Search all articles

Wind turbine power curve essentially captures the wind turbine performance which shows the relationship between the wind turbine energy output and hub height wind. This paper presents a reasonable method to model power curve of a wind turbine, and compares with measured power curve based on IEC61400-12....

With the intensification of the competitive market, it is particularly important about how to effectively use competitive intelligence to analyze the current competitive situation of enterprises to improve their influence. This article selects Suning Tesco as the evaluation object. After discussing the...

Image characteristic value extracted by gravitational search algorithm improves the image retrieval accuracy. The distance between the image characteristic values is as the input value, accuracy of image recognition is calculated by pulse coupled network variates optimized of Gravitational search algorithm....

Traditional ranging model is not applicable due to the large ranging error under unknown environmental. In order to improve the ranging accuracy, this paper presents a new ranging model based on FUZZY – TS. The model analyzes the number of FUZZY rules and the parameters of the gaussian membership functions...

Many researches emphasized the importance of quality control in manufacturing engineering. But there are little researches in the civil engineering field. This paper pointed out that it is possible to apply process control method in construction quality monitoring based on information theory. It is possible...

Postgraduates at universities of finance and economics are special in student sources, social experiences, subject nature and training purposes. This thesis focuses on their status quo and characteristics in ideological and political education. It aims to put forward suggestions to improve and advance...

from the “Gan Da Lei” house building strategy which is aimed to meet the basic need during that material-lacking period in 1960s, for the booming development of concrete jungles of commercial residential buildings that comes with the reform and opening-up policy, the form of China’s residential buildings...

The purpose of this paper is to research Civil service incentive mechanism. Using the method of document study obtain related data in order to correctly understand the problem. Civil service incentive mechanism is an important part of the civil service management mechanism, which plays a positive role...

.The electric power transmission network management is changing from decentralized to province-centralized mode to adapt to the development trend of power grid. For the current hierarchical management situation of transmission system, the paper mainly studies the centralized mode. Considering the difficulty...

In rotor systems, especially high load-carrying bearing-rotor system, bend usually arises slightly across the shaft for different reasons, and brings out unexpected effects on rotating vibration. This article puts forward mathematical model on rotating vibration response of a rotor system with a bent...

Digital twin (DT) of large-scale transportation infrastructure plays an important role in the development of intelligent transportation system (ITS), and has become the current research hotspot of ITS. Traditional data fusion has done a lot for intelligent transportation infrastructure. However, it still...

2D to 3D conversion is an important task in 3DTV due to the lack of 3D contents. In this paper, we propose a novel framework of the 2D to 3D video conversion. The proposed framework consists of two main stages: depth map generation and virtual view synthesis. In the depth map generation, motion and relative-height...

A corpus-based analysis of English economic news discourse (10,808 words) is conducted to explore how metaphor and hyperbole are related. The research measuring the isolation and combination of the two tropes across word class shows that the figure of metaphor occurs more frequently in news discourse...

The Sino-Russian art exchanges are in a priority development position in the national art development strategy. Cross-border art exchanges and comparative studies are closely related to the country’s diplomatic strategies, cultural policies and other issues, along with the "the Belt and Road Initiative"...

The formal verification of properties of Hidden Markov Models (HMMs) is highly desirable for gaining confidence in the correctness of the model and the corresponding system. A significant step towards HMM verification was the development by Zhang et al. of a family of logics for verifying HMMs, called...

With the deepening of China's reform and opening-up, learning English has become more and more important in our life. With the development and improvement of science and technology, college English teaching also becomes more and more diversified. So with the wide application of multi-media, the combination...

The leakproofness of the submarine cable gland is of very high requirement, the traditional leakproof method can hardly meet the requirement more or less. In this paper, by researching the interference leakproof structure, we creatively applied the elastic leakproof ring into the submarine cable gland....

With the steady advancement of China’s “One Belt, One Road” strategy, China’s foreign trade business activities have become more frequent, and the number of transactions reached has increased. In a transaction, the importance of a foreign trade contract is unparalleled which is directly related to the...

For a conventional powered underwater vehicle, different use modes of power system have great influence on important technical performance indexes such as underwater range and underwater endurance time. First of all, this paper attempted to study the modeling method of the core energy module for the...

Setting up an expansion chamber in the local tunnel can accelerate the attenuation speed of the shock wave, which is of great importance for safety protection of the tunnel staff. Under the same simplified conditions, the reliability of the numerical model was verified according to the theoretical formula...

Quad-rotor aircraft can be widely used in military and civilian fields, and it is drawing a great deal of attention. Combining with PI algorithm and quaternion method, this article resolves the aircraft flight attitude and complete aircraft attitude control with improved integral separation PID control...

Simulation and experimental study of asymmetrical quenching processes were carried out on 7075 Al alloy thick plates. Effects of heat transfer coefficient ratios, thicknesses, and widths on warping deformation by asymmetrical quenching were simulated, and an increasing heat transfer coefficient ratios...

This paper deals with the speed control of a variable speed double-fed induction generator (DFIG)-based wind turbine. These variable speed control systems have several advantages over the traditional wind turbine, such as the increase in the energy capture and the reduction of the mechanical stress....

Panel zone strength in welded moment-resisting-frame connections have a significant effect on the stress and strain distribution in the connection and consequently on connection performance. It is generally believed that panel zone yielding is a yield mechanism that contributes to ductility of moment...

In the flight, trailing vortex will be produced behind the aircraft. Because it is invisible and intensity is bigger, it would produce certain influence to flight safety. In this article, the composition of trailing vortex and the trailing vortex strength would be calculated, and the dynamic characteristics...

