Advances in Computer Science Research

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...

Objective The speed fluctuation of the Holzer sensor of Brushless DC motor is often compared with the speed fluctuation. which often can not be used as the feedback signal of controller. In this paper ,we try to resolve this problem. Methods The method of frequency multiplication is improved, and a new...

In this paper, the literature method is used to discuss the relationship between the formation of the sports industry cluster and the growth of the regional economy. According to the research, there are some problems existing in the development of the regional sports industry cluster of China, and relationship...

The rigorous requirement for safety, reliability, maintainability, and miniaturization in microminiature unmanned aerial vehicle (UAV) has motivated significant research in new technology. A dual redundant fault-tolerant flight control platform is designed based on the technology of system on a programmable...

In recent years, with the continuous improvement of China's comprehensive strength, the international circulation of CNY is accelerating day by day, and the internationalization of CNY is unstoppable. In this regard, this paper mainly discusses whether the internationalization of CNY can solve the...

The integration of computer technology and digital media enhances the creativity of investigating learning experiences in museums. However, the advance in computer technology and multimedia has changed the relationship between information and audiences in an exhibition space. In this paper, the experience...

With the development of virtual reality technology and somatosensory interaction technology, somatosensory interactive devices are constantly being updated. Today's immersive virtual reality technology has wearable devices that are more and more convenient, and the development of virtual reality...

Given how quickly augmented reality (AR) and virtual reality (VR) technologies are developing, panoramic image stitching technology is playing an increasingly important role in providing immersive experiences. Especially in complex scenes where natural and urban environments are interwoven, high-quality...

Closed-loop controlled electrical drive systems require constant speed without interference, which corresponds to CPLs and performs negative impedance characteristics, so that they have great influence on the stability of aviation power grid. The main purpose of this paper is to solve this problem by...

A new and simple distance relaying algorithm based on KVL for series compensated transmission lines is discussed in this paper. The fault impedance can be calculated accurately by solving the 3-order fault loop equations consisting of fault phase voltage, current, the differential and integral of current....

Distributed antenna system (DAS) has emerged as a promising architecture for future mobile communications. Compared with collocated antenna system (CAS), DAS has advantages in reducing transmission power and improving the cell coverage area. In this paper, the downlink performance of DAS with linear...

In this paper, we discuss a method of a textual transformation between the similar languages taking Mongolian as an example. The textual transformation approach is performed by combining a knowledge-based rule bank with data driven method. DP algorithm (dynamic programming) is applied to matching of...

As a quick and non-intrusive probe of photosynthesis, the chlorophyll fluorescence has been widely studied. Extracting the weak fluorescence signal from the strong noise is necessary to the chlorophyll fluorescence measurement and analysis. In this paper, the time-domain and frequency-domain characteristics...

Silicon carbide has better deoxidization ability than ferrosilicon and recarburizer by the thermodynamic analysis,the gas of CO produed by the deoxidation reaction can agitates molten steel which could purify the molten steel .In this article, we choose HRB400 as our testing steel,it is found that the...

The primary goal of each voting system is to ensure that only the eligible voters should be able to cast their ballots to the respective candidates. Therefore, electronic voting systems need to provide a transparent and trusted authentication process. Traditional paper-based voting schemes involve manual...

Web data mining is essential for identifying the online propagation of terrorism. Terrorist groups are using phishing websites more frequently to spread their beliefs, find new members, and plan events. We can evaluate web data to differentiate between websites linked to terrorist activity and those...

Competitiveness theory has been developed rapidly and widely used because it adapts to the competition between regions is becoming increasingly fierce. Urban tourism, the purpose of this paper is to develop and improve the industrial competitiveness of industrial tourism in the field of urban tourism...

According to the characteristics of Management Information System, the inquiring teaching mode based on the network learning space is constructed. Including the teaching resources development, class community construction and case guidance teaching situation creation; Role orientation of teachers and...

The granularity of abrasive jet is closely related to the jet force. The paper uses the FLUENT software simulation technology to analyze the flow field structure under the condition of jet with different abrasive granularity. It is found that single particle momentum increases along with the growth of...

Adding aluminum fluoride to electrolyte, is the most important to regulate electrolyte molecule ratio and the electrolysis temperature in aluminum electrolysis, which directly influences the current efficiency and energy consumption. This paper presents a decision model to decide the amount of AlF3 addition...

The wide application of computer information technology in the tourism industry has promoted the wave of tourism informatization, analyzed and excavated tourism data, explored new ways to integrate and optimize the allocation of tourism resources, and excavated wealth benefits. By building a spatial...

In this paper a novel IoT-enabled secure and scalable cloud architecture employing a hybrid post-quantum cryptographic and blockchain-based framework is proposed targeting multi-user system. Hence, to ensure the advanced protection of IoT data and communications against classical and quantum attacks,...

The protection of insurance consumers' rights and interests has always been a subject of concern to the supervision departments and experts. In recent years, some progress has been made in the protection of the insurance consumers' rights and interests in China. However, with the vigorous development...

