Advances in Computer Science Research

B‚zier curve is one of typical nonlinear splines, which is of importance for geometric representation, such as edge, contour. Generally, all control points are dealt with based on the same blending functions, regardless of the effect of every independent coordinates on geometric shape. Therefore, current...

The purpose of this study is to find out the most critical factors that affect the satisfaction degree of customers in Xi'an Hotel. This paper put forward the view that customer satisfaction was mainly influenced by the factors of service quality, price, product quality, brand and prestige. Then a survey...

Educators are familiar with the three domains of learning: (1) cognitive, (2) affective, and (3) psychomotor. The instructional and assessment strategies are typically focused on the cognitive domain of learning because of the difficulty in measuring gains in the affective domain during the teaching...

Existing neural network algorithms have the problems of slow convergence and low accuracy. In response to this phenomenon, this paper presents a neural network blind equalization algorithm based on feed-forward neural network. And we proposed feed-forward neural network blind equalization algorithm by...

It is found the hot forming quality has close related to the initial temperature of the pressing die, the blank, pressing speed, cooling rate and the friction between the part and tools. Through the design of orthogonal test and multiple regression analysis, the regression model of thinning rate and...

Improving the dynamic performances of BDS receiver with INS-aided is the hotspot of the current navigation research, and the key problem is how to improve the performance of signal acquisition. This paper has some research and analyses about the theory and mathematic model of signal acquisition. Though...

Safety culture and the leader interaction with member are the keys to accident prevention. An equation of structure model (ESM) involved Leader-member exchange (LMX) and each element of safety culture is constructed based on literature review. And it is verified by this empirical study in China. 625...

Sorting is a fundamental problem in computer science, and the strict sorting usually means a strict order with ascending or descending. However, some applications in reality don’t require the strict ascending or descending order and the approximate ascending or descending order just meets the requirement....

The hardware modules of the balcony farm system include McS-52, WIFI, temperature and humidity, relay, LCD1602, etc. The software is developed by eclipse, and the user interface is developed with technologies such as linear layout, GridView, Activity and Intent. Finally, the mobile APP can monitor the...

Aiming at the problem that traditional beekeeping does not form a pattern management and requires a lot of manpower, it is difficult to monitor the status of beehives, an intelligent beehive system for real-time monitoring of beehive status is proposed. The system is composed of a single honeycomb, a...

Based on high performance composite components manufacturing process in the system of state monitoring and fault diagnosis is the key problem, established the mathematical model of a new type of second order bistable and proposes a adaptive stochastic resonance noise reduction method based on the model,...

Nowadays mobile data traffic is soaring gradually year by year, the total monthly mobile data traffic (includes uplink and downlink) has come to more than 3,500 Petabytes and the growing trend is continuing. Video streaming demand is the significant contributor of cellular network data traffic, it accounted...

The goal of this research is to look at the characteristics, and general trends in Educational Technology articles produced by writers/authors and published in journals listed in the Thomson Reuters Web of Science, Elsevier Scopus, and Eric from 2017 to 2022. Using the ‘Educational Technology Papers...

Enterprise culture plays an important role in the process of the corporate development. Enterprises are beginning to pay more attention on information technology application in culture constructions. In this paper, the current situation and problems of computer application is analyzed, especially network...

This paper studied the problem of comprehensive evaluation of smart growth cities from three dimensions of sustainable development. Concretely, an evaluation system for smart growth cities from the dimensions of sustainable development - economic, environmental and social, is constructed, then a fuzzy...

The existing power supply capability evaluation methods is difficult to evaluate the distribution networks in both normal and N-1 fault states comprehensively, which creates an obstacle to the use of the evaluation results. In this paper, an evaluation model of TSC for distribution networks based on...

This paper discusses interplanetary travel, especially flight to the asteroids, by means of spacecraft which use solar sail instead of an engine and a propellant. The design model of the solar sail spacecraft “Helios” which created in computer-aided design system is described. The mathematical motion...

Automatically generating summary of articles is very important when we encounter explosive reading information; computers can help people on text compression, extraction, representation and obtain core text content automatically. However, computer still encounters a lot of difficulties, for example,...

In order to improve the NTP and PTP time synchronization accuracy, this paper summarizes the synchronization principle of two protocols. On this basis, the synchronization error sources are modeled one by one, and the error of the mathematical model are presented. Finally, experimental verification showed...

With the expansion of control system and the development of bus technology, the data collection and transmission technology put forward higher requirements. With the development and popularization of Ethernet technology, the serial data of these devices need to be transmitted through the network, so...

