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During the 6-DOF (6 degrees of freedom) industrial robot processing continuous short segments, frequent start-stop motions would cause vibration of joint and low playback efficiency. For the purpose of improving machining precision and playback efficiency, a cubic S-curve ACC/DEC (acceleration and deceleration)...

This paper compiles computer-aided design procedure of concrete pillar component in PKPM to complete the development of concrete pillar working drawing CAD system. Concrete pillar working drawing CAD system is a subsystem of China Academy of Building Research’s PKPM series software which realizes the...

We propose a multi-protocol dynamic adaptation gateway technology to solve the multi-source heterogeneity of data in the Internet of Things. There are diversity of access devices and heterogeneous data in the Internet of Things. The major manufacturers of the data format don't have a uniform standard,...

In the past ten years, convolutional neural networks have achieved a series of breakthrough developments in the areas of classification detection, pattern recognition, and semantic segmentation. Convolutional neural network learning have led to a wide range of applications and research for its capabilities...

Academic research confirms that unethical leadership harms organizational well-being, a concern amplified by media coverage of corporate scandals. While the effects on subordinates are well-documented, the impact of subordinates on leaders’ unethical behavior remains less explored. This study aims to...

In this paper, an iris recognition algorithm of multiple features extraction and fusion was proposed, which was different from the classical iris recognition algorithm that focused on a single texture feature. Firstly, the collected iris images were preprocessed. Secondly, features of preprocessed images...

In large swimming hall for international events, seat arrangement and partition could affect indoor thermal environment. In this paper, a 4480 seats swimming hall was selected as the typical study object. Then different seat arrangements of swimming hall during competition events were summarized. Simulation...

Archaeologists infer from the fragments of ancient pottery found in the Wannian Xianren Cave in Jiangxi that pottery has a history of nearly 10,000 years. From the development of ancient ceramics to modern artistic ceramics, there has been a very long development process, such as the development process...

Students’ evaluation of teaching is an important part of teaching evaluation activities in colleges and universities. The construction of teaching evaluation index system is an important aspect related to the effectiveness of teaching evaluation. Therefore, Qiqihar Medical University carried out research...

Taking the wind power generation's pollution-free, easy access and other characteristics into account, Wind power has made great progress in China's renewable energy industry. But because the wind is not controllable, wind power can not guarantee a stable power output, bringing uncertainty in the operation...

The matching points relation of stereo-picture is built by adjacent slices through setting up mark for matching points conforming to three rules: Minimum Distance rule, evenly--Distributed rule and the Similar Figure Topological rule through reconstructing surface of microstructure. Based on the traditional...

In this paper, we propose an innovative and low-cost hybrid indoor positioning system using various sensors on the mobile platform. This system consists of a pedestrian dead reckoning (PDR) part based on the encapsulated Application Programming Interface (API) of Apple’s iOS platform and a low-cost Bluetooth...

This paper examines the effect of trade liberalization on firms’ employment scale on the basis of the sample of Chinese industrial firms. The results show that trade liberalization enlarges the firms’ employment scale. The paper also finds that the effect of trade liberalization differs according to...

The ideological and political education is an important part of postgraduate education. Currently, in the face of new conditions, new changes and new problems appeared in graduates’ ideological and political education, constantly to innovate new ways and new methods for graduates’ ideological and political...

Special fuel transportation scheduling is an important part of the space launch. Because of the lack of fuel transport train and limited production capacity of manufacturers having become the main limiting factors for special fuel transportation scheduling in space launch, it is very necessary to research...

In monitoring application of continuous object that based on wireless sensor network, due to related parameters of continuous object in time and space are continuous, the data information that node acquired has strong correlation and continuity. On this basis,the idea that using bisecting K-means clustering...

With the construction and development of university curriculum system at this stage, the school-enterprise cooperation mode has drawn more and more attention from the society. In practice, schools have also strengthened the construction and development of school-enterprise cooperation. Due to the particularity...

Some components are not important when examining the structural integrity, but their destruction can lead to the continuous collapse of the overall structure. Such components are called key Elements. In this chapter, the determination of the key elements of a marine engineering floating .pier structure...

Graphene nanoplatelets (GNPs), as new candidates for nano-sized additives, are potential to improve the mechanical and durability performance of concrete. On the other hand, GNPs will act as conductive fillers to lower the conductivity of concrete, which may induce corrosion problem due to high ions...

The development of Internet technology promotes the growing popularity of Internet applications. The relatively free and open network environment makes mass communication pattern changed. Wide sources of information, fast speed of transmission and the boost of the public free speech cause the public...

The core task of the current national educational reform and development is to cultivate “high quality professional talents and outstanding innovative talents that have firm belief, good character, rich knowledge and excellent ability”. With the need of excellent cultural and creative talents in the...

Safety-critical system attracts more attention in recent years. During the development of safety-critical systems, verification plays the most important role and includes many high cost activities. Testing and formal analysis are two mainstream ways for verification. This paper describes new tools and...

The temperature and thermal stress distribution on BK7 glass was numerical simulated by MATLAB according to heat conduction theory. Research has shown that the laser pulse number, spot radius and pulse width can change the extent of the damage threshold for BK7 glass. The results shown the damage threshold...

This paper analyzes a variety of factors that affect public budget revenue. The data set is the Shanxi Provincial Statistical Yearbook collected from 1999 to 2021 years. This study uses the lasso regression method to select multiple factors affecting public budget revenue. The key influencing factors...

The increasing development demand of auto market incurs the advent of automotive technical service and marketing specialty in higher vocational education. Focusing on the quality of professional education in the higher vocational education, while aiming at constructing an idle personnel training mode,...

