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In order to solve the problem of shortage of funds for highway construction and maintenance, Public-Private-Partnership (PPP) has been widely used and the concession period is one of the core issues in the negotiation of the highway PPP project. The system dynamic (SD) method is adopted to model relationship...

To explore the influencing factors on the students of tourism information technology application study. Selection of knowledge sharing, knowledge interaction and other indicators, based on the field survey data, using the methods of structural equation, constructing the course learning factors conceptual...

The face of the current global climate warming background, the world have put forward their own energy-saving emission reduction targets. This paper studied the relationship between carbon emissions and productivity of the construction industry in long-term and short-term, respectively, by constructing...

In this paper we analyze and propose to the problems of the course of computer science teaching which are based to build the learning platform. We design a hybrid learning model based on computational thinking about computer science in order to achieve the self construction of knowledge truly for students....

We present a new method of investigating the so-called quasilinear strongly-damped wave equations in this paper, we concerned with the Controllability in a steady state for the Quasilinear Wave Equations with weak decay, and we use a so-called energy perturbation method to establish weak controllability...

In the context of rapid urbanization in China, the land market has become one of the focuses of the whole society. Based on the residential land transaction data from May 2006 to March 2010 in Hangzhou, this paper applies the hedonic price model of spatial econometrics to study the evolving trend and...

Based on spatial vector auto-regression model, this paper analyses the spatial and temporal diffusion of urban house prices in East China and examines the impact of price fluctuation of Shanghai and Hangzhou. The results shows that assuming Shanghai as the price diffusion center city, more than half...

With the growing development of electronic commerce, the business behavior of many traditional had better play in the Internet. Products transaction market can be said to be a typical example. Compared with the traditional trading model, online operation of commodities trading is more convenient, real-time,...

With the advent of the information age, the network is filled with all kinds of information and people in the vast amount of information are in the face of all kinds of confusion, thus data analysis has become a more difficult problem. Big data can solve this problem well and can greatly improve the...

At present, the global development trend of higher education in all countries is the development trend of international higher education, and the competition among countries is mainly reflected in the competition of high-level compound talents and comprehensive national strength. In order to adapt to...

Phonics exerts considerable influence on contemporary language education and the most of the society begin to pay attention to phonics and actively participate in this educational reform. It has been aruged that phonics instruction for the primary school students may be supported and underpined by the...

Pro-poor tourism as a strategic tool aims at alleviating the poverty of poor groups in poor areas. There are so abundant eco-tourism resources in Jilin province, but at the same time some state-level poverty-stricken counties are located in the enrichment area of these tourism resources. In this paper,...

Teamwork and collaborative practice are necessary tools in handling health problems and the importance of interprofessional teamwork is becoming increasingly recognized. The process of team development is a series of multilevel, overlapping responsibilities, which are intertwined with each other, and...

A single band E-Shaped Patch antenna with Defective Ground Structures (DGS) was proposed. The overall dimension of the antenna is (32*31.5*1.64) mm. This antenna produces bandwidth ranges from (2.3 to 2.5) GHz, which supports ISM band application. This provides reflection coefficient about -32dB respectively....

A polymer composite material is a two phase material made up of a matrix and reinforcement. The constituents must be considered appropriate proportions for the desired properties in the final laminate prepared. Compared to other manufacturing methods of making polymer matrix composites, Resin transfer...

Friction stir based processes are solid state processes which significantly contribute to joining/processing of materials and surface property enhancement. It replaces conventional joining/processing techniques owing to their unique features such as reduced distortion, reduced porosity defect, reduced...

AdaBoost is an ensemble method to construct a strong classifier with linear combination of base classifiers, which has been applied to relevance vector machine (RVM) for performance improvement. However, the combination of the RVM and AdaBoost can be overfitting in dealing with the noisy data sets because...

This paper analyzes the reason why the civil aviation enterprises attach great importance to service quality, but the passengers are not much satisfied. And then it puts forward a scientific solution based on humanism and interconnected intelligent equipment. The paper also defines the concept of a smart...

Aiming at the serious water hammer problem produced by check valve when the pump stops unexpectedly, an optimal method of using buffer cylinder to quick close check valve to reduce water hammer pressure is proposed. Through studying found that water hammer pressure is proportional to flow rate. And the...

Due to the nonlinear relationship between vehicle engine fault characteristics, traditional methods can not accurately describe the correlation characteristics between different features, it is very difficult to achieve accurate diagnosis of vehicle engine fault. In order to improve the accuracy of vehicle...

the state of vehicle engine is influenced by many factors. The changing characteristics are very complex. The current model can not get high accuracy vehicle engine condition monitoring results. In order to improve the monitoring precision of vehicle engine state, a vehicle engine state monitoring model...

A high-performance ultra-wideband (UWB) monocycle pulse generator is described in this paper. The pulse generator circuit is mainly composed of avalanche transistor, step recovery diode (SRD), Schottky diode (SD) and microstrip lines. The proposed circuit solution utilizes the avalanche effect of avalanche...

In this paper, we have developed an FDS that is a measure of national vulnerability. From the FDS, we can judge whether the fragile state of the country is fragile or vulnerable or stable. We use Fuzzy Analytic Hierarchy Process (FAHP) to construct an evaluation model to evaluate the vulnerability and...

In this paper, the life evaluation of inertial gyro components of information-based ammunition control system is carried out by using accelerated life test. The present research situation of accelerated life test technology is discussed, and the basic principle, shortcomings, the general process of evaluating...

Aiming at the problems of high cost, large volume of the PC image transmission and display system, poor backend portability, transmission delay of the image transmission and display system using network camera, an image transmission and display system of IP network camera based on SOC was designed. The...

