Advances in Computer Science Research

Based on the model of multibeam synthetic aperture sonar (MBSAS) and the principle of multiple subarray interferometic, a high resolution multibeam synthetic aperture interferometric imaging algorithm was proposed. Firstly, the algorithm got the target rough position via the Back-Projection (BP) algorithm...

Nowadays, quite a few accidents occur around us. During an emergency situation in public, decisions must be taken in a timely manner. But seldom people have the experiences to deal with such hard situations. So, there is a great need of a simulate system based on network for emergency exercise. This...

This paper uses the soft switch technology, power devices under the condition of zero voltage or zero current conduction or shut off, it can effectively reduce the switching loss,and theoretically zero switching loss.Soft switch technology of switch power supply theory analysis, this paper analyzes the...

Visual tracking has been an active research topic which has a wide application in many computer vision tasks such as intelligence surveillance, vehicle navigation, human computer interaction, and so on. Introducing the background into the template set as the negative sample, the representative ones combine...

The attempts to perform credit system reform are efficient ways for general colleges and universities to make breakthroughs and achieve better development. Credit system refers to the teaching management system under which the students voluntarily choose the courses they want to enroll and evaluations...

Copper content is higher than other metal in the waste printed circuit boards (PCBs), therefore, recycling of copper from PCBs is an important subject not only from the treatment of E-waste but also from the recovery of valuable materials. This article reviews the latest papers on copper recycle processes...

A new method based on Volterra filter is introduced to extract weak signal in strong chaotic noise. A nonlinear prediction model is established by combining phase space reconstruction and adaptive Volterra filter. Self-noise of ship is used for training the prediction model. The model has a good prediction...

The risk attitude of the knowledge sender influences risks in inter-firm knowledge transfer. By introducing the risk attitude of the knowledge sender, a new risk evaluation method integrating Analytic Network Process and BP neural network was proposed. An example was applied to demonstrate this method...

This article first introduces the basic theory of fuzzy control and design of the general steps of the fuzzy controller, the basic principle of fuzzy PID is presented. Then use particle swarm algorithm to optimize fuzzy rules. In the end, the optimized fuzzy PID triaxial stability for unmanned aerial...

The traditional electronic equipment cooling system uses electric to drive water pump, it will consume energy. The motor operating power is constant, resulting in a waste of power. After cutting off the power supply, water pumps stop working so that the heat inside the appliance can’t be cleared. In...

This paper studies the fuzzy PID controller design algorithm, and it has set up a hardware platform for the temperature control system thermal analyzer, respectively with MATLAB tools to conventional PID and fuzzy PID control method has carried on the simulation analysis, and in the actual building experiments...

This paper aims at the characteristic of the teaching of web page design and production course in higher education and analyzes this course on the platform of domestic MOOC. Problems and solutions to MOOC course teaching practice have been arisen. We have designed curriculum steps to deeply discuss experience...

In order to obtain the main influence factors of bearing vibration, based on correlation analysis of fuzzy set theory, channel radius of curvature, channel shape error and channel surface roughness are selected as processing quality parameters to research the influence degree of different processing...

analysising the way of food borne disease infected, the mechanism of various factors on the human body disease, disease type and TCM prevention and treatment of a variety of food borne disease to explore the effect of TCM on the prevention and treatment of food borne disease and prospects. Methods: collecting...

The concept that strict binary relation on free monoids is introduced, some characterizations for strict binary relations is given, the ordering properties of the set of all strict binary relations as well as some subsets of it are exhibited. Moreover, it is proved that the independent languages of co-compatible...

Objective: Take some control measures to reduce and inhibit the dynamic response of the structure during the earthquake, strong winds and other dynamic loads, to enhance the dynamic stability of the structure, to improve the structural capacity to resist external vibration, so that it can meet the requirements...

It is inevitable that all the softwares, whatever it is new or used for decades, are suffering from vulnerabilities. However, the vulnerabilities is being hailed as the biggest security issue in the security industry. The discovery of Shellshock bug makes a new understanding for the basic software. In...

Put forward a compound control strategy, which is designed with extended state observer and sliding mode variable structure control. The angular rate control of unmanned helicopter is validated through a Hardware-in-the-loop simulation, the simulation results show that the proposed control strategy can...

based on the chaotic binary sequence and the baker mapping, this article puts forward an image encryption algorithm combined image scrambling and diffusion. Firstly, we use an improved baker mapping algorithm to scramble the primary image, which expands the range of the mapping to a non-square image....

