Advances in Computer Science Research

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...

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...

Strengthen the protection of personal information, learning prevention method of network information attack. Through scientific means to protect the privacy and self interest of Network Management System of Community Movements system is the professional knowledge. Based on the digital certificate we...

Firstly, the connotation of the trusted and controllable information network is introduced. Secondly, the key technologies are summarized for realizing the trusted and controllable network. Finally, the mechanism for building the trusted and controllable security architecture for the information network...

Aiming at the defects of traditional K-means clustering algorithm for big data, this paper provides K-means clustering mining optimization algorithm based on big data, shows a MapReduce software architecture which is suitable for large data processing mechanism, provides an improved method for selecting...

The article presents the review of organization and functioning of corporate bonds market in Poland from 2009 till 2015. It analyzes the main characteristics of this market –value of bond issued, owners of polish corporate bonds, typical maturity of issued bonds and institutional arrangements of secondary...

With the development of computer technology, communication technology and Web technology, intelligent building has been widely used and accepted for many years. In this paper, the key technology of cloud data center system design is analyzed. At the same time, the realization principle of the system...

This paper takes ALTERA EP4CE6E22C8N as the control center, and designs a multifunctional digital clock system based on FPGA, which consists of clock module, timing module, power module, keyboard control module, data decoding module and digital tube display module HDL designs text input for the system...

The paper relies on the design of network security in the network engineering of a university's campus network to comprehensively analyze the security status of the campus network and the needs of campus network security. Focusing on the analysis of security issues, we conducted an in-depth study of...

3D reconstruction technologies are increasingly applied in the digitization of cultural heritage. However, traditional photogrammetry methods often involve high costs, while deep learning approaches such as Neural Radiance Fields (NeRF) require intensive computation, making it difficult to balance reconstruction...

The liquidity of assets is one of the important factors affecting the return on assets. This paper takes the monthly trading data of China's A-share market from January 2005 to December 2020 as the sample space for the empirical research, and takes Amihud illiquidity index as the liquidity index...

Reinforcement effect of cement grout injection on soil was studied using PFC2D numerical simulation test. The effect of cement particle size distribution, soil particle size distribution and the parallel bond strength between particles on mechanical properties of cement soil after reinforcement was analyzed....

This paper presents the methodology and results of an exhaustive text-mining analysis performed on the subject “Dematerialization and Environment”. Three main fields have been investigated: international academic publications (documents extracted from the Web of Science database during the period 1994-2013),...

Probability hypothesis density filter based on Random Finite Set(RFS)recently become a research hotspot for multi-sensor information fusion in the world. An overview of the emergence, the development and the present research situation of the PHD filter in target tracking is presented here. Special attention...

The young teachers are the driving force for the continuous for improvement and development of colleges and universities. Therefore, how to build a fine business, scientific research, good moral quality, stable. and enterprising young teachers team is an important issue to be studied in Colleges and...

With the grid connected inverter is widely used in the new energy power generation, which is represented by wind energy and photovoltaic power generation, the resonance problem caused by the grid connected inverter becomes more and more a threat to the safe and stable operation of power system. This...

A Novel Miniaturized Vivaldi Antenna utilizing resonant structure to extend the low-end bandwidth limitation is presented in this paper. The low-end bandwidth limitation of the proposed antenna has extended to 2.45 GHz from the original 3.07 GHz. In addition, the gain of the proposed modified antenna...

In Northern Europe the production of ornamental pot plants in greenhouses requires use of supplemental light, as light is a restricting climatic factor for growth from late autumn until early spring. By participating in demand response programs such as real-time pricing, growers can schedule electricity...

The suggested methodology of the assessment of the potential of the innovative development of a territory is based on the research of qualitative and quantitative indices using the method of the hierarchies' analysis. The components of the potential of the innovative development of a territory are the...

This paper studies the problem of modular architecture when the durable goods are sequential innovation and manufacturers adopt the trade-in policy. It is assumed that consumer preferences for product quality are uniformly heterogeneous. In order to expand sales, the manufacturers used the trade-in policy...

This paper is based on the research of the wind environment in a residential area. Comprehensive analysis of the residential building group's outdoor wind environment with two different layouts was made by using the establishment of the physical and mathematical models of the outdoor wind environments,...

