Advances in Computer Science Research

According to the network data of mobile packet domain in backbone network, this article analyzes the correlation model of network load index in mobile packet domain. Based on the mobile service and analysis model of user behaviors, in this paper we proposed a correlation model and curve model on total...

By observing the responses of participants to exposure to moxa smoke, the safety of clinical application of moxibustion was assessed. Methods: Individuals who had been exposed to moxa smoke for over one month and met the inclusion criteria filled out a questionnaire survey administered by multiple professionals...

The principles of inverse filtering, wiener filtering, and histogram equalization combined median filtering are introduced and studied. Three image restoration methods are compared in a variety of blur and noise conditions. Their own advantage and disadvantage are described. The simulation experiments...

In order to detect the starting and recovery points of noisy voltage sag signal, this paper proposed the wavelet soft threshold method for denoising and the wavelet transform for detecting the singular points. Comparing to the FIR filtering method, the wavelet soft threshold method can filter out the...

As a new modern management method, the core idea of ERP(Enterprise Resource Planning) can integrate the logistic, capital flow and information flow. Based on the author's work experience, this paper first analyzed the new characteristics of the ERP strategies in the financial management system, then...

By means of analyzing the Controller of CMM and its information model in the net, this article obtains the flimsiness and requirement to defend attack of the system. This article researches the interface of communication and communication protocols in the application layer of the main Controller of CMM....

The drug quality safety is a issue that governments have attached great importance to. The Chinese version of the CMP puts forward strict requirements of " traceability " in the pharmaceutical production process for the pharmaceutical industry.This paper mainly introduces how to realize the electronic...

This paper introduces a kind of method of printing photos and recycling used beverage bottles. Users upload photos by WeChat, then download the photo with the bottle-recycling device. After choosing the selection of ‘Throw Bottles For Printing’, the device can count the number of bottles threw in. Achieving...

With the continuous development of knowledge economy, knowledge as the primary productive force has received extensive attention from all walks of life. The contemporary college students, as the carrier of professional theoretical knowledge, are the mainstay of the future development of society, affecting...

Standalone multi-element complementary microgrid plays a very important role in solving the electricity problems of many areas, which are rich in renewable energy but have problems in the power supply of traditional power grid. To ensure the reliability of power supply while improving overall economic...

Because of its unique system features, it is very difficult for small rotor UAVs to be modeled. In this paper, the method of unmanned aerial vehicle modeling is summarized in detail. In order to achieve a good control effect, the accuracy of the model is very important for the design and verification...

This paper introduces a method to solve the current distribution of half-wave dipole by using MOM. In the three-dimensional coordinate system, the z-coordinate is segmented uniformly. The pulse function is selected as the basis function and the impulse function as the matching function. The Pocklington...

Under the trend of economic globalization and rapid development of information technologies, the production management mode of enterprises is changing dramatically. Meanwhile, traditional enterprise production management mode cannot be unable to adapt to the changing market environment. This paper studies...

Test Automation is widely used. Since there are some differences between the environment of test automation and development, developers sometimes can’t reproduce bugs in their local environment based on bug reports. To solve the issue, this paper introduces an approach that integrates the environment...

Corresponding to the conventional anti-freezing agent, namely, sodium nitrite, the early strength development of the cement-fly ash composite cementitious material curing in the solution of water and sodium nitrite were investigated, respectively. The results show that, adding sodium nitrite increases...

With the exploration of Internet information, searching has become an everyday task for both adults and children. Unlike adults, children have more difficulty identifying the Web information and they are more susceptible to unhealthy or misleading information. However, the existing search engines supporting...

Remote chess game system use the network transmission to let the rival chess image transfor to our own computer.At the same time,the virtual chess pieces that represent our own chess pieces are in the rival chess image.The image on monitor show the two sides of chess pieces real-timely.The detection...

The Parachute deployment height of sensing reconnaissance submunition has great effect on its landing state and precision; to determine deployment height of sensing reconnaissance submunition, using MATLAB/Simulink simulation platform, the motion of Parachute-Submunition System was simulated by numerical...

Fabric defect detection has been an active area of research since a long time and still a robust system is needed which can fulfill industrial requirements. A robust automatic fabric defect detection system (FDDS) would results in quality products and more revenues. Many different approaches and method...

