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In the present study, billet is designed by utilizing the flow relief-hole principle to improve the dimensional accuracy during the cold precision forging of helical gear. A three-dimensional FE simulation was carried out to analyze the deformation features of billet with different initial diameter of...

This paper focuses on the global three-dimensional scene construction technology, combining the 2D map and combat formation scenario technology, combined with 2D and 3D scene of mission planning technology and operational deployment of data driven interface design technology and so on. The system in...

Study This aim, for now, is to influence blended learning against competence and draw three dimensions with Autodesk inventor on students’ technique machine—self-learning use of blender use Elena developed by UNNES. The research method used is the experiment. The design used study. This is a Randomized...

Fetal brain abnormality detection is a vital task in prenatal care, requiring the precise and efficient analysis of medical imaging data to ensure early diagnosis and intervention. The study introduces an advanced classification framework that synergizes Convolutional Neural Network (CNN), extraction...

WiMAX is a promising technology for a higher spectral efficiency and reliable transmission. This paper compares the downlink throughput experienced by mobile users in a macro-cell in an interference limited scenario with a frequency reuse of one. Bit accurate link level simulations are performed for...

A two-shaft omnibearing scanning mechanism was designed as carrying device for full polarized microwave radiometer, and the 3D model of two-shaft omnibearing scanning mechanism established in CATIA environment was imported into ANSYS finite element analysis software to establish a finite element model...

In today’s society, with the background of aging problem, while the old-age dependency ratio has been growing constantly, the demand for LTC is accordingly increasing gradually. This paper discusses the development of family joint LTC (Long-term care) insurance and constructs a state transition matrix...

Aiming at cam indexing mechanism, this paper, considering the influence of elastic deformation, bending and twisting factors, combining the knowledge of rigid-flexible coupling Dynamic System, established the rigid-flexible coupling dynamic model of globoid cam indexing mechanism with six degrees of...

Building virtual battlefield is an important subject in military simulation. In order to get realistic appearance in building roadway of battlefield by using 3D simulation technology, it’s natural to do some complex calculations for the surface of the roadway, involving patterns with certain colours...

Mesh segmentation, as a crucial step in model analysis and understanding, is vital to the success of the applications, e.g., the 3D reverse engineering and modeling by example. A number of recent works suggested segmenting 3D meshes on the basis of the cognitive psychology concept of part salience",...

A new vibration device of process electrode has been provided in the paper, which achieves the aim of developing process state and improving process speed. Set out from improving system process efficiency and process quality, it analyses the characteristics of EDM and make sure appropriate parameter...

With the rapid development of Chinese economic, the effect of supervision and inspection of fire has become more and more important. According with the workflow and requirements of supervision and inspection, this system is from the actual needs of firefighting work, operated easily and is suitable for...

With the rapid development of computer network technology and Chinese education informatization level unceasing enhancement, various applications based on Internet more and more be favored by the people. Online examination system is along with the network technology and database technology and developed...

3D non-rigid recovery is a problem of recovering the real shape of 3D deformable object by using some kinds of algorithms. This paper proposes a novel approach to recovery of non-rigid structure using sparse coding in trajectory space. In order to overcome the difficulty of defining the size of trajectory...

The aim of this study was to investigate the surface propertity and biocompatibility of Ti and Ti6Al4V after the treatments of sandblasting by Al2O3 and etching by hydrochloric acid-sulfuric acid mixture. Surface morphology of samples was observed using scanning electron microscopy and the roughness...

This paper mainly studies currently developing 3D video coding based on HEVC. HEVC-based 3D video coding mainly focuses on 3DTV and auto-stereoscopic video compression system. A variety of new encoding tools, such as inter-view motion prediction and depth modeling modes, have been added in 3D HEVC. The...

The long term field scale experiment was performed for six years since 2008 in West-Liaoning Province, P. R. China. Furrows were made in autumn using deep-plough, straws were put into opened furrows using straw returning machine, and then the furrows were buried by soil back-filling plough and forming...

As a national intangible cultural heritage, the Olunchun “Mosukun” lacks the channel of integration with modern scientific and technological innovation, resulting in low communication efficiency, and is facing a severe problem of protection and inheritance. Therefore, this paper takes the Olunchun “Mosukun”...

This paper introduces a system which is designed for the transmission design business which make it possible to achieve electrical design, structural design, technical and economic analysis, environmental design and resource sharing. This platform functions in various stages including the informatization...

The intention of this thesis is to explore the concrete realization method of reverse engineering technology in the field of development of sports shoes, how in the rhino software environment, reverse modeling two-demention drawings from product, especially how to generate 3D reconstruction of product...

In this paper, according to the principle of Hough transform, using the multi - directional image information of an object to calculate the pixel points of the object in the space, and get the real three-dimensional image from the object surface texture mapping which is composed of pixel points. This...

This paper designs a kind of three dimensional reconstructions based on line structured light vision system. This system can realize the quick requisition of the contour point on the surface of mechanical parts, which commits precise measurement of mechanical parts. First of all, the measurement model...

In this paper, a general mathematical model is shown through the mathematical analysis of the magnetic bearing. The linear expression of relationship between the electromagnetic force, the deviation of the displacement and control current of is provided by the finite element analysis, with Maxwell 3D....

Student learning outcomes at school can be grouped into cognitive, affective and psychomotor domains. The purpose of the learning process is always aimed at three domains, but the emphasis is different. Physical education in school includes the compulsory education taught in the School, which mimics...

As virtual reality technology matures and popular, it is gradually applied in art design. Virtual reality is constructed by high-tech means of the artificial environment. How best to achieve the user in the virtual world of realistic experience, has become a new research hotspot. In view of the present...

