Advances in Computer Science Research

An adaptive unscented Kalman filtering(UKF) method for geomagnetic/celestial autonomous navigation is presented to solve the problem that the conventional UKF is sensitive to the initial value and declines in accuracy and further diverges due to the system model inaccuracy. Firstly, the residual sum...

Accompanied by the progress of the times and the development of social science and technology, the scale of manufacturing design and processing has been developing rapidly. 3D printing technology has been practically used in all walks of life. 3D printing technology is characterized by its strong simulation,...

In order to solve the problem of low reconstruction reconstruction accuracy in stagewise orthogonal matching pursuit(StOMP), stagewise subspace orthogonal matching pursuit(StSOMP) was proposed and realized. In this work, backtracking was introduced to StOMP. First, according to StOMP algorithm to select...

The heat produced in working process of LED headlamp will decrease the LED chips' luminous efficiency and other problems if it is not dispersed in time. This article take thermoelectric refrigeration system as the research object, focus on the relationship between the influencing factors such as LED...

Semi-active control of vehicle suspension system can be realized by adopting the magneto-rheological damper. This paper does research on EV driven by in-wheel motor,which adopts the motor suspension device and the magneto-rheological semi-active suspension. Based on the vehicle dynamics theory, the three...

This is a system based on Python technology to identify the seat. First,I use Python-programmed camera to capture multiple regions at the same time and preprocess the image, then transfer the data to the server through the transmission. Here we also use Python. The technology built a Django server, Django...

Because of the uncertainty of optimal solution, SoC test scheduling has attracted major concern in recent year. In this paper, a scheduling approach based on simulated annealing (SA) algorithm with error feedback is proposed. With this model, the error information generated in each iteration of SA is...

Fraction extraction of orange peel with ethanol, acetone and petroleum ether under ultrasonic were investigated. The extracts were detected and analyzed with infrared spectrum analysis (FTIR). The total yield of ethanol extraction was 33.6%, acetone 27.3%, and petroleum 22.3%. Of the three solvents,...

With the development of China's socialist market economy, SMES are playing an increasingly important role in driving economic development and promoting urbanization. However, in recent years, the financing difficulties of SMES have not been solved, and the financing difficulties of SMES have become the...

In this paper, a broadband dual-polarization slot antenna based on differential-feed at X band is proposed. By adopting wide round slots, the antenna inherits a good advantage of broad band. And the multi-layer structure achieves a good isolation between the two ports. In order to improve the high cross...

With the rapid development of educational philosophy and educational technology, the Flipped Classroom has been typical model of teaching mode innovation in the 21st century. But limited classroom time cannot meet the needs of students' learning and teachers' teaching. The mobile learning terminal and...

For considering the losses of prestress in suspen-dome structure after pre-stress optimization using rigid cable method, an improved rigid cable method was proposed. The temperature stress is applied to corresponding element to compensate the loss of prestress, and the relationship between temperature...

The network performance of UAV airborne is closely relied on the movement of the mobile nodes which is decided by the mobility mode. And the selection of mobility model and its parameters is of great significance to the simulation results. Based on the three-dimensional Gauss Markova mobility model (3D-GMM),...

Nowadays image recognition technology is widely used, and plays a very important in various fields. Deep learning technology uses multilayer structure to analyze and deal with image features, which can improve the performance of image recognition. The popular models of deep learning contain AutoEncoder,...

The article presents a semantic model and a technique for application in the development of software and based on synthesis of open information systems a program code generator needs to comply with the following requirements: extensibility, scalability, cross-platform and interoperability. A fragment...

The multi-user software scheduling optimization under cloud computing environments is studied. Under the cloud computing environment, multi-user scheduling software possessed characteristics like multi-objective, multi-constraint and dynamic, the traditional Particle Swarm Algorithm can only be utilized...

An autonomous underwater vehicle’s(AUV) working condition is usually complex, which means that it’s hard to build the AUV’s dynamic model and it’s challenging to find a good method to adjust its motion accurately in that environment. In order to solve that problem, one motion control method based on...

The netdisk not only supplies users with plenty of storage, but also provide the facility to share data. Therefore it has brought great convenience to users, but it also becomes the important channel for malicious and infringing applications to spread. Due to the extraction of netdisk information will...

Vehicle on-board diagnostics and vehicle information obtained from devices mounted on road infrastructures, detectors located along the roadside are pivotal to Intelligent Transport Systems services including real time management of driven information. The value of data from driven information has a...

