A sensitive data encryption system is proposed. The sensitive data will be obtained through the data acquisition platform, the digital certificate will be issued through the CA system, and the sensitive data can be encrypted effectively through the key management system and the encryption machine cluster,...

With the development of electric power communication network, SDN is gradually introduced in the next generation electric power communication network. The application of SDN in power data center is analyzed, and architecture of power data center based on SDN is provided, finally two ways of evolving...

In modern society, increasingly more emphasis are put on landscape greening rehabilitation, which significantly improves our work and living environment and is good for our health. However with its amount increases steadily, green waste inflicts some damage on the ecological environment, and hinders...

In the global tide of artificial intelligence, China has its own specific opportunities. Since the financial crisis, with the market environment, technological progress, factor conditions, the accumulation of capital and other major changes in the situation, China's industrial sector has emerged the...

With the development of automobile consumption increasingly civilians, how to choose a good family car has become a topic of growing concern. In the course of our purchase of cars, the appearance, performance and safety of the indicators are considered. In order to improve the dynamic performance of...

We used the characteristics of the birds' wings, the blades of the fan are improved, and several factors that influence the noise of the bionic leaves are experimentally analyzed. Finally, the striped width of the leaves, the stripes of the leaves and the thickness of the leaves are taken as factors...

According to the characteristics of geometric and non - smooth surface of soil fauna, we improved the mathematical model of the existing bionic moldboard,and constructed the optimization model of combined convex hull and corrugated bionic moldboard. In this paper, the convex hull of the mantis and the...

IPv6 has a massive address, multicast ,neighbor discovery, auto-configuration, service quality, removable and many other new features, as the core technology of the next generation IP( Internet Protocol). IPv4 to IPv6 transition is imperative. This paper discusses how to achieve a smooth transition from...

This paper analyzed the vertical transferring process, mechanism and model of Pb in Jiaozhou Bay based on investigation of Pb in surface and waters in different seasons during 1979-1983. Results showed that the Pb contents in surface waters were changing with seasons within year, and Pb contents in bottom...

In today's era of rapid development of science and technology, the various disciplines have made considerable progress, at the same time, the subject and the crossesbetween subject and discipline are more and more ,and this cross becomes more and more complex and diverse. Among them, the mechanical and...

There is no rational distance metric for nominal variables in traditional kNN classification algorithm. And the weighting methods commonly used in kNN cannot process datasets with multi-type variables or depend much on the field knowledge. An improved kNN method based on conditional probability and QPSO...

As the fast-development of artificial intelligence and modern medical technology, the real-time monitor of vital signs of critical ill patients has become a hot topic in the field of medical research, and receives a wide range of attention. hereby present a new anomaly judgment method of vital signs...

In the process of tunnel excavation, in order to ensure the error between the direction of travel and the designed tunnel axis within required range, the relationship between the position of the shield and the designed axis of the tunnel should be monitored and measured in real time. The laser displacement...

The analog signal power amplifier module is an important component of relay protection tester. As is known, most of the analog signal power amplifier modules employ single output loops to achieve the output accuracy regardless of the output current, which may lead to large capacity, low efficiency and...

At present, the report format of relay protection tester's traditional simulating calculation is not uniform, and can only provide a simple failure analysis of the power grid. As for the RTSD that can carry out complex analysis, theoretical requirements are too high and the price is very expensive. Aiming...

With the development of rocket technology, the demand of large draw ratio rocket with big carrying is improved. In this artical, for the purpose of optimization analysis of large draw ratio rocket's dynamic modal characteristics, a finite element model is established firstly. Then the structure of the...

In order to study the trust model further, and solve how to establish the trust relationship between the entities, in this paper, we classify and summarize the trust model in the current distributed environment according to the different application fields, and analyze the existing trust model under...

The flexible inflatable wings has become a hotspot with its unique advantages such as the lightweight, portability, small folding volume, fast response, low cost and so on. But because the significant geometric deformation of the flexible film appears under the inflatable pressure, which seriously affects...

This paper is based on a platform of business convergence, this paper designs and improves the access of the wireless dispatch communication network and other mobile communication devices (such as walkie talkie, etc.) based on the wired dispatch communication network to form a command and dispatch system...

This paper researched the license plate recognition system based on video image processing. In the pretreatment process of license plate recognition, the paper uses image gray, gray stretch and a series of processing methods of image processing to process the license plate. In the license plate location,...

since there is a problem that commanding communication have different kinds of terminals and the existing system to guarantee voice commanding communication cannot be "one-size-fits-all", this paper, under the condition that the dispatch terminal is as the relay and the current dispatching system is...

