Advances in Computer Science Research

In this paper, we introduce a class of vector-valued four-dimensional wavelet packets according to a dilation matrix, which are generalizations of univariate wavelet packets. The defini -tion of biorthogonal vector four-dimensional wavelet packets is provided and their biorthogonality quality is researched...

With the rapid development of Internet technology and wide application, the smart home system based on Internet of things technology application was born. With services for the design scheme for drive, designed on the basis of the Internet of things technology of intelligent household design scheme,...

The boundary element method (BEM) using collocation with constant elements has been adopted to calculate the insertion loss of a sound barrier in a two-dimensional model. Analysis has been done on how the results obtained with BEM are affected by the numerical integration accuracy. First, the precision...

To process the fog and haze image,a local histogram equalization based on distant scale factor interpolation method to deal with the blocking effect was proposed .In this paper,We analyzed the basic features of the haze image,that is, low brightness and low contrast. And then,for these features we choose...

The cracking moment in negative moment area of the composite beam can solved by analyzing the strain difference between the steel beam and the concrete. The influence of shear slip between the steel beam and the concrete was considered to control cracks of the concrete more accurately. Verifying the...

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...

The face recognition technology has evolved and tackled many challenges while also providing opportunities for enhancement in diverse domains. Concerns regarding the privacy of the training data have given rise to privacy-preserving methodologies, including federated learning and least effort protection...

Technology forecasting plays a fatal role for enterprise survival and development. Technology maturity of thermostat is predicted with the TMMS and patent data algorithms. Radar plot is drawn to indicate the evolutionary potential for the further improvements of thermostat. It is pointed out that thermostat...

A security management mechanism with white list is proposed based on trusted computing technology. The mechanism runs dynamic measurements to verify their integrity when the software or the program starts, which is an active defense mechanism based on trusted computing technology. It can effectively...

Live commerce has become an increasingly important sales channel under digitization. Live commerce, as a form of digital platforms, has three main characteristics: entertaining nature, no equipment restriction, and frequent huge discounts. But whether features of live commerce work well with luxury brands...

With the development of the economy and the maturity of the network market, more and more people book hotels and tickets online. When the customer book hotels online, online reviews play an important role in consumer booking decision. Despite researcher's attempts on examining different aspects of online...

In recent decades, a lot of quality and design problems of urban footbridge appear, these bridge problems often causes traffic jams and different traffic accidents, more serious bridge problem will cause certain people casualties. This paper uses universal finite element software ANSYS to establish three-dimensional...

Oil in water drilling fluid is a suitable water based drilling fluid for horizontal well, because of good lubricity, liquidity and borehole stability. Optimized and matching emulsifiers, in the2:8 ratio of oil to water, the emulsifiers OP-10+SP-80 ratio of 3:2 is the best effect of emulsion stability,...

Based on the concept of MDS, the interactive evaluation system is established to help the process of product development among products, dialogue between product and user, understanding, building a hierarchy, the level of cognition. Through the setting of cognitive standard, single dimension, basic dimension,...

Spatial orientation ability refers to the ability of people to judge and understand their attitude, position and movement in space. Weak spatial orientation is an important reason for flight safety. At present, the domestic and foreign training of flight personnel spatial orientation is mainly used in...

Pellet has advantages of convenient transportation and improving powder performance, so it has been widely used in biomass-energy , feed industry, fertilizer and waste disposal industry. Low pulverulent ratio is the main target of high quality pellets, therefore FEM method was used to predict the influence...

The development of science and technology promotes the development and updating of computer science and technology, which meanwhile also expands its application range. What’s more, with the continuous development of computer science and technology, its application in terms of engineering construction...

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 cpu design, the register file is a necessary device which save the instruction and data. In this paper, we propose a design method for multi-port register file design in the environment of single-cycle CPU system based on the MIPS instruction set and according to the characteristics of multi-port...

Plating factors of graphic design of copper patterns and plasma pretreatment of dry film were investigated to find their effects on bottom-up plating quality of copper pillars. The thickness of copper pillars is examined using scanning electron microscope. John's Macintosh Product software is used to...

Fischer Technik is a high-tech engineering assembled model. It is an ideal teaching aids for demonstrating scientific principles and technological processes. The main components of Fischer Technik are high quality nylon plastic with accurate dimensions; you can repeat disassembly without affecting the...