With the continuous development of science and technology, Internet+ thinking has been widely used. The Internet, cloud computing, and big data provide more personalized and professional services for human life and work. In the current library work, services are also more extensive and the library is...

An Singular Value Decomposition (SVD) based method was proposed and developed in this work to estimate the m-sequence of modulated Direct-Sequence Code Division Multiple Access (DS-CDMA) signals with carrier frequency offset. By building eigenvalues based objections, a proper carrier frequency range...

These years, the use of machine learning for disease prediction is blooming. Meanwhile, lung disease is one of the deadliest diseases in the world. Many researchers have been doing research on lung disease predictions using various techniques. In this study, ten machine learning algorithms are used for...

Governance systems are increasingly being transformed to digital technologies, making the need for secure, transparent, and efficient citizen engagement models more important than ever. However, the traditional digital governance frameworks have a number of challenges like lack of trust, data privacy...

Human resource management is an important part of the daily work of colleges and universities, which plays a certain role in helping the establishment of high-quality talents and the overall development of colleges and universities. Data mining is a kind of emerging information processing technology,...

Intelligent teaching environment is a pan technical environment and a technology enhanced classroom. With the support of various intelligent technologies, it realizes the data transmission, communication and interworking of "cloud", "network" and "end", constitute an intelligent...

Dynamic simulation is an effective way to test the fuze performance. The simulation realization of fuze environmental is the premise and foundation of fuze performance test. Simulation fidelity directly determines whether the fuze quality data is scientific and effective. In order to accurately and dynamically...

This paper constructs a general equipment health evaluation model for the operation state of important equipments in intranet, which evaluates the health of equipments from three aspects: key performance index, key quality index and quality of experience index. The weight of important state indexes are...

In this paper, by orthogonal experiment to modify Hitec molten salt in order to look for the optimum formulation molten salt which has good thermal properties. After that the melting point, latent heat of phase transformation, specific heat capacity, density, and thermal stability of the modified Hitec...

Translation is a cultural interaction in nature Chinese idiom is a unique linguistic form and the crystallization of national culture. Its rich source--historical events, the fable story, literary works and daily life--determines that the Chinese idioms carry rich cultural connotation. Due to the special...

In this paper, literature, field visits and expert interviews on the status of the supply chain management of large sporting events logistics in-depth analysis to identify the main content of major sports events early, mid and late logistics and supply chain management, to build a large-scale sporting...

There is a large amount of chemical structure stored in image format which is in the scientific literature and the network. Researching on how to recognize chemical structure from images is contribute to storage management of relevant images. The overall recognition effect of chemical structure has room...

A structural parameter identification method is proposed to identify the stiffness parameters and damping coefficient and to estimate the unmeasured responses in time domain. The unique feature of this technique is that it requires only the displacement responses at all or most of dynamic degree-of-...

The schedule of resources and tasks in cloud computing have an important impact on the overall performance and operating of cloud computing. To solve the prone uneven load node when the cloud perform massively parallel tasks, which led to the entire cloud computing system performance degradation and...

The temperature is an important physical quantity that is closely related to daily production and life. We need extract temperature information on many occasions. Temperature acquisition system based on signal chip machine, temperature sensor, serial communication and VB knowledge is designed in the...

Taking the comprehensive performance of a new type of high-speed unmanned surface vehicle (USV) including its rapidity, maneuverability, seakeeping and overturning resistance into consideration, this paper establishes a mathematical model of the performance comprehensive optimization of high-speed USV....

A structured light binocular stereo vision measurement method was proposed which can be applied to deal with the odometry problem of moving objects in low-light environments such as underwater and enclosed spaces. On the basis of binocular stereo vision system, we use structured light to irradiate the...

All kinds of taxi data structure were introduced, and based on multi-source data, proposes taxi operation monitoring index system in charge of the different needs faced on traveler, industry managers and government departments. Finally, taking the multi-source data of taxi in Beijing as an example, some...

A kind of commutator for the cylindrical type magnetic coupling capping head is designed for capping machine. According to the performance requirements of the torque from the capping head, the designed cylindrical structure magnetic coupling, torque can be adjusted linearly, the magnetic coupling torque...

Assume that stock price follows the stochastic differential equation driven by the bi-fractional Brownian motion and jump process, the financial mathematical model under bi-fractional jump-diffusion process is built by the stochastic analysis theory of the bi-fractional Brownian motion and jump process....

Amid the wave of digital transformation, auditing faces multiple challenges including surging data volumes, increasingly complex operational scenarios, and heightened oversight requirements. Traditional audit models reliant on manual expertise struggle to meet demands for high-quality development. Intelligent...