In this paper, we propose an efficient soft iterative decoding method for raptor codes, which are customized for satellite broadcasting systems. The raptor codes presented in this paper are composed of a systematic LDPC code concatenated with another systematic Luby transform (LT) code. The outer codes...

In available trust based recommendation schemes, users always tend to transact with the entity with highest trust value. That will result in the fact that the virtual community’s resource cannot be fully utilized. The entity with the highest trust value will also delay the response because of its capacity...

The power cycle test is an important method to test the reliability of the device and eliminate unqualified samples. It is significance to measure various performance of the device. However, the junction temperature of the device changes greatly during the power cycle. Inappropriate high power cycle...

As football is crucial part in physical education of higher vocational colleges as well as one of sports events that are well received by students in physical teaching in higher vocational colleges, its teaching methods will directly affect quality of teaching. In current physical education system and...

Under the business background of “new retail”, the integration of online, offline and modern logistics, coupled with the application of information technology such as big data and cloud computing, has brought in a new trend for the retail industry. The operation of chain convenience stores today is very...

Hypertext is the main format on the Internet, which has the characteristic of the non-continuity and simple formal standard. This paper researches how to extract information from hypertext by regular expression, gives the example on extracting weather information base on the web of Sohu, Sina and Tencent...

With the rapid development of the computer industry information has become a new trend. Building information modeling (BIM), the latest expression of information technology in the construction industry, is revolutionizing the construction industry. In the increasingly complex situation of modern architecture,...

The inductorless design method can facilitate experiment debugging and even engineering applications for various circuits. By introducing active diode pair as Chua’s diode, a new smooth inductorless Chua’s circuit is proposed based on a band pass filter with second order Sallen–Key topology. The dynamical...

Based on the whole process of power grid construction, on the basis of the popularization of digital design technology and the background of digital power grid construction, this paper studies the construction quality and schedule assistance technology of power grid construction, and uses automated tools,...

To find the expressions of cognition, a single unit fuzzy event cognitive computing based on goal was designed. The cognitive data were single unit fuzzy events, cognition, inputting cognition, goals, works, methods and problems; the performance was measured in cognitive computation performance figure....

"Dexterity" is an important index to measure the technical level of the robot dexterous hand, which demonstrates the ability to work in any position with the target shape. This study is based on the Shadow dexterous hand, and the mechanical structure characteristics of Shadow dexterous hand are studied....

This paper designed and produced adevice based on c51 MCU. This device recorded the number of cycles of a Bicman tire in a certain timethough theHall sensor, and then calculated the mileage and speed of the Bicman by the number of cycles. Finally it could display the mileage and speedwith a digital tube....

In order to solve the problems existing in the existing manufacturing supply chain operational efficiency is low, the difficulty of coordination management and maintenance difficulties, analyzes the operating status of manufacturing supply chain, the cloud technology used in traditional manufacturing...

In order to analyse feasibility of electrical energy alternative with development mode of new-type urbanization, a method based on net income - investment ratio for comprehensive benefit evaluation model of electrical energy alternative is proposed. The economic benefit, environmental benefit and comprehensive...

The purpose of this paper is to provide an efficient pricing method for barrier option with stochastic volatility and jump risk. First, by constructing a nonuniform variance grid and using local consistency arguments this paper approximates the stochastic volatility jump-diffusion model with a finite...

We expatiate and summarize the partition method about transportation mode, and then we analyze the function concept of generalized transportation cost in details in this paper. After the equilibrium model of regional transportation network and the algorithm of the multi-mode and single goods have been...

Application of the method of analytical design of aggregated regulators for constructing systems of control over nonlinear objects under the conditions of uncertainty (with incomplete description) is discussed. The controlled objects are presented as a system of ordinary noninear differential or difference...

A new region-based image fusion technique using the contourlet transform (CT) is proposed to produce a fused image better for human and machine interpretation. For good properties of multiscale, localization, directionality and anisotropy, the infrared and visual images are first decomposed using contourlet...

Let G be a graph where for each vertex, a subset of a set of K colors is assigned. If for each vertex to which an empty set is assigned, its neighborhood contains all K colors, then such an assignment is called a K-rainbow dominating function of G. The corresponding invariant rrk(G), which is the minimum...

The emergence of the optical fiber communication technology, it is injected fresh blood to this new era. Because it has a long transmission distance, large capacity of communication, the advantages of strong anti-interference ability, in the field of radio, telephone and computer networks and other have...

