Advances in Computer Science Research

In order to find out the high correlative factors of the crop disease from the images, and to predict the disease process, the author analyze the digital images of cucumber leaf which collected in the process of normal and disease by computer image processing technology. By comparing the nine parameters...

This research aims to study the acoustic noise prediction and reduction of helicopter ducted tail rotor. A thin-body BEM/FW-H method is developed to accurately predict the noise in this paper. It is a hybrid method combining computational aero acoustics with Boundary Element Method (BEM) and can be used...

Dynamic trust relationship making quantization model based on multiple attribute decision has been researched in this paper. Considering the problem that all information from nodes feedback would be not true or reliable, this paper improves a new rule to calculate the feedback trust and proposes a new...

Ground settlement is a critical issue in underground construction. Ground settlement prediction is important to identify serious damage to adjacent structures caused by settlement exceed the standard. However, conventional methods have some limitations due to nonlinearity and non-stationarity of settlement...

A high-precision Σ-Δ analog-to-digital converter is designed in this paper in order to meet the accuracy requirement of analog to digital signal conversion in the area of high-frequency and low-voltage seismic wave. In the analog part, a second-order Σ-Δ modulator is used to realize oversampling and...

As low voltage line loss calculation is the difficulty of line loss, accurate prediction of low voltage line loss rate can guide energy-saving and consumption-reducing work effectively. In this paper, the support vector machine (SVM) Parameters Optimization Algorithm based on particle swarm optimization...

Since the foundation of energy reduction’s long-term mechanism has already been made. This thesis mainly focus on energy reduction’s long-term mechanism’s contents and its inside relationships, and proposes some operable strategies on energy reduction area.

Compressed air is considered to be the second electric power energy in the industrial applications, the energy consumption accounted for about 9% of the national industrial power consumption, study the compressed air system is of great significance. This paper studies the frequency conversion constant...

In recent years, the research of intelligent industry has become more and more prosperous. This paper designs a kind of speech control system based on the intelligent industry research background. In this study, the speech recognition theory summarized briefly. The speech recognition processing technology...

- In this work it is shown that the effectiveness of operator's activities is higher in individuals with medium emotional intelligence than in those with low emotional intelligence. It is achieved due to the greater expression of the alpha rhythm for 69 % in amplitude and for 78 % in the index, low-frequency...

The main characteristics of solar sails are their large size and the extreme flexibility which have a prominent effect on the attitude control of the solar sail. Most existing researches on dynamic analysis and the control law design of solar sails are only based on the rigid dynamic models. In this...

A test and control system for hydraulic pulse test is designed according to the requirement of high temperature pulse endurance test of automotive air conditioning system. The system can control the temperature, pressure and switching frequency. It also has the function of timing detection and fault...

The point of common coupling (PCC) voltage fluctuation and waveform distortion will arise due to high penetration of distributed PV system connected to the distribution network. This paper analyzes the principle of voltage fluctuation and distortion in the PCC, points out shortcomings of the existing...

With the rapid development of Chinese railway, the high-speed railway construction has also entered a period of rapid development. The harmfulness of natural geological disasters and accidents to running trains is greatly. They may cause the railroad movement to appear dangerous like as the rainstorm,...

Based on panel data of 31 provinces, municipalities and autonomous regions in China from 2010 to 2015, the paper constructs a spatial econometric model to analyze the relationship between rural finance and agricultural economy. According to the spatial correlation test, it is concluded that there is...

Network resilience is an important indicator for measuring the pros and cons of fault-tolerant strategies. For the resilience prediction of the network design stage, the traditional prediction methods can only be modeled and forecasted based on fault tolerance strategies based on a single network, and...

Radio over fiber (ROF) systems are attractive solutions for broadband wireless access network due to its capacity for supporting high speed data rate transmission. And optical heterodyning is a promising method to generate microwave signals used in radio over fiber systems. Beating of the different modes...

Information sharing throughout the globe or universe has become a characteristic of social media. There has been a lot of research into the classification of sentiments. In this study, Twitter has been mined for unstructured Gofood Reviews data. It has been preprocessed to analyze the reviews’ sentiment...

It was anticipated more than a century ago that the distribution of first digits in real-world observations would not be uniform, instead follow a trend in which measurements with lower first digits occur more frequently than measurements with higher first digits. Frank Benford coined the term “First...

Computer Vision Syndrome (CVS) due to long-term computer use is the number one occupational hazard of the 21st century with internal, external, and visual symptoms. This research aims to evaluate the UI/UX of the Balinese writing learning application based on user experience. The evaluation uses the...

