Advances in Computer Science Research

Due to favorable sound isolation to the impact sound transmission, People are prone to adopt floating floor as insulation structure. Of the researches on impact sound insulation through a floating floor, the theoretical study is much less than the experiment analysis. For the purpose to determine sound...

In this paper, we conduct research on the developmental trend of modern wearable devices from perspective of the human-computer interaction. Wearable computers have to face the primary products market, the development momentum is very fierce, can be applied to various fields, has a great market potential,...

With the development of Internet of things' technology, all fields of social life are use related technologies of the Internet of things. Using Internet of things' technology to monitor cultural relics in museums can protect cultural relics not to be damaged. In combination with sensor, numerical control...

In this paper,the positioning data for large planar scanning plane were measured with laser tracker, converted the coordinate by spatial error between scanning plane and tracker , and analyzed the converted error data. For the subsequent use of the least squares method error compensation provided.

Development of College Student Information Management System is an inevitable trend of the current campus information technology and an important means. Based on the information for college students’ detailed analysis of the architecture, the main function of the system on the basis of the detailed design,...

C4.5 algorithm is one of the ten classic algorithms of data mining, it is a series of algorithms used in machine learning and data mining. This paper mainly studies the application of C4.5 algorithm to the analysis of performance data, to dig out the hidden relationship between various factors and test...

The culture of era as a representative of a particular era, with distinct characteristics, expressed through different arts. Among them, the application in the popular clothing design is very obvious. The development of the times, and constantly promote the continuous development of various types of...

Digital modulation technology is widely applied. The principle of Binary Frequency-Shift Keying (2FSK) modulation is introduced and it is extended to Multi-Frequency-Shift Keying (MFSK). In this paper, a simple and easy modulation and demodulation method is presented. Frequency modulation uses baseband...

It is an important base that is colleges and universities for ideological and political education of college students. It is an important period for college students' outlook on life, values and world outlook. It is also an important stage for determining what kind of college students have become. This...

In this paper, in order to improve the sensitivity of the sensor, using FLUENT software to simulate the temperature field of the closed cavity to find out the optimal thermal wire position. The distribution of temperature field in the closed body are calculated when the sensor is in different inclined...

This paper used random forest method to produce susceptibility analysis for earthquake-induced landslides. A landslide susceptibility model was built based on random forest method and data of environment variables and Newmark displacement. Landslide susceptibility mapping and attributes evaluation was...

The groove vibration polishing machine is made of Q235A. The allowable stress value is given by the yield limit. Its value is sigma s=235MPa.The harmonic response analysis of groove vibration polishing machine is to analyze the deformation and stress distribution of the tank body under different frequencies...

The roles that the two languages play in shaping the identity and character of language learners are also worthwhile studying. This study focused on the relationship between language and culture, and between language and speakers to let language teaching be more efficient. Using semi-structured interviews,...

Provable approach of real time news fetching and classification systems has developed with the progress of Natural Language processing (NLP) particularly after early 2023. The high accuracy, efficiency and interactivity gained with the help of AI-driven systems like those based on BERT models for news...

In this paper, a synchronization scheme for complex delayed dynamical networks with two couplings is investigated via periodically intermittent control methods. The scheme contains system delay and coupling delay, and its coupling matrixes are nonsymmetric. Some exponential synchronization criteria are...

The structure of the intelligent substation network is analyzed. The typical design is discussed for the process level network, the station control layer network and the time synchronization network. On this basis, the typical issues of the intelligent substation network are analyzed and corresponding...

As machine learning continues to mature and advance, stock prediction has been extensively discussed across diverse fields of study. Compared to pure price, stock return seems to matter more, for people tend to always attach most importance to the chance of winning revenue. However, research that deals...

In the field of computer vision, planar homography plays a pivotal role in our research process. The homography matrix is capable of performing a variety of functions such as image warping, stitching, and video stitching. Within the realm of epipolar-geometry, it enables the execution of numerous tasks,...

Globally, construction utilizes 24% of raw material extractions; the construction industry uses more materials by weight than any other industry. Currently, the construction industry is undergoing a substantial transition period, as the impacts of buildings are detrimental to the environment. In order...

Facing the complexity and variability of electronic circuit design, evolvable hardware has gradually become one of the effective methods to design hardware. Algorithm influences the direction and progress of evolution. In order to improve algorithm and solve the current problem that the evolutionary...

In view of the current international security situation, this paper proposed a new steganography algorithm based on MP3 audio format aimed at solving solve the problem of network security communication. This algorithm combined pre-type algorithm and inlaid-type algorithm of MP3 audio steganography .Pre-type...

