Statistics and analysis mainly use distributed database or distributed computing cluster to analyze and classify the massive data stored in it. The main features and challenges of statistics and analysis are that the amount of data involved in the analysis is large, and the system resources, especially...

Zigbee network can be used to Digital Community Monitoring System, Personal Positioning Method is the important component of the Digital Community Monitoring System. On the basis of studying the RSSI and Trilateral-weighted centroid localization algorithms, we proposed a improved RSSI algorithm. On a...

Common forms of cloud storage can be divided into distributed file systems and distributed database. Among them, the distributed file system uses large-scale distributed storage nodes to meet the demand of large files stored. The paper describes big data acquisition and processing key technology based...

This paper studies the wavelet transform domain in low-frequency generation embedded SHIRCT transform complete color image compression algorithm. The results show that this algorithm can be very good to complete image lossless compression, by 12 color international standard test image simulation, JP2,...

Using the Visual Studio and MATLAB to carry on secondary development in Pro/E and complete the robot motion simulation system. Robotics Toolbox is used to establish the dynamic model of steel cutting manipulator ;Through the joint development of the Visual Studio and the Pro/E, we can import robot model...

Laboratory data acquisition monitoring system is designed for a school laboratory developed, solved about the problems such as data acquisition, real-time monitoring, alarm, greatly improving the work efficiency, and improve the accuracy of the testing data and real-time performance. This paper expounds...

This paper used SolidWorks to design solar powered electric bike structure. By comparing and verifying the possibility of several installation methods, the program determined that the solar panels is placed in front and rear frame and that the solar tracking device is installed. And the structure interfaced...

Bluetooth communication technology is becoming more and more mature, and it is suitable for wireless communication in short distance. Especially suitable for networking. And Bluetooth both sides to communicate, must use AT instruction to set, and its communication rate, Internet Password and so set to...

In order to compute trajectory of three variables real-time linear algebraic Hybrid Automaton, three dimensional over approximate flow pipeline volume algorithm for three variables real-time linear algebraic Hybrid Automaton is proposed. Firstly, it defines the three variables real-time linear algebraic...

LTE is the largest new technology research and development project initiated by 3GPP in recent years. With the improvement and maturity of LTE technology standards and the operators on the LTE investment increasing, 4G terminal products have appeared and the scope of its application is more and more...

Camera technology is widely used in face recognition, color recognition and graphic image recognition. But the amount of information is very large when the camera is collected, so it is necessary to use high-performance microprocessor for data acquisition, and to identify different objects with a certain...

As more and more variable resources and demand response resources being integrated in the power grid, the grid operation is experiencing increasing level of risk. The spreading of a small failure can result a big disaster in many large-scale electric systems. Failure modes and effects analysis (FMEA)...

The one-way valve of a certain type of airborne pod is discussed in detail; especially a lot of people are concerned about expanding process of shaft. It can not only provide the basis for the optimization design and manufacture of the product, at the same time it also can improve the structure process...

As large-scale electric systems becoming more and more complex, the risk probability is also experiencing a higher trend. This paper presents a novel risk analysis method from the perspective of complex network theory. By focusing essentially on the topological structure properties of the electric system...

An investigation on energy band structures, density of states, elastic coefficients and Debye temperature of CuInS2 and CuInSe2 at ambient pressure were conducted via first-principles calculations based on density functional theory (DFT). The results show that CuInS2 and CuInSe2 are direct band gap semiconductor....

With the development of information technology, more and more consumers tend to use the network platform to release or search enterprise products, brands, services and so on. Under this circumstance, this paper selected the influence of Internet word of mouth (IWOM) on consumers' purchase intention as...

The main research contents of this paper include the following two parts: In the first part, the form characteristic of data source is analyzed. Through the analysis of the distribution of published papers can be found from 2001, 2002 and 2003 are only 1 articles in HowNet data platform, from the beginning...