The evaluation of stock value is conducive to investors’ scientific analysis and prediction of stock value, and improves the scientificity of investment decisions. Sany Heavy Industry Co., Ltd. is a leading enterprise in China’s construction machinery industry. Evaluating its stock value will help China’s...

The vibration of high precision cylindrical roller bearing is affected by many factors, which belongs to the problem of poor information. This article based on the poor information system theory and the qualitative fusion principle, and a variety of methods are used to analyze the main factors that affect...

With the development of rapid expansion of the interior design industry, market demand of interior designers are greatly increased, causing the school running scale of Higher Vocational Colleges rapidly expanding in such a big environment, higher vocational colleges how to cultivate students professional...

This paper introduced the principle of the fluorescence image of the hydraulic leakage acquisition and analysis system. The function and structure of system and the composition diagram of automatic detection hardware had been analyzed. The thresholding and semithresholding on the fluorescence image of...

Chinese cross-border e-commerce has been developing rapidly in recent years, while logistics is a weak link in the process of cross-border e-commerce. There are three main logistics models in cross-border e-commerce: third party logistics, overseas warehousing and logistics alliance. The advantages and...

Circulation of agricultural products is vital to the national economy and people's life. The rapid development of e-commerce has injected new vitality into the circulation of agricultural products. In order to promote the circulation efficiency of agricultural products in china, this paper analyzed the...

As one important language, English is learned by the largest number of people and attached the greatest importance to in China except mother tongue. For a long time, children spend a lot of time learning English but with low efficiency in China. Through one-to-one tutoring on QQ platform, children can...

The sequence alignment is an extremely useful tool for molecular and evolutionary biology, and several programs and algorithms have developed for this purpose. The dynamic programming still keeps the most important position due to its highest accuracy, however, the accuracy of the algorithm is obtained...

It's feasible to counter radar shutdown with passive radar guidance head/strapdown inertial navigation integrated system. Gyro inertial component has problems of high costs and gyro drift, so the paper discusses application of gyroscope free strapdown inertial navigation system (GFSINS). At first, a...

This paper considers service level in the study of airlines’ hybrid channel coordination, which has great impact on airlines’ operation and performance. Firstly, the service level was expressed by demand function and a robust optimization model of airlines’ hybrid channel coordination with uncertain...

The aim of this paper is to design a sliding-mode variable structure controller (SMC) which based on the model of BLDCM. SMC is insensitive to turbulence which can depress influence of disturbances to BLDCM, and a novel variable exponent reaching law which can reduce the shuttering effectively is designed....

Addressing the challenge that general-purpose Artificial Intelligence Generated Content (AIGC) tools often fail to deeply align with specific teaching objectives in new media art education (such as conceptual deepening, personalized expression, and critical thinking development), this paper proposes...

In this paper, we introduce a split general strong nonlinear quasi-variational inequality problem which is a natural extension of a split general quasi-variational inequality problem, split variational inequality problem, quasi-variational and variational inequality problems in Hilbert spaces. Using...

The influence of the directional coupler on the power calibration results is analyzed synthetically. The calculation method of the coupling parameters and the calculation formula of the equivalent reflection coefficient are given. The coupling parameters of the coupler and the uncertainty of the introduction...

Engineering, Car Industry, Electronics, Software Suppliers, and Banks depending on the technology and highly sensitive information for their success, they have to invest on espionage and counterfeiting to keep a head of their competitors. Fuel rationing was introduced in 1941 as part of the war effort...

Based on the analysis of a city bus lines of passenger flow investigation and operation data, establish the optimization model of bus scheduling scheme, the bus company in certain social and economic benefit of the premise, given the ideal scheme of bus scheduling. established the maximum passenger capacity,...

With the method of statistical empirical analysis, This study aims to test the MA expert system via securities trading software according to authentic and open securities cloud computing sector data. By taking the annual net profit margin, rate of return and win rate as the management goal, the MA index...

In order to solve the problem of feature selection for the identification of RMB Ultraviolet Images, a method of texture feature extraction image based on Gabor transformation is presented. As we all know, the texture intensity of true currency in each direction is more obvious then counterfeit notes...

With proportion of air conditioners increasing gradually, they can provide certain amount of frequency controlled reserve for micro-grid. To maximize using air conditioners and consider customer comfort, the frequency adjustment model is shown that the quadratic function model of trigger temperature...

People pursue higher quality life than previously along with development of society. Quality of life decided level of health. How to estimate oneself health and exercise is one of the heatedly discussed topics. According to the theory of Artifical Neural Network and Expert System, A design conceit for...

