Advances in Computer Science Research

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...

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...

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...

With the development of the times and the progress of the society, people's living standards are getting higher and higher, the degree of knowledge is more and more deep, but the spread of education has caused the students to be found everywhere. Facing unprecedented pressure of employment, many colleges...

In order to research the static performances of the spherical spiral groove hybrid gas bearings, the lubrication analysis mathematical model of spherical hybrid gas bearings is established with variable tangential angels of gas supply. Subsequently, the mathematical model is transformed by derivatives...

Owning to its special geological origin, columnar jointed rock mass is a special kind of geological structure with strong discontinuity and anisotropic. In this paper, influence of structural effect on the equivalent modulus of columnar jointed rock mass is discussed via Jointed Finite Element technique...

Because of the complexity of conveyors working process, so far the research and the design of conveyors usually rely on the designer's experience or test methods. In order to help mechanical engineers identify problems and modify the design at the design conveyor stage by showing the work process and...

The rapid development of computer technology for university physics laboratory management has brought new techniques, management work of laboratory informatization, digital, networked, intelligent level gradually increased. In this paper, the use of computer technology to design the college physics experiment...

Impulse noise and large scale single-frequency noise have an enormous effect on underwater acoustic communication and they often exist in the received signal. This paper focuses on noise mitigation when the two kinds of noise both exist. These interferences are sparse, and they have lager amplitudes,...

Growth in the continuous improvement of the efficiency for modern tourism industry competition, competitive advantage, to resist external risks, improve business performance, to achieve the maximum benefit, has important significance. The non-parameter Malmquist productivity index decomposition method...

With the reform and opening up as well as China’s entering of WTO, English has been playing an increasingly important part in various politic activities and major economic events; however, the present traditional English teaching is lack of certain practical skills. In order to have a better teaching...

A quadcopter controlled by PID which uses STM32 as its main control unit and can achieve autonomous goods transporting and positioning with GNSS (Global Navigation Satellite System) has been designed. To control its attitude, a dynamic model has been describe with the collected data of attitude of quadcopter,...

Innovation is the soul of a nation's progress and development, it is a new era, the important requirement of social development in our country, a country can have a large number of innovative talents with innovative ability directly determines the strength of its comprehensive strength. Whether in any...

With the further popularization of computer and network, networking and information is an important development direction of physics experiment teaching reform in colleges, so learning management for physics experiment can be achieved better if using the learning method of information. Firstly, the key...

The driving force electronic control system composed of electronically controlled engine, automatic transmission and traction control system can realize the active regulation to the driving force, improve vehicle dynamic, trafficability and handling stability. CAN bus technology cannot only avoid the...

Sonar operational range is an important tactics and technique parameter for sonar system. It is a variable number because of many factors affecting in the actual using, so it brings more complex in the test. Being analyzing the influencing factors for sonar operational range, this paper summarizes the...

In the final analysis, the competition among the modern society is the talent competition, the talented person is the importance of the country, and the analysis of the current international situation, it is necessary for our country to have a creative and innovative talents. The important task of innovation...

In medical colleges and universities, human anatomy is a basic and important course. Due to complexity of course content and limitation of traditional teaching method, much inner abstract teaching content is hard to describe, and many operations in anatomy experiment of important parts can not be conducted...

The relationship between husband and wife is the core of a family, and harmonious gender relations are the primary factors of family happiness. However, the differences in congenital physiological differences and the acquired education result in the formation of a larger difference between men and women....

It is the most important way to improve recommendation precise by catching the interests of users. It is easy to find current interests of users; however, a good recommendation should provide potential interests to uses. In this work, the inner and outer factors are combined to analyze the changes of...

The regulation of earth resistivity and elastic wave velocity with the change of compaction degree under different moisture contents is studied by experiment. In addition, regression analysis is conducted on the relationship between compaction degree and soil resistivity and elastic wave velocity. Based...

The rapid development of market economy has brought huge economic wealth to current society, also brought pragmatism and utilitarianism, which have seriously eroded the development of higher education. Reflections on the functions and purposes of higher education greatly benefit to the development of...

Based on the method of evolutionary game theory, this paper constructs evolutionary game model and analyzes the strategy behavior of bounded rational haze sources. Discussing steady strategy of each haze source when evolutionary game reach stability under different conditions, and proposing some suggestions...

