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Aiming at exploration and development capacity, it is usually hard to achieve effective utilization and balance by using just one algorithm, which will influence the solving accuracy and efficiency of the algorithm accordingly. This thesis applies particle swarm optimization (PSO) to discrete multi-objective...

In the process of surface reconstruction, the least squares fitting surface often produces singular matrix and it will cause a failure surface fitting. In this paper, we propose a new surface reconstruction method based on hierarchical surface. We first construct a low-order surface to interpolate data...

TV White Spaces (hereinafter referred to as the "TVWS") is the radio spectrum has not been used, is assigned to using in broadcast television. TVWS has the advantages of high transmission distance, strong penetrating ability, not easy to be absorbed by water, large amount of transmission unit data, etc.,...

The virtual prototype of circular vibrating screen was Established, and the overall structure and working principle of the device were described in detail.The natural frequency of circular vibrating screen was obtained by using finite element analysis software ANSYS to modal analysis,which can provide...

Start-up mark is an important factor leading to woven defects. The reasons of start-up marks were discussed. At present, cloth fell displacement is a main factor to produce start-up marks for a loom. The relationship between cloth fell displacement and its influence factors were studied. Intelligent...

This paper comes up with a DEA-BP Neural Network Model which demands little on the input data and owns a good ability to foresight. The writer use the data from Project named The Evaluation on Development Land Utilization to test DEA-BP Neural Network Mode. The result indicates that the model performs...

Perovskite-type cube structure LaMnO3 nanofibers of approximately 50~100 nm in diameter were synthesized via Sol-Gel processing and electrospinning technology after calcined at 900 by using polyvinypyrrolidone (10 wt %PVP) as complexing agents. The nanofibers was characterized by means of scanning electron...

In order to improve the result of text dimension extraction, a text dimension reduction method which is based on CHI and TF-IDF is designed and realized. News websites on the Internet provide news articles, through the page analysis based on SVM and application method designed based on CHI and TF-IDF,...

Video Shot segmentation is the key technology in content-based video retrieval and browsing, and which will directly affect the results of video retrieval. In view of the problems that the traditional shot segmentation algorithm is complex, the feature of video frame is not ideal, and the segmentation...

This Paper sums up the necessary conditions to discriminate undirected Hamilton graph based on the in-depth research into the graph. The heuristic search strategy corresponding to the new necessary conditions is designed to quickly solve the problem of "determination of undirected Hamilton graph". The...

this article describes a method of general data interface’s design and implementation based on IEC 61850. This method puts interface data of communication and other function components in real-time database of the equipment, which also sets up a mapping method of the correlation of IEC 61850 and real-time...

To improve the development of informational support of equipment, constructed the logistic support informational system is one of the choice. In order to establish informational system which adapt to the requirement of equipment, how to confirm the business function of logistic support informational...

Fast-flux net has been adopted by more and more attackers to build up bot-net, which consists of many proxy-hosts that are changing fast. With this technology, tracing and locating the C&C (control and command) host is more complex and difficult, so that how to identify whether a domain belongs to a...

The system is set up mainly for "Online shop" and other entrepreneurs in the early stage, lack of manpower with heavy workload problem. Design a mechanical device can be used to personalize a variety of packaging materials, the size of goods. By simply provide a power source, simple manual work to complete...

It is highly important to choose suitable of the foundation in underground engineering. With the engineering, the foundation is made of gravelly soil, which distributed discontinuity and had bad uniformity. Drilling method, dynamic sounding method and deep plate loading test were applied, combined with...

Linear support vector regression (SVR) is a popular machine learning algorithm. However, as the amount of data increases, the learning procedure of SVR becomes time consuming. In this paper, we propose a mini-batch quasi-Newton optimization algorithm to speed up the training process of linear SVR. The...

The traditional railway freight early warning adopted independent indicator thresholds discrimination. But it would lead to inaccurate results warnings, it may alarms when abnormal events occur instead of early warning. This paper proposes a railway freight early warning model, which apply support vector...

A novel data driven face descriptor based on point-to-subspace metric is proposed for subspace classifiers. Unlike conventional feature descriptors which are carefully designed by hand, the newly proposed method uses supervised learning to derive more robust and more discriminative descriptors. During...

In recent years, cloud computing is developping rapidly, and many companies put much effort to set up their own private cloud or public cloud. However, structures of cloud network topology are not of the same quality, and many network builders are tend to ignore the vulnerability of network topology...

Nowadays, the biggest problem that has influenced the using effect of wireless networks is that the transmission signals are easy to be affected by the external factors as well as the hardware equipments which are easy to be damaged, which lead to the phenomena like bad performance of transmission signals,...

In China, countless docking problem always exists in the agricultural production and marketing process. It often leads to blind planting and unsalable depreciated phenomena. Although the e-commerce is a good idea of exchanging supply and demand information and reducing the circulation cost, it faces...

The remote sensing technology has become the important tool for the basic geological study in the strongly dissected topography and high altitude mountain area. Based on analysis of OLI remote sensing data, the optimal band combination of R: G: B is Band 7: Band 5: Band 4 according to the analysis result...

All-sky autonomous star map identification has come up with higher requirement on calculating speed and storage space. Error caused by rotation and location noise influences the performance of star image identification algorithms. So various algorithms include procedure of rotating star image to the...

Analysis of wind tunnel flow induced vibration characteristic is to understand the high-speed airflow caused mechanism of flow induced vibration, take appropriate to restrain vibration reducing body piercing vibration circuit. This paper introduces the characteristics of flow induced vibration source,...

