Advances in Computer Science Research

In this paper, according to the practical needs of the electric power wireless network coverage prediction, a propagation model based on real data and revised statistical prediction model (SPM) is proposed to predict the spatial field intensity distribution of the base station and improve the rationality...

Using directional antennas is an effective method to improve the bandwidth utilization in wireless ad hoc networks. However, what remain unaddressed, are the new challenges with MAC protocol design induced by the directional transmissions, such as deafness problems, new hidden terminal problems etc....

The paper proposes an Augmented Gray Wolf-Cuckoo algorithm (AGWO-CS) to improve the Gray Wolf (GWO) algorithm's performance in flexible job-shop scheduling. AGWO-CS achieves this by incorporating a reverse learning strategy during initial population generation, optimizing exploration and exploitation...

Image-based virtual try-on, as a challenging and practical real-world task, is one of the interesting research topics in recent years. Virtual try-on will become a common way to buy fashion products in the future, however, with the development in recent years, relevant review articles are not sufficient....

One of the most important method of estimating and graphing the underlying density is kernel density estimation (KDE). In this paper, we present basic knowledge of KDE, and simulations were carried out which compare three bandwidth selection methods [Normal rule of thumb (NROT), Least squares cross-validation...

The small-scale specialized households are the main body of the project of cattle feeding based on crop residues (CFCR), they are accounting for more than 90%. However, the numbers is quickly declined in recent years for the poor economic effectiveness of specialized households. This paper explains why...

Biogeography based optimization (BBO) is a new evolutionary optimization algorithm based on the science of biogeography for global optimization. In this paper, we proposed two extensions to BBO. First, we proposed a new migration operation based sinusoidal migration model with the heuristic crossover...

In classification tasks, data labeling is an expensive and time-consuming process, hence, active learning which query labels for a small representative portion of data, is becoming increasingly important. However, few works consider the challenges from data steam setting because most of the active learning...

This paper mainly analysis the driving force to the development of low carbon city in optimization and upgrading of the industrial structure, lists the practical experience and effects of implementing low carbon economy and making operating mechanism of industrial structure adjustment in developed countries,...

Industry is the main aero of the city’s energy saving and emission reduction. Currently, the industrial energy consumption and carbon emission has a high proportion of the whole energy consumption and carbon emission in Beijing. It will have great practical significances to research the characteristics...

The study included 153 adolescents from the industrial city of air pollution formaldehyde environment. On the basis of immunological and hematological parameters adolescents developed mathematical formulas to predict organism sensitization of adolescents to formaldehyde without applying test reaction...

With the continuous improvement of people's living standards, tennis is becoming more and more popular. Tennis is a sport that can make people healthy and passionate. So many people began to know tennis, and had a strong interest in it. And also more and more people began to contact with tennis. However,...

The flight delayinduces extra cost to airlines and passengers.In the process of flight delay, the cost to maintain the engine power supply is the primary part of delay loss. This paper takes different power supply modes in to account to improve the previous flight delay cost model. As well this paper...

Library data are always hard to analyze because the datasets may be very large, and these data come from unconnected sources. This paper used data detection to identify academic library use patterns and to judge whether students' grade point average correlated to academic library use. All datasets of...

In this paper, to the equipment monitoring as the research target, we analyzed the usage demand of automatic monitoring instruments and established equipment of automatic monitoring system based on the Internet of things technology. System adopts open and modular design of frame structure and flexible...

For two subsystems cascaded DPS, the stability margin monitoring can be implanted via current/voltage perturbation method. But for N subsystems cascaded DPS, the stability margins are different at different interfaces, which results in the stability margin monitoring problem. This paper analyzes the...

Recognition of abnormal behaviors is a prerequisite for effective stampedes prediction in crowded scenes. By tracking the trajectory of a pedestrian in the monitoring video, this paper has demonstrated that the kinetic features of pedestrians in the video dominate the judgment of abnormal behaviors....

This study is based on the biological experiment teaching in universities' present situation, discussed the relevant problems of biological experiment teaching in universities, and combined with the future development direction of biological experiment teaching in universities of our country, summarized...

In recent years, network information security incidents occur frequently, network information security has risen to a national strategy. In order to ensure corporate network information security and prevent data leakage, the great harm caused by network infiltration attacks, this article designs the...

Generative AI has been particularly strong in many places in recent years, especially large language models that have done very well in writing articles, answering questions, and helping to learn these things. However, these models sometimes make mistakes, such as making up factual content, or giving...