This paper mainly proposed to identify and classify the medical data of cervical cancer using neural network models such as SVM, FNN, KNN and so on. The computer recognition algorithm can overcome the deficiency that artificial identification tends to be affected by cognitive ability, subjective experience...

As the whole world is being interconnected in this global citizen age, cross cultural communication is also discussed by people more frequently since cross cultural communication is closely related with various aspects such as daily life, work and international communications. Thus, this passage is to...

Starting with the systematic analysis of aerial target threat assessment problem of warship aerial defence combat, thoroughly studied the essential procedure of aerial target threat assessment under the system-combat condition of synthesis shipborne electronic war weapon, ship-to-air missile and aerial...

Delay measurement-based IP Geolocation can gain better IP geolocation performance. However, there are still some defects needed to be improved, including inaccurate landmark information, incomplete traceroute information and inaccurate traceroute repairing information. To address the issues, the paper...

The mobile Internet has changed the way of copying and spreading cultural works, copying and spreading them quickly in a low-cost way, resulting in increasingly serious infringement problems. At present, the traditional copyright management system has some problems, such as difficulty in confirming rights,...

Information exchange security is the basis of railway oil supply chain management, which is of great significance to ensure the reliability of railway transportation and reduce the cost of railway operation. This paper analyzed the safety technical requirements of railway oil supply chain information...

With the development of modern society, how to protect our ecological environment and homeland In 1990s, a wave of greenization emerged around the globe. This paper analyzes the content and importance of green management of enterprises and puts forward suggestions and measures for preventing greenwash...

Director Liao Xianghong’s national opera Canal Ballads has aroused the touching and affection of many domestic music researchers, singers and performers since the debut of National Grand Theater in 2012. The drama is based on the Beijing-Hangzhou Grand Canal which is comparable to the Great Wall. It...

Attack angle is a most important factor that affect the stability of aircraft no matter for supersonic type or hypersonic type aircraft. And height is another factor that will affect the force and moment of the whole dynamic system by change the density of air and finally it will also affect the stability...

Great changes have taken place in people's life with economy development in China. Modern society has higher and higher requirements on people's comprehensive quality, and pays more and more attention to raising art level. The society pays more and more emphasis on music teaching of students not majoring...

With the continuous improvement of people's awareness of fitness, the development of sports economy has become more and more open, and even has become an important part of the national economy. However, due to the short time of the development of sports economy in China, there are still some problems...

The mismatch of the demand side and the supply side in the Early Childhood Education and Care (ECEC) sector has been a recurring pattern in China for a long time. As another baby boom is looming on the horizon, "Easing the Shortage" is an urgent need. By describing the ratio of the capital investment...

Compressed sensing is surprisingly predicts that images, which allow a sparse representation by a suitable basis or a frame, can be recovered from what was previously considered highly incomplete linear measurements by using efficient algorithms. It is a novel research area of SAR images processing....

Intercultural communication competence serves as an essential part of one's language competence. In order to improve students' intercultural competence, things can be done in the following four aspects: renewing teachers' education philosophies, compiling and selection of appropriate textbooks, wide...

To establish whether Successful-Intelligence-based instructional mode may arouse students’ interests in college English learning and other positive influences on their English academic achievements, this paper, aiming at the cultivation of students’ analytical, creative, and practical intelligence, highlights...

The shortest path query is one of the most popular location-based services for navigation. With it, one can determine a best route from a source to a destination in an unfamiliar environment and then save time for travelling. But under this service, some sensitive information may be leaked to others...

According to the characteristics of the inevitable fuzziness and andomness in the slope stability evaluation,we proposed the model of rock slope stability evaluation based on cloud model, combined the combination weighting game theory considering subjective and objective weight,evaluate the slope instances.The...

In order to improve the detection efficiency and accuracy of target ships during navigation, as well as the distance measurement of target ships. This article uses the YOLOv5 model trained with ship data saturation to detect target ships. Using the Canny algorithm to detect the horizon on the sea surface,...

A wideband omnidirectional dielectric resonator antenna (DRA) array has been proposed. The simulated results show that the return loss of the DRA array is less than -10dB in the frequency band of 1.61dB-2.92dB (57.8%), which can cover the 2G/3G/LTE bands simultaneously. In order to reduce the deterioration...

To study the root of phenomenon from macroscopic view of system, in the case of current problem of information safety events occurred frequently. Analyzed system information essence and interactional characters, mechanism and rule between information flow and system, and clarified the definition and...

With the rapid development of Shanxi electric railway, the harmonic problem is also more serious. In order to analyze the harmonic problems caused by the new Loufan traction station. In this paper, the main electric locomotive to simulate is SS4G in Loufan traction station. The simulation and test results...

Digital technology plays an important role in helping the global response to climate change, and emerging technologies represented by 5G are also an important guarantee for achieving the “carbon peaking and carbon neutrality” goals. As the focus of the “14th Five-Year Plan”, the development of 5G and...

Mechanical Drawing is a professional technology foundation course with the characteristics of theory and practice. According to the coherence between Mechanical Drawing course knowledge and the follow-up courses, the practical principle of Mechanical Drawing course knowledge, and the characteristic of...

This paper puts forward the framework of sharing data model based on the secure multiparty computation, carries on the design according to the hierarchical structure to progressive realize. The model consists of three layers, the lower is the data access, which manage the data from the node in each domain....

From the perspective of the public, this paper collects data on product quality, engineering quality, service quality, environmental quality and quality awareness of Hunan Province through online surveys, computer-assisted telephone interviews and interviews, and from geography. Data analysis was carried...