People nowadays ask higher requirement on timeliness of information, and it is not enough to get information in a fixed place while sky rocketing people expect to get important information anytime and anywhere. The emergence of mobile information processing or mobile computing aims to achieve this goal....

This thesis conducted a comparison analysis via an experiment on clutch pedal effort hysteresis response characteristic in accordance with oil line characteristic which makes up the drive system in automobile clutch. Clutch drive system experiment Jig was composed and used in comparison analysis of response...

According to analyze the identity of ocean wave, the theory of wave energy spectrum was used to compute the wave elevation in some sea state. Based on establishing ship motion equations, the strip theory of the ship was used to simulate ship motion in different situation. The result showed the change...

The need for patient-centered electronic records that can store and retrieve the myriad details of a patient’s medical history as documented during treatment has increased dramatically. These records are vital for future care, billing, or treatment. The distributed ledger technology known as Blockchain...

In order to effectively restore the motion blurred images, this paper analyzes the point spread function (PSF) under the uniform linear motion module and simplifies the PSF into binary function constituted of blur extent and blur direction. The paper adopts the direction of differential operator based...

Contemporary college students are gradually becoming mature groups. As a special consumer group, their consumption behavior directly reflects their consumption concept and value orientation. Whether their consumption concept is scientific and reasonable has an important effect on whether they can form...

MOOC is a big open online courses. At present, the development of the MOOC is very rapidly in various countries. MOOC platform is continuously advancing in some colleges and universities. In this article, the MOOC is carried on the simple introduction; MOOC development present situation is analyzed;...

Combining with integrated Substation Automation Systems, this paper describes the data communications and the development trends of the Substation Automation Systems, which is suited to the new or modified rural substations. The paper also presents the design methods of the Supervisory Control and Data...

The range-gated imaging technique can effectively restrain the backscattering of light and greatly improve the observation distance of photoelectric imaging system in day and night with bad weather. In this paper, a miniature near-infrared laser range-gated imaging system is designed. It is convenient...

With the continuous development of DC transmission technology, more and more high-voltage UHV project put into operation. Therefore, we need a more reliable and flexible way to participate in the design inspection work. In this paper, we first analyze the main components of HVDC transmission system components,...

The accuracy of a micro inertial navigation system is greatly influenced by the complex vibration environment of the vehicle, an embedded vibration attenuation system structure is designed and its rigidity is checked. The correctness of this structure design is verified through the modal analysis and...

Wireless sensor network target tracking node selection has a significant impact on the life cycle of wireless sensor networks, therefore this paper proposes a tracking node selection algorithm with tracking quality assurance. First, analyzes three elements wich have impact on residual energy of node...

With the emergence of computer networks, information technology has become an indispensable part in people's daily lives, greatly contribute to the progress of human society. However, with the continuous progress of network information technology, network virus has emerged, and has brought and will continue...

This paper reviews embedded system from a completely new perspective of methodology to elaborate that its nature is technology concept and development approach based on system design. It starts with this concept, and the topic takes platform technology as idea collector of modern design methods to discuss...

ultrasonic ranging system USES AT89C51 as the main controller, the dynamic scanning method is used to implement LED digital tube digital display, complete the ultrasonic driving signal with single-chip microcomputer timer. Ultrasonic directivity is strong, energy consumption slow, in the medium transmission...

Ethereum has recently surged in popularity, as it can hold various digital tokens and decentralized applications. This paper aims to predict UNI’s price in USD through dynamic network analysis and time-series analysis. Previous research in this field rarely considers comprehensive network analysis while...

It is very important to establish the employment guidance course of college students. On the one hand, it can improve the comprehensive ability of college students 'employment and can help them to achieve the goal of career planning. On the other hand, college students' employment guidance course of...

Weibo, a Twitter-like online social network in China. The statistical analysis indicates that, most weibo users will use the emoticons when they release tweets. And it is more intuitive to observe the user's sentiment attitude through these emoticons. The purpose of this paper is dividing the weibo text...

With the fast development of image science and embedded system technique, it is widely accepted that future HPC systems will be limited by their power consumption. The current high performance computing system is a commodity server processors, design for many years to achieve maximum performance, and...

The previous drilling practice showed that there were many drilling difficulties in igneous rock, such as less footage of one bit, lower roundtrip ROP, more tripping times, etc., which severely influenced the exploration and development process of carboniferous formation. After analysis, the reasons...

