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This Image segmentation is the key step of image processing transitional to image analysis. Edge detection is the most commonly used method to segment images based on gray mutation. This paper mainly introduces the method of edge detection to gradient operator and Laplacian operator.

Faced with the especially severe economic situation in our country, various advanced technical means are rapidly popularized in the daily life or work of modern social groups, provides new opportunities for the development of various industries, and puts forward development requirements at higher-level...

The design of intelligent solar charging system, through the solar panel to convert solar energy into electrical energy, through DC/DC converter circuit processing, charging the battery. The entire system consists of DC/DC conversion circuit, a processor module, A/D sampling circuit, pulse width modulation...

As new type of indoor decoration materials, gypsum plasters have good development prospect in fire resistance, heat preservation and insulation, environmental protection, etc. The purpose of this paper is to prepare gypsum plaster using desulphurization gypsum, waste mycelium retarder (WPM) and some...

Due to the vital function of frequency-variable equipment in the energy-saving technology, the paper develops a suit of small power frequency -variable controlled equipment based on digital signal processor (DSP) TMS320LF2407 of American TI company. It designs holistic project of the equipment, researches...

Based on the new development stage, it is self-evident that the construction of scientific and technological talents is of great importance. Based on the requirements of the situation faced by the construction of scientific and technological talents, this paper analyzed the typical practice and experience...

Turbulence played an important role in the evolution of the seawater energy and exchange. Multi-scale, long-term, fixed-point and continuous sampling is a new research direction in the turbulence observation. This dissertation designed high-capacity and no-vibration data storage solutions aiming at long-term,...

The paper introduces the basic principle of voltage space vector pulse wide modulation (SVPWM), presents the detailed method of realizing SVPWM under MATLAB/SIMULINK environment, and finally gives the experimental simulation results.

This paper addressed the parking demand forecasting in airport ground transportation system, and demonstrated here in Hongqiao Airport. The moving-average model (MA model) is used to model and estimate the parking demand with the scheduled arrival passengers and the departure passengers. The results...

Understanding the internal and external factors of technical innovation is crucial to maximize the benefits of innovation in vocational college. Taking regional innovation system perspective, this study focuses on the key factors of technical innovation performance in vocational college. Based on innovation...

To study the effects of different surface microtextures on the friction and wear properties, the microtextures were processed on the 45 steel surfaces by pulsed laser. It showed that the textured surfaces with pits and grooves had an effect on the storage of lubricating oil and abrasive particles, which...

Due to the dual identity of “refugee” and “sexual minority”, the marginalized situation of bisexual asylum seekers is a superposition of all disadvantaged identities. They present a special and cumulative practical situation derived from both the identity of “sexual minority” and “plurisexuality”, facing...

The ES-U3160 reinforced fabrics with toughening function were prepared by carrying the Ex-situ elasticizer polyethersulphone homogeneously on reinforced fabrics according to Ex-situ toughening technology. ES-U3160/5284 CF reinforced epoxy resin matrix composites were prepared by RTM process taking ES-U3160...

Large diameter longitudinal welded pipe is the main form of energy transport, and has a wide application in the transportation field of oil and gas. In this paper, crimping forming experiment for large diameter longitudinal welded pipe was introduced, and the relationships between forming stroke, crimping...

Based on the recent stock price fluctuations of Coca-Cola and Pepsi, this paper analyzes the factors that affect the stock price fluctuations of Coca-Cola and Pepsi. The paper’s research method is to come to a conclusion through data review and analysis. The research object is the stock prices of Pepsi...

robot model of three-arm and five-degree freedom plus large scope of traversing welding was established, and decoupling of models of “large scope of traversing”, “triangle movement of two arms” and “spherical movement of one arm” was realized. The model of “triangle movement of two arms ”is able to use...

With the development of society, all kinds of buildings with LED billboards constantly appear. The safety of LED billboards under wind loads is the focus for the public attention because it appears that lots of LED billboards have collapsed in the wind load and have crushed people. It is vital to study...