Service robots are increasingly used in the hotel industry, However, service failure is inevitable during service delivery. Based on social information processing theory, this paper explores the influence of cuteness design on customer tolerance of service robots, and examines the mediating effect of...

Polymer blend nanocomposites have been recognized as a promising path to developing a different material with high-capacity that comprises benefits of hybrid polymers with advantages of composites made of polymers. The use of nanofillers to enhance certain properties (e.g., mechanical, chemical, thermal,...

Against the backdrop of the new power system transformation, the power industry has elevated its core competency requirements for infrastructure talent, prompting State Grid enterprises to reform their human resource management. As a tool bridging job demands and talent development, the competency model...

To enhance the successful rate of enterprises adopting cloud computing, understanding factors influencing enterprises adopting cloud computing is important. Therefore, this study collects the factors affecting the use of the cloud computing service from literature review to establish a three-layer hierarchy...

The training objectives based on modern education is to explore the reform of the traditional teaching model and to design a new model based on "innovative talents training goals" for electric teaching. The new electric teaching model includes updating teaching resources, promoting student deeply involved...

This paper analyzes the concept, current development of O2O business models in china. The characteristic of these models including advantages and existing problems are also discussed extensively. Through the analysis of successful cases of these business models, a new development strategy is proposed...

With the continuous development of electronic technology and the unceasing improvement of manufacturing process, large scale integrated circuits (ICs in abbreviation and IC for its single form henceforth) has now become more and more complex. In modern high-tech industrial equipment, however, its core...

With the rapid development of computer technology and the Internet, people expect to get accurate target information from massive information efficiently. Compared with the traditional search engine based on keywords, the question-and-answer system can better meet people's retrieval needs. As an advanced...

China's Internet finance has begun to take shape and has played an active role in improving social efficiency, stimulating financial vitality and serving the real economy. At the same time, the development of Internet finance can also bring new risks. This paper expounds the actuality and necessity of...

In this paper, we consider the reciprocal sums of the Pell numbers by elementary methods. First, we investigate the reciprocals sums of two products of Pell numbers. Then, we study the alternating reciprocals sums of two products of Pell numbers .Last, we consider the reciprocal sums of even and odd...

If investors want to profit in the market, they need to have a reasonable trading strategy. In this paper, we use the moving average crossover strategy to process data, predict the short-term market price situation based on the historical price before the trading day, and also use EMA, RSI and MACD for...

MSMEs (Micro, Small and Medium Enterprises) in the village play an essential role in improving the welfare of business owners and consumers. MSMEs in the village meet the living needs of the villagers. Research is developing an IoT-based smart village transaction system using RFID and load cell modules....

Parkinson’s Disease (PD) is a neurodegenerative disorder characterized by motor impairments, and early detection is crucial for effective intervention. PD patient diagnose the disease only after having serious symptoms and the diagnosis requires huge amount of time. The self-serves diagnostic can be...

Under the condition of the global situation of network security is becoming increasingly serious, the Chinese enterprise security defense level there is still a large gap compared with abroad. We put too much focus on the external attacks and threats, but ignored the enterprise information security have...

Target recognition is a hot topic in the field of ballistic missile defense. In this paper a stratified synthesis strategy is developed to recognize the real target objectively. Firstly, a hierarchical index system of target characteristic similarity is proposed, which considers the infrared, radar and...

During the using of 3D mesh, the different LOD meshes are needed for a same model. This paper presents an algorithm of 3D mesh reconstructing based on the rendering pipeline. This algorithm bases the pipeline, performs the coordinate transform and records the original coordinates of the mesh during the...

In order to solve the problems of ground fault line selection in distribution network, the article presents a fault line selection method based on the similarity of the wavelet packet energy spectrum. After extracting a certain data of transient fault zero-sequence current by the wavelet packet decomposition,...

Objective: Faced with the new media network environment, WeChat public platform as the carrier of modern information, will make WeChat dock with the campus information system of sports teaching, and make students query various kinds of campus sports information and teaching information by WeChat public...

In order to analyze characteristics of gearbox housing under polygonal wheel excitation in high-speed train. The wheel circumference irregular was simulated by the method of multi-harmonic excitation at first, and the meshing force generated in the inner of gearbox has also been considered. A non-linear...

In order to further improve the electricity information acquisition system performance, we put forward a kind of Routing Arithmetic Based on Hybrid Algorithm of Ant Colony Algorithm with Genetic and Simulated Annealing. The algorithm takes the hops, latency and packet loss rate factors into the path...