In order to solve the position control problem of AC servo system, a new control strategy for the position based on sliding mode control and predictive control is proposed. The sliding mode control law is deduced, and according to the dynamic matrix theory, predictive model, controller and corrector...

This paper mainly introduces the basis of principle of laser ultrasonic detection. Then the different laser parameters adjustment in pipeline detection, observe different waveform display. Finally the corresponding conclusions. In order to provide a basis for later testing.

As mobile communication technology developed, a new type of learning method-mobile learning -comes into being. With the continuous development of studying technology, upgrading of studying environment ,and the combination of miniaturization of resources and the advantages of video resources, micro-video...

With the development of computer talents in the increasingly fierce market competition, new industrial core competitiveness and modern service industry rising in recent years, high-tech modern agriculture base constantly emerging, therefore IT talents who have rich practical experience [1], occupation...

Objective:This paper discusses the application of fuzzy synthetical evaluating in engineering field especially in building quality of prestressed concrete frame. Methods: The author brings forward mathematic model to fuzzy synthetical evaluating for building quality of prestressed concrete frame which...

Motivated by the need for identifying and propagating stances along debate threads where this correspondence can be elusive, we present a stance propagation model built on the Heat Diffusion algorithm, and show that it can effectively spread stances over the nodes of a debate thread. Our authors are...

The present paper is aimed at introducing the author’s newly developed decision-making method, known as”intelligent decision-making method for The electric car filling in power station Planning and Management”. As we often see, it is a fundamental method to overcome the difficulties brought by great...

As a new protection, wide-area protection enables protective relaying, and automatic control based on electric power system network communications and comprehensive judgment of multi-point information, which plays an increasingly important role in the secure and stable operation of electric power system....

MOOC and Microteaching?just like "a digital tsunami"?are sweeping the entire education circle. Scholars have different opinions and each of them sticks to his or her argument. By comparing the Great Courses based on WeChat platform, MOOC, and micro teaching, the authors propose the construction principles...

In this paper, a new type of low frequency spherical vector hydrophone is designed. It can be directly installed on the underwater platform and sense the underwater acoustic particle velocity. The sensing element is a moving-coil geophone. The paper described the structure of the spherical vector hydrophone,...

A class of bound growing network models has been defined in this article. We determine some properties of the new models, such as scale-free, power law distribution, degree cumulative distributionn and clustring coefficient. Furthermore, we design two stochastic methods for the new models.

With recently increasing development in tourism, smart tourism, as a product of tourism and information technology development integration, has become the hotspot of tourism these years. Our higher institutions boost a galaxy of talents and technologies and take the key responsibility of cultivation...

With the Vocational Education and Adult Education Division 2017 work points meeting, following the 2016 Xi Jinping general secretary of vocational education important instructions, once again on the work of vocational education requirements, we can see that the prospects for the development of vocational...

Zhou Li records many folk activities and folk rules and brings forward three concepts of custom, traditional custom and etiquette custom. This paper firstly presents a systematic differentiation of etiquette, custom, etiquette custom, and traditional custom according to the content as well as its commentaries...

As an improved method of k-nearest neighbor classification, the local mean-based nonparametric classifier had the ability to resist the effects of noise and classify unbalanced data. When selecting the nearest k samples and calculating the distance between the test samples and the local mean-based vectors,...

Offshore wind power industry develop rapidly in recent years. Offshore wind has many advantages compared with onshore wind turbine. For example, it do not take up land and can make better use of the sea wind resources. However, the flexible components of wind turbines violent vibration will cause the...

Nanocrystalline CeO2 powders were synthesized using stearic acid and cerium nitrate by sol-gel and self-propagating combustion coupled method. Influence of various molar ratio of stearic acid and cerium nitrate on the products grain and colour were discussed. Powder appearance, crystal phase, specific...

To study the health related physical fitness of Chinese Li nationality students of 7-18 years old, the work began with literature, survey, measurement and statistics, at last by independent samples T-test to compare the health related physical fitness of Chinese Li nationality students, there were three...

Underwater complex sound sources have many types. The radiated power of these sound sources was obtained by measuring pressure in the ocean, but the measurement based on sound pressure in the ocean has some uncertainty. The sound pressure for one point or several points is not enough to characterize...

"Task driven" teaching (Task -based Learning) is a kind of wide attention in recent years by the method of teaching. Task drive, refers to the students to study in close contact, life and social practical meaningful task context, by completing the task to learn the knowledge, skills, forming ability....

