Advances in Computer Science Research

This paper proposes a target track detection method based on RHT idea in active sonar image process. The method takes advantage of speed limitation of underwater maneuvering target which means the target track distributed in local space, by means of statistical similarity analysis applied to image pixels...

The SNS has become one of the most popular application on Internet, and has been extended to the field of knowledge sharing, gradually penetrated into marketing, interpersonal communication, medical, library management, the field of education. This research starting from the research status quo of network...

The initial disturbance of the projectile is the premier factor that takes effect on the marching fire accuracy of the conventional weapon, which depends on the projectile firing process of the conventional weapon. In this paper, the theory of projectile firing process of the conventional weapon during...

Using the arithmetic average minimum approach degree as a weighted approach degree, the new indicator of the relevance of the optimal interval combination forecast model is established. Some new concepts such as superior interval combination forecast model and non-inferior interval combination forecast...

In order to achieve the secondary power supply test, automatic test system for reasonable overall planning and design, to guarantee the output of the secondary power supply standard, for the extension to provide stable power supply. The overall design of the secondary power test system includes hardware...

By making use of isogonic method and combining with SPSS, this paper attempts to measure the sensitivity and internal resistance of a sensitive galvanometer, evaluate experimental data and its uncertainty with confidence probability of 95%. This paper introduces experimental circuit and principle, and...

Demodulation system for applied to seismic detection, erbium-doped fiber super fluorescent source combined with demodulation, the design of optical fiber Bragg seismic detection demodulation system based on ASE source, optical power output of 6.9 mW (8.43 dBm), spectral up along the width of 3 nm and...

With the development of web 2.0 technology, all kinds of services based on web have appeared many new features. The invasion methods and attack technologies aimed at web service side are becoming more and more diverse, which threaten the security of network seriously. Therefore it is necessary to research...

To solve the problem of tracking maneuvering target in the presence of clutter, the debiased converted measurement based interacting multiple model (IMMDCM) estimator in combination with the probabilistic data association (PDA) technique is proposed for airborne target tracking. Under the architecture...

Urban development is the basic condition of human social development, is also an important symbol of human civilization progress. A city of the healthy, harmonious and rapid development not only conducive to the residents to live and work in peace and contentment, but also help to promote the overall...

The transmitting system is the core part of active sonar, its amplitude-frequency response is an important element to judge the system, and an important indicator to measure its performance is the bandwidth flatness of the amplitude frequency response. When the amplitude-frequency response is seriously...

Firstly, this paper analyzes the status quo of innovative talents training model in agricultural engineering disciplines. Secondly, it focuses on the analysis of the reform measures of innovative talents training mode, including reforming the personnel training program, reforming the innovative curriculum...

Digital nucleic acid amplification and determination has become an attractive technique by its capable of high sensitivity and precision. With the development of microfluidic technique, this method becomes much easier to perform, with less sample requirement and cross contamination. The dynamic range...

Concerning the uncertainty of non-lethal efficiency during using non-lethal sonic weapons, this paper introduces the mechanisms of non-lethal sonic weapons. The key factors influencing comprehensive performance of non-lethal sonic weapons are analyzed. The non-lethal performance as the core of the index...

With the development of electronic technology, more and more single chip microcomputer and embedded teaching courses are open in electronic specialty of colleges and universities. However, the courses only teach relevant principle or theory without deep content and cannot form a complete system. Concerning...

The reform of classroom teaching model has become a hot area. Application-oriented undergraduate refers to the application-oriented positioning for the school, rather than scientific research for the positioning of undergraduate colleges. For an application-oriented undergraduate university, the quality...

Based on the first question of problem B in the National Undergraduate Mathematical Modeling Contest of the Higher Education Cup in 2015, this model would quantify some relevant indexes to analyze the degree of supply and demand for taxicab resources. In view of this question, this paper would estimate...

With the rapid development of computer network, various problems also arise, especially the network security problem. How to quickly and efficiently find a variety of network intrusion behavior, to ensure the safety of the system and network resource is very important. Intrusion detection is a proactive...

With the rapid development of modern society, a series of social problems in population, resources, environment, public health and other aspects get acute increasingly. When major natural disasters, safety incidents and unexpected public health events occur, goods transport efficiency will directly affect...

Analysis on the influence degree of processing quality parameters on bearing vibration belongs to the problem that the probability distribution is unknown and the correlation is complex. Only classical statistical analysis is not comprehensive. In this paper, by selecting the channel radius of curvature,...

