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It is important and difficult for underwater weapons to get ship’s structure parameters from limited physical field signals. The degree of recognition will directly affect weapons’ attacking result. Nowadays, some researchers used acoustic model to recognize underwater object, however, few research about...

Ecological environment and natural resources are the basis for the development of tourist cities. During tourism development, the ecological environment and natural resources will be greatly challenged. These activities may affect the environment, so the construction of tourism activities should be carried...

This paper studies the strategy and best pricing tactics of two-sided platforms, and analyzes how the platforms will perform when facing both ad-sponsors and subscription fee.Researchers Researchers focus on the video websites as the research object, due to the peculiarity and negative cross-group network...

According to the characteristics of Raman fiber signal, combined with the advantages of wavelet threshold denoising and empirical mode method, the two methods are combined for removing noise. This method improves the signal-to-noise ratio by 15% in simulation experiments. This will get more accurate...

According to previous research, we find that enterprises at home and abroad are commonly facing the challenge of financing constraints and the steady improvement of cash liquidity enables enterprises to attract necessary investment and to get rid of financial distress. Besides, the investment and outcome...

In 2021 Indramayu Regency will hold simultaneous kuwu elections in 171 villages spread across 31 sub-districts. The village community welcomed the kuwu election, because it was a democratic party for the village people in order to determine a leader. The selection of kuwu is carried out periodically...

Motion detection is widely used in computer intelligent visual processing such as object tracking, object recognition and behavioural analysis. In this paper, Motion vector is adopted in order to get the accurate rough motion region. Motion vector can remove the small false motion objects. Frame difference...

The laser beam will be severely attenuated in the rain to transmit unable to complete the scheduled tasks arriving at the role of target. On the attenuation characteristics of laser in the rain in the infrared wave band has conducted in depth study, but in the visible range it is lack of study. In this...

Currently,the process of using multi material ALE method to modeling wind-structure system is not specific ,and its reliability is unknown. This paper details the process of using multi material ALE method to modeling the wind-structure system,and uses the method to model a wind-plate system. Physical...

Street racing became a teenager trend in Pasuruan East Java Indonesia, although accidents often come to pass but do not dampen the spirit of teenagers in street racing competition. The focus in this articles analyze significance of winning and how to get it in the street racing arena. The research design...

The internet has recently become a very important medium in everyday life and provides many benefits, one of which is the emergence of e-commerce. E-commerce itself uses the internet as a medium to provide information about certain goods being sold, such as descriptions of goods, pictures of goods sold,...

Reverse k Nearest Neighbor (RKNN) query is proposed based on the k Nearest Neighbor (KNN) query, which can be used to evaluate the influence of the query objects. At present RKNN query algorithms are mostly based on static or continuous objects, however, with the widespread of mobile device, algorithms...

With the further development of linguistics, people gradually realize that emotional factors and foreign language teaching are closely related. Foreign language learning efficiency depends not only on the level of students' cognitive ability, but also on the positive or negative factors in the process...

In the traditional online shopping mode, consumers expense a lot of mental cost in order to get enough commodity information, which leads to the decline of consumer shopping utility. The online live broadcasting mode improves the short-term utility of consumer shopping by reducing the mental cost of...

Molodtsov first proposed the soft set theory, which can be used as a general mathematical tool for dealing with fuzzy and uncertain information. As a generalization of soft set, interval-valued intuitionistic fuzzy soft set is another soft set structure,it is a combination of an interval-valued intuitionistic...

A flexible medical electronic endoscope with an outside diameter of 5 mm was developed for uterine cavity lesions examination without anesthetics. The effective focus length of the optical imaging system is 1.2 mm, the depth of field 10-100 mm, the maximum field curvature 0.1 mm, and the resolution capability...

“Lemon” problem is a concrete manifestation of information asymmetry. In the e-commerce market, due to its unique and open character, the problem is even worse than the traditional market, restricting the development of the e-commerce market. This paper analyzes the reasons for the “lemon” problem in...

In recent years, the promotion of renewable energy has been used in many Qian'an’s buildings, and in which the use of groundwater source heat pump technology is particularly widespread. This work is focused on the comprehensive economic analysis and energy efficiency evaluation of groundwater source...

The study introduces a new method of microporous boring machining process for high-precision.First,it is difficult to get better surface quality of microporous with micro cutting technology.Second,using again boring processing methods and the reasonable process parameters can improve greatly the quality...

This paper compares the effectiveness of the Markowitz model with the Single Index model. Using ten stocks of the S&P 500 index from 2000 to 2020, we first calculate the portfolio of the two models and then find the optimal portfolio to help people know better about choosing a better model under...

In the review of the formal theories, the view of the relationship between group interest and personal interest is diversified—the gap of the empirical study on its existed for a long time. Therefore, the purpose of the paper was to explore the tendency and mechanism of individual choice between group...

In order to measure the success of smart growth of a city, we built a three- level index evaluation system, which includes 1 first-level index, 4 second-level indexes and 9 third-level indexes. The first-level index called Smart Growth Index, it contains 4 second-level indexes: Economic Factors, Social...

The purpose of this research was to find out the Coordination Patterns of the Election Supervisory Board (Bawaslu) with the Sub-District Supervisory Committee (Panwascam) in the holding of regional elections in Banggai Regency in 2020. Meanwhile, the benefits of this research are as input material for...

The advantage of constructivism based computer professional course is analysed in this paper. Based on constructivism, teaching theory and process of scaffolding instruction and anchored instruction are discussed. According to the characteristic of database experiment, teaching design and implementation...

It becomes increasingly significant of rational design of colored pavement with its gradually applied in roads’ construction. Under this circumstances, this dissertation firstly focuses on what psychological will impact on drivers by color influence, which is based on the driver's visual cognition combine...