The segmentation of ribs is one of the key problems for computer-aided diagnosis. This paper presented a novel scheme for rib segmentation in chest radiographs. The Gaussian filter was used repeatedly to remove uneven background of chest. Detail images could be obtained by use of the multi-scale wavelet...

A impulse heavy current grounding test system is designed to research impulse characteristics of grounding devices.Structure and test ability of the system are introduced. The system is composed of four impulse current generators symmetrically installed around a return electrode with 20m radius. Each...

With the rise of digital camera, mobile phone camera, image sensor is becoming one of the most dazzling star around the semiconductor products, and in the image sensor, CCD sensor which is exclusive by Japanese and the CMOS sensor that be contention of a hundred schools of thought are trying to overcome...

It aims at enriching the gaming experience, setting the game free from the mouse and keyboard and converting the ordinary game into somatosensory game. Using motion capture technology, as the motion capture hardware monocular vision sensor, acquire the real-time movement of the moving object by the focus...

This paper explores "Digital Divide" problem of China's online education under the background of "Internet Plus". The existing online education platform, the number of online education users or learners and the online education development status are summarized and analyzed in this paper. Today's online...

Directed networks have been discussed in many literature. For the purpose of understanding and simulating real networks, we design some recursive construction algorithms to generate directed randomized models having some subgraphs like motifs in terms of graph theory.

The life cycle economy of the power distribution network planning scheme is becoming more and more important in power markets. The model of the distribution network planning and the configuration of switches based on the life cycle cost (LCC) of equipment was presented. The main objective is to minimize...

China's land area is vast and the regional differences are significant. The study on regional differences of spillover effect of foreign R&D in China is of great significance to the implementation of the regional policy formulation and innovation driven strategy. However, there are few studies on the...

The swift rise of immersive technologies has revolutionised workplace collaboration, setting the stage for augmented reality (AR) to drive team innovation, productivity and virtual co-working spaces. Previous research has examined the promise of AR but most research corroborating AR, or investigating...

The influence of contemporary social ideological trend on college students' ideological and political values and behaviors has an important effect on the healthy growth of college students. This paper analyzes the positive impact of social ideological trend on college students 'ideological and political...

A launch & recovery system of a seafloor drill is chosen as the study object, the nonlinear coupling mechanism among the movement of the ship, the umbilical cable, and the seafloor drill caused by irregular wave is investigated, the lumped mass method is used to establish the dynamic model of launch...

This paper researched on the water filled pipe with elastic wall which is widely used in daily life. Considering the existing of the P-wave and S-wave in the pipe wall, the thin shell model and liquid wall model are not applicable. In this paper, the sound field in the water filled pipe with elastic...

With the rapid development of e-commerce, more and more people choose to ship online. Meanwhile, the logistics industry is also booming and express delivery has already become an indispensable part of people’s life. Thus, how to reduce the work intensity of the courier and improve their work efficiency...

This paper took the phase-controlled rectifying circuit as the research object to introduce the working principle of the three-phase rectifier circuit. Based on the PSIM software to build the circuit, this paper analyzed the working condition of the rectifier circuit under various common fire angles...

According to the training target and present situation of applied undergraduate talents in higher education, this paper analyzes the general problems of the traditional teaching model of engineering in colleges and universities at present stage and puts forward the view that virtual experiment should...

Nowadays, due to the lack of Chinese painting test for the admission to art college, lots of students generally have a poor basis and understanding towards Chinese painting. Students do not have a comprehensive and deep understanding about meticulous painting which is an important branch of Chinese painting....

In order to research the reliability of electric power communication network, this paper proposes a kind of vulnerability analysis method based on business. Firstly, it applies the improved fuzzy analytic hierarchy process to evaluate electric power business importance. Secondly, the business importance...

High frequency arc transducer array is mainly used in multi-beam image sonar, transmitting wide beam waves. The directivity diagram of the high frequency arc transducer is calculated based on the theoretical formula and the directivity characteristics are analyzed. Laboratory verification is conducted...

Translation is a significant activity in cross-cultural and cross-linguistic communication. Translators, as native speakers, are prone to make errors in translation between target language and source language due to both lack of a frame of reference and the general trend of diction based on first-language-oriented...

Equipment acquisition contracts’ implementation performance evaluation has just started. To study work flow design issues of the implementation evaluation, from the beginning to develop a scientific, complete and feasible performance evaluation program has great significance. It helps enhance the quality...

Through analyzing the process of failure of computer information systems and confirming the relation of fault, error, symptom and failure, this paper proposes the corresponding prediction methods of diagnosing, detecting, monitoring and tracking, the research and development of failure prediction methods...