Code plagiarism is a serious problem in the teaching evaluation process, and the programming assignment is related to the student's grades. Therefore, it is especially important to detect code plagiarism submitted by students. As all the codes submitted are kept in the database, and the data are gradually...

Aiming at the problem of extensive use of bitmaps as icons in mobile applications (such as zooming problems, page opening speed, etc.), this article takes the front-end design of the Eurasian driving school website as an example, and introduces the use of font icons such as Awesome and GlyphiconsFont....

In the great tide of social economic and cultural development, sports tourism is becoming the essential component of the sustainable development of the tourism industry. Tourism is the leading industry in Xiangxi, and sports tourism is a major feature. In order to further develop the tourism industry...

In this era of information explosion, the development of science and technology changes with each passing day. Therefore, the automatic analysis of scientific and technological trends aims to help scientists extract useful information from a large number of academic conferences and scientific and technological...

This paper mainly studies the enterprise production based on the actual needs with spring support pin automatic feeding machine. This automatic feeding machine has been illustrated from the structure, working principle and characteristics, etc. This automatic feeding machine has many advantages such...

The reconstruction quality of the signal is directly determined by the observation matrix in the sense of signal compression. The observation matrix has a strong randomness to ensure the quality of the signal reconstruction, but the hardware implementation of the random observation matrix is more difficult....

The multi-beam echo sounding system was the most effective instrument to detect the seabed topography. In order to reduce the seafloor terrain distortion caused by the representative error of sound velocity profile (SVP), the indirection adjustment inversion method was introduced after analyzing the...

This paper breaks the traditional thinking, re-examines the “supply and demand” relationship of transportation travel, and proposes to find a new path of low-carbon travel from the “demand side”. The author innovatively proposed and demonstrated the “differentiated OAO office model”, and put forward...

With the development of mobile Internet and the increase of the Wechat users, using Wechat and other new media technology in the marketing of agricultural products has become an important form of marketing. However, fresh food with a short shelf life, difficult logistics and other characteristics, the...

There are various common problems in the translation of materialogy English, which are caused by a lot of specific English language features of materialogy. Therefore the staffs of materialogy should learn these features as well as learn some basic translation skills in order to introduce more western...

The housing problem, has been China the topic of ordinary people more attention. Can a lot of people will buy a room as the standard of success. In April 2014, according to data released China's 70 large and medium-sized cities housing prices fall month-on-month growth. Search to some relevant information...

As a mode of cognition, conceptual metaphor builds a cognitive relation between two cognized fields or concepts through the thinking of the cognitive body. Different conceptions are caused by different cultural variations in which Chinese and English conceptual metaphor systems are generated. The paper...

Medical image registration is a very important technology in the field of medical image fusion, in order to meet the needs of clinical diagnosis and treatment. This paper presents a registration method of medical images based on contour features and multi-scale information. First, the resample operator...

3D printing is widely used at present. In terms of technology is gradually mature, but there are still many problems and shortcomings of 3D printing, especially in the design of printer nozzle. In the 3D printer smart devices continue to affect the market conditions, all kinds of problems appearing in...

The underlying intrusion accurate detection of large embedded network is studied. For the problem that low accuracy of underlying intrusion detection for the large embedded network, an underlying intrusion detection method for the large embedded network based on field rough set theory and BP neural network...

A regional network fault restoration system that can be applied in on-line mode is researched and realized. According to the power outage, this fault restoration system can recover the electricity rapidly after small scope fault, meanwhile, the system can propose the black-start scheme when blackout...

With the development of power grid, electrical equipment is required to be more and more intelligent. In this paper, a fault diagnostic method combining weighted degree of grey incidence of optimized entropy algorithm and Kernel Fuzzy Cluster Method (KFCM) is proposed. By extracting characteristic values...

In our country, irrigation mode in the greenhouse is still flood irrigation, which not only wastes water resources in short supply, but also restricts the increase of the crop output and the improvement of its quality in the greeenhouse. The paper used sensor technology to real-time do acquisition of...

In order to obtain high quality aero-engine blades, the adaptive belt grinding method including 840D CNC belt grinding machine, 828D robot, Win3Ds coordinate measuring machine and digital silo is applied to the precision grinding of blades. However, the data collected by each device cannot be uploaded...

This article from the analysis of various factors of affecting target designation timeliness, surface ships to submarine-launched anti-ship missile attack target designation problems urgently to be solved in a systematic theory and quantitative calculation are expounded. In the process of organizing...