The supervision of small and medium-sized enterprise risk management by county-level governments is a new form of development for the Party. Currently, while achieving significant results, there are still many shortcomings in the risk management of small and medium-sized enterprises under the supervision...

The food system is burdened by many and severe negative environmental and social impacts. Two of the reasons for the impacts are the increasing scale and globalisation of the food system. ICT has been put forward as a means to enhance sustainability in society, yet the potential for food systems is underexplored....

A minimum cover set coverage algorithm (MCSCA) for pursuing low energy is presented in this paper to prolong the lifetime of wireless sensor networks. The proposed algorithm improves energy efficiency in three aspects. First, when generating cover sets, the selection strategy of the algorithm considers...

With the development of computer technology, network technology and communication technology, "Internet plus" has penetrated into all aspects of our work, study and life, especially in the field of education. "Flipped classroom" is a kind of humanized teaching methods, its teacher and student interactive...

Space-Ground Integrated Networks (SGIN) are systems that extend from terrestrial network to space network, to build a network covering ground and space. This paper firstly introduces the development of SGIN, and analyzes three architectures of SGIN based on existing systems. Afterwards, we focus on space...

The paper focuses on the influence of bearing band on the flow field and aerodynamic force of the projectile. Numerical model of projectile with and without bearing band are simulated under a supersonic flow condition. The flow field parameters and the aerodynamic drag coefficient of models were obtained....

A strategy of cooperative position estimation is proposed based on the differential control mode of active magnetic bearing (AMB). Given unsaturated magnetic bias, one of the opposing pole pairs must be unsaturated. The unsaturated poles could be tracked by the control current polarity. The position...

This paper analyzed the change of benzene hexachloride (HCH) content in Jiaozhou Bay during 1979-1989, and further expatiated theories of water’s effect, vertical water’s effect, and horizontal water’s effect, as well as the definitions, processes, and the model diagrams. Furthermore, these theories...

Proposed a 6LoWPAN protocol stack test scheme based on the Contiki operating system [1]. Used the simulation tool cooja to test the performance of 6LoWPAN protocol [2]. Analyzed the network connectivity, energy consumption, timeline when the header compression algorithm, packet fragmentation and rest...

The long-established patterns of economic development and the associated nature of production and consumption can be no longer suggested as an example since wealthy countries and developed economies do not find these phenomena sustainable, while poor and hard developing countries cannot replicate them....

In the internet+ age, we have no choice but to rethink classroom teaching reform. There are five problems in the traditional digital electronic technology classroom teaching. Due to the nature of curriculum- engineering and practicality, the digital electronic classroom teaching based on the CDIO concept...

In this paper, in order to obtain performance of marine natural gas/diesel dual fuel engine on exhaust gas recirculation (EGR), the AVL-FIRE software had been adopted to numerical effect analyze of different EGR on combustive process and emission of the engine. The result shows that numerical simulation...

In the article, there is verified the active natural disasters’ policy in the area of Poland. In the examined area, preventing the negative consequences of the extreme phenomena is financed from the central budget and from the budgets of local governments (self-governments). Expenses are assisted by...

As a new commercial computing model which sharing resources, cloud computing is widely used in the field of data storage, it stores massive amounts of data in the data center and provides transparent, secure and reliable computing services and data storage for upper applications and services. It has...

Path planning for autonomous agent is an important issue in artificial intelligence, its purpose is to find a reasonable path by following certain optimization criteria, such as the length of path is shorter, the path can avoid collision, and the path is smooth, etc. This paper proposed a two-layer adaptive...

Firstly, according to the characteristics of the power listed companies, a comprehensive evaluation system of its financial capacity is established. Then, the technique for order preference by similarity to ideal solution which can make the multi-objective decision is applied in evaluating power listed...

In view of the problem of optimal operation of microgrid system, a mathematical model of economic optimal dispatch of microgrid was established in this paper, aiming at the lowest cost of generating electricity of distributed generation, operation and maintenance of corresponding equipment, and the lowest...

General education is a model of talent cultivation to broaden the knowledge scope of college students. General education elective course is the richest part of general education. However, the general education elective courses in most colleges and universities have stepped into a bottleneck period. In...

One of the main problems in Papua Province is poverty, because the Poverty Depth Index (P1) in Papua Province is greater than other province, which was 7.17 in 2019. This value is bigger than the Poverty Depth Index in Indonesia which was only 1.55. This study will analyse the factors that affect the...

Incorporation of Artificial Intelligence (AI) into Energy Management Systems for resource optimization and smart power grid development. While previously, research literature has set a foundation of AI for developing energy solutions, implemented and scale capabilities of practical efforts, like networks,...