PrefixSpan is an important algorithm for sequential pattern mining algorithm, but it’s projected database cost more redundant memory and scan-time, so this paper present an improved PrefixSpan algorithm(IPS) which is based on PrefixSpan. IPS decreases the redundant memory and scan-time by abnegating...

The higher order crack tip fields for physical weak-discontinuous problem of cylindrical shells are investigated. The crack located at the interface between homogeneous materials and exponential functionally graded materials. The governing equations are derived for homogeneous materials and FGMs regions...

Objective: To improve the abilities of full-time graduates, the Innovative Training teaching method will be discussed in this paper. Methods: Shenyang Jianzhu University conducted a new teaching practice using innovative training in the teaching process on full-time graduate students, and achieved significant...

For the question that it cannot ensure the privacy of identity and real-time updated key in the process of data fusion in smart grid, this paper proposes a algorithm of data fusion based on dynamic broadcast encryption. The control center broadcasts the key through dynamic broadcast encryption. Users...

This paper is devoted to the discussion of uncertainty measures of soft sets. We make an analysis of the existing works on soft set entropy and show their limitations. We propose a new axiomatic definition of soft set entropy. Furthermore, some distance based entropies for soft sets are presented.

In Time Division Multiplexing system, the central station broadcasts data packets to the subscriber station, and the proportion of valid data packets received by each subscriber station gradually decreases as the number of subscriber stations increases. The use of space resources can improve the time...

Based on the research and design of Gongzhuling Maize Growth Experimental Base project in Jilin Academy of Agricultural Sciences, this paper designs an automatic data acquisition system for moisture and weight change of maize growth based on the established facilities. The system uses the STM32 single-chip...

When different investors choose stocks, they will have different preferences. Many researchers have optimized investment return and risk control capabilities by improving genetic algorithms or combining new algorithms with genetic algorithms. However, how to select suitable stocks for investment portfolios...

The traditional teaching dominated by teachers has not been able to meet the needs of the learners, the new generation of teaching model represented by micro class, flipped classroom and mobile learning fully embodies the learners' subjectivity, autonomy and creativity. The immediacy of mobile learning...

This paper gives a brief but comprehensive introduction of condition of attack state and how we analysis it from massive xml file. Multi-attribute-based classification method supports mining privilege level of vulnerability. Owing to associated analysis, it combined directly and indirectly of vulnerability...

With the rapid development of Internet technology, E-commerce is increasingly accepted by the people. E-commerce transactions via the Internet to achieve a convenient, with ubiquitous business features. But such business model by the trading range of restrictions, has the deficiency of movement flexibility....

This paper presents graduates’ satisfaction of education and teaching job in applied colleges and Universities. Based on related theory, this paper collects information by the questionnaire survey form and analyzes statistics result of the questionnaire and interview, finding out the influence factors...

For obtaining relative accurate rolling-mill model is difficulty by the simple mathematical method, due to the complexity of the actual production scene and the non-linear relationship between variables, this paper firstly proposes an improved Bayesian regularization neural network model according to...

Vehicle information extraction is the key means in Intelligent Transportation System (ITS). Color plays an important role in vehicle recognition. The main challenge of vehicle color recognition is to find the dominant color. In this paper, we propose a color recognition method using convolutional neural...

With the development of information technology, there is the new demand of innovative talents for information talents training. The training mode of "3+1" information talents has become the most important mode of information talents training, and has been developed in most domestic colleges and universities....

It is essential to obtain much information, such as text, audio and video, in online teaching. Based on the presenter's desktop screenshot function, an efficient mechanism of desktop sharing mechanism is designed. The mechanism can be used to help teachers to share their desktop and the operation of...

Sleep is a complex phenomenon involved important modifications throughout life and changes of autonomic cardiovascular control. In present study, we aimed to analyze the influence of sleep stages on cardiovascular activity. Firstly, heart rate variability (HRV), pulse rate variability (PRV) and pulse...

SM9 algorithm plays a very important role in the field of information security in our country, it can effectively solve the problem of certificate management of PKI. The dot multiplication operation in the SM9 algorithm takes up a lot of computing time, which seriously affects the operation efficiency....

As a subdivision and backbone project of engineering of drawing water from Datong River into Huanshui River, the water transfer for main channel project is designed to transfer water from Datong River to Huangshui River, with the total amount of 3.6ž108m3 in a short-term and 7.5ž108m3 in a long-term....

Learning based face hallucination methods have received much attention in recent years. As opposed to the existing methods, where the input image (patch) matrix is first converted into vectors before combination coefficients calculation, this paper proposes a novel matrix based regression model for directly...

This paper introduces a new technology of exhaust treatment: dielectric barrier discharge plasma technology. Non-thermal plasma (NTP) has been studied as a potential candidate for diesel engine exhaust after-treatment, and the NTP reactor was the critical component in the technology. Research shows that,...

In recent years, the frequent occurrence of geological disasters such as landslides, debris flow and so on causes huge losses to the lives and property of the people. To solve this problem, this paper proposes a geological disaster monitoring method based on GNSS (Global Navigation Satellite System),...

To grasp the gas occurrence and emission laws of Yaoqiao deep coal mining area (West ten mining area and the second central mining area) in No.7 Coal Seam, the neural network is used to analyze the relationship and degree of influence factors between gas occurrence and gas content. We construct a prediction...