In order to reduce the grounding resistance of the grounding device, people takes various measures, as shown below: expanding the grounding grid area, exterior grounding, utilizing natural grounding, deep well grounding, local soil replacement and the like. The paper introduces the principles and the...

Numerical study of dielectric barrier discharge of CH4/air mixture were carried out by employing a coaxial cylindrical electrode with diameter of 10mm under the condition of the discharge voltage of 6000V. The influence of electrode structure parameter and equivalence ratio on electron density were analyzed....

Most of the histogram-based watermarking methods focused on the geometric invariance feature more while paying less attention to the robustness to some common image processing attacks like JPEG compression. In this paper, we propose a new histogram modification scheme considering the visual quality of...

The working enthusiasm of sales staff determines the performance of enterprises to a certain extent. A set of reasonable salary systems can maximize the working enthusiasm of the sales staff. Through optimizing the original salary system of the sales staff of an electrical appliance company, this paper...

Starting from the design and development of intelligent soft outfits, this paper focuses on experiments such as optical fiber performance index determination experiment, optical fiber laser processing experiment, the composition ratio of recycled pulp fiber experiment, yam dyeing on different materials...

This paper will focus on Bouc-Wen hysteresis model to study the time-scale similarity of the hysteresis. Considering different hysteresis characteristics of Bouc-Wen model, this paper studies the time-scale similarity between the output curves of different hysteresis characteristics under the excitation...

To solve power quality problems caused by voltage sag, an improved adaptive genetic algorithm is presented for the optimal allocation of power quality monitors. The basic idea of the algorithm is that the entire system can be observed when voltage sag occurs on the buses and along the lines, and thus,...

Planar near-field measurement technology is an emerging technology for near-field antenna measurement. It has been widely used in foreign countries. In recent years, domestic develop faster and faster. Gantry motion platform positioning technology is one of planar near field measurement technology key...

Grounding is an important technology of microwave circuits. Soldering process can realize the grounding of microwave chip. However, the solder voids in soldering can make the reliability of grounding worse, deteriorating heat conduction performance and conductive properties, resulting in an error in...

Taking engineering education certification as an opportunity and according to professional standard of engineering education certification, the reform plans are put forward. At first, we discuss recognition of professional engineering education certification in this paper. And professional engineering...

In order to evaluate the cyberspace security of smart city, a new cyberspace security evaluation model of smart city is proposed, which is based on the big data and the classified protection technology. The key performance indicator and analysis algorithm is provided to quantify the cyberspace security...

A low level of haemoglobin in the blood is known as anemia, and it can seriously harm important organs like the kidneys and heart. Conventional diagnostic techniques frequently require intrusive procedures, which causes anxiety in the patient and postpones care. This work uses images of the palpebral...

In the electronic design competition and practical applications, there are often a variety of smart cars. Its performance and requirements are constantly improving. Automatic tracking is one of the basic problems to be solved. The black and white line tracking is a commonly used way. In the black and...

A storage-type downhole electronic pressure gauge requires long-time recording of downhole pressure and temperature data during fracturing. Battery life is a vital performance index of this type of pressure gauge. Given inherent limitations in battery capacity, reducing power consumption is the main...

In order to optimize the triple-base propellant's preparation technology and improve the combustion performance, used the half solvent method to prepare a series of propellant samples with different solvent ratios, and used the close bomb experiment and scanning electron microscope (SEM) and other experiments...

For the enterprise knowledge network, we should give full play to the role of knowledge network in knowledge sharing, knowledge reuse and knowledge innovation. The construction of knowledge network is based on the development of enterprise knowledge management and knowledge engineering. This paper first...

In the context of global economic integration, China's maritime industry has been developed unceasingly, especially with the promulgation and implementation of the STCW Convention Manila Amendment and the new domestic navigation laws and regulations, to promote the development of maritime industry, but...

In this paper, using the optimization method of replacing the temperature with power to calculate the temperature distribution of the airflow level posture sensor in closed cavity. The temperature distribution of sensor in closed cavity is calculated at different inclination sensor status and under different...

Traditional examination by the teacher to choose, group, organization, after the examination, and then by the examination papers to correct, determine the results. Therefore, many factors, such as the standardization degree, the difficulty degree and the rationality of the evaluation, are more easily...

In order to effectively improve the accuracy of fault diagnosis of wind turbine gearbox, a fault diagnosis model based on improved firefly algorithm for extreme learning machine is proposed in this paper. The extreme learning machine overcomes the shortcomings of traditional neural network, such as slow...