The miniaturization of the low frequency, high-power transducer has becoming the hot spot in the transducers research. With the variety type of sonar’s working frequency went below, the increasing demand for low-frequency performance of the underwater acoustic counter device. The conventional low-frequency...

Oxygen transfer and the energy dissipation by the flow types at the stepped weir structure were performed through hydraulic experiments. Nappe flow occurs at low flow rates and for relatively small step slope. Dominant features of an air pocket, nappe impact and subsequent hydraulic jump occurs. At larger...

The effect of Current type inverter is obvious in energy saving and consumption reduction, But the technology of domestic current type inverter is not mature enough,which is mostly imported from abroad.Imported inverter is expensive and high maintenance cost.Therefore, it is quite necessary to research...

There is a very complicated nonlinear relationship between the input digital image pixel value and the printed color chromatic values, which is difficult to be described by traditional linear methods to achieve high accuracy. In the study, a printer characterization model is established based on artificial...

With the digital city and smart city building, as a geographical information system of urban underground pipe network has become one of the hottest urban lifeline nowadays research. In this paper, 3D visualization of the underground pipe network GIS background, 3D study of the underground pipe network...

With the fast development of data science and Internet technology, the bursting need for data storage and analysis makes it necessary to build up data centers. In this paper, we discuss the core techniques on designing network. Advances in data intensive computing and high performance computing facilitate...

This model is based on the problem B in the Mathematical Modeling Contest of North China Electronic Power University in 2015. It works out solutions for non-overlapping box arrangement with load-bearing limits and without bearing limits, which can finally solve the practical loading problem of overlapping...

WeChat, as a new media software, has been widely accepted and universally applied among college students. During the process of using WeChat, college students’ world outlook, outlook on life and value have been changed imperceptibly with profound impact on their behaviors and ideology and morality. This...

Management is the cornerstone for the enterprise development, and innovation is the driving force behind the enterprise progress, and also the decisive factor for modern enterprises to achieve leapfrog development and steady growth of profit. In the increasingly fierce market competition, the business...

This paper analyzes the mechanism of non-cavitation tone noise line-spectrum frequency of counter-rotation propeller. The mechanism is interference effect and circumferential harmonics field effect. According to the generalized acoustic analogy equation, the lift and drag which are caused by the mechanism...

With the continuous improvement and development of technology, electronic engineering develops into automation gradually. With the increasing demand for electronic technology, electronic technology has gradually become the most important project of network engineering, and wireless home network control...

Based on the analysis of the site selection impact factors of industry park, the decision-making index system of site selection of industry park was built from the aspects of financial situation, the impact of site on society and nature, basic situation of park site, future development potential of park...

For big data analysis and processing of the SQL database has the very good read and write performance and scalability, but cannot support a complete SQL queries and inter-bank transactions across the table, which is mainly composed of a relational database for traditional financial business have limits...

With the rapid development of social network, analysis for online users’ emotions and tendencies has gradually developed. Sentiment analysis and social relations analysis on social network has made significant progress. Based on data mining, this study summarized the existing work about users’ emotion...

The methods and steps of seeking the lowest cost in the process of duration optimization were introduced under the condition of certain constrains in this paper through the compression of network plan effectively to find the optimal solutions. Besides, it combined with engineering examples to illustrate...

BOT is abbreviated from Build- Operate-Transfer model, as a new kind of investment and financial measure, which is applied to urban rail transport construction. It can reduce difficulty in capital and workload of coordination and management as well as increase the performance efficiency of urban rail...

A simple mechanical CVVA system as a four-bar linkage mechanism is characterized by compactness, and it offers certain benefits in terms of adaptation to various cylinder head configurations, which is conducive to improve engine performance greatly is introduced in this paper. The CVVA mechanism consists...

Reaction time under different lighting source was obtained. The influence of luminance, contrast and eccentric angle on the reaction time were investigated. The relation between Lm and x were built using spectral luminous efficiency function V( ), the ratio of light flux of the photopic vision and scotopic...

Aiming at the missile fire allocation of warship formation a valuation method of damage target value coefficient is put forward. According to the amount of carried anti-warship missile by attacking warships, the model of missile fire allocation is built up. Two methods of improved genetic algorithm are...

In recent years, the private lending in rural economy has experienced a rapid development. Its existence and development with distinct features were closely connected with social economy. Being an effective complementary form in rural financial system, the private lending to some extent met the need...