This paper proposed a mould modification algorithm based on improved Fast Fourier Transform. The wavelet transform and Fourier transform are used to solve the shape transfer function of the springback closed-loop control system. Through the shape transfer function to predict the mould surface shape corresponding...

Based on a self-built corpus, the present research carries out a longitudinal study method, which explores the developmental tendency of productive vocabulary in English writing from the aspect of lexical frequency profile and the lexical complexity of vocabulary breadth. The study examines the final...

In many real-world optimization problems, the location of multiple optima is often required in a search space. In order to evaluate the solution, thousands of fitness function evaluations are involved that is a time consuming or expensive processes. Therefore, standard Particle Swarm Optimization (PSO)...

The aim of this study was to investigate the influence of bacterial carbonate precipitation on the compressive strength and capillary water uptake of fly ash concrete. Cement was replaced with three percentages (10%, 20% and 30%) with fly ash by weight. The effects of bacterial induced precipitation...

Water quality monitoring was a basic work for water quality resource management, there were some problems in the current detection means for oily waste water, such as low measurement accuracy, off line detection, an so on. Based on the principle of surface plasmon resonance (SPR), a optical fiber sensor...

According to the characteristics of forging production, it describes the forging production from the dimensions of forging products, forging equipment, process flow, quality management, mold management, production personnel management, and sorts out the data flow in the forging production process, which...

With the development of science and technology, virtual reality (VR) technique has been applied to various fields. In civil engineering, the application of VR technique to field practice and training has still been limited. By summarizing the characteristics of field practice and training, the potential...

Based on analysis of problems existing in current practical teaching system of applied undergraduate electronic and information engineering specialty, the paper aims at its training objective and orientation of application-oriented undergraduate, and makes a design plan of practice teaching system focusing...

Modeling industrial objects needs the formulas of curves and surfaces to construct a precise shape of real goods and simulate some process of form creations. For this reason, the study of the equations of curves and surfaces for objects modeling is essential for resulting in a required shape and feature...

A research project aimed at ascertaining how the most advanced technologies are integrated into enhancing agricultural productivity and sustainability is conducted. The study utilized satellite imagery to analyze key factors determining crop production that can be condensed into three key areas, namely:...

In the current real estate market, accurate house price predictions are important for buyers, sellers, and policy makers. However, traditional evaluation techniques, often relying on expert judgment and historical comparisons, are not effective in addressing the complexity and dynamic nature of housing...

The Network Intrusion Detection System (NIDS) is a crucial aspect of safeguarding against cyber threats in the domain of cybersecurity. The major drawback of conservative approaches like Machine Learning (ML) that involve manual feature selection is their dependency on human involvement, which can hinder...

It is of interest to understand the life cycle contribution from the use of smartphones including their network usage, as well as to gain knowledge regarding the impact of the smartphone as a device to provide input for network studies. This cradle-to- grave study is based on life cycle assessment (LCA)...

This paper described a study on acoustic emission (AE) in the specimens of cement-based materials, especially concrete specimens. 1-3 cement-based piezoelectric composites that have good compatibility and broadband frequency, and they have been developed for health monitoring of concrete structures....

Influence of electrical joint compound on electrical contact overheating energy consumption is studied in this paper. The high current test were made under different current(400A 600A 800A and 1000A). Aluminum-aluminum connections are selected to conduct contact resistance test and temperature rise test....

At present, there are a total of 77 types of vocational colleges in Shandong Province, how is occupational stress of the National Model Higher Vocational College Teachers? Are they generally under higher occupational stress and how do they relieve occupational stress? Society, schools, teachers themselves...

Article represents the dynamic approach for diversification effectiveness assessment of company town Berezovsky that modifies the structure of it economy towards the multisectoral one. The effectiveness concept is considered as comparison between stated goals and opportunities to reach them. The authors...

This thesis introduces the basic theory of speech signal processing, and reviews the development history of speech recognition both at home and abroad. The thesis also expounds the basic theory of Dynamic Time Warping Algorithm and Markov Model in detail, and studies the method of their application to...

The recrystallization behaviors of Al-Er and Al-Er-Zr alloy at different aging states have been investigated. The results indicate that the recrystallization temperature of Al-Er-Zr alloy is significantly higher than that of Al-Er alloy. Al-Er-Zr alloy at over aged state after 60% cold rolled has the...

In view of our country of precision fertilization device mainly depend on import, automatic fertilizing device and the actual market needs a serious gap between the status quo, this paper combines the PAC technology, proposed the classic model of agricultural water and fertilizer management, controlled...