Image transmission is an important way to check how the tasks are progressed, which is also an important step of communication guarantee. In this paper, by studying the cases encountered by communication guarantee and by the analyzing real-time video transmission (real-time video transmission relies...

We propose an advanced authenticated encryption with associated data (AEAD) scheme called FCM (compression Function/Counter Mode) based on a compression function required to be a pseudorandom function (PRF) against related key attacks. FCM adopts the stream cipher generated by parallel compression function...

In this paper, a kind of noise reduction algorithm is proposed based on wavelet shrinkage technique to acquire heart sound signal while no distortion. Firstly, Haar, Daubechies, Symlets and Coiflets orthogonal wavelets were studied and according to the statistical results, Coif5 wavelet was chosen for...

The existing attack detection methods cannot extract attack of industrial control system(ICS) correctly. In the view of that, we analyze the characteristics of ICS and proposes an attack detection method of ICS based on multi-dimension abnormities. First of all, we divide hosts into multiple dimensions...

The granular computing is a methodology aiming at simulating the process and structure of the human cognition in the world. A new promising clustering algorithm, the density peak clustering (DPC) was proposed recently, which whereas, just takes procedures at a single granularity and could be conditionally...

In real-time data warehouses, data updates are no longer implemented in a periodic way during the idle time, but continuously ongoing. Thus the scheduling of updates and queries becomes a key issue. This paper proposes a load scheduling algorithm based on QoS parameters of query tasks. First, the paper...

In this paper, we make a research on a widely-used SAT solver, Minisat, aiming to improve its performance using coarse-grained parallel method on multi-core and multi-platform. Firstly, we parallel the Minisat by mean of OpenMP and test its performance with different threads by running a test set consisting...

Audio feature extraction is a very important technique in the field of sound processing. It extremely impacts the effectiveness and correctness of sound recognition, sound verification, etc. It is a computation intensive stage in the whole sound recognition process, which is a challenging for acceleration....

With the continuous development of Web technology and the sustained popularization of the Internet, the security problems of the Web has been attracting more and more attention from the network workers. According to the OWASP (Open Web Application Security Project), XSS (Cross-Site Scripting) has been...

The increasing proliferation of social media results in users are forced to ascertain the truthfulness of information that they encounter from unknown sources using a variety of indicators. In this paper, we propose a novel method to rank credibility of users in microblog social network. Microblog social...

A vessel motion statistical learning based on stored AIS data is proposed in this paper. This paper divide the region of interest into a uniformly sized grid, and analyze the stored AIS data messages according the vessel's position and index the motion information into the unique grid. The sailing state...

The extended target is characterized by common centroid kinematic state and extended information, extended forms not only can be treated as a state to be estimated separately, including the size, shape and direction information will effectively enhance the performance of filter with proper use. For this...

Elbow movement disorder is one of the common diseases affecting the daily activities of patients. Augmented Reality (AR) technology fuses the virtual information generated by computer with the real environment, keeping the patients' real-world feeling and also helping to training evaluation. This paper...

The fault diagnosis of complex electric power systems in marine is very complex and hard, in order to prohibit or further reduce the misoperation after the faults occurring of complex electric power system, the model based on weighted degree of grey incidence of optimized entropy and fault diagnosis...

This paper discusses the development problems of civil military integration equipment procurement and analyzes the necessity and the main focal point of civil military integration equipment procurement. The equipment procurement institutional mechanism is studied according to the development requirements...

Based on the theory of time series analysis for the definition of FARIMA model, we generate time seriesin accordance with the FARIMA model, and measure its Hurst exponent and fractal order by using R/S analysis method. The experimental results show that the Hurst exponent used to generate the series...

The helmet is widely used in industrial production, in order to prevent accidents, ensure production safety, the establishment of automatic detection of helmet and alarm system becomes more and more urgent. We use intelligent video recognition technology to realize the recognition of the helmet, by mapping...

Many researches have been carried out on the influence of cracks and corrosion rate. There are two conflicting viewpoints on whether the crack width limits are objectively valid to reduce the corrosion rate; One is thatwider crack accelerate corrosion rate, while another opposing opinion is that the...

Solvents have an important effect on the epoxidation of propylene catalyzed by TS-1. Through the experiment, this paper analyzes the effects of concentration of H2O2 and the addition of methanol in small amount on the propylene conversion, PO selectivity and H2O2 utilization in order to provide some...

