Advances in Computer Science Research

In this paper, we use the reverse modeling softwares to complete the reconstruction of the aortic valve based on the modeling principle of the human heart valve. By using the cardiac CT scanning to get the Dicom format data and then using the three-dimension software Mimics to do the segmentation, edit,...

CMMI (Capability Maturity Model Integration) is the key architecture of software engineering management which divides the whole software development life cycle into twenty-two process areas. DAR (Decision Analysis and Resolution) process area is one of the key process areas, it is executed when we meet...

In multicast routing messages are sent from the source node to all destination nodes. In order to meet QoS requirements an optimizing algorithm is needed. We propose an optimization algorithm based on the KPP and QDMR algorithm to do so. This algorithm uses optimized link selection function to modify...

With the development of computer and communication technology, the Internet of things (IoT) is developing vigorously among people to realize interconnection, to link objects or people with any other objects. This paper is based on the related research results of a series of concepts such as the semantic...

In multi-hop wireless ad hoc networks, communications with directional antennas can effectively improve the transmission range of the node. Most of existing directional routing protocols adopt the four-way handshaking mechanism which transmits and receives with directional and omnidirectional antennas...

In order to effectively predict high-risk students, this paper proposed a weighted voting combination prediction model based on Hadoop for high-risk students. Firstly, the design idea of the model was given, and the data of students were stored and processed by Hadoop platform. Secondly, according to...

Due to sudden natural/man-made incidents, there are more and more health problems in the world. Another concrete example is COVID19 where hospitals are operating beyond capacity. Even doctors are not available on time. The other category includes people who are suffering from long time or urgent decease...

At present, the products design and development of enterprises are facing more complex internal and external environment, the specific performances are the technological and economic changes, the endless innovation of competitor, the constant changing of consumer's demands. To the enterprise management,...

The evolution of agricultural engineering (AE) education in China is described in this paper. In the help of the American Committee on Agricultural Engineering, the AE major based on liberal education model was established in 1947. Five years later, the majors such as agricultural mechanization, field...

On the basis of years of teaching practice, we proposed personalized education approaches for chemical and pharmaceutical engineering majors, by making fully of all the resources in and out of campus, thickening foundation, widening caliber and emphasizing practice, with the purpose of improving the...

Based on Online Charging System in one communication operator, the paper analyses some reasons for low online rate of General Packet Radio Service (GPRS) in this system. It is out of balance load and has low resource utilization. Some optimization schemes are proposed in this paper. It optimizes the...

With the continuous development of lighting industry and the lighting console built-in lamp library file update, so we need have an analysis of the software of different lighting manufacturers, different lamps and lanterns of the library file data. In this paper, there is a detailed analysis of the different...

In the turbine rotor bearing system, the steady control is necessary, accurate mathematical model is established to ensure the stable operation of the nonlinear control system. The traditional control method uses fuzzy PID control algorithm, because of the nonlinear coupling characteristics of control...

In typical data mining applications, labeling the large amounts of data is difficult, expensive, and time consuming, if annotated manually.To avoid manual labeling, semi-supervised learninguses unlabeled data along withthe labeled data in the training process. Transductive support vector machine (TSVM)...

In this paper, a design method of data centralized equipment for smart pipe is presented. Data Concentrator is responsible for collecting data of different interface sensors, and uploading those data to the central server via the Internet. Data concentrator sets up a LAN with terminal devices and sensing...

With the development of the times, the traditional mode of education and management of college students is no longer meet the needs of contemporary college students. How to strengthen the ideological and political education of college students is a new task faced by the University educators. In this...

The Industry Cloud Service is a cloud application and service platform which is built to promote the informationization of SMEs. It provides services of purchase or lease information products and integrates mechatronic products design of CAD, CAE, CAM, CAPP, PDM, and PLM with production process management....

The ability to detect objects precisely with the same orientations from random orientations is one of the most remarkable functions of perception and cognition. Many psychophysical evidences imply human's behavior follows near-optimal Bayesian inference in tasks of decision making. We explore the model...

By introducing the norm ||x|| and two parameters a, b , a multiple Hilbert’s type integral inequality with a non-homogeneous kernel and a best possible constant factor is given.

With the rapid development of the Internet and its wide application, the management of enterprises is gradually shifting from a closed environment to a dynamic and open one. So, how to improve the flexibility of ERP software under the Internet computing environment has become a key issue for ERP vendors...

Along with the big data and intelligent sensing capabilities were added to the traditional industries, “Internet +” is not only the transformation of traditional industries, but also is the transformation of inherent Internet. Education is a pioneer in the development of science and technology, the great...

