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In this paper, the power system blockset in Matlab/Simulink is applied to build a one-machine infinite-bus system to simulate the actual power system. The power system static stability will be discussed according to the severity of disturbance. Also simulation analyses and improvement measures will be...

Computer numerical control (CNC) and robotic welding have long been applied to industrial manufacturing in production lines. This paper introduces optimal control to layout the maneuvering sequence for a five-linked manipulator arm. Two- point boundary-value problem (TPBVP) is inevitable in most of the...

In order to understand the legal protection of intellectual property rights, a research on intellectual property protection management platform of digital resources based on artificial intelligence is put forward. Firstly, with the help of digital resources of artificial intelligence, this paper determines...

Fe-based medium manganese alloy coating was fabricated on 42CrMo steel surfaces using a synchronization powder feeding technique by 6 kW IPG laser apparatus. The microstructure and mechanical property were analyzed by X-ray diffractometer (XRD), scanning electron microscope (SEM), microhardness tester...

In recent years, with the attention of the state to culture and the improvement of overseas demand for Chinese culture, Chinese opera has achieved unprecedented development, and a large number of mature works have begun to go abroad to communicate with the outside world, and achieved good results. As...

This paper brings forward an experiment design for IPv6 routing&forwarding which based on the special IETF ForCES technology, with the goal of more flexible using of IP routing&switch theory, better acquainted about inner architecture of network device, more familiar with the new technology of network...

Global real estate investments have been one of the popular investment areas since developments in trans-portation vehicles among countries, significant reduc-tion in travelling costs, and suitable legal arrangements for purchasing real estates in a foreign country have made it attractive. This investment...

This paper propose a novel algorithm to detect the center and boundary of iris in face images of low resolution for gaze tracking system. The algorithm localizes the eye accurately by face alignments and uses convolution to detect the approximate pixel of the iris center which can determines the iris...

In the new economic development situation, it is of great significance to scientifically evaluate the high-quality development level of Chengdu metropolitan area for promoting regional coordinated development. This paper constructs the evaluation system of high-quality development of Chengdu metropolitan...

The projection pursuit method transforms the operational effectiveness index of Early Warning Airplane into one-dimensional projection value,giving the operational effectiveness order of AEW,and geting the weight of each performance index.The method is strong objectivity,it is of great significance for...

Requirements on encryption of web-based examination system were analyze, and different encryption technologies were used to meet the needs on three levels, including important data, core processing logic and some restricted functions. For important data, its confidentiality and integrity were realized....

The Topsis method is applied to evaluate the operational effectiveness of AEW.The method is a kind of analysis-decision method which commonly used in multiobjective decision-making of system engineering for limited scheme,it is a technique for order preference by similarity to ideal solution,and which...

Using the qualitative comparative analysis method, six condition variables were selected from the internal and external dimensions of the government to study the influencing factors of the performance of China’s provincial government service platform. The study shows that policy support is a key factor...

Logo retrieval in real-world scenarios has numerous potential applications in computer vision. Due to occlusion, illumination , non-rigid distortion and other reasons, the accuracy of feature matching in natural images is far lower than that in the print objects. For such a challenging task, a lot of...

Pass in the Wang Qing in Jilin province Jingouling forestry station to establish temporary study plot, carried on stem analysis, analysis spruce-fir wildwood growth process, discovered spruce-fir DBH for current annual increment at hit maximum for 50 years and 100 years, respectively is 1.14cm and 1.07cm.Height...

In this paper, to determine whether an economically attractive opportunity exists in space debris removal industry, we establish a Commercial Opportunity Evaluation Model. Based on costs, risks and benefits models, we formulate an evaluation function: COM=Benefits (1-Risk)-Cost. When is greater than...

Globalization has made the internationalization of institutions of higher learning inevitable, which has led to the Chinese and foreign cooperative school running program favored by the Chinese people. Undoubtedly, China's Sino foreign cooperative education program is mainly aimed at developed countries...

In cloud computing environment, pricing is an effective method for resource allocation and it provides efficient incentive for cloud providers to provide cloud services. In this paper, the author investigates two pricing schemes for the allocation of cloud resources in a monopoly cloud market subject...

With the increasingly strict requirement for computer system security, access control models have become more complex. Existing models, such as discretionary access control (DAC) model, mandatory access control (MAC) model, role based access control (RBAC) model, and attribute based access control (ABAC)...

In recent years, with the increasing pressure of employment competition, the society as a whole attaches great importance to education. The unified education standard has been unable to meet the needs of Chinese families for children’s education, which directly leads to the aggravation of students’ academic...

Because there are many factors affecting enterprise equipment management, the performance evaluation of equipment management is uncertain, and the existing evaluation methods are too subjective. In order to improve this problem, this paper proposes a new method of equipment management performance evaluation...

To ensure the efficient and high-quality construction process of major water conservancy projects, the innovative integrated control technology for dam construction materials in tropical regions is applied. An intelligent construction management platform applicable to the Maiwan Water Conservancy Hub...

In this essay, we mainly focused on how to predict the price of stocks. Our group studied Apple, Google, Microsoft, and Amazon stock prices. To solve the problem, we started with Recurrent Neural Network (RNN) to predict the stock’s price. Then, we used Long Short-Term Memory (LSTM) to grasp the pictures...

Based on the proteus simulation software, the paper realizes the individual timing and separated control on the transportation of Channel A and B with the 8254 counter and 8255 programmable parallel interface. The method of timing plus interruption control is adopted to count the passing time of vehicles...