In this paper an adaptive fuzzy-fractal filtering method (AFFF) has been applied to noise reduction of communication signal. Short-time fractal dimension contains the information related to the complexity or characteristic of the time series and it can be used to adjust the value of fuzzy control parameter...

This paper exploits the characteristics of both wavelet packet transform and singular values decomposition to propose a high capacity and robust watermarking technique. From the wavelet packets, the best wavelet sub-band, in the sense of evaluation metric, is found by using the particle swarm optimization...

This paper is aimed to solve the medical students' ability of legal knowledge to prevent and resolve medical disputes in the future medical practice. By using literature review method, this paper will focus on two aspects: one hand, how to correctly position the medical students' legal education objective...

The establishment of cloud computing system can greatly improve the data handling and interacting ability of the electricity network. However, the open operating environment faces significant security challenges. It is very important to effectively determine untrustworthy cloud terminal user so as to...

Based on the existing data, the diffusion model and time-varying prediction model of opioids are established by linear interpolation method, the transmission characteristics of synthetic opioids and non-synthetic opioids are analyzed, and the specific time and place of each state to start using specific...

Due to the development and maturation of embedded processor, micro-sensor technology and control theory, multi-rotor UAV is booming. The continuously increasing efficiency and multifunctionality make multi-rotor UAV widely used in military, civil aerial shooting, search and rescue, monitoring and other...

This study obtains more accurate data by means of questionnaires, literature, field investigation, mathematical statistics methods. Using AHP method to determine the index system and variance decision method to determine the weights of indicators, the measurement index system of public sports service...

Supply chain finance is an emerging model, which treats the core enterprises in the supply chain and the upstream and downstream SMEs as a whole. The commercial banks provide financial services to the entire supply chain. According to the natural ecosystem structure model, this paper summarized the composition...

Rescaled range analysis is a new method to reveal the natural self-similarity. Wavelet analysis shows the frequency characteristics on whole frequency domain, also can give the overall characteristics on time domain. Fengqiu is selected as the representative study area of lower Yellow River. Predicting...

The main objective of this study was to describe the effectiveness of guided inquiry-based learning to improve high school students’ science literacy skills. The science literacy skills was the ability to engage with science-related issues, scientific ideas, and reflective thinking. Evaluation criteria...

As the frequency of extreme climate events escalates, the financial systems face significant challenges. This paper empirically examines the effects of extreme climate on the volatility of agricultural product futures prices by constructing a network of agricultural product futures. The findings reveal...

Innovation is critical to economic development and business competition, and given rapid development of FinTech, we examine the effects of FinTech on corporate innovation. Analyzing a comprehensive sample of specialized and sophisticated enterprises, we find that FinTech benefits corporate innovation....

Drivers’ smoking behavior is one of the causes of traffic accidents. The traditional sensor-based smoking detection methods are expensive. Therefore, the method based on deep learning is used for smoking detection. However, due to the limitation of GPU computing hardware, deep learning detection algorithm...

This paper discusses the nature of service supply chain network from complex network perspective, and formulates a service supply chain network-evolving model based on service cooperation strength combined with service time and service frequency, which is special characteristics of service supply chain....

In this paper, in order to calculate the acoustic scattering of the duct, a thin-body boundary element method (BEM) has been proposed and the velocity obtained by the acoustic velocity formulation is use1d as the Neumann boundary condition on a rigid scattering surface. The radiated sound pressure and...

Major disasters usually impact large area and cause massive damages to variety physical elements resulting into heavy economic losses. Timely and accurate assessment of disaster damages is critical for better understanding the situation and further supporting the emergency response activities. Geo-information...

The chance of acceptance of the bid and bid winner’s profit margins is to some extent determined by tender offer under the condition of the stochastic compound base price. Thus estimating bidding rivals’ average ten-der offer becomes a key issue of the project bidders. Taking maximum probability of winning...

Considering the social high incidence and mortality rate of cervix cancer, the government provides a free medical service of Pap smear test based on the Cancer Control Act regulated in 2003. This paper attempts to understand the impact of policy implementation for Pap smear test and employs the diffusion...

Order-orientated cultivation of talents is an effective, distinctive school running model, which can help cultivating students' employment ability and solve the employment problem. Some of the problems exposed in the practice of the mode of Order-orientated cultivation of talents in some medical college...

With the rapid development of computer science and image processing technology, 3D reconstruction and measurement of surface based on computer vision have become a research trends. However,for the weak texture surface,it is difficult to extract enough key points through general corner detection algorithms....