Image-based 3D reconstruction has many applications, but the reconstruction process is really time-consuming. In this paper, we have discussed several existing methods which can speed up the reconstruction, but many of them have their own limitations. After the analysis of image-based 3D reconstruction...

With the deepening of China's reform and opening up and the continuous improvement of people's living standard, people more and more high to the requirement of education. According to China's medium and long-term education development request, under the background of new situation and new application...

Recent year, school of economics and management or school of business in many universities discuss in-depth about the necessity and importance of setting up finance courses. Especially for non-economics majors in school of economics and management or school of business, whether finance courses should...

Aiming at the shortage of the actual experimental equipment, virtual reality technology was adopted for setting up an experiment system. The framework is the strange IoC and the engine is Unity3D for the system. A step operation of the experiment is divided into five parts, interaction behavior, interaction...

The motion sensing interactive devices can greatly enhance the sense of immersion. In this paper, the flow of the interaction with the HTC Vive is sums up five step. Analyzes the positioning principle of the HTC Lighthouse and introduce the function of the HTC thumbstick. Then defines the quaternion,...

In the modern society, static defect detection technology become an effective way to build reliable software. But the phenomena of misinformation and failing to report in the result of static defect detection makes testers needed to confirm the false alarms one by one manually. It is necessary to improve...

Flight or maneuvering at high angle of attack is one of the most important parts for the modern fighters. When the angle of attack is within the usual range, the aerodynamic characteristics have a linear relationship with the dynamic of aircraft. With the increase of angle of attack, the airflow separation...

Through the statistic analysis of the accident data of Heilongjiang freeway from 2010 to 2014, it is concluded the regularities of distribution of the accidents on the Heilongjiang freeway, as well as the factors influencing the security of Heilongjiang freeway system. Then, the evaluation index of Heilongjiang...

In MapReduce environment, problem of data redundancy,a large number of tasks to be processing and mass data storage come up, in order to solve these problems, we put forward the way of data prefetching , preprocessing of hid the remote data access latency, by adjusting the allocation of resources to...

Since the reform and opening up, China's national economy has maintained a rapid growth, GDP is increasing rapidly. But economic development are not only refers to the expansion of total economic output, but also in the promotion of qualitative aspects. Therefore, how to assess the quality of economic...

In the library of the new approved normal four-year university, how to deal with the change of direction of running a college, of function and the structure of the subject construction, etc. is very important. The writer surveyed some libraries in the university famous in economics major and looked into...

Vocational training objectives of the teaching system is to train modern professional skilled personnel to adapt to the rapid development of modern technology. University teaching system should be compatible with the use of modern teaching methods to develop and produce closely related to teaching. Some...

The rapid development of the economy and the further opening up to the outside world, as well as the country in the industrial structure adjustment continued to force, the exhibition industry ushered in the development of the spring. Every industry in the process of rapid development will encounter problems,...

"Jiediqi" belongs to the northern dialect, has long been used among the folk people. In recent years, with the popularity of social networking in the country, it is now widely used in all fields of society. But there is no corresponding entry of "Jiediqi" in the traditional authoritative dictionaries,...

Ever since practicing the policy of reformation and opening, the economic development of Guangdong province has roughly experienced the three stages: the take-off stage (1979-1991),the accelerating development stage (1992-2002) and the scientific development stage (2003-now). Guangdong Province has made...

This document demonstrates that current situation and development prospect of the journalism & mass communication education. There are three essential issues in present journalism & mass communication education to confront: the balance between theory and practice, discipline identity, globalization influence....

Border crossing which is set up in adjacent border areas as main door of foreign exchanges by a sovereign state according to the policy needs. due to the unique geographical location and rich natural resources, Border crossings have very important strategic position in the economic development of China....

Nowadays, Internet of Things (IOT) is used more and more widely, and exhibited a sustained hot situation. IOT is China's strategic emerging industries, involving computer control, wireless communications, optical communications, network, software, information security and other fields. Colleges and universities...

Among all the Chinese universities, engineering colleges are characterized with strong, distinct and industry-oriented disciplines. However, the classification and transformation of different colleges leads to apparent gap between engineering universities and their comprehensive counterparts, especially...

This paper aims to show up the present situation of oral English in the contemporary students of medical majors, explores the causes of its formation and proposes strategies to enhance oral ability of students of medical majors. We do a survey to 368 medical majors' undergraduates who come from five...

With the implementation of national strategies such as "One Belt and One Road" and "double first class", it has put forward unprecedented requirements for the cultivation of talents and international communication in universities. Local universities should pay fiercer personnel to grab the battle, use...

Opening, sharing and efficiently managing scientific instruments can increase their utilization and specialization. It also attaches great importance to optimizing resources allocation, enhancing the capacity of independent innovation and quality of the scientific research in universities. We should...

After the Revolution of 1911, women's desire to participate in the administration and discussion of state affairs became increasingly stronger. In order to adapt to the tide of women's liberation in the new era, many women's School of Law and Politics or seminars sprung up. Sichuan Provincial School...

Now it is the consensus of universities and colleges nationwide to launch teaching reform through positive innovation and entrepreneurship education. Cultivating the consciousness of innovation, entrepreneurship and practical abilities of the college students and encouraging them to start their own business...

The Chinese Yuan drama is featured by the dramatic and humanoid figures created. The characters in Yuan drama are full of characteristics and vitality and burnish the value of Yuan drama. The dramatic characterization in Yuan drama is achieved within a role system featured by Danben and Moben script...

In recent years, the competitions among financial institutions have become more and more intense. In such a case, financial institutions’ demands for talented persons with solid financial engineering expertise are increasing day by day. At the same time, considering that risk management is one of the...