A dual-band reconfigurable low noise amplifier(LNA) for T/R module is designed based on SMIC 65nm CMOS process In this paper, the low noise amplifier can operate in L/S band optionally. The simulation results shown it has a larger than 20dB gain and smaller than 2.5dB noise figure for both L and S bands,...

The study suggests formalized algorithm that allows to make an informed choice of instruments for financing M&A transactions. This algorithm includes following several stages: identification of the limiting factor; determination of the anticipated structure of settlements for the M{\&}A transaction;...

In the safety management system, risk management is the core and it is the key to complete risk management for scientific risk evaluation. However, in the previous risk evaluation, the safety sheet inspection technique is often used. Also, workers’ experience is referred to roughly estimate the risk...

The paper starts with the status quo of export trade of agricultural products in Jilin Province, and analyzes the main problems in the export of agricultural products in Jilin Province. Aiming at the major problems existing in the export of agricultural products in Jilin Province, corresponding countermeasures...

It is of particular importance to use the limited spectrum resources efficiently since they are non-renewable. The spectrum efficiency can be doubled theoretically with the Co-time Co-frequency Full Duplex (CCFD) technology. Existing research results show that CCFD is achievable under the condition of...

In wireless sensor networks, each wireless sensor node records events occurred in its observation area with their observation time. Each wireless sensor node possesses its own local clock whose drift and offset are generally different from the others. By using observation records of the commonly observed...

Let G = (V, E) and H = (V′, E′) be a connected graph. H-magic labeling of graph G is a bijective function f: V(G) ∪ E(G) → {1,2, …, |V(G)| + |E(G)|} such that for every subgraph H′of G isomorphic to H, ∑v ∈ V(H′) f(v) + ∑e ∈ E(H′) f(e) = k. Moreover, it is H-supermagic labeling if f(V) = {1,2 ,…, |V|}....

The purpose of this research paper is to explore the new mode of expression of traditional art works in digital technology. Taking Huizhou printmaking as an example, it optimizes and upgrades its communication value in digital media. We obtain information through user research, analyze the data by AHP...

IoT device manufacturers use backdoors, which are covert control techniques, to make their products supportable. But the front window is really for the hackers. Nevertheless, a firmware is installed to lock the back door once the back door has been located. For hackers, these backdoors serve as either...

In the cognitive radio network, when the primary user doesn't use its licensed spectrum, the secondary user can access the spectrum hole opportunistically to share the spectrum. However, if the secondary user's behaviors cause collisions with the primary user in spectrum band, which may lead to a decline...

Under the background of service economy, with the integrative development of the manufacturing and services, the service-oriented manufacturing emerges as the times require. The high-end equipment industry is an important measuring standard for the level of manufacturing industry development, whose transition...

During past several thousand of years, the term 'child abuse' was not popular in China. Most parents was not familiar with the term child abuse and there is no legal definition on it. They did not even agree that child abuse exists in China. Beating or scolding one's child is only known as a kind of...

Objectives Chinese milk vetch (Astragalus sinicus) is a major green manure planting in southern paddy fields. This paper designs an experimental to discuss the effects of incorporation of milk vetch on paddy soil microbes, including theeffects on microbial population, the effects on microbial biomass...

The problem of propositional satisfiability (SAT) has found a number of applications in both theoretical and practical computer science. However, in many applications, knowing a formulae's satisfiability alone is not enough to solve problems. Often, some other characteristics of formulae need to be known....

Curculigoside A is a major bioactive phenolic glycoside of the medicinal plant of Curculigo orchioides. The present study was intended to obtain detail information of the pharmacokinetic properties including oral absorption, distribution, metabolism and toxicity of curculigoside A and its derivatives...

License plate detection is a key part in vehicle license plate recognition system. In this paper, we present a hybrid method for license plate detection from natural scene images for the all-day traffic surveillance environment. The proposed method includes two stages: rough detection and accurate detection....

From the last ten years, control and analysis of systems with delays is subject to lots of studies and contributions. This paper presents about the design of cutting system for time-delay. The design of the control system is constructed using the easy algebraic algorithm of matrices whose elements are...

The dexterous robotic hand is required to investigate the characteristic of nger movements with perception ability of various sensors. A good angle displacement sensor can well describe finger motion in robotic hand manipulation tasks. In this paper, a flexible and bending sensor which was suitable to...

Jingdong commodity sentiment analysis aims to find out the e-commerce users' attitudes towards the products and the emotional orientation of the evaluation, helping other users to make correct decisions and effectively shape the quality portrait of the products. This paper proposes a subject-oriented...