For scratches and other defects may be generated in the vehicle seat production process, an on-line detection method is introduced based on machine vision. The defects are extracted by graying, image filtering and image segmentation based on K- means clustering region growing algorithm. The illustration...

ACFM is a new kind of non-destructive testing in electromagnetism.Fast speed, high accuracy, no much requirement for testing environment make it more and more popular in NDT.This paper presents an embedded solution of System-On-Chip for ACFM based on soft-core processor Nios ii which can integrate many...

Purpose: In this paper, based on the longitudinal data semi-parametric statistical model, the treatment data of more than 1300 AIDS patients are analyzed. Considering the influence of different treatment schemes, age and treatment time on the number of CD4 in patients. Procedures: the co-variance matrix...

This paper studies the path tracking control of fourwheel steering autonomous vehicles in presence of uncertainties of tire-road condition, modeling uncertainties, and unexpected disturbances. Due to the fast convergence of the wheel subsystem, the simplified vehicle model can be developed based on the...

In recent years China's economy always maintain rapid development, people's living standards and quality are also rising. The gradual increase in labor income has led to a dramatic change in the concept of consumption, while stimulating the changes of demand diversification of consumers. In this economic...

Recent advances in artificial intelligence, particularly in autonomous driving, have improved transportation efficiency and safety. Platforms like Apollo Go are transforming travel habits and reducing accidents. However, these advancements raise ethical and social issues, including safety, privacy and...

In the translation between Chinese and English, it is a relatively difficult part to translate Chinese traditional elements, so it must have a comprehensive and perfect translation system. In recent years, the translation of traditional Chinese cultural elements from the perspective of ecological translatology...

Dissolve oxygen of fermentation tank system is nonlinear, time varying system. The conventional PID controllers not usually applicable to the type of systems. So a new fuzzy adaptive PID controller is presented constructing the PID control system in Simulink environment, and using a fuzzy logic control...

Science and information technology today has been developing very fast, especially social networking applications such as Facebook, YouTube, WeChat... That has created a huge impact changing political, cultural, social and artistic life in Vietnam today. In this article, I just mention one issue that...

In this paper, we studied the machine repair model with impatient behaviors-balking and reneging. There are several warm spares and repairmen who take the synchronous multiple vacations in the system. We use the method of blocked matrix to solve the steady-state probability equations. And we acquired...

Telecom company tries to find out new ways for developing new personal-oriented services based on data analysis. Changes in telecom users behavior are the objects of investigation. If a user changes its service usage, the company should pay attention to the fact and minimize the negative outcomes (e.g....

In view of the shortcomings existing in traditional paper technical data in equipment testing and failure analysis, the article puts forward the equipment test failure aided diagnosis of IETM design method based on Web, make high complexity fault diagnosis work become easy, visualized flow process, thus...

Compared to other engineering designs, due to the complex dynamics of geological conditions and the uncertainty of geotechnical engineering conditions as well as the concealment of this project, geotechnical engineering design needs to change constantly in the process of construction, on the basis of...

This paper investigates and analyzes the information disclosure module of county-level government portal in 13 districts and counties under the jurisdiction of Xi'an with literature research method and case analysis method. It is found that there are problems such as incomplete information disclosure...

The street is the most intuitive space for people to perceive the city, and street odor is also an important way to measure the quality of street space. Nevertheless, due to insufficient means of quantitative odor analysis, the urban odor landscape has not yet attracted sufficient attention from the...

The objective of this project, the system is improved through the application of machine learning as well as natural language processing to diagnose the common diseases predominantly affecting females that include Urinary Tract Infection (UTI) as well as Polycystic Ovary Syndrome (PCOS). The constructiveness...

Rainfall distribution serves a variety of purposes in meteorology, hydrology, and environmental science, flood forecasting, agriculture, meteorological analysis, and more around. The gathered dataset is collected from meteorological observations which helps to depict the patterns of rainfall for the...

Currently, there are many independent and closed "chimney" application systems in enterprises, In view of this situation, this paper designs and implements an private cloud intelligence office system based on IOT,which focused on the Integration of all servers, storage,network resources, and take cloud...

Query expansion technology is usually used to make abundant query to search information. Traditional query expansion based on WordNet, user search log or user feedback couldn’t get the user’s real intent, sometimes the latter could expand overly. In this paper, we propose a novel query expansion method...

In order to obtain better static and dynamic performance of the nonlinear system, in this paper the compound control system which the inner loop adopted direct inverse model control and the outer loop adopted model reference adaptive control was designed. Aiming at the difficulty to building inverse...