In this paper, we focus on the need for temperature field analysis of gear transmission, as a important issue related to gear transmission’s reliability. Most of previous studies were based on traditional heat transfer theory, focusing on numerical analysis method, however oil cooling effect has not...

The conventional method in target noise simulation which generally applied for verifying signal processing algorithm always use CW or LFM signal plus with pseudo-random sequences. But the reality target which has numerous machines complicates the radiated noise with propulsion, control, and habitability....

In this paper, we design and implement the smart home network system based on the embedded technology. In the smart home system, wireless network technology was applied to the family network has become an irresistible trend. Household system based on network is the connection of all kinds of information...

Digital development is the necessary way of archives management. Digital archives has its rules and requirements, which should be abided by teachers in their professional archives digitization development. The recycling of professional development of archives digitalization mainly reflects in: the development...

Civil Engineering Materials is an important professional basic course, which is arranged for sophomore. The second year for college students is the period changing from basis to professional, the bridge to contact their major. Civil engineering material teaching includes classroom instruction and experiment....

the main goal of this paper is to study how to strengthen the information sharing between University Library and the booksellers, improve their information decision system, and effectively improve the quality of book purchased. Through analysis of existing research results, this paper points out that...

Cultivating and developing strategic emerging industries has its own special mode, so the development of strategic emerging industry depends on not only the technology innovation, but also the cultivation mode and mechanism innovation more importantly. This paper compared several foster strategic emerging...

Based on the improved equivalent circuit model of GNL, this paper first simulates the charging and discharging process of electric vehicle battery and analyzes the sources of losses. Afterwards, it illustrates the existing kinds of losses of the convertor and presents calculation formula by taking the...

In order to analyze the current situation of CMR (cloud manufacturing resources) after the human entering to net work age and cloud manufacturing formally producing, then summarizing and analyzing the related work on cloud manufacturing and CMR, three aspects of CMR are analyzed from the classification,...

Electronic information technology in the construction and development of modern society in various fields and trades in occupies the important position and role. Electronic information technology application is based on the computer, but because of various kinds of information in the network virus viral,...

Since reform and opening-up, our country's higher education has achieved rapid development. China's higher education has played an important role in improving the quality of the population in China and to provide the economic development in our country. In this article, the development of Chinese higher...

Performance, including art performance and social performance, is a way of expression and behavior, is the external expression of performance subject and inner thought, is a process. Performance has become a keyword in the field of tourism research. Articles on the performance theory, puts forward the...

Based on the definition of equilibrium development of compulsory education, a conceptual model of equilibrium development of compulsory education has been put forward, which includes balanced education opportunities, balanced allocation of education resources and balanced educational quality. In terms...

In order to solve the problem that email is not safe when transmitted in external link, the paper designed the Mail Security Gateway. It can encrypt and sign the email for its users and change the user as least as possible. The analysis shows that the Mail Security Gateway can provide security enhancement...

The issues of bubble-size spectra estimation were researched using the bubble resonance theory and an iterative approximation, in order to further understanding the performance of the two approaches for determining bubble-size spectra, the estimation accuracy of four bubble-size spectra models have been...

Through the analysis of uplink scheduling process in LTE system, the common PF scheduling algorithm was improved and a new uplink schedule algorithm was proposed based on water filling principle. The new algorithm was demonstrated through the simulation for GBR traffic on OPNET platform. The result proved...

In this paper, the structure of a large spaceborn deployable antenna is optimized in condition with its working state. The main aim is to obtain the lightest antenna's weight for lower costs. In the optimization process, the optimum mathematic model is established with outer radius of antenna's beam...

Reliability evaluation of the electric vehicle in the grid of random charging and discharging behavior is particularly important. To solve these problems, a mode is proposed in the time and space by their random behavior, probability density function based on the statistical analysis, and the bind distribution...

At present, there are many bad social phenomena of d among teenagers, which promotes the research and implementation of appreciation education. This article states the connotation of appreciation education and gives its own understanding about appreciation education.

The main influencing factors on decision-making of process schemes are analyzed to set up a synthetic evaluation system involving processing quality, production cost, productivity effect and process flexibility. In view of the deficiency of traditional fuzzy synthetic evaluation, the method of qualitative...

Yb and Er co-doped TiO2 photo-catalysts were synthesized by microwave drying method and sol-gel method with room temperature ionic liquid as a reaction medium. The purpose of the experiment was order to improve the photo-catalytic activity and accelerate the degradation of pollutants, for example methyl...