Pobei area is one of the important copper-nickel mineralization prospect area of Xinjiang. In this paper, we process and analyse the 1:50,000 high-precision aeromagnetic data of the Pobei area, and extract alteration information of remote sensing, combining the metallogenic geological conditions of the...

The strength and contributions of women are significant for all industries, including both STEM majors and non-STEM majors. Based on this background, this paper examines the reasons for the gender inequity experienced by Chinese women in STEM majors, hoping to provide informative comments to support...

Ship collision, not only damaged the hull, threatening the goods, or even in a boat crash, serious marine pollution. The reason, is not difficult to find the vast majority of crashes are caused by voyagers negligence, negligence and serious violation of international regulations for preventing collisions...

Nowadays, fandom and fan culture have step into the eyes of the public gradually. Many people are curious about how this subculture carries weight to society. In this article, we mainly focus on discussing two problems. The first is how the development of social media and technology influences fandom....

The main purpose of this paper is to discuss whether Google has a monopoly in the search engine industry and whether it will maintain a monopoly in the future. Firstly, using the five-force model to analyse the industry where Google is located explain Google’s position in the industry. Then through the...

Although spatio-temporal features (ST) have recently been developed and shown to be available for facial expression recognition and behavior recognition in videos, it utilizes the method of directly flattening the cuboid into a vector as a feature vector for recognition which causes the obtained vector...

In this paper, we solve the problem of the orbit design and control strategy of the soft landing of Chang’e 3,Use the Hermite interpolation method and the Parabolic interpolation method to analyze each stage of the process.By using the interpolation method in numerical analysis, which based on the theory...

As the forefront of mobile communications, mobile phone industry broad market prospect attracts more and more enterprises to enter this field. With the rapid improvement of the industry, mobiles develop from original feature phone to smart phones, which can take pictures, catch video, access Internet...

A method based on fractal combined with Bior 3.7 wavelet is proposed to analyze atmospheric particulates’ fractal feature. By the use of microscope, atmospheric particulate samples were taken into digital images. After a series of image processing including Bior 3.7 wavelet decomposition and reconstruction,...

HiLo training sport mode , the rats in a quiet state , immediately after exercise , after exercise to study changes in skeletal muscle cytochrome oxidase three states under three hours , and then observed in rats HiLo training changes in mode of aerobic exercise capacity . The results show that : in...

The development of technology has not only brought changes to our lifestyle but also affected our way of thinking. When it comes to education, technology has brought great opportunities to change the way of teaching and learning. Utilizing technology when teaching increases students’ motivation, engagement,...

As one of the pillar industries in every country, the real estate industry is characterized by a significant capital demand. Daily corporate governance and operation require a large amount of capital. Therefore, high leverage is one of the essential financing methods in the real estate industry. However,...

Based on the Pareto inferior sorting and analytic hierarchy process (AHP), a kind of multi-objective evaluation index system for university teachers’ evaluation is constructed. The system introduces in inferior sorting from the theory of multiple objective, using analytic hierarchy process in the system...

By the intermittent hypoxic training of 72 male SD rats, we observed the changes of SDH activity in skeletal muscle in a quiet state, immediately after exercise and three hours later. We found that in these three states , SDH in rat skeletal muscle were significantly changed, and showed a downward trend...

Computer 3D technology is the core content of interactive graphic, which is a grid science to calculate, process and display 3D graphic through algorithm. From the digital-processing 3D graphic establishes a set of systematic module database using computer graphic and coding, through which to realize...

As one of the main research directions of machine learning and CNN (Convolutional neural network), Autonomous vision and decision-making have many kinds of applications in various fields, especially in Driverless cars and decision-making on highways. In recent years, Tesla, HUAWEI, Google, and Microsoft,...