Based on provincial panel data from 2013 to 2022, the Theil index for 31 provinces in china is measured, and the impact of digital inclusive finance on the urban-rural residents income gap is empirically examined using the two-way fixed-effects model. This study found that: (1) Digital inclusive finance...

In this paper, through VR technology and human-computer interaction technology, using JavaScript and C# language, etc. We study the implementation of a virtual museum and improve the interaction design in the virtual museum to explore a novel and public-compatible virtual museum, so that users can achieve...

This paper takes the urban village of Jiahe Wanggang community in Guangzhou City as the research object, uses spatial topology and Depthmap digital simulation and other methods to estimate the activity space of residential population in the small area, discusses the accessibility of residential population...

In order to solve the problems of scattered and isolated R & D and design resources, low sharing degree and low collaboration efficiency among group manufacturing enterprises, affiliated enterprises and factories, based on the in-depth study of the connotation and characteristics of R & D and...

In order to analyze the concentration changes of n-alkanes and PAHs in water solution of oil treated with and without dispersant, 180# fuel oil was tested with two kinds of dispersants. It was shown that addition of dispersants caused a marked increase in the concentrations of n-alkanes and PAHs in chemically...

Internet users tend to have a number of different types of Internet accounts, and yet there does not exist a perfect Internet account association approach. The telecom network operators use DPI technology can detect the part of user's Internet records, which makes it possible to realize the connection...

Ultrafast carrier dynamics of bulk ZnSe is investigated by means of the optical-pump terahertz-probe spectroscopy with pump fluence ranging from 38 to 239 J/cm2 at room temperature. With the laser pulse excitation at 400 nm, the negative transmission of terahertz pulse shows an ultrafast rising followed...

In recent years, development of mineral pipeline is rapid, which is one of the best way to solve the question fine iron ore output in the complex terrain of the western china. Application practice shows that the method of mineral pipeline transportation solved a series of defect from other transportation...

Different organizations and governments are working toward publishing their data on the web to achieve a variety of goals. Published data facilitate transparency and cooperation. Currently, most of the data available on the web are not easily accessible, which limits their application. The Semantic Web...

The radon concerchitntration in the classroom, dormitory, laboratory and recording room of a campus in Shenbei was measured and calculated by the FT648 radon measuring instrument. The results show that the levels of radon concentration in a student dormitory and classroom were lower than national limitation...

BIM technology has already got relatively extensive application in the field of domestic architecture, but it is rarely used in the tunnel engineering construction. To solve the problems such as the construction of car cross channel and tunnel subject structure, the construction process control of the...

In this paper, we propose a novel methodology that classify the power system dynamics events patterns using neural network and wavelet through studying one single variable at a network bus. DWT allows the identification of components of the LFEO (low-frequency electromechanical oscillations), their frequencies,...

The initiation of Yenching Academy, as an institution to promote internationalization of higher education, was controversial for its inequality in treating Chinese students and international students. This inequality resulted from China’s past traumatic historic narrative and its demand for a higher...

The robot involves a smart tennis picking robot based on STM32 and Raspberry Pi. The mobile robot body is formed by sheet metal forming. The driving method is three-wheel independent driving, and three hollow cup DC servo motors are respectively controlled by three. An omnidirectional wheel. The robot...

The application framework is a reusable design component. It specifies the architecture of the application, clarifies the dependency relationship, responsibility allocation and control flow among the whole design, collaboration components. JAVA mobile application program. In order to deepen the readers'...

In text classification, texts are represented as a high-dimensional and sparse matrix, whose dimension is the same as the total number of terms of all texts. Using all terms for text classification tasks will affect the accuracy and efficiency. Feature selection algorithm can select some features most...

Based on the strategic planning of Shanghai Metro Smart Station and the main problems existing in the Automatic Fare Collection System of rail transit, the application requirements of speech recognition technology in the Automatic Fare Collection System of rail transit are put forward. On the basis of...

The aim of this research is to obtain the practicality of scrap-mod as a learning media on a molecular geometry matter. It is reviewed based on the activities of the students and responses of the student. This research used the R&D (Research and Development) method which is a limited trial stage. Data...

Maintaining discipline in institutional environments is a significant challenge, often requiring manual monitoring methods that are time-consuming and error-prone. This paper presents an automated system that utilizes machine learning for real-time discipline monitoring, specifically detecting the presence...

For the current heavy manual monitoring work and frequent failure of electrical equipment, an online monitoring scheme for equipment state based on current sensor, WIFI communication module and embedded development board is designed. K-means clustering algorithm is used to analyze the current data set...