Parallel services efficiently mining frequent itemsets is the core issue of dynamic service scheduling. For the feature that service nodes split the task into reorganization service under the data transmission environment, how to arrange the services sequence of matched nodes in accordance with specific...

InDesign is a professional design and typesetting software by American Adobe Company launched, in the current market occupy the mainstream position. It is widely used in the layout of books, periodicals, newspapers, pamphlets and other printed materials, this paper introduces the InDesign functional...

Aiming at the disadvantages accuracy, great loss and unstableness by electronic power meter,the smart meter system based on ARM9 microprocessor was designed. Hardware circuit mainly includes the power acquisition module, data storage module, power module and two-way communication module. Electric meter...

For DS/DPSK, carrier synchronization is not necessary in the receiver end, it outperforms DS/PSK systems respect to anti-frequency shift and anti-phase-jitter ability in phase changing shallow water channels, thus is considered as a robust modulation scheme in shallow water mid- and long-range acoustic...

In the continuous development and progress of modern society, under the new media as the spread of emerging power, to a people's spreading news and some spiritual power. But the development of new media, its disadvantages are also gradually revealed. For college students, life cannot leave the new media,...

Under the guidance of the concept of "rotating classroom", the reform on the fine teaching model for the marketing course of "vocational to undergraduate" is mainly carried out from three aspects: pre-class warm-up, classroom control and result comments. Pre-class warm-up is mainly done well in the survey...

Through a long process of development, the current innovation is more advocating integration of innovation. The integration innovation emphasizes the organic interaction between the innovation subject and the beneficiaries of innovation. The key factor on capital is government's guidance, which is to...

The drawing mold of Miniature Inner Grooved Copper Tubes (MIGCT) is made of WC-Co hard alloy, TiAlN coating is deposited on the substrate of WC-Co hard alloy. Inspections on binding force and hardness show that TiAlN coating is provided with fine surface finish and can meet the requirement of industrial...

This research discusses the relationship between job satisfaction and organizational commitment in agency workers, according to the questionnaire survey for 220 agency workers. The results indicates as follows: The degree of both job satisfaction and organizational commitment is in medium level; Job...

In recent years, in view of existing air conditioning system energy saving diagnosis research has been closely watched. As a typical air conditioning system energy saving diagnosis method, the observation/ac - test/computing - judgment/solution ""(the OTI) method is widely used in the practical project...

The preparation of nano-crystalline manganese-zinc ferrite was affected by the pH value greatly in the network gel method and the optimum pH value was the range of 9~11. Monophase manganese-zinc ferrite without impurity phase could be obtained via adding additive after sintering at low temperature. The...

This paper mainly introduces the design process of a new type of non - standard equipment which is suitable for the maintenance of many kinds of locomotive wheel sets. The working principle, working process and structure characteristics are discussed in this paper. The design and calculation of the main...

When modeling sound propagation through the uppermost layers of the ocean, the presence of bubble clouds cannot be ignored. Their existence can convert a range-independent sound propagation problem into a range-dependent one. Based on available test data and within the framework of previous work, a model...

Colleges and universities is talent training base, Students' employment is the lifeline of the Colleges and universities. How to improve the quality of student records management, to Provide students' Comprehensive archives information during the period of school which about morality, intelligence, physical...

E-commerce of agricultural products is one of the hot research fields in recent years. This paper, taking Qihe Organic Agricultural Development Co., Ltd. as a case, first described its present e-commerce application and then analyzed its deficiencies in depth from information grasping of market demand,...

Ink-jet printing is an important part of the digital printing system; it has been widely used in various fields because of its wide adaptability, high-speed intelligent and low pollution. This paper chooses a kind of print head produced in XAAR company which works in dropping on demand manner. Firstly...

Different modes of thinking reflect differences in language expressions, and differences between Chinese and American modes of thinking are important factors influence English teaching and learning in universities and colleges as well. Therefore, this paper discusses the differences between Chinese and...

CDIO engineering education mode conforms to the laws and demands of the contemporary engineering education and this mode is promoted in many colleges and universities both at home and abroad. This paper introduces the thinking and exploration of the process control engineering curriculum in the teaching...

In order to reveal the machining mechanism of the inter electrode gap during ultrasonic assisted electrical discharge machining, the relationship between the distribution of the flow field and bubble motion was studied. The three-dimensional model of deep hole machining was established firstly using...