Antenna array with adaptive beam forming technique is an effect way for GPS receiver to suppress the ambient interference, which, however, would be malfunctioning due to the saturation problem in radio frequency (RF) front or intermediate frequency (IF) front caused by the strong interference. To tackle...

we present Wireless Indoor Localization System (WILS) that enables commercial WiFi infrastructures to implement localization in the complex indoor environment. Receive Signal Strength Indication (RSSI) is utilized by some systems to get a high accuracy of localization, but they are easily be affected...

In this paper, develop the monitoring system of ship steering gear with configuration software WinCC. It communicates with PLC controller through OPC protocol, and as a WinCC server of the distributed system, providing the process data to the WinCC clients. It takes Kawasaki pump controlled hydraulic...

Based on the analysis the disadvantage of present research in optimization of Design Structure Matrix (DSM), the paper proposes a new algorithm of optimizing the design structure matrix, which sets up the objective optimization function, designs the way of coding, crossover, mutation based on genetic...

Cloud computing has been developing rapidly as an emerging technology, it supports the data owner to outsource the data files to the cloud server, then the user can get the ideal results by searching algorithms. Now, the existing searching algorithms cannot support fuzzy multi-keyword searching and result...

Practice base teaching evaluation plays an important role in university teaching management and is a hotspot research field for researchers related. The paper takes university English practiceÿbase teaching for research sample, and presents a new Legendre wavelets neural network algorithm to evaluate...

China's food security issue is related to national security. The quality of farmers' life is related to the orderly advancement of grain production. As a food province, Heilongjiang promotes farmers' income growth which is always the most important issue of all work. Farmers' wage income has become the...

The trajectory of HY-3 manipulator is planned using the cubic spline function which is adopted for interpolation of the angle of manipulator’s joint. From simulation experiments, conclusion was drawn that the planned trajectory is smooth and continuous in order to ensure the manipulator running steadily...

Non-verbal expression is one of the important means of communication and information transmission in teaching activities, and it is also one of the most basic professional skills of teachers which is in the core position among teachers' educational abilities. the types of non-verbal expressions are mainly...

Aim to Cortex-M embedded chip's driver program can't transplant to different hardware platform smoothly. According to the traditional development model of embedded software, interface abstraction layer are taken from different hardware platforms. The unity of the standard interface provided is provided...

Building advanced VLSI engineering design subsystems offers to use hierarchical client-server architecture. The conceptual analysis of such architecture focused on multi-level dichotomous partition of an undirected graph with various number of peaks and local degrees has been performed. Available from...

This paper studied how to use the variation of the dispersion curves of Rayleigh wave group velocity to detect interfacial debonding damage between FRP plate and steel beam. Since FRP strengthened steel beam is two layers medium, Rayleigh wave velocity dispersion phenomenon will happen. The interface...

The accurate detection of the pointer position is the key of the automatic pointer meter reading. Appropriate image preprocessing is the basis of the precise location of the scale zone and pointer on the dial. In this paper, the images are preprocessed by image grizzle, median filter and image binarization....

The purpose of this paper is to study a fault-tolerant system of secure access to the corporate network and to select the options for allocating resources of the server for the system's information protection software that is installed on it, given that the conflicting requirements, arising in this case,...

Objective: to improve the network security management. Method: using multi dimension extension fuzzy technology. Process: build a multi dimensional model to comprehensive evaluation of network security management level. From network security management systems, human input, technology effect three aspects,...

Flavonoids from the diaphragma of walnut has good antioxidant capacity. In this study, the D-galactose induced aging mice were gavaged by flavonoids extracted from walnuts diaphragm with three different doses (low, medium and high).Results showed that D-galactose can reduce the content of unsaturated...

The delta-differential one-way ranging (Delta-DOR) technology is proposed as the higher accuracy method used in the deep-space probes for VLBI observation. The accuracy of about 2 nrad in Ka band was achieved in the NASA Mars Reconnaissance Orbiter (MRO), 2005. However, only a few researches have studied...

This study aims to compare the structure of medical reports of same type medical examination but composed by different physicians. An analysis and compare method was proposed based on formal concept to produce different concept structure for medical reports. Important concepts of medical reports can...

Association rule mining is one of the most important data mining techniques. Typical association rules consider each item in transactions with the same significance.In order to represent significances of items, every item has be assigned with a weight, and the mining weighted association rules have been...

Sustainable human-computer interaction is investigating the role of persuasive and gamified technologies in encouraging people to engage in a more sustainable lifestyle. Motivation is a key requirement for behavior change, yet many persuasive systems do not sufficiently account for motivational aspects....