With the development of modern society, it asks higher demand on talents and has tried timeless efforts to improve talent quality. Facing the broader needs of society, China implemented quality education reform in order to foster appropriate talents who can be adapted to society. Besides, the education...

In order to solve problems including the interpolation error, the distortion of phase information and the huge computational costs by using classical truncated-interpolation based back projection (BP) algorithm for multi-receiver synthetic aperture sonar (SAS), a novel BP algorithm is proposed by exploiting...

As an important part of power transition, the safe operation of substation is of great significance. In this paper, according to the characteristics of the substation equipment overheating fault and the theory of mathematical model of support vector classifier, equipment overheating fault diagnosis mechanism...

With the development of social economy, the role of leisure sports has been paid more and more attention by the state, especially for the aesthetic education of college students. Now college students because of multiple reasons addicted to the network, skipped classes to play games, eating the phenomenon...

In recent years, with the deepening of the "New Curriculum Standard" education reform , universities are constantly advancing and deepening innovation and entrepreneurship education which gradually becomes a trend of the education reform, and is also a highlight and focus of education in colleges and...

It's always an important guiding principal about how to combine the features of regional climatology and of culture to optimize building that is environmental suitability. It sets Taiyuan south railway station as an example,discussing the influences of natural ventilation,natural lighting and green illumination...

In order to deal with the large-scale data access and massive marine information to provide reliable real-time cloud computing services, put forward the concept of software work flow and construct a system based on cloud platform with software work flow. Software work flow engine is at the bottom of...

The reform and opening-up policy in China has resulted in a good environment for the development of small- and medium-sized enterprises (SMEs), especially the burgeoning SMEs in the private sector. SMEs have been playing an important role in China’s economic reform and development and, to some extent,...

By using density functional theory (DFT) calculations, the phase stability of Ga3Zr with tetragonal (D022) and cubic (Ll2) structures under high pressure have been investigated. The equilibrium configurations have been obtained after geometry optimizations. The lattice parameters and formation energy...

The cognitive users can use the spectrum holes which are vacant at some time or some frequency. Once the authorized users need to use the spectrum again, the cognitive users should stop using it to avoid interfering primary users. In this paper, a method based on active learning (AL) and AdaBoost machine...

When ovarian cancer is found, it is usually in the late stage, whether the survival rate of the patients can be improved or not lies in the ideal cytoreductive surgery and appropriate chemotherapy. With the development of imaging technology, CT is widely used in the diagnosis and treatment of ovarian...

With the rapid growth of china's national economy, china's road transport industry has been rapid development, as one of the three key elements of traffic management, the important role of vehicle technology management in road transportation management. This paper analyzes the transportation enterprises...

This paper presents a method based on K-SVD (Singular Value Decomposition) to despeckle Synthetic Aperture Radar (SAR) image. First, we get sparse representation of a noisy image f over a fixed complete dictionary D by using Orthogonal Matching Pursuit (OMP). Then, train D on the noisy image to get a...

According to Reception Aesthetics, a literary work is always written for readers to read. Only in the reading process can a literary work be transferred into a real existence. As a matter of fact, in the reading process the potential readers play a key role in guiding the writers’ creation and the translators’...

A pre-processing method for the holography measurement data is proposed to solve the problem caused by the multi-path interferences in finite space. In order to verify the effectiveness of this method, a standard steel plate is measured in an anechoic tank. The sound reflection coefficient of the steel...

Based on the development of research of English learning strategy, the review are mainly made from three aspects on English learning strategy for Chinese junior high school students, that is theoretical study review, empirical study review and practical study review.

The traditional PID controller has a shortage of an-interference performance, parameters setting and time-varying control. In order to improve the output-voltage performance of the inverter and robustness of battery energy storage system power supply, this paper put forward a control method based on...

Micro-grid is a hot issue in new energy research, and a major orientation of distributed power generation in the future. The diversity and flexibility of distributed power generation complicates the operation and scheduling optimization of micro-grid. On the basis of considering a mathematical model...

Hydraulic engineering visualization simulation increases the predictability of engineering design work, engineering design and construction to reduce costs, and reasonable arrangements for construction projects of important guiding significance. This paper studies the three-dimensional visual simulation...