This paper analyzes user learned historical data’s business characteristics of distance education platform. After comparison and analysis using PrefixSpan algorithm, proposed a model with the ability to track the sequence of interest is recommended changes. Research on key technology of sequence databases,...

Aiming at the problems in service oriented real-time multimedia transmission, such as a long delay, frequent jitter and low reliability, this paper proposes LD-RPath algorithm LD/RPath estimates the dynamic data volume on service nodes and links through reasonable data volume approximation. And the data...

Global buckling of submarine pipeline in high temperature and high pressure has become the key problem in pipeline stability design, which restricts the development of offshore oil and gas resource. Due to the pipeline is full of oil and gas, once to destroy or leak, the state economy and environment...

Diffusion bonding is an effective way to join beryllium with other materials. To study the elements diffusion near the bonding interface so that improve the joints performance, the microstructure, and distribution of composition and phase on the interface of Be/00Cr17Ni14Mo2 stainless steel diffusion...

Accurately predicting the onset of cardiovascular disease is one of the most pressing problems in modern medicine. Medical experts devote a great deal of time trying to pin down what's causing this. The goal of using several algorithms, including LR, KNN, SVM, GBC, and the GridSearchCVs, is to forecast...

A spectrum correction algorithm is proposed in this paper to estimate frequency component of a dual-frequency signal accurately, this method is a kind of algebraic algorithm base on the model of dual-frequency or multi-frequency spectrum, and it is a real-time algorithm. The principle of the algorithm...

The crude oil in Hainan Fushan Oilfield has the characteristics of high pour point(PP) and bad low temperature flow properties. Based on the analysis of Fushan crude oil physical property and test results, the pour point depressant(PPD) FJ-2 was synthesized by the graft copolymerization of vinyl acetate...

Software Defined Networking (SDN) is an innovative networking technique that separates the data plane and control plane, enabling more effective traffic forwarding and centralized network administration. But the centralized nature of SDN also makes it vulnerable to a variety of attacks, the most prominent...

Microgrid protection is one of the crucial technology of microgrid. In this paper, a new microgrid protection scheme was proposed, which is suitable for microgrid working in both grid-connected and island modes. We proposed a solution for the challenging problem in AC microgrid, as the limitation for...

Based on the intrinsic mechanism of container port operation, this paper analyses the influence factors of the container port low-carbon greening development. Then the goal system of low-carbon & green container port development is put forward which includes discharge and control of pollutants, carbon...

CDIO engineering education model is the latest achievement of engineering education reform in recent years. And it is established with 4 years of exploration and research by the multinational research organization, including Massachusetts Institute of Technology and other 3 universities. It is a new,...

The university students' individual life stage is gradually mature,independent thinking,outlook on life,world outlook and values gradually formed,gradually entered a critical period of social. In this stage,the problem of college students will directly affect the development of life,not only can not...

This design is wearable digital heart rate meter, the acquisition and transformation use of heart rate data in lower computer is STC12C5A60S2 MCU with high speed 51 kernel, the heart rate sensor is used in photo-electric reflective analog sensor, which adopted method combine hardware and software filtering...

In the context of the omnimedia era, English news is one of the quickest ways to communicate information between China and foreign countries. English news headlines have their own characteristics. To some extent, news headlines can reveal the inherent nature of the news. The thematic structure of the...

The agile virtual enterprise sets up the distribution centre and store centre of dynamic alliance. It’s the important way that realizes the supply chain "the agility". It is discussed in this paper. This paper reseaches to use the precise centroid method and linear plan model to carry on the selected...

With the fast development of image science and embedded system technique, the need for the combination is bursting. In this paper, the advantages of scalability of the presented embedded vision system can be seen based on the exemplary application room monitoring. Here it's remarkable that the implementation...

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...

The single pile foundation of offshore wind turbine is currently the most common form, but the huge loads and the overturning moment make characteristics of foundation is different from offshore oil platforms. Using elastic-plastic element of ABAQUS simulation of pile foundation in bearing stress and...

In the context of population aging furtherly deepening in China, it’s an effective way to evaluate the actual pension demand of urban and rural residents and the demand for real pension endowment service by constructing quantitative index models. Also, reasonable policies combined with the advantages...

A trajectory design methodology is developed for autolanding phase of RLV (Reusable Launch Vehicle) based on iterative correction algorithm in this paper. According to the inherent traits in phase of unpowered landing of RLV, geometric structure of trajectory and dynamic characteristics of the aircraft...