Selective biocatalytic synthesis is an important part of the third generation of biotechnology, is the forefront of international scientific and technological development. Utilizing enzyme catalyzed reaction, many complex substances can be synthesized. Biocatalysis have strict regional selectivity and...

The comprehensive application of computer technology establish man-machine interactive contact through the computer network system, computer and the computer, , realizing office’s automation management, improving the office’s efficiency effectively, and bringing information communication revolution....

In this paper, a systematic numerical analysis on strap-down inertial measurement unit errors is developed for performance validation. An inertial measurement unit (IMU) incorporates various errors that will have influence on its performance. Understanding these errors is the first step to accurately...

There are some problems still exist in traditional individual credit assessment system. To solve the problems, an decision tree individual credit assessment model is proposed. Using SPSS Clementine data mining tool, the personal credit data is clustering analysis by decision tree C5.0 method. It is worse...

This study numerical demonstrates the principle of parameter design of the two vertical source-receiver arrays system for separation of eigenrays in shallow water multipath environment. The two arrays performed transmission and reception of acoustic pulse signal repeatedly, and use a double beamforming...

Since the implementation of China's reform and opening up policy, along with the potential of computer hardware controls the level of technology advancement trend has large capacity, miniaturization direction, and in that the basic conditions of storage technology and image processing, optical communications,...

Micro holes were formed on GH4169 super alloy using a millisecond pulse Nd:YAG laser with a average power of 65J and positive defocus of 3mm from the sample surface. The microstructure of the micro hole including morphology and elements composition were analyzed using Scanning Electron microscopy (SEM),...

The securities market information construction is an important part of information construction, speed up product innovation, improving customer service levels. It can ensure the company in an impregnable position in the fierce competition, securities company customer relationship management system based...

In the western countries, there was already someone who had tried to explain political phenomena through the analysis of cultural factors, but the special political culture study slowly rise in political circles until after the Second World War , the theory of political culture in the West has experienced...

Nowadays, the energy consumption and environmental pollution pressure cars bring has become a global challenge. In order to ease the pressure of energy and environment, the loss energy during automobiles braking can be regenerated and reused when the automobile starts or accelerates. By this way, not...

The supervised Latent Dirichlet Allocation (sLDA) is a probabilistic topic model of labelled documents, which is better than unsupervised LDA for text categorization. But sLDA experiments were based upon this default assumtion that the corpus is balanced, that is, the samples of each class are approximately...

A study of nonlinear transient behavior between hydromagnetic circular squeezing disks has been presented in this paper. Based on the hydromagnetic flow model together with momentum integral approach, a lubrication equation including the effects of local and convective inertia terms is obtained. The...

Colleges are an important base for developing moral, intellectual, physical and aesthetic high quality talents in China, therein, the construction of campus sports culture plays an irreplaceable and long-term role in cultivating new talents. As the final stage of school physical education activities,...

The structural failure of storage tank under internal overpressure mainly have two forms: uplift deformation and corner weld avulsion. And tank bottom is a sensitive position. A practical case of tank bottom deformation was detected in 2014. Based on this practical engineering case, tank bottom structure...

With the popularity of the internet and the development of e-commerce, the e-commerce system is providing users with more and more choice, and its structure becomes more complex. Users often get lost in a large number of commodity information spaces, and can't find the need goods smoothly. E-commerce...

Signal parameter estimation is a part of the signal processing, this paper focus on the weak LFM parameter estimation by stochastic resonance, the twice sampling and different step make sure the bistabe system reach to resonance, then the SNR is improved, the high resolution estimation is come from the...

Augmented reality technology is a new technology developed on the basis of virtual reality technology, which is a new development of virtual reality technology. The key of augmented reality technology is to integrate the 3D virtual objects generated by computer with the objects in the real scene, so...

With the fast development of urban infrastructure construction in China, Urban underground space engineering become a newly emerging undergraduate major in recent years and belongs to the discipline of civil engineering. with the increasing of underground engineering, such as subway, people's air defence,...

As the rapid development of science and technology in recent years, computer network technology also shows a tendency of rapid development and gradually becomes widespread in people's life. Computer technology has been widely used in people's production and life. The effects of computers can be seen...

The accuracy and reliability of the main components of travelling wave natural frequency is the key of travelling wave in the fault location method based on the natural frequency. To avoid the problem that traditional algorithms rely on a single primary natural frequency are not reliable, a new method...