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In order to evaluate the quality of the protective films, we built a Spectral-Domain Optical Coherence Tomography System. To get the 2D and 3D image of normal materials and defective materials, and the quantitative analysis has been done. Compared with the parameters provided by the manufacturer, the...

Five 5MW wind turbine blades with different ply orientation are modeled based on 3D shell element. The MPC method and a beam element are used in calculating their section stiffness. Bend-twist coupling parameters of the five models are calculated. Results show that section stiffness of wind turbine blade...

There are the chassis exposed and the lack of cockpit problems in Southwest hills multifunctional mini-chassis. In the case of meeting practice, this exterior design has simple lines and generous model. The unique detachable box has solved the heat radiating, drainage and other key issues, and users...

Computer simulation technology has been applied to many industries and fields, due to its intuitive, convenient and interactive visualization. Java3D programming technology is easy to be operated, and its cross platform performance is good, and it is easy to develop web-based applications, so it is the...

With the development of computer technology, computer vision technology was getting more mature. The two-dimensional detection in the badminton Hawkeye system was studied with background subtraction. The mass center coordinates of the badminton were obtained after eliminating the influence of the isolated...

With the rapid development of Internet and computer technology, modern education based on the Internet as main means has become the trend of the development of the education today. Although the domestic English testing system gains more and more attention but most universities and colleges’ equipment...

Droplet jetting technology is widely used in 3D printing. In which process, the flow rate of material extrusion from the nozzle is one of the keys that affect the printing performance, such as the droplet size and its uniformity. In this paper, a model was developed to predict the jetting flow rate....

With a view to reverse design of product layer, a tri-level precision model of product-part- functional face based on functional face was organized. The product’s precision information model was recovered from the 3D model, and the precision design was achieved. The implementation process of precision...

The tourism industry around the world including Indonesia is facing significant challenges due to the COVID-19 pandemic. The declining number of tourists and the number of tourist sites that had to be closed during the pandemic were the major factors why the tourism industry had become so volatile over...

The Compression stocking is one of the effective means to protect and cure varix, If people want to gain good effect from the medical compression stockings, they need to be provided with specific type of compression stockings which is designed based on the analysis of their leg shape. However, the domestic...

With its basis on discrete points, pressure nephogram is widely used in safety supervision of coal mine. This essay, with the analysis of the problem of the missing "triangular" in the Bowyer-Watson's algorithm, studies and designs a points-adjacent vertex-triangular-based triangulated algorithm, whose...

In recent years, due to the breakthrough in 3D hardware graphics technology, the real-time depicted pictures have been increasingly sophisticated, and 3D games have been more diversified and closer to the real world. In this paper, the author used primarily Visual C ++6.0 as a development tool to understand...

This system uses three dimensional scene roaming technology into home design, breaks the current rendering home design mode. It constructs 3d indoor scene and indoor furniture models through 3d modeling, and realizes the roaming interaction of 3d home roaming scene by scene roaming technology, at the...

In the era of knowledge economy, knowledge management has been recognized as an important means to enhance the competitiveness of enterprises, and the access control of enterprise knowledge is a main mechanism of information system security. In this article, through analyzing the type of enterprise knowledge,...

With the rapid development of the campus network date and high-availability, security requirements, the data backup and disaster recovery technology has been widely used, and this technology has become a key aspect of campus IT infrastructure. This paper analyzed the date backup technology, and proposed...

In this paper, the design scheme, technical route and system structure of the remote interactive engine room resource management simulator are proposed based on the study of the engine room resource management project. This paper introduces virtual reality technique, visual C# and IE real-time interaction...

Value investment requires investors to hold the suitable company stock at the right price to achieve a certain profit purpose. Scholars all over the world are enthusiastic about studying it. In this study, linear regression was used as the primary method and use P/E, P/B, ROE, ROA, EPS, debt-to-asset...

Traditional transfer mode of process data cannot meet the needs of modern general aircraft. Digital data transfer is basis for digital aircraft assembly. In view of actual enterprise requirements for digital process planning, a frame subassembly is taken into study object, a 3D visual assembly process...

Based on the data of the sixth nationwide census, considering the background of the implementation of the universal two-child policy, the inter-provincial population size and the inter-provincial population flow scale are predicted. According to the population data in 2010 and 2020, the evolution of...

During cardiac 3D mapping procedure, the dynamic surface reconstruction of heart chambers helps to diagnose cardiac disease and improve the operation precision by keeping the catheter in place. The paper introduces a new fast dynamic surface reconstruction method considering the distribution characteristics...

Human motion capture is widely applied in engineering bionics, ergonomics, aerospace, military defense, biomedical, sports competition and other fields. However, the human motion capture equipments are less developed in China. This paper presents a human motion capture system based on computer vision...

Intelligent wearable using machine learning IoT solutions are developing quickly to track and control healthcare and physical activity. The fog-centric, wireless, real-time smart wearable IoT framework for ubiquitous fitness and health analysis in a smart gym setting isthe primary focus of this study....

An agent-based framework was proposed for pay-for-use design applications. Under the framework 3D CAD models become commodities independent of the CAD systems in which they are created. In this way a user can easily shop around the Internet for the 3D models without the cost of purchasing or maintaining...

The paper proposed an algorithm about volume-calculation and weight estimation of coal stack based on image-processing. In this application system, the laser was assembled on the stacker, so that the scanning data can be collected from the laser with the movement parameter of the machine. 3D point cloud...

This paper presents a method for analyzing the tooth contact situations of a heavy-load planetary gearing based on Ansys Workbench. Firstly, a 3D finite element model of the whole gearing is established with 10 node tetrahedron elements. Then forces and loads bearing by the gearing are applied on the...