To resolve the multi-sensor tracking problem of the targets in a non-maneuvering formation with the complicated background, based on the image technique of the group segmentation, the deletion models of the cloud-rain clutter and the banded interference were established, and the validity was analyzed...

Domain name infringement is a hot issue in the field of Internet e-commerce. The legal status and legal attributes of domain names are not unified, which is the focus of controversy in the academic circle. Analysis of the characteristics of intellectual property rights and legal characteristics of domain...

A dynamical system is one of sophisticated techniques using mathematical equations that can determine the observed state for all future times based on the current state. It will also show small changes in the state of the system create either small or big changes in the future depending on the model....

Mazo discovered that the performance of system symbol error would not degrade with manual Inter-Symbol Interference(ISI) when symbol rate is faster at some extend. This paper which took FTN as background mainly explained the carrier synchronization performance of FTN signaling under additive white gaussian...

The paper puts forward new ideas for the establishment of distributed price monitoring system on based on the Multi-Agent theory, in order to make the price monitoring process intelligent, the fault diagnosis of real-time price intelligent and conflict resolution intelligent. Price monitoring intelligent...

In order to establish the general principles and general standards for the design of high-speed cutter, this paper summarizes the research and application status of high-speed end milling cutter. It is concluded that the high-speed end milling cutter is designed only from the high-speed cutting mechanism,...

Joint is a core component of space manipulator and the foundation of space manipulator system[1]. Hydraulic manipulator is one of the key points for developing and exploring manipulators in recent years. However, servo control of hydraulic executive components still needs further studies. In this thesis,...

Transmission control protocol veno is a wireless transmission congestion control algorithm which can better distinguish different loss. It determines whether the packets random loss or congestion loss through calculate to the packets number of backlog in the network. However, transmission control protocol...

The increasing necessity of sustainability in built environments has reinforced the role of climate responsive design in contemporary practice. Building facades - a boundary layer between indoor and outdoor environments, in turn, have transformed to fulfill adapted roles of high performance integration....

TEM inversion image is a two-dimensional image, in which stratum structure does not reflect the image of the whole space, so that non-professionals can not accurately determine the exact location and shape of abnormal body. To solve this problem, two-dimensional inversion images are processed by the...

Thesis is divided into three parts. The first part introduces the task based-layer teaching five steps instructional design of English Business Correspondence in Business School of the Vocational Technology .The five-step design develops on the basis of traditional pre task, task and review , the tree-step...

The paper studies the problem of distributed frequency decision problem in cognitive user (CU) network for optimizing satisfaction performance, based on the cognitive radio technology. For cognitive user, it can use both charged and free bands. Charged bands have to be paid and free bands have to be...

An 1GHz~6.25GHz phase-locked loop (PLL) for SERDES is presented in this paper. For achieving optimized balance between acquisition speed and jitter performance at all frequency points, this PLL adopts an adaptive bandwidth method. A current-programmable charge pump is introduced to make loop bandwidth...

In the synchronous rectification circuit, due to the junction capacitance of MOSFETs and other factors, an on-and-off delay problem exists, which further leads to phenomenon of circuit short, circuit heating and inefficiencies. These phenomenon can be reduced significantly by setting an appropriate dead-time...

Signs have a long history, from early visual symbols to trademarks for commodities, to a well-established system of teaching sign design globally. Approximately in 2000, dynamic signs started to be employed and have occupied our vision and increased the dimensions of sign design in only a decade. In...

Internet plus has brought new opportunities and has posed challenges to college English teaching. This paper analyzes the influence of Internet on college English, and introduces new modes of college English teaching and learning in Internet plus era.

Using literature research method, empirical approach, and numerical comparison approach, situations of college sports venue usage and management were surveyed and analyzed. Taking Nanjing Institute of Railway Technology as a case, a management system based on the concept of internet plus and Browser/Server...

The construction of the framework of the characteristic collection database of Qilu art and culture is put forward, the platform selection and construction procedure of the database construction are introduced and the emerging problems and solutions in the process of the characteristic database construction...

This paper outlines the optimization of the L1-L2 and L2-L1 missions using electric propulsion. The optimization criterion is the total flight time. The optimal control laws are obtained using the Fedorenko method to estimate the derivatives, the gradient method to optimize the control laws and the Runge-Kutta...

Recently, a high dimensional classification framework has been proposed to introduce spatial and anatomical priors in support vector machine (SVM) optimization scheme for brain image analysis. However, classical SVM has to convert 3D discrete brain images naturally represented by higher-order tensors...