To verify the relationship between Chinese investor sentiment and Chinese stock returns, this paper collets data from 2003 to 2015, using principal component analysis method to construct the monthly investor sentiment index, then using Granger test to examine whether Chinese investor sentiment and stock...

In remote sensing imaging, there are two factors, which cause differences in radiation under different imaging mode, the first reason is the atmospheric transmission, and the second reason is difference of reflection in ground objects. For the atmospheric transmission, a lot of atmospheric transport...

The paper firstly introduces Web service technique, based on which the paper researches the supply and demand service under Web services-oriented supply and demand network collaborative management system architecture. Agent has features, so the paper focuses on researching integration method of Agent...

Partnership is the commonly used form of foreign consulting company. In this paper, through literature research,25 factors that impact the implementation of partnership in China were been summarized. Then based on the questionnaire survey,and using the method of principal component analysis, five critical...

- In this paper, we consider the construction of an optimization algorithm designed to identify, in automatic way, the optimal parameters and algorithms for binary classification in the task of customer churn prediction in telecommunication. The currently supported methods for classification include...

Based on cell transmission model, this paper formulates a dynamic simulation model for studying emergency evacuation in a public facility to improve evacuation efficiency, in terms of inefficiency of static simulation model. Considering evacuation population, evacuation rate, the size of buildings, diffusion...

This paper, based on the existed EMD decomposition to extract the fault feature signal, will apply the analytical model named Volterra series model of chaotic time series to the fault diagnosis of rotating machinery. The method of combining EEMD decomposition and Volterra series model is proposed to...

With people’s safety awareness improves, more and more security and monitoring system is need in society. The security and monitoring system designed in this paper is based on the wireless sensor network. The system can record audio, video, alarm and other signals, and the signals can be stored for future...

In order to reflect the dynamic characteristics of satellite on-orbit deployment more precisely, a Modelica-based modeling and simulation of satellite on-orbit deployment and attitude control was achieved. Form Modelica standard library, world component was extended, this simulation system integrates...

We introduced the Spatial Information Grid System(SIGS) into the research of reservoir-induced earthquakes based on simulated data and existing computational models. With the graphical and grid management functions, we calculated the probability of reservoir-induced earthquakes by dividing the study...

Data centers with millions of physical and virtual end hosts are now the basis for many Internet and cloud computing services. Hence, it is no longer practical to employ the traditional flooding method for the broadcast tasks in such large networks. In order to improve the efficiency of broadcasting...

Basing on a picker-to-parts batch picking system of full container load, an order batching model takes picking equipment and commodity packaging volume into consideration is constructed, the objective of the model is to maximize the saving mileage. To solve the model, an order batching variable neighborhood...

Non-coal mining generally produces a large amount of tailings, and tailings usually accumulate in the canyon between two mountains, and the downstream of the tailings is intercepted by the dam. The dam is called a tailings dam. The development of safety monitoring technology for tailings dam is accompanied...

Based on analyzing the current status of constructing practical teaching of computer majors, this paper proposes to construct the trinity practical teaching system for computer majors with the cultivating of students’ application abilities as the main line while integrating the three key links in the...

In order to generate a geographical profile, based on the spatial distribution theory and the probability distance theory, two strategy models are established. At the same time, we also analyze the complexity and the accuracy of these models.

Intelligent Home is the embodiment of linking under the influence of Internet. The intelligent home connects all kinds of equipment in the home together to provide home appliance control, illuminating control, remote control of telephone, indoor and outdoor remote control, burg proof alarm, environmental...

This paper proposes a new direction-of-arrival (DOA) estimation algorithm, which is suitable for the scenario that the number of sensors is large, and is comparable with the number of samples in magnitude. Instead of utilizing classical subspace technique, sparse-recovery-based approach with log penalty...

A novel asymmetric U-Shaped slot antenna with WLAN application is proposed and fabricated. The proposed antenna consists of an asymmetric U-shaped slot and an inverted L-shaped slot which are designed to applied to WLAN devices, in addition, fed by a coplanar waveguide (CPW) Furthermore, Good agreement...

The water quality in Fuyang River (hengshui section) had been detected by atomic absorption spectroscopy analysis and titration analysis and other analysis methods, such as, the hardness, turbidity, coloration, pH, conductivity and the content of four kinds of heavy metal ions.The test results showed...

In the modern world, with the rapid development of science and technology, computer and related technologies have been used in many fields; of course, intelligent video surveillance system cannot do without computer technology. This system also cannot do without the core issue: the detection of the goal...