Polar codes represent an emerging correcting codes with power to approach the capacity of a discrete memoryless channel. However, the decoding performance of polar codes with traditional successive cancellation (SC) algorithm cannot match that of the low-density parity-check or Turbo codes. In this paper,...

To solve the problem of insufficient feature extraction and low feature extraction efficiency of local directional pattern, this paper proposes a new facial expression extraction method based on difference center-symmetric local directional pattern (DCS-LDP). The grey values in the fields of neighborhood...

Using a panel of China’s 31 provinces over 1978-2008, we examine the effects of entrepreneurship on economic growth in the context of China’s transformation from a centrally planned to a market-oriented economy. We divide entrepreneurship into two types: one is business creation and the other is innovation....

Aiming at the lack of effective security monitoring of mobile terminals, this paper proposes a mobile terminal security monitoring system based on distributed agent, which adopts distributed deployment and centralized management. Also, a multi-level malicious behavior monitoring model is proposed to...

In this paper, a novel bandpass filter (BPF) with high selectivity and great out-of band suppression is proposed by using stepped impedance resonators (SIR) and defected ground structure. The measured 3-dB bandwidth of the proposed BPF is 2.62-2.72GHz; the maximum simulated insertion loss is 0.4 dB within...

The shipment of offshore oil platform is a very important part of the process from construction completed to the offshore installation. As the large marine module moves in the process of the skidded loadout, Different positions of wharf produce different degrees of deformation. We need to improve the...

The use of piezoelectric lead Zirconate Titanate (PZT) transducers is growing in the monitoring of large-scale engineering structures, such skyscrapers and bridges. PZT transducers are implanted in the surface to monitor structures using electro-mechanical impedance or electro-mechanical admittance with...

Everyone in this modern and technology-prone era relies on various online news sources for quick access of information. In addition, with the rise in popularity of social networking sites, within a short span of time, rumors circulate quickly among millions of users. Fake news is a threat to democratic...

The objective of this study is to examine the design language of cartoon images in children’s online education applications. The aim is to investigate the strategies and approaches used in designing cartoon images for children’s online education platforms. The study involved the collection of cartoon...

Network text mining analysis is an important method for the evaluation of tourism destination image, through the collection, screening and analysis of network data, the tourists' perceptual information can be obtained, the attributes and characteristics of tourism destination image can be studied and...

For serious cases fisheye lens distortion, we use fisheye images captured image get a lot of information presented fisheye correction method using Matlab image processing software, the successful implementation of correcting the image distortion. And experiments show the feasibility of the method.

Proposed a positioning method for high dynamic distributed platforms combined two-way microwave ranging with short baseline interferometer angle measurement. Effectively suppressed Doppler interference while ranging based on the frequency and time characteristics of broadband Positive and negative slope...

Along with the technological advances and development of the society, China's aviation industry is also developing. How to optimize the production schedule in aviation manufacturing enterprises has become the primary problem for developing aviation projects. This paper analyzes the current condition...

In the face of the new normal of agricultural development in China, China proposed the development of the sixth industry, realize the integration of the one two three industries, and ultimately achieve the agricultural production, farmers' income. This paper to industry fusion theory and Schultz's theory...

In order to realize the automation of factory transport materials, improve the automation level and production efficiency of factories and enterprises, the factory intelligent AGV based on electromagnetic guided was designed and developed. This factory intelligent AGV has tracking guide, RFID communication,...

In this paper, forklift scheduling management device was designed. The workers can quickly find the right position according to the demand of the forklift, so that the forklift could achieve accurate and efficient scheduling, to prevent sabotage and empty air forklift. And the forklift could work with...

The statics mechanic model of the casing-cement-formation is established in this paper. Effects of formation and cement characteristics on casing strength are studied under injection-production condition. The examples show that the maximum stress occurs in the internal wall of the casing, along the orientation...

In order to improve the accuracy of reinforced retaining wall seismic dynamic response analysis, this paper presents a response model seismic based on dynamic parameter tensor analysis, and inversion calculation can obtain the time history response curve and the maximum peak force of the reinforced retaining...

