...

In order to protect the physical and mental health of teachers and explore the factors hindering teachers' normal medical treatment, a series of educational reforms such as the "double reduction" policy have further increased the burden on primary and secondary school teachers, using spss...

Cloud cover is a key factor which affects the quality of aerial and remote sensing image. In order to precisely evaluate the impact which brought by cloud cover, article constructs a cloud detection algorithm which suits for aerial image according to cloud statistical characters; analyzing the cloud...

To fully grasp complex concepts like the heart, the digestive system, and other challenging systems, it is essential for medical students to rely on visual representations alongside written materials. Currently, students who wish to study the anatomy of different organs must rely on visual representations...

Business English interactive learning is an important development direction of business English teaching. This paper analyzes the theoretical basis of the network information technology environment and its interactive learning, and focuses on the application of several interactive learning methods in...

Based on investigation dada on Cr in May and August 1979 in Jiaozhou Bay, we analyzed the content, distribution of Cr. Results showed that Cr contents in 1984 in surface waters were 0.10-112.30 g L-1 and were meeting Grade I (50 g L-1), II (100 g L-1) and III (200 g L-1) in National Sea Water Quality...

Abstract: Nowadays, people more and more get the attention of the network security problem, and Intrusion Detection technology is a kind of security mechanism, which is a kind of dynamic monitoring, preventing and resisting intrusion behavior. As one of the core technologies of network security, Intrusion...

In the evolution of smart cities and green sustainability, Artificial Intelligence (AI) and Digital Twins are strongly complementing each other for rapid advances in the urban environment. Challenges like data limitations, workload restrictions, data security, and cybersecurity are creating space for...

This paper describes a system based on the concept of the Internet of Things (IoT) that provides in situ monitoring of coastal soil salinization. The system includes a central control module, as well as modules for communications, the measurement of soil parameters, and power management. The main controller...

With the development of information technology, new writing tools are emerging, to help inspire authors and to improve writing skills and efficiency. This paper studies the problems existed in the popular writing tools. Firstly, studies the system framework, discusses the advantages and workflow for...

To explore the effect of Radix Ranunculi Ternate Polysaccharide (RRTP) on immunological function in normal mice. Methods: The effects of high, medium and low dosage of RRTP were investigated in normal mice by detecting the macrophage percentage, phagocytosis index, formation of hemolysis and hemolytic...

A LVDS receiver and driver for LVDS repeater are introduced, which can buffer LVDS one channel to four. As a result, the repeater can speeds up to 633Mbps.It is useful in long distance transmission to reduce signal attenuation.

These online-teaching database systems are generated from online transactions, emails, videos, audios, images. They are stored in databases grow massively and become difficult to capture, form, store, manage, share, analyze and visualize via typical database software tools. The adventure of large amount...

This article describes the bond length distribution of the Ga1-xlnxNyAs1-y quaternary alloy which has attracted much attention in recent years for its potential use in fabricating long wavelength optoelectronic devices, and propose a statistical model, which calculates the average bond lengths in as-grown...

With the continuous innovation and application of the modern information technology, the enterprise information is officially entered into the era of big data. And in this context, the enterprise management information system in the data search, access, storage, analysis and presentation, and put forward...

In order to reduce the performance of the federated learning model caused by data heterogeneity in traffic flow prediction, this paper proposes an improved G-FedProx framework, and combines the real-time traffic status, weather and holiday data obtained by Amap Application Programming Interface (API)...

In electronic design, sensor has been used to measure external signal, but the tested signal also is weak. It should be magnify, filter, A/D transfer and input to a microprocessor. But due to many kinds of noise interfere, the sample data accuracy is not reach the standard required. In order to solve...

Grounding wire detection is an important work in distribution network, especially before recover the power supply of transmission lines. Aimed at grounding detection problems, a detection scheme based on current shunt principle was proposed and before the detailed discussion of detection scheme, several...

Because the cost of berths and quay cranes are very high compared to the investment costs for the other facilities in container terminals, so berths and quay cranes are the most critical resources in determining the capacity of container terminals. In order to efficiently utilize berths and quay cranes,...

When using the chemical calculation method to study the adsorption, we should firstly find the preferential adsorption site of the catalyst surface. But at present, we often place the reactants in the typical adsorption sites, such as bridge position, vacancy and vertex position, to find the minimum...

This paper points out the meaning of the electronic control transformation of excavator system. Based on the analysis of the YC13-8 hydraulic control system, we put forward the technological scheme of YC13-8 excavator electronic control transformation, and introduce the composition of control system...