Polyaniline is widely used in many fields due to its many advantages such as easy access to raw materials, simple synthesis process, good chemical properties and environmental stability. In this paper, the synthesis methods of conducting polymer polyaniline are discussed firstly. Then, the conductivity,...

Graphene has become a hot topic in the field of materials because of its excellent properties and unique two-dimensional structure. In this paper, the preparation methods of graphene are reviewed and the advantages and disadvantages of each method are analyzed. The mechanical, optical, electrical and...

The multistage centrifugal pump is mainly used for urban water supply and residential water, which not only achieves excellent hydraulic performance, but also has higher requirements for noise reduction. This paper focuses on the calculation of the hydrodynamic noise of multistage centrifugal pump, including...

We use the nanoimprint lithography to construct nanostructure on the surface of double metal Au electrode. Through the analysis of the influence of different processing parameters on the machining dimensions, we can arbitrarily control the structure size of the nano-pattern. By natural oxidation in air...

Objective: To make a study of the key factors from the Src to the nuclear transcription factor ERK signaling pathway as the target and to explore the role of DEC1 mediated ERK signaling pathway in cervical cancer and its mechanism. Methods: On the basis of screening DEC1 positive cells, the Hela cells...

Dark matter is one of the hot spots in the astronomy, but the stand model of the particle physics can't provide a proper candidate of dark matter. There is also a contradiction between the initial little Higgs model and the accurate measurement of weak current. Therefore, the scientists introduced T-parity...

The big data tide is sweeping the globe and becoming a new kind of productivity. The big data technology not only means access to large amounts of data, more importantly is through the analysis and integration of massive data to get the valuable information hidden in the data. And as a new way of thinking,...

Objective: To make a study of the effects of EGCG on learning and memory abilities in mice with Alzeimer's disease. Methods: The mice were divided into normal control group, model control group, brain repair group, low EGCG dose group, middle EGCG dose group and high EGCG dose group. We use the evaluation...

In China, the information industry make progress of China's computer technology is also a step by step, about the exploration and application of image processing especially prominent, in particular, real-time image processing technology has been more attention. How to deal with massive data in real-time...

Aiming at the disadvantage of slow convergence and low efficiency of genetic algorithm, ant colony algorithm is easy to fall into the local optimal solution. The optimization of PID parameters based on ant colony genetic hybrid algorithm is proposed. At last, in order to prove the effectiveness and feasibility...

Computer communication network is widely used in all walks of life, which greatly facilitates people's work and life. However, at the same time, the security of the computer communication network also brings many negative effects to people. This paper discusses the common problems of computer communication...

Flexural fatigue behavior of a cross-ply laminated carbon/carbon composite had been studied. The results showed that fatigue behavior and residual strengths of the composite had a close relationship with the maximum applied stress level applied in the fatigue test. In the case of the stress level higher...

The rapid development of artificial intelligence technology has formed a systematic trend and gradually constructed an intelligent technology environment, which will have a great impact on human life style. The systematic development and popularization of artificial intelligence will deeply influence...

The Internet, mobile communication and all kinds of new wireless application technologies have greatly changed the internal operation model and external transaction model in traditional enterprises and big data has become a valuable resource for enterprises. Cloud accounting comes into being, which is...

Accidents on horizontal curves cause a significant amount of pain and suffering to those involved in the accidents because of the nature of the collisions. Curves are necessary and important elements of every highway. Implementing strategies designed to improve the safety of horizontal curves will help...

Personnel files management is the fundamental work of human resources management in colleges, whose modernization and informatization construction should have a significant role in promoting human resources management in colleges. However, currently, the construction of personnel files informatization...

In modern society, tennis has not only become one of the most popular sports, but also been included in the Olympic sports, which shows its particularity. Serve technique plays a significant role in tennis sports, which is even a weapon for success. However, according to the actual situation, Chinese...

Jump techniques of five left-side-hitters (who had participated in the China College Volleyball League) are observed and tested by Telemetric EMG testing instrument, Common Speed DV and Synchronizing signal generator. Based on the extensive and interdisciplinary analysis on sports anatomy, exercise science...

In this paper, the performance of biological method for the purification of high concentration formaldehyde waste gas was studied. The experimental results show that when the concentration of formaldehyde in the exhaust gas is from 100mg/m3 to 350mg/m3, the removal efficiency increases, and the removal...

The practicability of the neural network is often affected by the network structure, needing optimization. We introduce the genetic algorithm into the simulated annealing algorithm to propose a new algorithm named the simulated annealing genetic algorithm, which combines the advantages of the two algorithms....