Intelligent manufacturing was proposed in many Western countries as early as in the 1980s. With the development and improvement of the information technology, the speed of intelligent manufacturing in China has been significantly improved. Intelligent manufacturing has been applied extensively in various...

For the seismic data with low SNRs, the first arrival automatic picking method is very important but difficult. In the paper, we proposed a new method based on the mutual information in information theory. The mutual information between signals and noises is zeros, thus random noises have less effects...

As big data has become a national strategy in many countries, China's local governments are aware of the political significance of big data, social value and economic value. For the purpose of helping the local governments to accelerate the pace of development of big data, this paper adopts the method...

In order to understand the calculating difference between the multi-body rigid model and the flexible-rigid coupled model, especially the influence of the high frequency vibration caused by the wheel our-of-roundness(OOR) on sperling index and vibration acceleration response for standard wheel, polygon...

This paper designs the postgraduate information management system for the information of postgraduate management in university graduate school. Through the development of the Spring framework, the system function module is analyzed, the overall architecture of the system is designed, the database design...

Energy internet emphasizes the entities to be interconnected and shared, where home energy management is an important constituent entities, the system need to consider the energy information of supply and demand in both the side of energy production and the side of load in order to realize the precise...

Mass entrepreneurship and innovation is an important development strategy put forward by our country. "Double hit" era is not only to promote China's economic development of a good medicine, but also push the important changes of value orientation and cognitive development. To achieve product technology...

Object: This paper is concentrated on soil body's stability and economy of the shield end and its reinforced thickness. Methods: Existing elastic thin plate model was too conservative for design. A modified elastic plate model of the thickness was proposed for calculation. Based on elastic finite element...

This paper studied the relationship between the spindle fault and the roughness characteristics, by surface roughness of machining. Spindle common fault is divided into the spindle system is not balanced, the spindle system is not right, the spindle system has a transverse crack and the spindle system...

Using the Internet to transform the tourism model and enhance the ability and experience of online travel service is an important measure to develop the Intelligent Tourism in many places. For empirical analysis, a panel data model was set up based on the relationship between Internet resources such...

Power Line Communication (PLC) systems suffer from too severe noise contamination in the channels. In the paper, a new scheme was proposed based on the principal components analyses(PCA) to mitigate noises in PLC channels. The scheme consists of four steps. In the first step, the PLC signal with one...

Traditional PC is not convenient for students managment teacher. And native smart phone including android and ios is high cost of development. This paper analysis design and implement HTML5 coross platform students basic information query system. It help studnet mangement teach quickly get student baisc...

With the high-speed development of contemporary communication industry, Metropolitan networks is required to be a multi-Service platform for transmission. This article introduces the application of two key technologies, PTN and MSTP from the point of application, and the development process and construction...

Improving the quality of teaching is the ultimate goal of long-term pursuit. The quality of teaching is related to the social reputation and the source of students in universities, thus affecting the existence and development of such universities. This paper analyzes index system of the teaching quality...

Since the outbreak of global financial crisis caused by the sub-prime crisis in the United States, the world economy is still at the recovery phase. China has also been deeply influenced. In recent years, China's GDP is growing up slowly, while the general economy is falling down. Under such big market...

[Purpose/significance] 4G network is more and more popular in many libraries because of its convenience and timeliness, with the upgrading of 4G mobile network communication technology and the deep development of Digital Library. [Method/process]In this paper, in order to satisfy readers' demand for...

The excitation controller is an important part of the synchronous generator excitation system, which is important for the safe and stable operation of the power system and generator.In this paper, a DSP excitation controller based on TMS320F2812 is proposed based on the current research situation of...

This paper solves the problem of how to calibrate the parameters of a CT system with a structure-known template. We used the method of radon inverse transformation. The calibration parameters include three aspects: the distance of the detector unit, the rotation center of the CT system in the square...