The objection of this article is to optimize auto-cascade refrigeration system. This refrigeration system use multiple mixture (R22/R23/R14) as the refrigerant, which is driven by the single-stage compressor. Throttle is an important composition of auto-cascade refrigerant system, which impact on evaporation...

In view of the problem that the incidence of accidents in construction industry is high, and the safety management of construction enterprises is weak, the game theory was applied to study the safety management system of the construction engineering. The complete information static game and the incomplete...

Introduce the concepts related to multidimensional set sequence database, and in order to mine a special multidimensional set sequence database, in which all the sequences have the same length, items inside each dimension are ordered, and dimensions are unordered, we propose an algorithm of multidimensional...

In order to improve the safety of the hook, the hook was finite element analyzed. Firstly, the geometric model and finite element model were created. Then the material parameters and boundary conditions were applied to the finite element model, the load was studied specially. Finally, the static strength...

Austenitic stainless steel 304 and 316L were exposed to actual atmospheric environments of South China Sea for half one year, and the in??,uences of microstructures on atmospheric corrosion behavior of the two stainless steels were investigated. The results showed that the average corrosion rate of the...

The water-resistance of 3 common emulsion explosives with changing deepwater pressure and soaking time were studied through experiments. Major conclusions were drawn as follows: the detonation property of the three became slightly weakened with the increase of pressure and time and all of them presented...

Nowadays the education of high school students is very important around the world, every country has its way of education. This paper analyzes the differences between Chinese and American high school education and its prospects. This paper concludes that different educational systems in different countries...

This paper discussed the design of a 0.18 m CMOS process 5.8GHz RF front-end circuit, and the simulation and experiment were carried out. The main circuit design are low noise amplifier and mixer, the noise amplifier is overlay architecture, and using dual output mode single input / transformer coupling;...

A face recognition method based on local feature and global feature is presented. Firstly, local feature of the face are extracted by Gabor wavelet transformation. Then, principal component analysis (PCA) is used to extract the global feature of the face. Finally, these features are integrated as the...

With the constantly advancing of new engineering discipline and the requirement of engineering certification, the university has put forward a new training plan for the major of mechanical design and manufacturing and automation in 2018. This paper analyzes the key problems to be solved urgently in the...

A method for correcting analytic model of chemical clouds diffusion is proposed to take terrain effects into account. The calculation results show that the corrected model of clouds diffusion can describe the main diffusion features in complex terrains; furthermore, it has the advantages of rapid calculating...

In GEO satellite mobile communication system, a line-of-sight (LOS) component exists as well as multipath component, which are influenced by buildings or foliage that causing shadowing effect. Satellite mobile channel is described as fading model based on Markov process for channel properties in large...

This study focuses on the critical role of grass-roots emergency management in safeguarding social stability and public safety. By analyzing the systemic challenges and practical solutions across the pre-crisis, mid-crisis, and post-crisis phases, this paper provides a comprehensive framework for enhancing...

Deep convolutional Generative Adversarial Network (DCGAN) is an important type of generative adversarial network. It integrates convolutional neural network (CNN) into the adversarial framework and performs well in image generation and data augmentation. This paper reviews and summarizes the basic technical...

Polystyrene foam (EPS), commonly known as benzene board, foam board, is widely used in architectural decoration, road construction, the film set, a lot of fields such as packaging boxes, has a broad market need and the use value. For EPS plate mainly have three kinds of different processing ways: the...

Event is the basic unit of knowing, remembering and understanding the real world. Event is regarded as the basic unit of knowledge representation. We detect event relation between two events for some Chinese texts by matching event relation pair table, which are constructed based on the CEC2.0 (called...

The orthogonality of the transmitting signal is crucial for implementing multiple input multiple output(MIMO) radar system. The chaotic orthogonal discrete frequency coding waveform(DFCW) can be utilized to MIMO radar, and generate a large amount of orthogonal signal with random lengths and quantities....

Radio Frequency Identification (RFID) is an automatic identification technology towards maturity in1980s and a non-touching automatic identifying technology. In this system, collision is a frequent issue. The introduction of binary anti-collision algorithm makes it possible for dynamic adjustments of...

This paper present a method for the extraction and segmentation of small targets in image sequence captured in static explosion test, whose background is complex with numerous interference. Three frames difference method is adopted to process the original image sequence to obtain the foreground image....

The electromagnetic relay is one kind of controlling electric appliances. The electromagnetic relay is also a kind of electromechanical product. It has its superiority over other controlling appliances because of it’s highly insulation with open circuit and its absolutely little resistance with closed...

Stock markets exhibit high volatility, driven by numerous factors, making accurate stock return prediction a challenging task. This paper provides a comprehensive review of machine learning models used to stock return forecasting, comparing traditional models like Linear Regression (LR), Support Vector...

With the enhancement ofÿthe evolution of the natural environmentÿand of the human activitiesÿonÿnatural ecosystems,ÿland use and land cover change (LUCC)ÿhas become an important factorÿaffecting the ecosystem and environment. Study on land useÿand landÿcover change (LUCC) and itsÿimpact on the ecosystem...

This article carries out a new method to find out and compensate the roll eccentricity online in the strip cold rolling process. Firstly, the roll eccentricity signals are found out from the massive process data by a soft measurement method, secondly, this signals in time domain is converted into signal...

According to the status of security work in marine-related fields, we analyze the risks faced by Digital Ocean system. We collect the specific characteristics of marine data and propose a secure method oriented digital ocean system. We adopt multi-level security mechanism that marine data is ordered...

This study explores how principle-based guidance can support college EFL learners in expressing the behavioral component of attitude in spoken English. Although learners can easily articulate feelings and opinions, they often struggle to express what they actually do or intend to do. To address this...