With the rapid development of mobile devices and the Internet, Android, as an operating system for smart mobile devices, has been applied to many regions, and mobile Internet device programming (Android program development) is also gradually developing. It is aimed at the teaching features of current...

In this research, Euler method is applied to discretize a harvested predator prey model with ratio-dependent response function and prey refuge. The existence and stability of fixed points has been analyzed. Stability of each fixed point shown that the fixed points are stable for small size of time step....

Investment plays an important role in promoting the development of the country and enterprises. Enterprise size has an impact on enterprise investment, and its impact is different for enterprises in different life cycle stages. In order to investigate the impact of enterprise size on enterprise investment...

The purpose of writing this article is to elaborate on the application of media and tech nology in literacy enrichment for students as learners. Adapted and specially developed media and technology can make a huge contribution to the effective teaching of all students and help them reach their highest...

A bachelor’s degree in Indonesia typically takes around four years to complete. This research aims to examine the data patterns related to the graduation status of a bachelor’s degree from Universitas Negeri Jakarta (UNJ). The data pattern is used to determine if an undergraduate student from UNJ will...

Since the founding of the People's Republic of China, the "management activity theory" has been officially recognized in the discussion of the nature of accounting; however, the research on "information system theory" has never stopped. In the era of digital economy, accounting...

This paper introduces a design of electric storage type energy recovery system through vehicle braking to fulfill energy recovery. Besides, theoretical calculation is conducted on the saving rate. Experimental results show that this system can be used in vehicle energy recovery after braking, and the...

Compared with conventional display technology, holographic projection technology has outstanding advantages. The phase retrieval algorithm is a key image processing algorithms in holographic projection technology. The constringency speed and precision of these algorithms need to be raised. The performance...

The new generation of GPS signal is added the M code which has a separated spectrum and wider bandwidth, so we use the noise FM jamming to interfere M code. Combined with the receiver frequency domain filtering anti-jamming technology, the effect of the frequency domain filtering of noise FM jamming...

To improve the accuracy of vision measuring system, high-precision camera calibration and distortion compensation are essential. A new CMM based method of camera calibration and distortion compensation, and a new index for evaluating the residual distortion after compensation are presented in this paper....

Many studies using computational fluid dynamics (CFD) analysis have been performed on the concentration distribution of indoor contaminants generated in building materials. This study was an attempt to quantitatively evaluate the effect of the contaminant emission source on the concentration and breathing...

Nowadays 12kv medium voltage switchgear equipment is widely used in city power supply and distribution system. Combined with the characteristics of KYN28 switchgear, making theoretical analysis with Solidworks software and ANSYS based on the finite element model,the body strength of switchgear was improved...

Based on the campus network, a virtual simulation instrument analysis experiment system was designed including a procedure of four steps: content selection, script writing, experiment edition, test and evaluation. And its structure was divided into three layers. The effects of the system application...

Modern Chinese English translation catalyzed by Robert Morrison early Anglo American Protestant missionaries, early Protestant Missionaries Westerners to Chinese penetration and highlight the advantages of Western Christian culture of the main media. Due to the English translation involves both in English...

We apply orthogonal projection to the profit allocation of a technical alliance based on traditional profit allocation methods, such as Shapely value, minimum core, simplified minimum costs remaining savings, and Nash negotiation methods. This distribution method is based on the weight coefficient of...

A waveform circuit of SPWM based on SOPC is designed. In Quartus II 9. 0 environment, Using Verilog HDL and module design method the design is completed. The selected FPGA model is EP2C35F672C6 in Cyclone series. According to the principle of sinusoidal PWM by irregular sampling, using the real-time...

An optimal secure transmission scheme of space data is designed by optimizing the secure distribution of the space observation data in view of the change of source-channel condition. Various source-channel models are built based on the optimization objective of data quality, and then the data protection...

Gram-Schmidt based spectral pansharpening is a well-known scheme for fusion of panchromatic (PAN) and multispectral (MS) images. However, it relies more on the relative spectral responses between the PAN and MS sensors, which may easily suffer from spectral distortions. To deal with this problem, we...

In arid and semi-arid regions in China, a large amount of treated wastewater is discharged into rivers that supply water for agriculture. Treated wastewater contains not only valuable nutrients, but also toxic contaminants that might affect soil quality. This study investigated how long-term irrigation...

At present, most collaborative filtering algorithms use similarity as a criterion. In order to alleviate problems of cold start and sparsity in recommender system, a Collaborative Filtering Algorithm Combined with the Singular Value Decomposition (SVD) and Trust Factors (CFSVD-TF) is presented. Further...