For the non-stationary signal, entropy is a good method of analysis, now has been successfully applied to the study of driver fatigue detection feature, now for the driver fatigue detection method is based on the piecewise independent samples, it is difficult to describe the gradual process of fatigue,...

With the rapid development of computer technology, network technology and communication technology and its extensive application in the field of education, the information construction of universities with the digital campus as a landmark project has been developing rapidly. Through the integration of...

Student evaluation is an important element in the teaching process. Student evaluation contains many elements, the most important is the evaluation of its results. But the test scores can not dynamically respond to a student's learning state. This paper presents a student achievement evaluation model...

Because of its superior mechanical properties and functions of good use,Steel is widely applied to building structures,bridges,vehicles,supporting frame, machinery and other various industries, and have a large amount of cutting.Due to the different cross-sectional shape and sizes of various steel,and...

This article Uses the more popular now unified modeling language UML for a type of school shooting Radar fault diagnosis expert system software to set up a general dynamic model, the system software design of the systematic, modular and thus greatly improve the generality, the standardization and the...

In recent years, smart vehicles have become the focus of research. Unmanned vehicles have been developed successfully, and automatic reverse lane and automatic side parking are part of the functions. With several sensors combined with high speed microprocessor, automatic reverse library function can...

Jones matrix is a useful method which is widely used in optical research. But there is no existing such matrix for the parallel beam splitting polarizer, because it changes both the direction and polarization of incident light. This document explains and demonstrates how to treat a parallel beam splitting...

In the research of intelligent vehicle tracking, more early is the application of photoelectric sensor, photoelectric sensor due to natural light, so the effect is poor. In order to improve the effect of using CCD, linear tracking, 128 dot detection algorithm to find the median black line, with the center...

In this paper, through the questionnaire survey, an empirical analysis of the influence of Internet word of mouth (IWOM) on college students' purchase intention for mobile phones is undergone. SPSS software is used for reliability, validity, correlation and regression analysis. Through the analysis on...

This paper analyzes the necessity of MOOC education information management system in the design of university MOOC education information. Through the development of MVC design pattern based on Web application, the system function module is analyzed, the overall architecture of the system is designed,...

Smart community at the completion of the mobile Internet, cloud computing, big data and IOT framework platform and infrastructure construction, how to better later in the community management and service in the role, give full play to its real smart community management services and better provide considerable...

Bohai strait subsea tunnel is an important part of east coastal traffic artery in China. According to the actual factors along the cross sea passage, full deep tunnel scheme is suggested in Bohai strait. The proposal planar line of subsea tunnel starts from Laotieshan cape of Lvshun, ends at Donggang...

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This thesis pays attention to the study of actual situation of China's large-scale farms. Additionally, the information management system of pigs' health and cultivation has been developed to strengthen management level of healthy pigs, prevent epidemics, ensure the products quality of pigs, raise the...

Academic resources have their unique characteristics, and they are important sources of information for teaching and research workers in universities. Too rich data resources make it easy for people to fall into the "information poverty" situation. In order to effectively promote the development of science...

Over elaborate procedure in security checkpoint may cause discomfort to both travelers and airlines. Based on analytic hierarchy process, we study how the traveler style may impact the security checkpoint process. We employ the method of Dimensional Analysis to determine a certain factor's importance...

At present most of the airport security cost a very long time. To relieve the tension between security maximization and positive flying experience, we describe the current security checking process by analyzing the time distribution of each step. We ignore those delay caused by happenstance to simplify...

Aiming at the problem of low-voltage protection of power supply in lead-acid battery system, a battery protection system based on voltage comparator is proposed. The simulation results show that the design scheme is feasible and simple, which can realize the safety protection of lead-acid battery. The...

Traditional invasion correction tornado charts for dual-induction log was based on the step-invasion profiles that is different from a realistic invasion process. The dynamic invasion correction charts can be obtained from the dynamic invasion responses of dual-induction logs. The invasion time was introduced...