Hydraulic fracturing is an important EOR technology of low permeability reservoirs which occupy a considerable proportion in China’s oil reserves. If hydraulic fracturing fails, re-fracturing will be used in most oil-water wells. However, there are often a large number of inclusions in low-permeability...

Adaptive possibilities biosystems appear only in real life conditions, namely in particular natural or artificial environment of an organism habitat. According to the authors, for the state of biosystems integrated assessment the promising approach is based on entropy methods for modeling complex systems.

The design is to change the ordinary one-directional push-type pump into bi-directional pull-type pump. At the same time, it also integrates bi-directional pull-type pump and bike handle faucet, which integrates the pump and bike together successfully. Therefore, this design fundamentally improves the...

The paper will analyze the necessity of research on Model and Simulation of ocean wave power generation platform of hydraulic lifting system. Aiming to the working condition and mechanism of self-elevating power-generating platform ,the paper will provide overall designing scheme and analyze the working...

Focused ion beam systems complement conventional processing methods and can be used to prototype and modify a diverse range of nano-devices and sensors. Controllable incident focused ion beam is difficult to obtain due to Coulomb interactions among ions. In this paper, Coulomb interactions of a practical...

Topology control in a sensor network balances load on sensor nodes and extends network lifetime. Clustering sensor nodes is an effective topology control approach. In this paper, an improved distributed clustering approach for wireless sensor network is proposed. Our proposed protocol, IMRP(Improved...

In this paper, we propose a hybrid synchronous algorithm based on the combination of distributed and centralized algorithm. First of all, we put forward the concept of local cluster and generalized local cluster. The cluster is a collection of synchronous UE meeting certain conditions and has a center...

In this study, the lauroyl sucrose ester was synthesized by microwave-assisted lipase-catalyzed reaction under non-aqueous system. The influence of the microwave power, the amount of molecular sieve added and the reaction time on the conversion of sugar esters were explored. The results showed that compared...

This paper presents a method of query expansion based on lexical time distribution for micro-blog search. Similarity of distribution is used to measure the correlation between the extended words and the query words. A query model based on the time distribution of the words is established. The query expansion...

The secure payment on network is the core of E-business, because the security of the network payment has a direct effect on E-business. So, how to guarantee the data-transmission security on the network has become one of the most important factors in popularizing E-business. The payment mode of the improved...

In order to improve the life cycle of wireless sensor networks, An opportunistic routing protocol (GEBOR) based on geographic location and energy balance is proposed.The routing protocol comprehensively considers the transmission radius, link quality and residual energy threshold, and transmission energy...

With the continuous development of network technology, higher vocational English teaching mode has opened the path of innovative exploration. This paper focuses on the higher vocational English teaching and the advantages of Higher vocational English teaching mode under the network platform based on...

This paper focuses on experimental teaching in high-frequency electronic circuits, conducting research using small-signal amplifiers and capacitive-feedback oscillators as case studies. For the small-signal amplifier, a circuit is constructed using an experimental box, and tools such as a sweep frequency...

This paper presents a new filled function method for global minimization problem with smooth or non-smooth box constraints. The constructed filled function contains only one parameter, which can be adjusted readily during the iterative process. The theories and the computational properties of the filled...

Following the widespread application of cloud computing, many users outsource local data to cloud server. Users encrypt their data before outsourcing makes the traditional query method failure. Aiming at the problem of slow query speed and low accuracy of ciphertext query, an improved ciphertext query...

Currently pedestrian counts mainly faces two major problems in the crowd scene: expression of pedestrian's features and perspective shade. To address this problem, we propose a deep convolutional neural network (CNN) and Ensemble Inference Network (EIN) for crowd pedestrian recognizing and counting....

The purpose of the paper is to explore a perception gap model based on the dual perspectives of customer value. This is achieved through discussing on the five perception gaps of customer value between the company and its customers. Collectively, these gaps include: attribute gap, importance gap, performance...

This article features a random survey the author conducted among graduate students in 12 higher education institutions in Guangdong Province to evaluate the status of their exercise and mental health. The survey aims at examining the relationship between graduate students' exercise and their mental health....

The traditional constant modulus algorithm (CMA) can’t ensure robust convergence performance under impulsive noise environment, hereby a blind equalization by CMA with nonlinear transformation carrying on the received signal was proposed. The impulsive noise can be suppressed effectively by sine transform,...

Commercial off-the-shelf (COTS) software and hardware components are widely used in the design of train control system. In order to satisfy the application requirements of the safety computer in train control system, it is necessary to analyze its safety properties. In this paper, a method of safety...