Landslide geological hazard may cause great injuries and lost due to its crypticity and destroy. Advanced internet of things and wireless broadband communication techniques were adopted to realize remote wireless geological hazard monitoring and warning system and replace traditional manual work based...

Physical exercise has a positive effect on students' mental health. This article analyzes and studies the effect of physical exercise on students' mental health, taking the students of Hanzhong vocational and technical colleges as an example. Based on this, it puts forward specific solutions to alleviate...

High-speed rail plays an important role in promoting the flow of economic factors and promoting urban economic development. Taking the Beijing Guangzhou railway, which runs the longest in the world and connects five first-tier cities, as an example, this paper studies the economic impact of the opening...

Convolutional Neural Networks (CNNs) have witnessed widespread adoption in the domain of image classification, while deep neural networks have been developed to tackle more intricate tasks. In the experimental investigation, a remarkable downward trend in GPU utilization was observed as the batch size...

Parkinson’s Disease (PD) is a progressive neurodegenerative condition with motor impairment and vocal deficiency. This work proposes a machine learning-based non-invasive early diagnosis system of PD from speech recordings and handwriting samples. MFCCs, jitter, shimmer, and pitch features were obtained...

For a long time, Dunhuang garden planting research than the Dunhuang studies in other fields, the scholars involved in the few, very few people use a combination of the literature handed down from ancient times and unearthed documents as a system research, many readers the basic situation of Dunhuang...

This study aims to greatly improve the reverse recovery characteristics of the fast recovery diode by changing the diode structure. Through adjusting the doping concentration, thickness and width of anode p area and considering its impact on device characteristics, it effectively reduces the reverse...

It is known that China is a country with rich natural resources and vast territory. Even though, the resource stock is declining in the growing process of every industry. Focusing on current resource lackage situation, recycling on resources attracts more attention from the public. Reproducing is one...

The principle and technological process of selective catalytic reduction (SCR) were introduced. At present, the domestic SCR denitration closed-loop control strategy is usually designed as a fixed molar ratio control mode. However, this control system only takes into account the efficiency of denitration,...

The development of digital technology and multimedia technology has been widely used in exhibition, publicity, education and other fields. The purpose of this paper is to study museum cultural and creative products based on computer vision and machine learning technology. Start with the importance of...

This paper introduces a design method of implant - bone healing device. Methods The cathodic of the device contacts to the surface of the dental implant with metal retaining bolts on it, and provides electrical stimulation through the cathode and anode, respectively, to a dental implant and other parts...

Due to the PI control system for VSC-HVDC(Voltage Source Converter based High Voltage Direct Current) has problems of tuning parameters, excess number and so on, a novel controller composed of PID function and multiple-output Adaptive Neuro-Fuzzy Inference System (PID-ANFIS) is presented in this paper...

In order to study the synchronization and parameter identification of different chaotic systems with uncertain parameters, a parameter identifier and a full synchronic controller are designed based on Ulyanovsk stability theory. Take system as target system and Rossler system as response system to verify...

Ant colony algorithm is a kind of intelligent bionic algorithm. It is based on the observation of ant’s food hunting in the nature ,which finds that ants always find shortest path between their nest and food source. The main principle is ants can release pheromone and percept its concentration to identify...

The rapid development of Internet and e-commerce makes the "information flow" and "capital flow" in commercial activities so easy, however "physical flow" has been at a low level. This paper proposes solution of distributed distribution centers (DDCs) based on the dual marketing channel policy. Considering...

English grade test is a nationwide test of testing English proficiency, scores query after the test has become the most concerned issues for candidates. In order to facilitate the candidates query test scores, download exam transcripts at anytime and anywhere; by contrast with previous test scores, rationally...

In order to analyze the startup transient response of a flywheel system, its shaft system is studied in this paper: The transient oil forces of a squeeze film damper (SFD) in fixed frame are firstly derived. By putting the Wilson- formulation integration method which having damp of algorithm into the...

The arrival of the era of big data, which is very important for building a good big data security system and improve the system of extreme defense measures. This paper presents six major issues of information security in the era of big data. It introduces the security technology of big data system, including...

Nowadays, an effective teaching platform is an important factor in the distance education. In the paper, the structure and functional modules of the teaching platform system based on web technology is studied comprehensively, and these functional modules of the teaching platform is introduced in detail....

Geographic Information System (GIS) is a comprehensive spatial data processing technique, of which fundamental meaning, function, background and developing process are introduced in the paper. It is reviewed and emphasized that GIS has been applied to forestry industry fully and systematically in recent...

In recent years, with the development of mobile technology,almost all the smart phones and panel personal computers using the ARM architecture, and security issues on this platform arealso getting more and more attention from researchers. Attack of malicious tampering program flow control is one of the...