In view of the running safety in elevator under earthquake, several damage forms of elevator are presented and its analysis model is set up. Then some earthquake protective measures for elevators are proposed. In order to inspect the seismic behavior of the elevator, the seismic simulated vibration test...

In recent years, with the acceleration of people's pace of life, the number of chronic diseases in China is increasing. The attention and investment of the country to the medical industry is increasing year by year. At the same time, with the maturity and perfection of data mining technology, many countries...

Weak signal detection is a multidisciplinary application of detection methods,which through the use of different methods to study and analyze the statistical properties of signal and noise, and use a variety of signal processing methods to analyze and process the input signal. Weak signals can be detected...

Response surface method(RSM) is one of the effective methods to solve the reliability problem of implicit structure. In this paper, a new weighting method is proposed based on the response surface method to solve the nonlinear problem. The weighted design method is used to determine the design point...

A random vibration fatigue test system developed by the company was used to conduct a random vibration fatigue test at a temperature of 25? /450? for a typical plate element of GH188 alloy, and the random vibration fatigue median life of S-N curve of GH188 superalloy at a temperature of 25?/450? was...

This paper aims to analyze the effect of open community system on road traffic. Based on the evaluation index system of the impact of community opening on road traffic, a space-time dynamic analysis model of vehicle traffic capacity is established to describe the urban road traffic situation. Firstly,...

In this paper, a method for the design and implementation of the Internet of Things (IoT) gateway is proposed. First, the gateway platform is built on BeagleBone Black. In the software design of the gateway, wireless sensor network mapping into a virtual device through the Lua scripting language, and...

In order to obtain the image information of go, we use the traditional method to process the image, but the traditional method has great limitation. The accuracy is low, and the external factors can easily affect the processing result. In order to solve the limitation of traditional image processing...

As an important means of communication, Morse has a wide range of applications in life such as medical treatment, radio broadcasts and so on. However, there has been no systematic method for automatic recognition of Morse codes. This paper designs a Morse code automatic recognition system that combines...

China Camellia fruit shell to mechanical machine has not been popular, especially in rural areas, this paper designs a kind of advanced and applicable Camellia fruit shell device, used to make more efficient fruit tea, Camellia fruit hulling machine, which comprises a shell, a cutting mechanism, tie...

The motor is considered as the carrier and driving the precision control of rotation speed of the fuze, which is an effectiveway to simulate the centrifugal environment of the realistic simulation fuze. In order to precisely control the rotation speed of fuze, motor is used as the research object, a...

High speed rotating control machine of fuze can use high speed motor produce effect of rotating centrifugal force under the laboratory environment to simulate the centrifugal force that the fuze received in the flight. The equipment can give a rotating test for the fuze to check its security and dependability.

Target detection and tracking of fire-control radar is the primary task of air defend combat and a key of fire-control system. First, wording process of fire-control radar system is analyzed. Then signal simulation modeling and mathematical modules are proposed. Finally, signal simulation of dynamic...

In this paper, a sliding mode observer (SMO) based on PLL and rotary coordinate is designed for sensorless control of permanent magnet synchronous motors (PMSM). By the proposed SMO algorithm, the control system has a better dynamic performance?And the rotor speed error, the estimated speed, the rotor...

In order to perfectly integrate the Internet of Things (IOT) and big data, the way how big data influences the construction of an open IOT ecosystem was discussed and the significance of big data for the Internet of Things was set forth. Also, the system framework of an open IOT ecosystem with advanced...

This paper mainly studies the effects of monthly production of iron and steel in eight cities in Hebei on the air quality of Beijing and Tianjin. First, this paper uses 10 cities to study whether iron and steel production has an impact on air quality, and the conclusion is that iron and steel production...

This article takes the non-bearing wall cast-in-place process as the research object, making comprehensive use of CFD analysis methods, CAE technology, ANSYS Gambit and Fluent software. the flow field simulation was carried out in the mixing section and the grouting process in the pouring wall process....

To explore the application of virtual experiment in physics teaching, the virtual reality constructivism, hybrid learning theory, interaction theory and the used techniques were analyzed. Then, the whole process of virtual experiment system from the design to the realization was explained in detail,...

Temperature and humidity automatic control system is widely applied in various fields more and more gets the welcome of people, because it can greatly reduce the human resources, and it has the characteristics of highly efficient and accurate. the temperature and humidity automatic control system based...

Under the background of the less connection between teachers and students in universities and the rapid development of the Internet, and according to the needs of students and teachers, the topic was to design and develop university research and academic platform prototype based on Android. First of...

Traffic lights play a significant role in regulating traffic flow. Due to the use of stationary phase and fixed cycle in traditional systems, it is not feasible to adjust the phase time to meet real-time traffic demand, resulting in delays, inefficiencies and other losses for traffic participants. This...

Customized bus, a new-type traveling mode in China, now has become the first choice for part of city residents due to its quality services. However, customized bus in China is still at the initial stage of exploration. Its route design and vehicle scheduling have not yet formed a unified methodology....

Since the lack of traffic control measures, it is necessary to provide the sufficient intersection sight distance to ensure the safety of driving at uncontrolled intersections. At present, the domestic and foreign design standards and specifications concentrate more on the dimensions of square edges...

To investigate the effect of collision parameters (impact area of hood, vehicle velocity, walking speed of pedestrian, pedestrian gait and pedestrian orientation) on the dynamics response and injury of pedestrian thorax by combining the merits of Finite Element (FE) method and analytical method of Multi-body...

The train schedule is the basis of operation organization in urban rail transit. According to the properties of the full- length & short- turn routing mode in urban railway transit, a multi- objective nonlinear mixed integer programming optimization model of train shedule for a single transit line is...