Energy is an extremely crucial resource for Wireless Sensor Networks (WSNs). Many routing techniques have been proposed for finding the minimum energy routing paths with a view to extend the network lifetime. However, this might lead to unbalanced distribution of energy among sensor nodes resulting in,...

Continuous increasing of traffic demands often more than the network supply is the primary reason of traffic congestion. Recently, the existence of macroscopic fundamental diagram in urban traffic network has been validated and moreover activated the researches for the perimeter control of the network....

Electric energy metering system consists of watt-hour meter, voltage transformer and current transformer. Hence, the error of electric energy metering system should be analyzed from the three parts. Aiming at the measurement accuracy of the power metering system under harmonics, the equivalent circuits...

Under the complicated variable international economic environment, investment of thermal power project faces many risks. In order to reduce the risk loss which due to thermal power project investment, the paper uses risk matrix to evaluate factors of investment risk in thermal power project. First, the...

The inventory is related to enterprise’s production, sales and cash flow. Therefore, enterprises pay more and more attention to safety stock control. In this paper, on the basis of support vector machine (SVM) model and RBF neural network model, genetic algorithm (GA) combined forecasting model is established...

This paper presents a unified method for fast single image enhancement without using any extra information. Adopting a linear combination model of direct attenuation and un-uniform illumination, we describe a unified approach to handle such degraded images with a strategy that gracefully bridges the...

Based on the case teaching implementation process as background, we propose three suggestions with changing teaching idea, transforming teaching method and improving professional ability. And we also put forward to carry out three implementations with good preparation before class , the class discussion...

Due to the wide application of information technology, the speed of technology update is getting faster and faster. Innovation network is very important to the development of industry. So, innovation network is the hot spot of innovation research now. Through the analysis of the existing literature,...

With the continuous development of modern information technology, computer network and multimedia technology have been used more and more widely. Due to the diversity, integration, control, interactivity, and real-time characteristics of multimedia technology, the application of multimedia technology...

This paper takes the wireless network construction project of Jilin Business and Technology College as the research object, this paper introduces the general principles and technical requirements of the construction of Wireless campus network, constructs the network topology based on the above principles,...

Hydraulic transmission technology is a combination of fluid mechanics, mechanical design, mechanical principles, electrical and electronic, automatic control and other aspects of the comprehensive knowledge of the curriculum. In order to cultivate students' innovative spirit and practical ability, this...

Aiming at the shortcomings of traditional contour superposition analysis in quantitative evaluation of DEM error, the purpose of this paper is to propose a new method to measure the DEM accuracy by using the map spots of contour superposition. To begin with, the concepts of the difference rate and the...

The World Health Organization in 1981 began promoting Healthy City and Healthy Community vision to promote the healthy behavior of protection and improvement of the quality of life and maximize the protection of the natural environment to reduce the impact of disasters, such as losing exercise, nutrient...

Soybeans are national food crop commodity with a high level of consumption per year. Efforts to increase soybean production are accomplished through fertilizer application. The utilization of chemical fertilizers, however, can negatively impact the environment. One alternative to the application of fertilizer...

With the continuous development of reinforcement learning, artificial intelligence has reached a level of sophistication where it can effectively handle complex situations, making it a valuable component in video game development and gameplay experiences. Recent applications have demonstrated the potential...

With the advantages of high integration, high reliability, fast processing speed and online programming, the field-programmable gate array (FPGA) has become a hotspot of the studies on digital communication systems. In a suppressed carrier digital communication system, the quality of carrier extraction...

With the development of IOT and economic progress, consumers demand has great changes for fresh agricultural products. But traditional agricultural supply chain model exist problems. To achieve Information management fresh produce supply chain, To achieve intelligent production cultivate fresh produce,...

The constant development of information technology promises the extensiveness, professionalism and comprehensiveness of the sources of the competitive sports intelligence data; and the analyzing of the competitive sports intelligence also makes it turn from artificial experience analysis to the direction...

Based on the investigation data on Pb in Jiaozhou Bay in May, September and October in 1983, were analyzed the horizontal and seasonal distribution of Pb. The results in this paper showed that Pb contents in surface and bottom waters were closed in the bay mouth in different seasons. For seasonal distributions,...