With the development of network information technology and multimedia technology, require Web sites with convenient, fast and efficient features, interactive website built into the current research focus. The use of interactive, resource sharing, this paper describes the development of interactive multimedia...

The video remains noisy for low cost acquirement equipment at high sensitivities. The issue of removing video noise is still of acute and in fact growing very importance. In this paper, three approaches are introduced. Each method has it's merit and advantage, the comparison to each other is done, and...

In this paper, the working principle and the method of using DRV8825 to drive the stepper motor are described, and the hardware and software design are given. Based on the introduction of TI's DRV8825 stepper motor driver chip, the chip has 2.5A bipolar step on-chip 1/32 microstepping stepper motor indexer...

This paper explains and demonstrates how to get stress intensity factors using different evaluation methods for a 3D plate with a straight through-thickness crack. The methods include interaction integrals, J-integral evaluation and energy-release rate. All results from these methods are compared with...

In the twenty-first century, the life science has been studied from the genome research into the structure and function of the structure, which can further reveal the mystery of life. In this paper, it takes the relationship between protein structure and its function as the breakthrough point, with the...

In this paper, we combine two powerful tools to handle the video denoising problem: one is an effective video denoising method based on highly sparse signal representation in local 3D transform domain, and the other is a low-rank matrix completion based video denoising method. Similarly, in our algorithm,...

DEFORM-3D is a finite element method (FEM) software that can perfectly simulate cutting process of materials. In order to research the cutting process of titanium, using DEFORM-3D software as a platform, through FEM on modeling and simulation to the cutting of TC4, the influence rule of cutting depth...

Multimedia technology is to point to by computer to text, data, graphics, images, animation, sound and other media information integrated processing, the user can through a variety of sensory real-time information interaction with the computer technology. Japanese multimedia hearing system is designed...

Sensitivity analysis is often used in investment decision-making to evaluate the risk under uncertainty. However, sensitivity analysis on the NPV method is seldom studied in the existing literature. This paper studied how sensitivity analysis could complement the NPV rules in investment decisions when...

As VR (virtual reality) technology gets better and better, VR reality course teaching realizes the transformation of teaching scenes, cultivates students’ interests, and effectively improves the teaching effect. Under the background of the extensive promotion of VR, virtual reality technology has been...

The paper mainly introduce the intelligent network teaching platform designed and implemented by university computer foundation course network learning platform oriented to language c # and based on NET structure, which is connected with ASP.NET technology and ADO.NET technology. This network learning...

The three-dimensional information of the badminton was obtained with epipolar constrain after the cameras of the badminton Hawkeye system were calibrated. The three-dimensional space coordinate of the badminton mass center was got and the flying curve of the badminton was fitted, which have laid a foundation...

In 3D games, pathfinding function is very common. The design can not only let the game player need not control the main body role through the keyboard and mouse blindly and arrive at the designated location more quickly to complete the task, but also can active AI roles and make the games fun to make...

With the great-leap-forward development of credit card, risk is also showing a trend of gradual expansion. Based on pre-control methods of damage control and Visual Basic .NET, the paper designs and implements credit card risk control system to provide information means for credit card risk control....

Aimed at the bottom of the oil field water flooding, the upper for low permeability thin poor reservoirs developed blocks. If poor vertical wells encryption mining benefit, using horizontal well development of the economic benefit is remarkable. Through the establishment of three-dimensional geological...

The independent smoke detector play a very important role in the prevention and control of fire. Combine BIM technology with GIS technology to improve the level of emergency services and fire control, reduce fire risk, improve the depth of 3D information technology and the ability of fire warning. Firstly,...

This paper mainly addresses design of retracting mechanism based on amphibious vehicle's low speed and strong resistance in water. Through analyzing problems faced in the design of amphibious vehicle, one kind of retracting mechanism based on double-wishbone independent suspension is proposed. The equations...

This paper introduces the Polarization 3D technology and Active Shutter 3D technology, expounds the image quality index of 3D TV. This paper introduce the measurement of brightness /chroma/crosstalk/viewing angle. This paper propose center point measurement of 3D TV Eyes crosstalk testing method, enhances...

Pandora’s main products include beadings, bracelets, necklaces and earrings. It was founded in Copenhagen in 1982 by Danish goldsmith Per Enevoldsen and his wife Winnie. In 1987, the factory was established in Thailand. In 1989, designer Lisbethlarsen joined and designed iconic beaded products. In 2020,...

The injection of wax pattern and the solidification of the metal are both essential procedures and having the major influences on the final dimensions. However, the main casting process steps and casting geometry affecting the dimensional shrinkage wasn’t quantitatively studied. In this study, dimensional...

Focus variation is an optical contact-free method that allows the measurement of 3D surface metrology using optics with limited depths of field and vertical scanning. It was documented in the ISO 25178-6 for the first time in 2010. Based on this method, two categories of typical instruments are described...

The U.S. and China are both competing in several fields for chasing the world’s top chair. This paper will demonstrate the protectionism impact utilized by the U.S. on China and Huawei based on case study approach. To be specific, the study made a review on protectionism theory based on U.S.’s policy....

Objective: to solve cultivation equipment problems for industrial cultivation of sprout, sprout aeroponics equipment that features vertical cultivation, aeroponics, ozone sterilization, water magnetization, automatic control technology and etc., is designed in this paper. Methods: SolidWorks 3D design...

Although the Intergovernmental Panel on Climate Change (IPCC) suggests that the net damage costs of climate change towards countries are likely to be significant, it remains a challenge in evaluating a country’s fragility and measuring the impact of climate change, in a less-subjective manner, since...

In order to find out whether Automated Writing Evaluation exemplified by Juku Correcting Net is reliable and valid and able to improve students’ writing ability, the author compares it with teachers’ feedbacks by analyzing students’ samples and pre-test as well as post-test writing scores. The results...