In view of the variable frequency constant pressure water supply system, according to the change of water consumption by users, analyzed the requests of pump number increase or decrease shall meeted,in guarantee of the premise of basic constant water pressure in pipe network,to make water pressure stable...

Thermal drying efficiency and odor emission characteristics under different temperature of municipal solid waste (MSW) were studied. The results showed that: water content decreased sharply with disturbance thermal drying mode. The highest peak of total amount of odor was at 600 and the lowest was at...

Diffusion bonding is an effective way to join beryllium with other materials. To study the elements diffusion on the bonding interface to improve the joints performance, the microstructure, and the distribution of composition and phase on the interface of Be/Cu/00Cr17Ni14Mo2 stainless steel diffusion...

To improve college students' cultural quality is related to whether China's strategic goal of constructing socialist modernization can be achieved and the major strategic issue that whether the Party's basic route can be unwavering for one hundred years. Therefore, each college pays full attention to...

TETRAD’S represents an exceptional cryptographic algorithm innovated by the authors, with the objective of enhancing the security of data. This algorithm employs matrix representations, XOR operations on binary strings, and customized functions to generate an S-box for encryption. In addition, the algorithm...

ChildrenÕs literature, as a kind of cultural products for children, is under all-round impact in the context of new media era. With changes in children's psychology, aesthetic appreciation and acceptance methods, children's literature writers should grasp these changes to construct field for current...

Based on the foreign and domestic research on innovation index and the data from National Engineering Research Center, this paper calculates the innovation indexes by industry, unit character and region, as the view from the classification of disposition of S&T resources and S&T input-output, using AHP...

With the introduction of new energy electric vehicle subsidy policy, the construction of automatic charging station has become a major obstacle to the rapid development of China's new energy vehicles. In this paper, a new type of solar charging station is designed according to the requirement of the...

On the basis of cloud model, proposed the intelligence firefly algorithm, analyzes the position, strengths and weakness in objective function’s quantization individuals of solving problems. We propose the applications of improved firefly algorithm in cloud computing task scheduling. Starts with the need...

The project deals with the administration and data management of the technical infrastructure in urbanized areas of the Czech Republic (CR). It focuses on data management in the private sector and in state administration. The research compares the data models in a GIS environment available in the CR....

This paper proposes a hierarchical association multi-target tracking trajectory generation method. The AdBoost method combined with online discriminant analysis apparent model is first utilized to achieve initial tracking trajectories; then, the Hungarian method is utilized to optimize fragmented and...

An approach for software reliability qualitative evaluation by using a modified Delphi hierarchy process based on cloud model was proposed. When the weights of the factors affecting software reliability are determined, we can obtain software reliability qualitative rules using standard weighted association...

Cloud computing is becoming one of the hottest research area in the computer science and technology community. With Moore’s law supplying billions of transistors on-chip, embedded systems are undergoing a transition from single-core to multi-core to exploit this high transistor density for high performance....

In order to estimate the performance of partial casing treatments, this study improved the classic parallel compressor model, which divides a partial casing treatment compressor into a casing treatment sub-compressor and solid-wall sub-compressor in the circumferential direction. According to the characteristics...

Under the global economic integration trend, the economic and trade exchanges between China and other countries are increasingly frequent. As the legal means and basis to safeguard the rights and interests of both contracting parties, the contract plays an important role in social economic activities....

CiteSpace is visual document analysis software, by which performances and trends of certain disciplines can be displayed for a given period. Moreover, the evolution of a frontier research can be explored by such software as well. This research focuses on the visualization study in bibliographic databases...

Er-doped TiO2 photo-catalysts were synthesized by microwave-hydrothermal and sol-gel method. The purpose of the experiment was order to improve the photo-catalytic activity and accelerate the degradation of pollutants, for example methyl orange. The structure and morphology of TiO2-Er were characterized...

Real Estate Appraisal of apartment by traditional cost approach is heavy and the results tend to be affected by the appraisers' subjective opinions. To overcome these shortcomings, the study introduced GIS technologies into Cost approach for real estate appraisal of apartment. With separate estimation...

Lithium ion battery has a series of significant advantages, such as a low energy consumption, high specific capacity and specific energy, high working voltage, long cycle life, low self discharge, friendly to environment, good cycle performance, long service life and so on . Today it is widely applied...

This study presented the design and online experiments of a self-paced EEG-based BCI for controlling a car in real world environment. This paradigm using two distinct MI tasks to generate a multi-task car control strategy, including start, move forwards, turn left, turn right, move backwards, and stop....