Recently, the game console industry has been developing at a considerable rate. Also, the development of 3D technology is fast and promising. In the present market, there are already game consoles and games providing users with 3D perception. But actually, the technology they used is called non-immersive...

Thermostat is an important part of car cooling system. In this paper, with the fluid analysis software FLUENT, CFD simulation analysis was carried out on the two kinds of thermostat. The distributions of temperature, speed, pressure were obtained by simulation analysis of flow field of thermostat, and...

In the virtual reality, render to textures technology was widely used in animation, model making software or engine both have texture baking function. The baking technology can preprocess the virtual reality scene model, the shadow information is rendered into a map in the engine, it can no longer carry...

A Petri net with controller is used to model discrete events in flexible job shop scheduling, the objective of scheduling problems is to minimize make-span, the scheduling results is obtained based on genetic and Tabu Search (TS) algorithm. It is proved capable of providing optimized schedule to the...

In the process of sports athletes training and competition, they will inevitably have some wrong actions, if only rely on artificial methods to judge the accuracy of these actions, then there will be a great deviation. In the development and application of computer vision technology, it can effectively...

The article reviews the theoretical foundations and analyzes the practice of the project approach and its financial support in the context of structuring the management decision-making process based on the basic theoretical and methodological principles of management and finance. Attention is focused...

Variations in the acoustic emission parameters of normal concrete (NC), steel fiber reinforced concrete (SFRC), and nano SiO₂ fiber concrete (NSFC) with the increase in loads under four-point bending load were studied. Distribution law of acoustic emission signals and its correlations with flexural strength...

With the rapid growth of Internet users, how to quickly find the hot spots and sensitive topics of forums, microblogging and other social networking sites, to achieve forecast and early warning network of public opinion, it’s a huge technical challenge to the researchers. In this paper, Redis memory...

Form the situation of military aircraft use civil airports, in order to improve the efficiency of the civil airport parking position, this paper gave a new idea that military and civilian aircraft use a shared parking position together, studied capacity and utilization of shared paking position, computed...

After analyzing the meaning and ways of electric system load prediction, this essay illustrates the general theory of the BP neural networks and study the load pre-diction methods based on BP neural net-works. It analyzes the neural networks sample value methods, performs encum-brance for historical...

This paper is based on 3D printing technology, as for study and design on those printing tests; it develops a set of 3D printing equipment to make design on head, modelling chamber and temperature system. It simulates temperature field in 3D printing process and provides instruction for 3D printing test...

The growing dependency on digital communication and the rapid expansion of image sharing over public networks have made secure image transmission a critical necessity. Chaos theory, characterized by sensitivity to initial conditions, pseudo-random behavior, and non-periodicity, offers unique advantages...

At present, the protection of world cultural heritage has changed from passive protection based on rescue to active protection based on prevention. The traditional protection method of ancient architecture is to find the damage through on-the-spot observation, and then protect it. The information in...

The dilemma of tool design and manufacturing in China is analyzed, and a new way of coping strategy is put forward. By introducing MBD technology into tool modeling, the expression frame of MBD data set in tool modeling is expounded, and the concept of parameterization is introduced in the new MBD model...

This paper presents a specific subjective quality assessment to study the perceptual issues about 3D videos processed by the compression system based on H.264/MVC (Multi-view Video Coding). The subjective evaluation is conducted according to the ITU recommendations. The preparation, concrete process...

The logistics process improvement scheme is described in this paper using AR (augmented reality) and mixed RFID (radio frequency identification) technology. Now, the augmented reality and RFID technology are well known and widely applied in practice, they are merged together can enhance the visual function...

With the outbreak of the COVID-19 epidemic in 2019 and its trend of turning increasingly serious, nearly all the movie theaters nationwide have been shut down, and the loss has reached over 100 billion. Since people are living in a generation where the Internet is booming, many of them still prefer to...

Communication barriers between the Deaf and hard-of-hearing (DHH) community and the hearing population in Bangladesh persist due to the lack of automated Bengali Sign Language (BdSL) translation tools. This study proposes BdSL-Net, a real-time BdSL recognition framework based on computer vision and deep...

By taking Apple as an example, herein, multiple linear regression analysis of sample data was carried out to obtain the conclusions of the influencing factors of cash dividend policy of listed companies. The results show that the company’s short-term solvency has significant impact on the payout ratio....

The combination of virtual and real digital technology is an important way to activate the cultural heritage. In view of the high cost of 3D modeling of large scenes and the difficulty of integrating with the geographical reality model, taking the digitization of historical and cultural blocks as an...

This paper systematically compares and analyzes the differences in engineering quality control systems between China and Sri Lanka. The research indicates that: (1) At the institutional level, China has established a three-tiered system of “government supervision, social supervision, and enterprise self-control”...

Nine combinations of Cd2+ (0,2.5,5mg•L-1) and microbial flocculant (0,10,20mL•L-1) were set, and the hydroponics was adopted in this experiment to explore the effect of microbial flocculant on the rice growth and Cd accumulation under Cd stress, and chlorophyll content, net photosynthetic rate, plant...

The purpose of this paper is to compare the accuracy of two investment decision-making methods, Net present value (NPV) and Internal rate of return (IRR), using four different hypothetical investigations, and to briefly assess the limitations of the NPV method. The use of the IRR rule results in incorrect...

Each parents always want the best for their children. But in reality, not all children are lucky to get good treatment. In reality, many children become victim of commercial sexual exploitation. The presence of handling net for the victim in Surabaya is expected able to give protection guarantee for...

This paper studies the reproduction of labor force and all-round development of human beings from the perspective of all-round development of human beings, explores the relationship between college entrance examination and labor reproduction, explores the simple labor and complex labor, and analyzes...