Based on Optimal Latin Hypercube Design (Opt LHD) method and Particle Swarm Optimization (PSO) algorithm, this article presents a method for tuning PID control parameters of quad-rotor. Firstly, the range of 15 PID parameters are obtained by experience. Within the range of the PID parameters, Opt LHD...

With the rapid development of smart grid, the using of smart appliances, the new information system and the application of digital work gradually get into the smart grid companies. It provides a digital basis for the big data technology to enhance smart grid’s service capabilities, which is the inevitable...

Based on the analysis of the tube and the frame seat structure on the Remote weapon station virtual prototype, this paper use the Modal Integration method to model tube and frame seat ,then analysis their free mode, we get the characteristic of the tube and the frame seat structure, and demonstrate the...

As the requirements of the question, all study we have done is about EVD pathology, characteristic of EVD spread, and set up EVD spread model and medical production logistic optimal model which are based on these knowledge. By using traditional epidemic model with innovation of considering the population...

E-Commerce is a comprehensive, multidiscipline, rapidly developing area and we need to excite the students' initiative in the learning process. The flipped classroom model is a suited method. This article introduces our experience of applying four-stage flipped classroom model to our E-Commerce course....

In the ever-growing digital era, the term Endorse has become increasingly popular, especially in the world of social media. Endorse is a way to promote the products of an online store in collaboration with people who have many followers on Instagram, these people are celebrities, influencers or even...

The purpose of this paper is to research wind power fluctuation character of the wind farm. First, the qualitative and quantitative analysis methods are combined. Sliding difference algorithm is used to construct wind power fluctuations evaluation system. Calculating wind power fluctuations value volatility...

This article explores the philosophical concept of Alexey Khomyakov as the first systematic attempt to create an Orthodox-based Christian philosophy. The Russian thinker managed to get in the presentation of his religious and philosophical views between the Scylla of apologetics of the Orthodox Faith...

The age of information and the informatization of education bring an important opportunity for college students majoring in English to get rid of “dumb English” and “deaf English”. At the same time, it also makes improving their information literacy become necessary. The paper expounds the definition...

As economy grows, the tourism shares a more and more important part in the development. This paper aims to forecast the importance of the tourism activities in Chinese economy. We got the initial values of forecast by linear regression based on the data on percentage of tourism industry in terms of employment...

The temperature is an important parameter for resistance furnace among the industries. Its nonlinear characteristics makes it is difficult to be controlled, therefore it is necessary to find out an effective method to get the resistance furnace temperature under control. The hybrid particle swarm algorithm...

Collaborative filtering recommendation is one of the most successful technologies for applying in recommendation system of E-commerce websites. However, the traditional collaborative filtering recommendation system is under-powered for dealing with user interest and data sparsity. To solve this problem,...

In recent years, face recognition is becoming one of the hot spots in the field of human-computer interaction. As the main organ, lips are one of the important features of face recognition. In order to get the features of lips, the paper positions the lips and segments it. The paper simulates the process...

In order to get an image with every object in focus, an image fusion process is required to fuse the images under different focal settings. In this paper, a novel multifocus image fusion algorithm based on multiresolution transform and particle swarm optimization (PSO) is proposed. Firstly the source...

Milk tea is a kind of tea beverage which originated in Taiwan Province and has been popular since 1990s. It combines the fragrance of tea and the sweetness of milk, and has become one of the choices of people’s daily drinks. Nowadays, with the increase of milk tea shops, the competitive of milk tea market...

We demonstrate 3R-regeneration method based on XPM in PCF. The most important part of this system is a MZI Optical Switch which have one high-Nonlinear PCF arm. By adjusting the length of the PCF, we can make the centre of the optical pulse obtain a phase shift about , this optical pulse transmitted...

Paper taking the volume of gear transmission system of two stages helical gear reducer as mathematical model and write a GA program based on MATLAB soft to get the relevant result. Next, paper draw gear model based on UG soft and analysis the gear’s bending stress in Nastran solver which contained in...

In this paper, a high precision biaxial solar tracker is designed, which is an application platform, can be used in solar photovoltaic projects and solar heat projects. Based on astronomy algorithm, we write a program in a Delta PLC to get the position of the sun by calculating its azimuth angle and...

This paper adopts the Analytic Hierarchy Process to establish two mathematical models considering three factors, namely "cab service mileage rate ","ten thousand people ownership", "cab turnover per month" the matching degree of supply and demand for cab of different cities at the same time the same...

Cultural tourism has become a fashion, it leads people to enjoy the beautiful natural scenery, visit the precious historical and cultural treasures. It not only makes people get a rich and lively natural and cultural knowledge, but also to enable people to obtain a wealth of human knowledge. Because...

The traditional reliability models of CNC machine tools are based on the assumption that the machine after repair is as-good-as-new or as-bad-as-new. But it is not the precise model compared with the Engineering practice. This article focuses on the repair degree to the sub-system of CNC machine tools,...

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...

The caregivers play a crucial role in maintaining the health and happiness of patients, typically losing their self-management abilities. This society should appreciate their work; people in the academic world should envision their work values as well as their inner mindsets in order to provide meaningful...

Through the narrative of phenomenon that does not comply with the rules in the society, the paper promotes the social problem: When the social rules conflict which the social and personal values, which one should actually prevail Then, the writer uses the "Journey to the West" to analyze the negative...

Therefore, the development of new die design and manufacturing technology is imperative. Light curing rapid prototyping technology is the earliest developed in rapid prototyping manufacturing technology. The technology has great prospects for the manufacture of irregular complex parts. In this paper,...