The differential study of electronics for rear-wheel drive was studied recent years, the output speed is the system variables and the PID control strategy is the base, system strategy for rear-wheel drive was designed and differential system was simulated. Results show that through the calculation and...

Abstract: In order to comply with the requirements of modern society well, we develop an automated supermarket cash register system using modern computer information processing technology and machinery automation technology. The system consists of five sub-parts, including transmission subsystem, scanning...

A genome-wide association analysis (GWAS) based on the research results, the local gene networks a preliminary establishment of susceptibility genes of type 2 diabetes mellitus, for future gene-gene interactions, provides reference for the research on gene environment interaction. 65 candidate genes...

Construction engineering plays an important role in enhancing the economy growth of China and has made great contribution to its national economy. In this market-oriented mode of economy, cost management in the field of construction engineering draws more and more attention. Cost management helps to...

Language is the carrier of culture and also is influenced deeply by culture and customs. Language learning should be carried out with culture learning. Currently, it is emphasized too much for learning of language knowledge while it is ignored for learning of the culture in college English teaching....

This paper analyzes the impact of coupling effect on the high-frequency circular piston transducer. Focuses on the impact of the direction and the transmission voltage response in the case of constant thickness and mutative diameter. Raised a new method for Circular piezoelectric wafer center opening...

Industrial systems are becoming more and more complex, creating a demand for more sophisticated monitoring and control systems to assure efficiency and safety. 566 Traditional methods struggle with real-time data processing, resulting in inefficiency and prevention failure. To this end, this paper proposes...

The AB5-type hydrogen storage alloys La0.7Ni2.5Co0.9-xMn0.1Alx were prepared by magnetic induction melting. The structure and the electrochemical properties of alloys were also investigated using X-ray powder diffraction technique and various electrochemical measurements. All the alloys are mainly composed...

Permanent magnet synchronous motors (PMSM) generate high-frequency electromagnetic vibration and noise when powered by inverters and the cause is high-frequency electromagnetic exciting force (EMEF). In this paper, the frequencies and orders of EMEF are analyzed. The expression of EMEF acted on the stator...

Food nutriology is an important professional basic course for cultivating application-oriented talents of food science and engineering, which is highly social, applicable and scientific. It will develop more subdisciplines with the development and intersection of subjects. As a branch of nutriology,...

A kind of cylindrical capacitive rainfall sensor has been designed based on the things of Internet, and the temperature characteristic has been studied. Sensors including measuring cylinder, internal and external electrode and capacitance measurement circuit, the measuring cylinder liquid level changes...

The private lending, as the one of financial form which the access to the loan capital derived from Informal financial institutions, plays the important role on the economic activity, and have a profound impact on the development of local finance. Through the roundly questionnaire survey in the Hui autonomous...

The leisure agriculture not only has characteristics of tourism industry, but also it is not separated from the agricultural production, it becomes a kind of new form of agricultural production, getting the wide attention of scholars both at home and abroad. This paper starting from the concept and the...

As a kind ofnon-stationary time-frequency signal, Hyperbolic Modulation Frequency is widely used in the field ofunderwater communication, radar and wireless communications. Especially under the condition of the strong doppler effect, the doppler resistance of HFM signal is better than that of linear...

A graph is symmetric or arc-transitive if its automorphism group acts transitively on vertices, edges and arcs. Let p, q be odd primes with p, q 5 and X a q-valent symmetric graph of order 4p. In this paper, we proved that X K4p with 4p-1=q, X K2p,2p-2pK2 with 2p-1=q, the quotient graph of X is isomorphic...

This article adopts Computer simulation and graph theoretic algorithm to choose the most reasonable place to convey drugs. And this article use mathematical modeling and computer programming to solve the problem of transport drugs.

The essence of logistics strategy application is to deliver goods for the customer timely and accurately, but the logistics distribution is a bottleneck in the development of commerce mode of B2C e-commerce environment. The development of electronic commerce has put forward new requirements to the B2C...

Teachers in public security colleges are the main force in carrying out scientific research activities. In order to improve the enthusiasm and quality of scientific research in public security colleges, we need to design a scientific and reasonable teacher science and research performance evaluation...

The ecological psychology holds that the human behavior is the result of the interaction between human and environment. And in a certain service context, the customer behavior is not only affected by the physical environment, but also by human which is an important factor. Based on the theory of ecological...

Archives information resource is an important part of information resources, which contains abundant information. With the advent of the information age, the importance of the value of archives is becoming more and more popular. The development and utilization of archives information resources is highly...