In this paper, the concept of domestic and foreign about equipments management in enterprises and information construction method was be fully concerned, combined with the actual manage situation of railway corporation and the railway transport enterprises, this paper puts forward the construction ideas...

As China's electricity transmission and distribution tariff reform deepens, power grid companies at the current stage are shifting from the idea of "high investment, heavy assets, and fast growth" to making a precise investment and ensuring its effectiveness. As the investment in power...

Up to now, as the most popular and widely used domestic social media mobile application with the most registered users, Sina Weibo has become the main platform of growing numbers of hot events occurring and spreading. This paper aims at the demand for analyzing specific events on Sina Weibo for public...

In view of the common network monitoring and maintenance methods can not meet the needs of aerospace communication IP network management, this paper based on aerospace communication IP network characteristics, research and development of auxiliary monitoring system to achieve the important line status...

The crushing effect of waste phone's circuit boards by mechanical–physical method under different pretreatment processes (without pretreatment, disassembling electrical components, heating treatment) was investigated. The composition, mass distribution, feature, liberation degree of crushed products...

In engineering design, there are many functional relationships which are difficult to express into a simple and exact mathematical formula. Instead they are documented within a form of line graphs (or plot charts or curve diagrams) in engineering handbooks or text books. Because the information in such...

The unidirectional convergence condition and unidirectional convergence domain problems for nonlinear system are studied. Firstly, linear dynamic closed-loop equation is obtained by designing linear switching function and corresponding control law. Secondly, the reaching position of the system is calculated...

This article introduced the Alias of automotive rearview mirror A level surface design content. Also explains the concept of A level surface characteristics, analyzed the meet class A surface design method of modeling steps and auto rearview mirror. Modeling scheme decision, according to three view drawing...

Many fields, such as film reviews, recommendation systems, and language processing, have effectively adopted and utilized topic modeling with Latent Dirichlet Allocation (LDA). Many texts analysis tasks, however, rely heavily on sentence construction and words to capture the meaning of text. However,...

In order to improve the recognition rate of human behavior by intelligent terminals, a network model for deep learning of human behavior recognition is proposed. Time series data is transformed into a deep network model by performing motion segmentation using a sliding window algorithm. Feature vectors...

This paper makes an empirical study on the correlation between innovation enterprises and the innovation performance of the innovative talents in the local colleges and universities through the KPF-VAR model to estimate the relationship between the innovation and the innovation performance spillovers....

High power single-phase PFC such as multi-level interleaved APFC or single-level APFC with multiple power devices in parallel is required for high-power household electrical appliances, communication power and other electric-equipment which are supplied by single-phase AC power source. This paper theorizes...

The problems in industry design faculties at the existing Tertiary Education Institutes include: practice lags far behind theory, interaction lacks between faculties and real markets; insufficient supply and instability in higher research faculties. Therefore, this thesis is to introduce a new development...

In this paper, the method of "depth map" is used to convert 2D video to 3D video, and the method of depth map is studied. A method of creating a red and Blue 3D image based on depth image rendering (DIBR) is proposed for the problem of hole in the left view. According to the parallax information of red...

The society need the professional talents who are with good profession skill quality and can adapt quickly to the society. However, the students cultivated by current traditional education can’t meet the requirements of the talent market . Considering the quality problem of the student cultivation, set...

General image matching method is faced with many problems like the selection of template and mismatching. In order to solve these problems, in this paper, general image matching method is improved based on contracting mapping principle, matching is implemented by finding the fixed point between images....

In the new situation, precision poverty alleviation has become the core project of national poverty alleviation strategy and an effective way to promote the all-round and coordinated development of rural economy.The poverty alleviation of rural tourism is the most important part of the poverty alleviatio.With...

At present, most of the operation table has single functions and own drawbacks like high cost, and difficult to repair after failure. In this context, a novel control system of the electric operation table is proposed in this paper. The control system mainly includes handheld controller and main control...

In order to discuss the effect of the base cavity shape on the projectile aerodynamic force, projectile with different base cavity shape, column and truncated-cone (dilation and shrinkage one, with different incline angle " ", 15ø, 10ø, 5ø, 2ø), was investigated numerically. The distribution of the flow...

This paper outlines the concept of Ad hoc networks and analysis of this type of network and application prospects of further development of today's society. The main starting point for the study and analyze routing protocols AODV routing protocol from its operational mechanism. With the Eclipse development...