The construction industry has a high incidence of safety accidents. To reduce the incidence of safety accidents and avoid the high casualty rate caused by safety accidents, safety training methods have been proposed. Research has proven that safety training plays an important role in reducing worker...

In order to keep sustainable development, water and soil conservation engineering is essential. Since the reform and opening-up, China has developed in various aspects, while water and soil conservation engineering is no exception. However, it's development is valued comparing to the history. There is...

In the big data network media environment, people have more and more ways to obtain information and become more and more convenient. As a ladder of human progress, books should attract everyone's attention, especially the reading of Chinese classics is of great significance to improve Chinese language...

In the Chinese-foreign cooperative program, the introduction of high quality education resources must adhere to is beneficial to the students' growth and development, beneficial to the improvement of the school ability construction and the overall level, is advantageous to the national economic and social...

The college counselors’ student management work is the university student management organization guidance the students, in accordance with the provisions of the education policy education standards, purposeful, planned, organized the students with all kinds of education, management and service, make...

With the all-sided development of the society, the integral application of cloud computing technology in computer teaching platform is critical. It can not only improve the teaching efficiency generally, but also improve the computing experimental teaching platform in all-around way. This paper mainly...

Intensification of the innovative development of the agro-industrial complex is currently becoming particularly relevant, given the considerable gap in developed countries in terms of labor productivity in the industry and the competitiveness of products. Technical and technological backwardness of the...

Although organization oriented paradigm is a promising way to design dynamic interactive computational systems in open and heterogeneous networked environment, there is still lack of a suitable formal approach to support this paradigm. RBA, a boxed ambient calculus extended with separated regulating...

In this paper, the 1082 orbits CCD camera data of Chang'e-1 satellite (2c Data) are processed and sorted, using professional remote sensing software such as ENVI ERDS NASA PDS Viewer etc. to generate the full moon image map. And the spatial resolution is 120m which lays the foundation for the census...

A pot experiment was conducted to study the effects of continuous shade stress during procreation growth stage on isoflavone and lignin accumulation in developing soybean seed. The results showed that continuous shade stress during procreation growth stage could improve the isoflavone and lignin accumulation,...

The coordinated management of corporate legal, compliance, internal control, and risk is not only an inevitable requirement of the policy environment but also an extension of the theoretical consistency among legal, compliance, internal control, and risk management. At the same time, digital intelligent...

In this paper, we conduct research on the relationship of objective environmental resistance and the Chinese medical students' professional identity in the universities. Vocational value is home to people the value of for a professional cognition and value judgment, it directly dominate people's professional...

On-orbit service (OOS) system based on Orbital Servicing Vehicle (OSV) is a complex giant system which needs an overall planning according to the analysis of its components and demands. Accordingly in this article, the target spacecrafts of the OOS system and their demands are firstly analyzed based...

This paper describes the fundamental theory of true 3D virtual reality which involves the theory of scene structure, modeling and scene construction. It presents the true 3D virtual reality development process, construction basic graphics library of 3D and simplified programming.

The 21st century is an age of information with constant development of computer network, which has brought much convenience for people’s life; while logistics is an indispensable part of modern people’s life. Since people are having higher and higher demand for quality of life, the traditional logistics...

Under the mass data background, the library and information field is connected with the mass data more and more closely. To reveal the library and information field's relation with the mass data and its future development trend, the library and information related mass data collected in the CNKI is taken...

From the perspective of the wisdom public security, this paper concludes the significance of case information Spatio-temporal analysis technology and points its important position in police practical teaching. Combined with the case information Spatio-temporal analysis examples researched in emergency...

College English class not only brings about the English knowledge to the students, but also can cultivate the cultural interest, cultural cognition and cultural habits of student by the means of cultural experience. In the implementation process of culture experience teaching of the college English class,...

The traditional double-rows sugarcane harvester channel hydraulic system adopt constant pump bypass throttle to realize the speed control of motors, which produces a lot of power loss during working in the field. Aiming at solving this problem, the system optimization method of variable pump controlled...

Iterative reconstruction (IR) techniques are able to provide better reconstruction results compared with analytic reconstruction methods in cone-beam CT (CBCT) with incomplete and noisy projection data. However, image reconstruction algorithm remains to be signi cantly time-consuming especially faced...

At present, enterprises are paying more and more attention to the source of fund and effectiveness and rationality of financing structure, as the optimal financing structure is crucial to the development of enterprises. The financing structure has financial leverage effect; the financial leverage effect...

The 150 tpd facilities of sewage sludge pump directly into precalciners was set up in cement plant of 3200 tpd clinker production. The experiment was performed at the sludge feed rate of 4t/h, 6t/h and without sludge. It was showed from that the use of sludge as alternative fuel did not affect clinker...

This article starts with solving the actual problems, raises the definition of unascertained rational numbers and the unascertained rational number method in the calculation of the gravitational acceleration, which implements the unascertained rational number in the application of the practical problems....

In this paper, a new filtering algorithm of LiDAR point clouds is presented, which can work well in complex cityscapes. This method generates marker image from grid DSM by erosion firstly, and then geodesic dilate on marker image repeatedly to implement opening by reconstruction process, finally white...

7-year-old trees of Ziziphus jujuba ‘Zhanshanmizao’ were used to study physiological indexes. Using SA spray the trees with different concentrations in January 30 th, 2017. Study the changes of water, Organic nutrients (starch, soluble sugar, soluble protein, and free amino acid) and antioxidant system...

This paper focuses on scaffolding and its application to college students' oral English with the point of view of constructivism. Taking the classroom teaching design of oral English class as an example, this paper discusses how to use scaffolding theory to organize college students' oral English teaching.