This paper investigates and discusses the current situation, necessity of teaching reform, teaching mode, and improvement of teaching system and teaching method in the Engineering Mechanics course to meet needs of cultivation of excellent talents in the field of civil engineering. Several improvements...

In this paper, the climatic statistical characteristics of annual number of haze days in Beijing and relationship between haze days and meteorological factors, underlying surface conditions and atmospheric aerosol are analyzed using the station observation data, land use data and remote sensing retrieval...

Transnational higher education as an important form for internationalization of higher education in a global scale. Economic globalization promotes the deepening development of internationalization of higher education. In this article, transnational higher education is introduced; Development research...

Proposed a solution on existing mobile communication network system solutions and validated. Verification test of the gateway device construction show that IPSec gateway support IPSec functions, support IPSec VPN users access multiple functions; support IPSec different access VPN users can access different...

With the development of ICS, PLC and SCADA systems are interconnected with Ethernet and directly connected to internet, which greatly improve the efficiency of data sharing and introduced in security threats at the same time. Once crack fault occurrence of critical infrastructure will result in casualties...

Coal is the basis and main energy in China, and its inefficient development and utilization led to serious ecological damage, for the reason that the economic development mode transformation of coal industry is imperative. This paper discusses the necessity, restrictive factors and countermeasures of...

With the rapid development of global economy, the meaning of higher education is highlighted in economy and politics, etc., Transnational higher education as a new mode of emerging, and the development of higher education has obtained the breakthrough. Among them, the direct output module has received...

In this paper, the generalized countable L-compact sets and generalized Lindelöf sets are introduced in generalized L-topological spaces, based on the notion of generalized L-compactness. They are described by cover form and finite intersection property. They are preserved under generalized L-continuous...

E-government is the key of the current informatization in our country, one of the core problems of which is to implement the electronic and network of the administrative examination and approval procedures of various government departments. Concrete realization goal is: to improve the efficiency of the...

In this paper, the main vibration frequency is obtained by the finite element analysis of the shaft joint, which can avoid the resonance of the wire rope coupling system in the actual work. The finite element model of slow-speed of revolution coupling is established. The model is used to simulate the...

This article discusses a new GNSS signal tracking architecture with a quasi-open tracking loop. Matched filtering is adopted for PRN code phase discrimination and FFT is used for frequency discrimination, which greatly shortens the duration of the pull-in step after acquisition. There is no loop filter...

purpose: in recent years, anti-corruption has been continuously strengthened, and various corruptions appear gradually. The purpose of this paper is to find out solutions of reducing anti-corruption costs and enhancing corruption costs so as to reduce corruption phenomena. Methods: the research in this...

Proposed a smart city management system, which can complete the basic data resource management, geocoding management, accept supervision, teamwork, supervision and management, comprehensive evaluation, video monitoring, application maintenance, wireless data collection, problem reporting, data exchange,...

In the research of factors of job burnout, it is common to look into the individual biological characteristics and the external environment factors, while the emotional factors can always be ignored. This study introduces the psychology research object, that is, emotional management and organizational...

Currently, some developed countries have already formulated and implemented a sophisticated category of construction laws and regulations based on their own development characteristic, effectively reducing the accident occurrence. In contrast, although China has promulgated and implemented some relevant...

This paper analyzes the theoretical basis of the relevant papers. First, the meaning and connotation of corporate bond yield spreads to define the difference between corporate bonds and corporate bonds; secondly, analyzed the determinants of corporate bond yield spreads, including: macroeconomic factors,...

As the second generation of FACTS products, static synchronous compensator (STATCOM) can dynamically compensate for the reactive power of the system, thereby improving the operating characteristics of the system. The STATCOM is connected to the HVDC inverter AC bus, and the HVDC transmission system model...

In order to further investigate the intelligent optimization of particle swarm optimization (pso) algorithm, we carried on the design experiments in this paper, the particle swarm optimization (pso) algorithm, the position of the first set search point X0i and speed V0i initialization;Then evaluate each...

A first-principle study on the conductive path formation induced by the aggregated O ions in the defected titanium dioxide (Ti12O29) is reported. The result illustrates that the O interstitials induce the aggregation of the O-ions. Thus, the formation of the conductive path is attributed to the continuous...