In this paper, an multi-mini-partition intra block copying (MMPIBC) coding technique for screen contents is presented. In MMPIBC coder, a Coding Unit(CU) with size 8x8 is firstly broken into multiple mini-partitions. Each mini-partition of CU separately select the displacement vector(DV) with the same...

Compared with traditional networking, Software-Defined Networking (SDN) enables to solve the scalability, flexibility and other aspects of the problems. However, there still have some questions about previous relevant works for security control. Thus, in this paper, we analyze the new challenges and...

In order to adapt to the development and changes in the era of big data, many industries are undergoing reforms or are about to face reforms, including the education industry. In the era of big data, the teaching informatization level of many teachers needs to be improved, and the educational informatization...

The rapid development of computing power has significantly boosted the adoption of quantitative investment strategies in global financial markets. While Compared with the limitations of traditional analytical methods in complex market environments, machine learning algorithms demonstrate significant...

In order to speed up the application of the energy of the Internet, to promote the planning process of the national energy strategy, and build competitive and healthy market mechanism fully, Energy Internet and block chain technology is studied in this paper, in view of our country's development energy...

Based on the survey of 68 Shaoxing agricultural science-technology enterprises, we found the input factors are relatively stable in agricultural science-technology enterprises in this region, including personnel input, agricultural production base, R & D funds and technology project etc. In terms of...

Focused on the optimization of lunar ascent nominal trajectory, an algorithm based on the unscented Kalman filter (UKF) parameter estimation is proposed in this paper. The optimization of lunar ascent nominal trajectory problem requiring minimum fuel is formulated as a two-point boundary value problem...

USB (Universal Serial Bus) as a computer peripheral bus standards, is a flexible and efficient bus interface. The new version of USB3.0 theoretical transfer speed is up to 5.0Gbit/s, which greatly increases the data transfer bandwidth while retaining its inherent advantages. It’s very suitable for high-speed...

Purpose: to discuss the biologic and chemical mechanism of the influence on the organisms’ health exerted by different athletic loads. Method: experimental method is adopted to observe the influence of different athletic loads for six weeks continuously on such indices as IgG, CK, LDH, GPT-ALT and so...

Internal solitary wave is one of difficult problems in ocean field, scholars have applied different methods to investigate parameters of internal solitary wave, and group velocity is an important parameter for the internal solitary wave prediction. In this paper, equation used to describe group velocity...

With the rapid development of China’s economy, the number of vehicles has a sharp increase. It led to the traffic problem becoming more and more serious, with the problems of traffic congestion, easy to cause accidents, solving the accident no in time and so on. For the current traffic congestion problem,...

When there are multiple investment projects, those who have the opportunity will usually choose the investment through calculating the net present value(NPV), and if an investment has the biggest net present value, then it will be the optimal investment. When the life of investments is the same, we can...

With the development of the information age, the traditional library can not meet the users' needs for information resources, it needs to be digital transformation. The mobile terminal as the currently new developed information devices, has great convenience that the user can access the Internet anytime,...

The center point deflection of melamine veneer joinery shelf is calculated through orthogonal isotropic deflection equation, and is verified on the basis of the experiment. Then, the calculation formula of the deflection value of melamine veneer joinery shelf that satisfies the practical production is...

This paper analyzed energy consumption and emission estimation method of Blade Electric Vehicles(BEV) both in home and abroad at first, compare its similarity and difference; Then we analyzed consumption and emission of HEV and PHEV, carefully compared the difference between China and America and drawn...

Evaluating the skin condition objectively and effectively is not only conducive to the maintenance and improvement of individual skin and making evaluation of skin care products to use utility, but also could be powerful evidence on human health degree. Because a lot of factors have affected the skin...

In order to analyze the operating condition of the leakage current of the insulator effectively, a cluster structure clustering algorithm based on density named DBClustering is designed. In this paper, four characteristic values of leakage current are extracted from the two aspects of leakage current...

An improved ADRC controller is designed for the crane system. Firstly, the extended state observer (ESO) is used to observe the total system disturbance consisting of the system’s dynamic perturbation, the system model variations and outside disturbance such as the wind effect. Secondly, to eliminate...

Recently, thanks to the rapid development of deep learning, there are many methods to remove shadows in images by using generative adversarial networks. Most of them can learn the relationship between different domains, like shadow and shadow-free areas, to transform the shadow areas into areas with...

There exist the problems on the professional teaching of industrial design, such as lacking index pertinence, the singleness of evaluation form and method, the singleness of valuator, as well as the poor timely feedback. Therefore, this paper introduces the general teaching evaluation system based on...