At present, China's economy is developing rapidly, and the problem of traffic congestion is becoming more and more serious. This paper designs an intelligent traffic light system, which can effectively alleviate the traffic inconvenience. Firstly, the paper introduces the whole design idea of the traffic...

Optimizing the energy structure ensuring the reliability of power supply and improving the utilization of renewable energy sources are the primary objectives of micro-grid power planning. This paper takes wind / light/ storage micro- grid as an example , defines the concept of metabolic capacity to describe...

Smart building is the inevitable trend of future architectural development. This paper first introduces the concept of smart building, and then gives the concept and characteristics of BIM. Using these characteristics of BIM technology, we can effectively improve the safety, energy-saving, efficiency...

Objective: To evaluate the accuracy of CT in the diagnosis of esophageal fistula (Anastomotic leakage). Methods: Retrospective analysis of 186 cases of suspected postoperative esophageal postoperative intracavitary AL patients, 70 cases take oral 60% compound diatrizoate (contrast agent) CT examination...

In this paper, the near infrared spectroscopy analysis technology, combined with the traditional appearance of quality testing and chemical analysis methods, the establishment of red date quality characteristics of different quantitative digital calibration model. Based on the accumulated data of red...

The seismic signal denoising is to extract useful information from seismic data, remove interference noise and improve the signal-noise ratio to lay the foundation of subsequent treatment of the seismic data. The paper gives the basic principles of the curvelet transformation and puts forward the method...

In this paper, first of all, how to realize the real-time positioning of the robot by the inertial sensor was discussed. Secondly, how to realize the real-time positioning of robot by visual sensor was discussed and researched deeply. Finally, combined with low-cost inertial measurement unit (IMU) in...

This article mainly introduced the desulfurization effect of different desulfurizer on coal under the same condition. The results showed that: in the single metal oxide desulfurizer, CaO desulfurization effect is obviou; the compound desulfurizer ZnO-CaO desulfurization effect is best, and the two classes...

Since 2006, the labor market in China continued to increase a lot. Based on the analysis of main factors which affecting the labor market, this paper uses BP neural networks based on BFGS to forecast the labor market in China. First of all, dealing with the initial data, try the best to meet the requirements...

Disc pad for vehicle rear axle application has one critical requirement -- static µ. Static µ is the key factor for vehicle parking on slop with hand braking only. How to simulate vehicle hand braking and rear axle working principle, programming for vehicle disc pad static µ test by Dynamometer is necessary...

This paper analyzes the image of the marginalized other animals in Coetzee's works by analyzing the images of animals commonly found in Coetzee's works, combined with ecological criticism and ecological feminism, and interprets Coetzee's ecological ethics and morality view.

In this paper, first of all, how to realize the real-time positioning of the robot by the inertial sensor was discussed. Secondly, how to realize the real-time positioning of robot by visual sensor was discussed and researched deeply. Finally, combined with low-cost inertial measurement unit (IMU) in...

Cheongsam is a typical traditional costume in China, and the handmade craftsmanship has also become a national intangible cultural heritage, whose inheritance and development are an important task facing we face today. Based on the induction and analysis on the main part of the characteristics of Cheongsam...

In the current era the network technology is developed, the design and application of paperless examination system using the network technology has become a reality. This paper will introduce the paperless examination system design and application process in detail, help people to better master and use...

With the rapid development of computer technology, the extensive application of digital media technology in art design field, it changed from the most primitive hand-painted production to the modern high-tech computer software to achieve the best results. The role of digital media technology has spread...

With the rapid social and economic development, people's living standards and quality has been significantly improved, the requirements of clothing has also improved for the modern society, the clothing is not only used to cover the body or a means of cold, it is also an important tool to show temperament,...

Wooden handicrafts are more and more loved by the people in the contemporary, and are introduced into foreign markets as a representative of Chinese culture, caused a big sensation and became the material carrier conveying the Chinese traditional culture. In modern society, exploring and analyzing its...

At present, due to the rapid development of computer technology, the overall development trend of image processing is based on digital processing (unless otherwise noted, the image processing described below defaults to digital image processing), because this method has high processing precision , Gray-scale...

Distribution automation is the necessary means and shortcuts to improve distribution network power supply reliability, security and service quality, improve work efficiency, reduce operating costs. Based on the development of distribution automation, this paper develops the fault recovery system of distribution...

Cauchy criterion is widely used in mathematical analysis, is the basic theory of mathematical analysis. We prove the Cauchy convergence criterion by using the interval proof theorem and the compactness theorem. In most of the research results, the basic theorem of the real number system is proved in...