Software testability design is an important approach of improving software testability. Based on the baseline model embodying the observability of data processing, a new effective software testability design model BBDM is proposed through using hardware BIST for reference. This model can improve software...

A method begins by a processing module of a dispersed storage network (DSN) obtaining utilization information regarding a plurality of storage units of the DSN, where first and second sets of storage units support a first logical storage vault. The method continues with the processing module detecting...

Compared with the ordinary books scanner's complexity and huge size, the design of a USB-based scanner module was much acceptable.In the module, the OV7670 was used for image acquisition, and two AVAGO optical sensors were used to acquire the position coordinates of the area which would be scanned. A...

This document explains and demonstrates how to prepare your camera-ready manuscript for Trans Tech Publications. The best is to read these instructions and follow the outline of this text. The text area for your manuscript must be 17 cm wide and 25 cm high (6.7 and 9.8 inches, resp.). Do not place any...

College counselors are the most important educators in college. They are the core teachers who manage students and are the soul tutors of students' growth.At present, the social environment change rapidly and the diversification of the development of science and technology continue to affect the lives...

Risk assessment is the most difficult and most time-consuming process of project risk management. In the complex and volatile market environment, the project risk is more difficult to predict. Although numerous projects which have been completed provide much valuable knowledge for reference, it has not...

The colleges and universities to enhance college students the socialist core values is shouldering the important responsibility. In recent years, our country of socialist core values education in colleges and universities attach importance to the extent of the deficiencies in the process of innovation,...

In this paper, a theoretically efficient method is developed for face recognition. It is based on two dimensional principal component (2DPCA) analysis and extended local binary pattern (Extended LBP, ELBP) texture. First, the ELBP operator is employed to extract the local texture of the face images....

Based on the analysis of current demand for commercial insurance in Qingyang, this paper investigated the main factors affecting consumers to cover commercial insurance with questionnaires, and proposes countermeasures of optimizing the market structure, expanding marketing channels and raising income...

This paper proposes a novel multi-sensor Bernoulli filter (MSBF) based on the finite set statistics (FISST) for tracking a single target under the presence of detection uncertainty and clutter. The proposed algorithm is an extension of original Bernoulli filter in multi-sensor tracking. First, FISST...

Research purposes: In recent years, according to on-site observation, it is found that CWR in ballastless track will produce lateral deformation in sporadic bending form. For high speed railway, it is easy to stimulate hunting motion of locomotive and rolling stock and has a great impact on driving stability,...

A system for promoting the safety of workers comprises a digital imaging device positioned to capture one or more images of a predetermined viewing area. Further, the system comprises an image processor operatively associated with the digital imaging device. The image processor is configured to determine...

The InGaAs/InP avalanche photodiodes (APDs) are one of the most practical devices for single-photon detection at the near-infrared wavelengths. In this paper, we report a Chinese-made InGaAs/InP APD based single-photon detector operated at 1.25 GHz. The combining technique of sine-wave gating and low-pass...

Firstly, based on the concept of culture conflict of transnational M&As, quantitative indicators of culture conflict of transnational M&As were determined. Secondly, so as to calculate the value of the culture conflict, the indicators were quantified, then how to measure the overall value of culture...

How to efficiently process and analyze online reviews of tourists has become one of the key issues for tourism operators today. This helps to identify user concerns and emotional tendencies to a large extent. More importantly, the knowledge gained from data mining can be used to improve the services...

Constraints in market access, uneven pricing, and overreliance on intermediaries are some of the key challenges faced in agriculture. They tend to lead to lower prices for farmers and inflated prices for consumers. This study proposes a mobile application for Direct Market Access (DMA), where farmers...

There are differences between Chinese and American discourses due to differences in cultures and modes of thinking, and they are of great significance to English writing teaching in universities and colleges. Differences between Chinese and American discourses not only brought many opportunities to English...

In the distribution network, the single phase grounding fault of potential transformer (PT) caused by burning phenomena occur. PT transient characteristics of the primary side current, On the basis of single-phase grounding fault and the equivalent model simulate PT transient characteristics of the primary...

The ubiquitous use of IoT (Internet of Things) devices is on the increase. In order for an Internet of Things system to function, it includes all of the necessary hardware, software, networks, sensors, and other parts. The developers of these sensors and devices, however, often omitted details about...