This paper presents a risk estimate for commercial cluster development using Random Variation of demand, to estimate the risk loss of demand fluctuation for the commercial cluster, and adopting Logit Model and Maximum Likelihood Method to estimate demand fluctuation because of business model innovation....

Urban navigation applications of the global positioning system (GPS) suffer from the problem of multipath propagation caused by complex signal reflections in local environments. The resulting errors of ranging can finally lead to an unacceptable degradation of positioning accuracy for many GPS applications....

This paper investigates hedge investment by using T-bond futures in terms of static and dynamic frameworks to control the interest risk of different types of bondsportfolios. The empirical test shows that the hedge performanceare affected by the correlation between the prices of bonds and treasury futures,...

Changing the previous mold design methods based on experience, intuition or repeated testing molds, the design method with combination of the computer-aided design software UG, the data transfer software CADDoctor and the finite element analysis software MoldFlow is adopted for design and optimization...

In this paper, we compare the performance of non-imaging receiver (NImR), imaging receiver (ImR) and imaging angle diversity receiver (ImADR) in an indoor multiple-input multiple-output visible light communication (MIMO-VLC) system, in terms of area spectral efficiency (ASE). Analytical ASE expressions...

With the continuous development of Internet technology in China, the teaching level of higher vocational colleges in China is also constantly improving, and gradually becoming one of the very important topics in higher vocational colleges. China has gradually entered the information age, and more and...

The growing level of sophistication of artificial intelligence has made it possible to create highly realistic synthetic media, also known as deepfakes, which are posing significant limitations to the admissibility and reliability of digital evidences. Deepfakes involving audio, video, and visual content...

News is an important way to understand the information of contemporary society, and it is necessary to quickly categorize and identify a large amount of news information. In this report, a classification task was performed on Chinese news headlines based on the Bidirectional Encoder Representations from...

Patent design around is crucial to the enterprise's product design and technology innovation. The patent-around innovative design method based on TRIZ is proposed, using function analysis to analyze the existed patent, providing the process and method for the enterprise's in-depth analysis of patent...

Degradation of the natural environment is presently attracting significant attention among the Information Systems (IS) academic community. Consequently, the subject of sustainability continues to gain a foothold in the mainstream of IS research. However, as the body of research grows, the exact meaning...

How to evaluate innovation ability objectively and scientifically of high level innovative technical personnel is of great significance for an area to draw up scientific and technical policy and originality innovation strategy. By literature review method, analytic hierarchy process and expert scoring...

With the development of the mobile terminal manufacturing level, and mobile terminal speed faster and faster in past years, the price is more and lower; Finally, The Internet by mobile phone and other devices connected to each one of us. Network evaluation system based on PC, in the past, needs for mobile...

With the development of market economy of China, the workforce of employee has been required more strictly. For this reason, the primary mission of university should be combined with the actual situation of social development, talent market and employing unit to improve the professional ability of students....

Teaching supervision are endued three major functions of supervising teacher and student and administration in the local colleges and universities, including school's philosophy and positioning, personnel training programs, curriculum, teaching content, teaching level, teaching management, student learning...

The instrument uses a single chip relative humidity and temperature multi sensor SHT11 module comprising a calibrated digital output, which can measure temperature and relative humidity of environment at any moment, timely and real time. It displays temperature-humidity value, dew point value, date and...

Along with the continuous progress of science and technology, industrial automation has been more and more widely applied in various industries. As it raises labor productivity and breaks the confinement to human labor, it has played a significant role in China’s economic construction. This paper mainly...

Aiming at the problem that the existing cigarette machine detection technology has low precision in detecting the soft and hard points of cigarettes in the cigarette production process, an intelligent online soft and hard point detection method of the cigarette machine is designed. The method has the...

In order to propose an effective emotion recognition system, this paper proposed a novel Haar wavelet transform based emotion recognition system. This system is based on facial expression images obtained by digital camera. Our method used principal component analysis as the dimensionality reduction approach....

One common musculoskeletal problem is tight hamstrings, which can reduce flexibility, raise the risk of injury, and impair performance in general. College students are particularly prone to hamstring tightness, especially if they lead sedentary lifestyles or participate in sports. Static stretching has...

With the rapid development of digital technology, the cross-fertilisation of art and technology has become an important trend in contemporary academic research and practice. Interdisciplinary research methods can not only expand the boundaries of artistic creation, but also provide a new source of inspiration...