The biggest characteristic of VR virtual roaming is that the object being roamed exists objectively, but the form of roaming is virtual in a different place. At the same time, the making of roaming object is the real data based on object. Virtual reality technology is appeared at the end of twentieth...

Firstly, this paper calculates the weight and synthetic weight of all indexes through analytic hierarchy process. Quantitative and qualitative analysis of various factors affecting the health of TCM(traditional Chinese medicine) culture and TCM teachers. Secondly, through the questionnaire survey of...

Acid mine drainage waste is waste from which the impact is detri- mental to the environment and human health. To overcome the pollution of acid mine drainage waste, one of the studies is using biochar-CaO composites to reduce the level of metal content in the waste. Time constraints, expensive materials,...

Unemployment poses a significant challenge to national development. In response to this concern, the government initiated a unique survey on unemployment known as the Survey Angkatan Kerja Nasional (SAKerNas, National Labor Force Survey) in August 2022. This study aims to assess the predictive performance...

The legal consciousness of college students plays an important role in legal quality in the construction of our socialist country under the rule of law. At present, it is crucial for university students to have basic knowledge of legal psychology and form good legal faith to improve legal consciousness....

This paper focused on the question of measuring process capability index under the Beta distribution. First of all, analyze process capability index under Beta distribution, get the equation of process capability index. Then, in order to know the effects of process capability index on process capability,...

A kind of UAV with coaxial propellers and multi-rotor is presented and the dynamics model of this UAV is established in this paper, then the control system of the UAV is designed on the basis of PID control algorithm, which includes altitude and atti-tude control module. Simulation results show that...

With the development of domestic economy, the ability of medical research has been greatly enhanced, and the communication with international medical organizations has become more and more frequent. Academic papers, as a means of daily academic exchange, increasingly show its importance. A qualified...

As one of typical paravirtualization hypervisors, Xen has received widespread attentions especially its scaling capability under some kinds of workload. In this paper, we focus on the problem that the most CPU resources are occupied by frequent interrupt from the NIC(Network Interface Card) and it will...

Based on the exergy analysis model and the data of an ASHPWH system,exergy analysis of the system was carried out,and the way was discussed to reduce exergy loss.The exergy efficiency of the system was 43.7%,and the exergy loss coefficient of the compressor was the largest in the system,accounting for...

As one of WTO plurilateral agreement, WTO Government Procurement Agreement (GPA) have 44 parties now. China wants to join the agreement, and is on the actively negotiating. According to the IMD Competitiveness Yearbook released 1996 to 2014 GPA members’ relevant economic data, this paper using Logit...

Aiming at the problem of low efficiency, low quality and uncertainty of the subjective control of the beverage bottle defect, this paper designs a kind of beverage bottle defect detection based on machine vision large data analysis and multi-sensor information fusion. System. At the same time, a large...

The broadband performance of quarter wave plate circular polarizer based on FSS is presented for high frequencies applications. Currently, the transmission loss and broadband of circular polarizer at desired frequencies is important issue for high frequencies application. Here, we are introducing some...

Recently environmentally conscious product design (ECPD) is highlighted by research community, because of the global conscious about low carbon emission and sustainable development. ECPD cares about the environmental, social and economic impacts of products during their life cycle phases, with the destination...

The project teaching method is a kind of teaching mode with project contents as the center teaching. It creates the learning environment through selecting typical actual project, carries out the study and completes the project learning in the way of group collaboration, fully taps the creative potential...

With the rapid development of AI technology, its widespread application in various industries has had a profound impact on employment structure, job demand, and labor force skills. Research shows that AI activates potentially relevant industries through its penetration, collaboration, substitution and...

Mobile electronic games with the hand-phone as the carrier have gradually become a necessary product for people's leisure and entertainment in twenty-first Century. They have become a new way to inherit the excellent traditional culture of various countries, so the design and development of the game...

In this paper, we first introduce the hierarchical structure of semantic Web, the goal of semantic Web, and describe the definition of ontology and the properties of the elements such as concepts, relations, functions, axioms and instances. In this paper, the domain ontology is integrated into the Web...

The paper analyzes the need of complex system modeling. According to the advantage and shortage of UML and Petri net, comprehensive usage of Petri net and UML can efficiently improve the comprehensiveness, consistency, accuracy and completeness of the model describing. The translation rules from Petri...

This article will divide the consumer attitude into the hedonism and utilitarianism meanwhile dividing the satisfaction degree into decision-making and purchasing based on purchase phase ,then studying the correlation among the above 4 points and loyalty index. Firstly, we get the measurement scale of...