This paper studied how to monitor trusted software behavior based on dynamic proxy. First, it analyzed the dynamic proxy mechanism, putted forward the dynamic proxy monitor model, then researched how to weave the interceptor code in software monitor based on dynamic proxy, showed the weaving process...

Student placements are now a crucial component in assessing the efficacy of educational institutions due to the heightened competition in the market. The dynamic nature of employment patterns, individual student talents, and industry expectations are frequently overlooked by traditional placement prediction...

Power manufacturing enterprises process events by hundreds of devices interacting with their plants. Rich statistical data distilled from combining such interactions in real-time could generate much business value. In this paper, we describe the architecture of HIA, a system for ingesting multiple geographically...

This paper analyzed the significance of studying evolution mechanism for industry university research institution cooperative innovation. It introduced the current research of industry university research institution cooperative innovation in domestic and international. It proposed some problem in industry...

Solenoid Valve CDC Damper is one of mainstream commercial solutions for Active Suspension. For most of Active Suspension control strategy, CDC dampers are treated as force generator [1]. For getting desirable damper force, CDC Damper performance is necessary. There are two way to describe to CDC damper...

This paper introduces the basic concept of CDIO(conceive, design, implement, operate) engineering education mode Pointing at and the lack of the existing problems in the teaching activities of the electric circuit experiment in colleges and universities. This paper discussed, in detail, the reform of...

Handwriting signature is an important approach for biometric personal identification. In this paper, a new method is provided to extract signature characteristic through wavelet transform. At first, a series of 4th order B-spline wavelet is constructed on the basis of B-spline function. After applying...

This Paper presents an algorithm to optimize high-level culling for self-collision test of arm cloth grid. High-level culling is at the triangle level, to cut off non-colliding areas and triangular pairs and obtain all possibly colliding triangular pairs. Here, we processed basic high-level culling firstly...

Aiming at the problem of interconnection between GB/T 28181-2016 "Technical requirements for information transport, switch and control in video surveillance network system for public security" (GB/T 28181) standard and Web Real-Time Communications (WebRTC) protocol, a protocol conversion server...

Inspired by biological systems, self-healing materials were achieved by incorporating microcapsules into matrix. Urea-formaldehyde microcapsules filled with EPA were prepared by in situ polymerization method. Surface morphology, size distribution, chemical structure, and thermal analysis of microcapsules...

Through the analysis on the website traffic monitoring statistics technology, design and realize an intelligent website traffic monitoring system. The major modules have statistical generalization, latest visiting, source details, online statistics, page statistics, monthly statistics, second glance...

With the rapid development of China's national economy and the continuous improvement of people's living standards, the demand for electricity is increasing day by day; the investment scale of the power grid is also increasing. In order to evaluate the investment capacity of power grid scientifically...

The higher order crack-tip fields for anti-plane crack oblique to the interface between functionally graded piezoelectric materials (FGPMs) and homogeneous piezoelectric materials(HPMs) are presented. The crack is oriented in arbitrary direction. The crack surfaces are assumed to be electrically impermeable....

For the research on the bees flight, the experimental platform combined of smoke wind tunnel and high speed camera has been set up. The information of bees flight on the plane can be synchronously recorded by two high speed cameras. By the analysis of pixel coordinates of bees wings on the photographs,...

Semiconductor lighting has the characteristics of energy saving, high efficiency, long life and environmental protection. It is the product of "green lighting" and semiconductor luminescence technology, and CUK converter is widely used in semiconductor lighting drive. In this paper, the main features...

The Yangtze River Delta (YRD) region is a demonstration area for the development of digital inclusive finance and a pilot field for achieving the "double carbon" target. However, does digital inclusive finance in the Yangtze River Delta region promote carbon emission reduction? In this paper,...

Nowadays, Evolvable Hardware (EHW) is widely used in many fields. When it is used in circuit design, its advantages can be incarnated adequately. However, if the circuit scales are very big, the probability of successful circuit evolution is reduced greatly. So improving traditional Evolutionary Algorithm...

With the development of global network technology and digital information, the form of learning resources has changed greatly. Most of the learning resources are changed from traditional paper resources to digital learning resources. Scientific organization of learning resources is conducive to the effective...

Spectral matching algorithms are widely used in various models for spectral analysis and identification. Traditional spectral matching algorithms usually adopt the similarity of their absorbance value as the index to evaluate the similarity between two spectra. The absorbance value is related to concentration...

Firstly, according to the disadvantages of the artificial bee colony algorithm which is easy to fall into the local optimum and the convergence rate is slow, this paper introduce the current optimal food source and inertia weight function to improve the food source updating method. Then according to...

The rapid development of "Internet +" technology has greatly promoted the reform of education teaching mode. Based on the analysis of the problems in the course teaching and the characteristics of blended teaching pattern, this paper proposes the application of blended teaching pattern to solve these...

The growing use of search engines business surveys, market updates, news reports, patients medical records etc., the use of automatic manuscript summarization is becoming more and more popular. In this process, the original data is compressed without changing its meaning. It is a growing field of Natural...