The new urbanization is a major strategic the Under the new economic situation, the development of China's cultural industry step into the new period, cultural consumption has become a powerful booster for the development of cultural industry. For the problems of the existence of cultural consumption...

As a new type of structural material, X-cor sandwich with high specific strength and high specific stiffness effectively improves the through thickness mechanical properties of the foam sandwich and is promised to be used in the field of Aerospace. Through three steps of pultrusion process, insertion...

the effect of dynamic change activities of enzymatic in Chrysanthemum field with different coating material was studied With three kinds of coated compound fertilizer as raw materials. Results show that the soil enzymatic activities of catalase sucrase and urease increased first and then decreased at...

The emergence of massive open online courses, bring disruptive changes to higher education. This method is based on students as the center, providing students with personalized education and support, and it focus on improving the students' interest in learning. It can stimulate students' initiative and...

In the modern industry, Variable-Frequency Drives are used frequently. With the emergence of fully-controlled power electronic devices, AC-DC-AC Variable-Frequency Drives quickly occupy the market with its small harmonics and good stability. The main circuit of the Variable-frequency Drive mainly includes...

"Flipped classroom" teaching mode has become one of the effective means and methods to improve the quality of teaching and teaching efficiency. The traditional process of it changed the traditional education idea and teaching the class teacher centered, classroom interaction between teachers and students...

Climate index refers to the use of quantitative indicators to reflect the status of the industry to reflect the changes in the industry boom. In this paper, we used the US Department of Commerce method to compile the tourism industry climate index of Heilongjiang Province, as a comprehensive evaluation...

Big data analysis refers to the huge size of data analysis, from a large amount of data to extract potential valuable information. Hadoop, the core of the Hadoop distributed file system and MapReduce, provides users with the underlying, detailed, transparent distributed infrastructure. In this paper,...

In order to study the impact of explosive performance on JPC molding, simulation software of AUTODYN-2D is used in JPC molding. Numerical simulation analysis of influences of five different explosives on JPC molding is performed. Method of determining the molding time is proposed. Two main results can...

With the accelerated construction of agricultural modernization in Northeast China, agricultural products from production to sales have formed a set of supply chain system, but it cannot completely adapt to the development of the Internet + background. Because of the characteristics of northeast agricultural...

Complex network analysis begins in the 1930s, and the community structure in complex networks is a major characteristic that has been widely concerned. This paper introduces the basic and core ideas of several typical clustering algorithms in community detecting, and analyzes the advantages and disadvantages...

In order to explain the mechanism of the calcium oscillations induced by the calcium-induced calcium release in non-excitable cells, the Kummer-Olsen calcium oscillation model was proposed. In this paper, by using the qualitative theory, bifurcation theorem and the center manifold theory, the nonlinear...

Complex VR scenes, containing hundreds of multi-resolution models with millions polygons, cannot achieve real-time performance and verisimilitude at the same time. How to adaptively choose the appropriate level of resolutions according to the data volume and hardware/software environment is therefore...

Integrated design of airframe/propulsion of hypersonic vehicles is a problem of multi-objective multidisciplinary design optimization (MDO) for complex coupled systems in nature. In order to implement a MDO on airframe/propulsion integration, firstly the design structure matrix was established based...

Rapid vehicle growth has generated a variety of problems for traffic management administrations in terms of traffic congestion, pothole, air pollution, accidents, and rut formation. This is due to the expanding size of cities and rising population mobility. This aim of this research to develop a sustainable...

Recently, cognitive medium access control (MAC) protocol has played a dominant role in mobile ad hoc network (MANET). However, existing algorithms ignore mobility, multihop nature and channel selection fairness.Thus extension of them becomes a critical issue. In this paper, we attempt to address the...

Although the concept of Web2.0 has been put forward for a long time, the various application patterns of Web2.0 still receive extensive attention in all walks of life. Especially in the field of education, educators study how to combine the various new Web2.0 applications with specific forms of educational...

The high-end users generally choose joint venture brands or foreign brand products, the low-end users will generally choose domestic brands or second-hand excavator, excavator second-hand price is generally lower than the domestic excavator, but the reliability and other performance advantages are sometimes...

Altitude control of insect-like Flapping-Wing Micro Aerial Vehicles is an intrinsically multidisciplinary problem, in which several engineering aspects must be considered simultaneously, including aerodynamics, sensing, signal generation, micro-fabrication and control theory. Because of complexity and...