The fast ignition and stable combustion of fuel is a very important problem in designing gas turbine combustor. In this paper, the detailed fuel reaction process and primary influence factors for ignition delay time were studied by the chemical kinetic mechanisms. The chemical kinetic mechanisms of RP-3...

China's economy has achieved rapid development since the reform and opening up, with an average annual growth rate around 10%.At the same time, energy consumption is also rising. This paper investigates the relationship between energy consumption and foreign direct investment(FDI) by adopting a panel...

Flipped classroom is the informationization product in educational environment of information age. After it absorbs the essence of the traditional education, it will make the education thrive and abound. flipped classroom, comes from abroad, is in line with the development of our country's education....

Through the case analysis of the big data financing service platform “Digital Chongqing·Yukuairong”, this paper addresses the main bottlenecks of China’s current inclusive finance, namely the high information collection cost and the information asymmetry caused by the non-circulation of information....

This article introduces 5 optimization strategies to enhance energy efficiency and reduce carbon emissions in low-carbon manufacturing. Key focus areas include algorithmic optimization models and technological frameworks. The Grey Wolf Algorithm (GWO) and Chromosome Hierarchical Coding Genetic Algorithm...

This paper studies Malaysian banking fixed deposit (FD) rates from 1997 to 2018 using time series and regression analysis. The FD rates is based on rates set by Bank Negara Malaysia. Multiple Linear Regression (MLR) is used to study the linear relationship between FD Rates and certain economic and financial...

In the process of economic globalization, the digital economy is the only way for China to transform from big to strong. The high-quality development of the digital economy has become an important means of changing the economic and social development model. Under the background of digital economy, this...

The objective of the present study was to assess and investigate the exposure level to risk factors of Work-related musculoskeletal disorders (WRMSDs) in the production line of frozen food products. The workers were evaluated using the Quick Exposure Check (QEC) observational tool. The exposure level...

With the rapid development of science and technology, computer network technology has spread to all areas of production and life. However, because of the network has connectivity and openness characteristics, that resulting in network security problems are more prominent, network data theft, hacker attack,...

To avoid resonance and make the 300t fishery administration vessel meet the requirements of low vibration and noise, vibration characteristics must be predicted during the process of design. In order to more accurately predict the vibration characteristics, it is necessary to calculate the added water...

In order to meet the requirement of experimental and electronic design contest, in fulling exploring all kind of MSP430 of TI company, design MSP430F4619 experimental board. It include MSP430 minimal system, power unit, key unit, segment LCD unit, 16 SMD led unit, temperature sensor unit, photosensitive...

There is a one-to-one relationship between nonnegative matrix pairs and two-colored digraph. With the knowledge of graph theory, by studying the associated directed digraph of a class of special nonnegative matrix pairs, that is a class of two-colored digraphs whose uncolored digraph have vertices and...

This paper firstly introduces Ethernet Audio Video Bridging (AVB) standard developed by the IEEE 802.1 Audio Video Bridging Task Group, then focuses on AVTP standard which is aimed to transport the audio and video data, next introduces the new multi-channel network audio transmission protocol that we...

This paper presents a study on how nature provides intelligent solutions to complex real-world problems. In this regard we study the intelligent behavior of swarming insect societies with the focus on ant colonies; examining how these almost blind species are capable of providing optimal solutions and...

In the one-sample location problem, it is tested whether the center of the whole is equal to a known value, otherwise whether there are significant differences between two samples is in consideration on pratical situation. In practical problems, there are many simulations where two general parameters...

The existing model which combines AdaBoost and SVM has poor performance when dealing with the imbalance dataset in multi-label classification. To deal with this problem, we proposed a new model SAB-WSVM. In our model, we modified AdaBoost original sampling methods in order to make it more balanced and...

With the rapid development of national power grid, large-scale electric power communication network is evolving into OTN network in order to back up the power grid management, operation and maintenance of a large number of data communication. Long-distance optical communication is the characteristic...

The thickness of zinc-coating thickness was a parameter of significant importance on steel transmission towers. When the zinc-coating’s thickness does not meet the required standard, the tower’s steel members were easily to be corroded. However most current detection methods focusing only on the total...

Data-publishing generally need to be treated by anonymity to protect its privacy information from disclosure. Existing anonymity methods have little distincation between different types of Quasi-identifiers in investigating generalization.Aimed to privacy preservation for pulblishing data from table,...

With the rapid development of economy, energy demand is increasing in Hebei. Therefore, prediction of energy consumption and structure in Hebei province has importance of actual meaning significance. In this paper, total energy, coal, oil and natural gas consumption data are selected in Hebei province...