In this paper, the Rolle theorem, Lagrange theorem and Cauchy theorem and its geometrical meanings of the multivariate functions are given. The n-th order mid-theorem of the multivariate functions is also given.

Computer network communication problems often occur, mainly by the computer virus infection, or hacking these two categories of computer intrusion. But the network security problem is not just these two, computer viruses and hacking means constantly changing, so maintain the network security technology...

Now the system is getting bigger and bigger, a system requires a lot of functions to complete, so software reuse and integration has an unusual significance. Component model is a new generation of software development logo. In order to improve software productivity, not hastily developing applications,...

Cirrhosis of the esophagus in the stomach of the vein prone is to variceal bleeding and bleeding, which is the most common gastrointestinal bleeding. Cirrhosis of the digestive tract bleeding is an acute and severe internal medicine, one of its rapid onset, rapid progress, large amount of bleeding, serious...

A At present, the treatment of functional dyspepsia (FD) is not satisfactory, and efficacy-related factors of less research, in order to alleviate symptoms and improve quality of life, this study tries to evaluate the efficacy of functional dyspepsia related effects factor.

With the continuous improvement of the national level of information technology, especially the rapid development of Internet technology, IT database system is more and more widely. However, the database system data storage and extensive sharing of features, making the database system security issues...

Based on the topological structure of the network, this paper calculates and analyzes the degree of the multi-center network of urban agglomeration based on the measurement of the regional integration of each urban agglomeration, from the aspects of density, intensity, symmetry, hierarchy and network...

The application of fuzzy reasoning and neural network in information fusion has its own merits. In contrast, the advantage of fuzzy reasoning lies in its strong ability of knowledge expression, its internal model structure and reasoning results are easy to understand, the disadvantage is that learning...

The dynamic model of multibody system is one of the main contents of dynamic study of multibody system. The dynamic mathematical model can be divided into two categories, the first one is a simple second order differential equation; the second one is Differential - Algebraic Equations. As for the solution...

The research of this paper is of theoretical significance. Bankruptcy probability is an important basis for insurance companies to measure the risk, help insurance companies to prevent and resolve financial risks. Bankruptcy theory as a risk theory of the main research topic, of course, requires consideration...

In the body due to some exogenous factors and endogenous metabolic processes, leading to oxygen molecules produce reactive oxygen species. In the normal metabolic process, reactive oxygen intervention is harmful, reactive oxygen species within and outside the cell to initiate a variety of biologically...

This paper briefly introduces the basic concept of artificial intelligence technology and points out its application in power system. The basic conceptions of artificial intelligence technology such as expert system, artificial neural network, fuzzy theory, genetic algorithm and so on are introduced...

Maintenance management is an extremely important part in the work of electric power communication net, it's the key to guaranty stable operation of the network. This paper proposed that communication maintenance management based on fault early-warning analysis, used big data technology, and combined...

With high voltage network as the core, the coordinated development of all levels of the grid, unified strong smart grid construction, the demand as a foundation for power grid intelligent base support of power communication transmission network development at a high speed. The expansion of the scale...

The substation automation system based on IEC61850 standard supports free distribution of functions and its reliability is closely related to the distribution mode of its functions. The realization principles of functions' free distribution are introduced and the method of reliability evaluation of substation...

This paper presents a condition maintenance control method for electrical equipment combined with the advantages of cloud model and TOPSIS method improved by grey correlation degree. The cloud model is used to overcome the fuzziness and randomness of evaluation language set in the decision-making process....

Firstly, making the equivalent problem and transform the problem into "The evaluation of the surrounding roads in the district to increase the intersection and a certain way after the connection, the surrounding junctions and road sections of the impact of the situation." And then we constructs a comprehensive...

In this paper, we model a metric for measuring the success of smart growth of a city and apply it to a mid-size cities. In the first step, we develop a metric A to measure the success of smart growth of a city using Analytic Hierarchy Process, including 5 facets: Intelligent development level, economy,...

In this paper, the location optimization scheme based on stepwise screening method is put forward to assist the Zambezi River management. Firstly, we evaluate three options based on multivariate analysis and find that the third option is the most appropriate one. Then we analyze with improved Analytic...

Space debris, dispersed in space densely, has become a hot global issue since collisions happened increasingly. How to develop a time-dependent model to remove debris and benefit from this project is a rare commercial opportunity for private firms. Firstly, cost analysis and planning is one of the most...