Cohesion and coherence are essential elements that have a role in forming structural coherence and coherence of the meaning of discourse texts. The formation of a coherent structure and semantic relationship cannot be separated from using the correct elements of cohesion and coherence, which are marked...

In view of the phenomenon that defects such as fracture, wrinkling and springback may generate when box shaped parts are stamped, however better surface quality on parts have been required. The process of drawing, cutting and springback for magnet covers with arc top and straight sidewall are simulated...

With the unceasing development of national economy and science and technology, wireless data transmission is extensive used in many areas, basing on its characteristic of flexible and so on. Based on the SMS of GSM net, this article introduce an intelligentized surveillance system which is used for controlling...

In judicial practice, there are difficulties in determining the degree of “knowing”. Some standards are too vague and subjective. Moreover, judicial interpretations fail to specify how to accurately determine the element of knowing. Under the lens of western legal philosophy, when the subjective intention...

As big data and analysis technology have been deepening the impact on enterprises, the role of finance professional in the enterprise needs to adapt to the new environment. The impact of big data means that accountants and finance professionals are at a crossroads, whether finance professional choose...

This essay mainly focuses on Netflix’s marketing strategy of glocalization which affects cultural diffusion. The essay adopts the method of case study to analyze the topic that the TV show Squid Game provided by Netflix in 2021 is the research object. Along with the result and discussion of the concept’s...

This study was to discuss the influence of multi-year altitude training on the biochemical function and specific aerobic capacity of the Chinese national elite open weight woman athletes and to explore the law. Method: Organise tracking test of 12 Chinese rowing open weight woman Olympians’ function...

The passive direction finding cross localization has got great achievement and has been widely used in military and civilian fields. Currently, the researches on passive localization have focused on AOA, TDOA and FDOA. In our system, the passive direction finding cross localization is more effective...

This article illustrates the characteristics and proportion of GIS system failure through the introduction to GIS system structure and characteristics; In order to make the GIS in the safe operation of the power system, It is necessary to test AC withstand voltage at the scene.

Passenger and freight train scheduling problem on double-track railway line is considered by using Ant Colony Optimization (ACO) algorithm. The aim is to reasonably arrange the dispatch sequence of the trains to minimize the total run time. The constrains in train scheduling problem are considered and...

With the emerging of market economic diversification, the demand for international business talent shows a variety of trends. International business courses need teaching practice innovation. The current teaching practice of vocational college should be built to competence-oriented teaching mode, innovated...

Capon beamforming has better resolution and interference rejection capability. However, its performance will seriously degrade due to noise, array steering vector error, and other factors. In this paper, a robust Capon beamforming applied to a planar array is described. It is shown that the proposed...

This article applied the novel quantile-on-quantile regression model (QQ) to reconsider the impact of fiscal education expenditure on China’s economic growth. It focuses on a sample of 510 consisting of 51 first- and second-tier cities of China from 2010 to 2019. The empirical results are as follows:...

Based upon existing instruments have some disadvantages in both ways, one hand is simple structure, single function ,not work, difficult to cut, cannot cut completely or unsafe issues;on the other hand is complex structure, equipped with gear-down mechanism ,high manufacturing cost, bad price/ performance...

Evaluation of workmanship is usually used as welding quality criteria in bridge welding provisions or guidelines. There is, however, no clear relation between workmanship and welding performance. In some cases, the welding quality criteria cannot guarantee actual performance, in particular for fatigue...

It is important to analyze rotor current quantitatively for doubly fed induction generator(DFIG) initiated by terminal voltage dip for planning and configuration of relay protection of wind farms and grid including wind farms. The previous studies assumpt that the instantaneous activation of crowbar...

Aim at the potential that the time efficiency of the technology of Cycle elimination for invocation graph-based context-sensitive pointer analysis can be improved. Through using wave and deep propagation method, which is the state-of-the-art techniques of Inclusion Based Pointer Analysis on-line optimization...