The auto-correlation and cross-correlation of a nonlinear stochastic energy harvesting system are studied by stochastic simulation method, which show periodic oscillation and gradual attenuation, implying that the nonlinear stochastic energy harvesting system possesses complex dynamical behaviors. Among...

For the problem which the subjectivity of confirming weight is too strong and depending on accurate data in VIKOR, we propose a method of ballistic missile threat assessment based on improved VIKOR. In our method, VIKOR is improved at two aspects. On the one hand, the algorithm of confirming weith is...

A graph labelling with a condition at distance two was first introduced by Griggs and Robert. This labelling is also known as L(2,1)-labelling. Let G = (V, E) be a non-multiple graph, undirected, and connected. An L(2,1)-labelling on a graph is defined as a mapping from the vertex set V(G) to the set...

Information system development is required by business development. Prior to a system development, the system requirements are defined, including the roles and involvement of users or actors and the dependencies between actors in running a business. The manufacture information system is a system used...

Recently, global economy has recovered from the COVID impact. Stock index is reasonable indicator of economy. The prediction of stock index contributes to both forecasting trend of global economy and portfolio construction. According to the characters of price factors, this paper proposes a hybrid model,...

With the advent of the digital age, the development and application of big data is profoundly changing the landscape and operating modes of the financial field. As a new type of information resource, big data characterized by its massive, high-speed, diverse and low value density solves the problem of...

In recent years, credit card fraud has become increasingly rampant, posing a major threat to financial security. To effectively detect and prevent credit card fraud, this study combines three machine learning algorithms, namely Random Forest (RS), Support Vector Machine (SVM), and Logistic Regression...

Effective regulation of investment expenditures is pivotal for maintaining operational efficiency in power grid systems. Nevertheless, numerous regional grid enterprises demonstrate deficiencies in contemporary organizational management frameworks, coupled with underdeveloped methodologies for systematically...

With the development of PMU(phasor measurement units) further study of the relationship between power system stability and the state variables provides the reference for the monitoring the stability of the system. This paper presents a consistent of phase angle difference change at nodes and the change...

It is very important to evaluate the automotive customer service for people, but do not have a unified standard to it. Through the research of BP network, we established automotive service satisfaction evaluation model based on BP neural network. Then, evaluated the performance of service satisfaction...

Nowadays customers demand the query more and more flexible, they hope it is not restricted to the fixed query conditions, but through user’s definition to configure query conditions for completing query operation. In a word, the query operation must be flexible enough. Base on this demand, we proposed...

How to do well in the teaching of digital image processing for graduate students A teaching philosophy were shown on digital image processing that is the macroscopic grasp and microscopic understanding, knowledge structure system and practical problems research in the applications. From the basic knowledge...

This paper gives a general overview of the ring heating furnace and introduces the process, characteristics and control requirements of the automatic control system of the heating furnace. On the basis of this, the control of furnace temperature is controlled by cascade double cross limit control. Siemens...

E-mode AlGaN/GaN HEMTs are generally promising candidate for switching power transistors due to their high breakdown voltage, high current density and low on-resistance. The threshold voltage (Vth) of normally-off mode AlGaN/GaN HEMTs with a self-aligned p-type GaN gate can be successfully improved by...

The objective of this research is to study the ultrasonic attenuation effect on metallurgical properties of specimens. This study uses the various metallurgical grain sizes, using the ANSI1025 grade low carbon steel and ANSI316 grade stainless steel as base metals and shielded metal arc welding with...

Using the multi-attribute fuzzy decision-making method, the mathematical model of the minimum weighted average deviation method to the fleet to the sea combat missiles combat the effect, the fleet command coordination ability, the missile lead attack ability and the elements such as combat damage index...

Food emergencies happened frequently,Which has led people to strong concern for the quality of food, while the quality of food supply chain has a decisive impact on the final products. Therefore, security risk monitoring on food supply chain must be more stringent. Strengthening the supervision of cheating...

Multisim especially Multisim14's characteristics are summarized in the paper. And Holding Tank control system is an example. Simulating PLC control system in the Multisim is an efficiency method, not only it can save lab cost, but also it afford an convenient approach for learners and designer.

JavaScript is widely used to build web applications. The increasing scale and complexity of JavaScript programs bring much difficulty to the subsequent development and maintenance because of the same functions scatter in the programs. We can use AOP to reduce the difficulty but there are few AOP frameworks...

This paper presents rotordynamic modeling and performance analyses of a flywheel energy storage system rotor that utilizes a hybrid magnetic bearing having an energy storage capacity of 220 W h at its operating speed of 20,000rpm. A rotor model designed in solid works 13 and imported into ansys 14.5...