The automatic modulation identification for communication signals is an important problem in the intercepted signal processing and widely used in non-cooperation communication of military and commercial. This paper proposes a method that based on the second and fourth order cumulants of received signal...

This paper proposes asymmetric cascaded multilevel inverter with unequal dc-link voltage ratio. Meanwhile, it’s proved when asymmetric topology with dc-link ratio of 1:2:4, the output voltage level can be maximized with the same number of devices. For this kind of topology, this paper designs the corresponding...

Short-term load prediction of power system has great significance for safety and economy of power system operation as basic content of power system operation management and real-time control. In the paper, power system short-term load predicting model based on RBF neural network was established. Influences...

In this paper, we investigate an acoustic transmission technology in Production Logging, The subsurface equipment has be installed during pump operation, the logging tools and transmission system Installed in the bottom of the pump and into the wellbore together. Raw log datas are transformed into regular...

This paper takes the international tourism island as the background, illustrating the current situation and advantages of tourism service and tourism service trade of Hainan. In this paper, we also analyze the current problems in developing tourism service trade, and put forward some targeted proposals.

Analog electronics course is an important fundamental electric course. It is difficult to study and its content is difficult to comprehend and master. Animated coursewares of PN junction and negative feedback circuits are designed and made using flash technology. They can dynamically demonstrate the...

Leakage of oil and petroleum products can cause serious soil pollution. Traditional monitoring method for soil petroleum hydrocarbon pollution finds it difficult to diagnose a large area of soil contaminated area, while visible and near infrared (VNIR) spectroscopy technology boasts advantages like fast...

With the continuous progress of society and the continuous popularization of aviation, airport security more and more attention by the relevant departments. The airline is also committed to providing travelers with an excellent flight experience, and they want to minimize travel time at the airport while...

Chaos system possesses the characteristics that it is immune to noise and signal whose frequency is quite different from that of inner signal in chaos system and it is sensitive to the signal whose frequency is same as that of inner signal in chaos system. Therefore the method for detection of weak signal...

Cloud broker can provide more flexible price options by integrating and scheduling all the requirements of their clients. The existing work does not consider the deadline of the requirement, which may fail to satisfy the clients before the deadline time. Therefore, we propose a novel strategy for the...

Considering the characteristics of ship maintenance, the causes for accident are further analyzed based on the theories of accident causation and hazard, so as to propose a concept of safety accident causation factor. A ship maintenance safety analysis framework is created as the basis for traceability...

Aiming at the problem lied in existed methods which cannot suppress grille background completely, a novel method of vehicle-logo accurate localization was proposed. Firstly color invariants and prior information are used for fast localizing license plate in RGB color space directly; and then process...

Artificial Intelligence (AI) is revolutionalising drug discovery by increasing the rate, precision and creativity in the search for potential drug leads. From the customary approaches of modelling molecular structures to the modern era of enhancement of drug-target communication, applications of artificial...

With the growth of social economy, more and more high to the requirement of animal husbandry.With the brisk development of pig raising production, we have realized that how to improve the effectiveness of pig raising, disease warning and prevention is of great significance. In this research, by applying...

As an important part of military support, the development of military logistics has a direct impact on the army’s fighting capacity in morden wars. Deserves in-depth study. Potter's "Diamond Model" consists four factors and two variables. Four factors include production factors, demand conditions, related...

In order to improve the performance of fertigation equipment, a fertigation control system based on ARM and C/OS-II is developed. Serial screen is adopted to improve the performance of human-machine interaction, and to decrease the load of MCU. Several tasks related to the control system and fertigation...

Wireless sensor network (WSN) is a new generation of sensor networks, which has an extensive application prospect, but the energy limitation of sensor nodes is a key issue of WSN. This paper designs a kind of energy saving supply system which is applied to WSN. The system makes full use of the electric...

Cultural differences determine that there are huge differences in the thinking logic, sentence structure and expression habits between Chinese and English. These become the big obstacles in translation between Chinese and English. In this article, the author discusses the language differences from the...

Considering the location demand of radiated noise source in underwater target, the method of location of line spectrum of radiated noise based on passive synthetic aperture method is presented. Line spectrum signal is received using single hydrophone, and azimuth sampling rate depends on the azimuth...

Since the emergence of humanism in the 1960s, the traditional authentic class with the teacher as the center has been gradually replaced by student-oriented class. Correspondingly, there have been various English educational theories and educational approaches based on students. Various teaching approaches...