In the increasingly complex dynamic environment, board capital provides a new perspective for the board of directors to study corporate strategic change. In this paper, a total of 93 listed companies in the Science and Technology Innovation Board from 2017 to 2019 were selected as samples. Through coding,...

The experimental work for water optics cost a lot of time and efforts. Researchers in many places still depend on the traditional lifting sensor methods of measuring and recording water optics data. In this work, a new design of data acquisition platform is described, which is equipped on a platform...

The Common Information Model (CIM) is an abstract data model that use in Distribution Management System (DMS) applications. And DER devices use IEC61850 information model. Because DMS and DER systems use different data modal, the bi-directional message mapping method need to study. The article analyzes...

Virtual hand grabbing operation simulation is one of the hardest interactive simulations in astronaut virtual training. This paper proposed a couple of non-contact grab determining rules and a grab simulation method based on finite state machine (FSM) to simulate the grabbing operation of virtual hand....

This study focuses on deep subspace clustering in a federated learning framework, aiming to address the challenge of clustering high-dimensional data with privacy protection in a distributed environment. Traditional deep clustering methods usually have difficulty dealing with complex data scenarios and...

The preparation technology of enzymatic peptides of Corbicula Fluminea was studied in this paper. Alcalase, Papain, Neutrase and Protamex were used under their own optimum pH value and temperature, with the same other parameters. The results indicated that Alcalase had the highest degree of hydrolysis...

The training quality of postgraduate students has always been a focus in the education industry. Proper ratio of tutor and students is the precondition for it. The existing tutor mode cannot afford the enrollment expansion. Tutor team is desired, which can eliminate the conflict between enrollment expansion...

In order to detect the key nodes in the aviation network, a node detection algorithm is proposed. In view of the fallibility of previous methods, this algorithm integrates the improved closeness sorting algorithm and the importance evaluation matrix. Firstly, the model of the aviation network is constructed....

The technological superiority for the external thermal insulation system was researched and analyzed in this paper. The anti-seismic protection standards and objective of the external thermal insulation system were proposed based on the anti-seismic programming principle of nonstructural components....

As the way of non-contact mode of sensing, the application of industrial robots in production line is more easy to adapt to the change of product and put work piece. Robot vision provides the real-time target state information of the object, so it has been considered to be one of the most important awareness.Vision-guided...

Cooperative learning, as a new teaching approach, has been widely applied to teaching practice all over the world since its first emergence in America. After the theory of cooperative learning being introduced to China, it has accelerated Chinese educational reform. The mode of cooperative learning has...

In the parameter identification for transmission line, there often exist the gross errors in the measured data and lacking of robustness with traditional least square. This paper applies the Huber estimation to the transmission line parameter estimation, i.e., proposes a robust least square estimation...

In order to meet the need of semantics recommendation to personalized commodity in e-commerce, the model based on fuzzy semantics personalized recommendation system is built to describe the integrated user’s interest feature and commodity information. The user’s interest degree of commodity and the correlation...

The segmentation of CAM images are prerequisite and fundamental steps of studying the drug effects on angiogenesis. In this paper, an evaluation method for different segmentation algorithm of CAM images is proposed. Firstly, a CAM images dataset consists of 4 distinctive features (uneven illumination,...

The studies on erosion process of naturally restored grassland were not only very important for understanding of the effect of naturally restored measures on runoff and sediment reduction, but also necessary for analyzing the reasons of water and sediment dropped in Yellow River. This paper adopted simulating...

Electrospun fibers with many advantages such as nano-structure, large specific surface area, high porosity, have been widely applied in the field of sensors. This paper mainly introduces latest development of electrospun fiber applications in biosensors, gas sensors and metal ion sensors. Biosensors...

This is an avant-garde e commerce-controlled audio platform project specifically designed for visually impaired persons. The platform uses the Django web framework to add text to speech and speech recognition support, which allows a user to browse through the store, search for products, and complete...

Due to the difference between evaluators' ability and experience, the influence of each evaluator on the evaluation result should be different. Determining the weights of evaluators is an important step in group evaluation. In order to track the research progress and find the research tendency, a large...

With the development of mine automation technology, more and more electronic products are installed in coal mine. In order to strengthen the safety management of the mine products, research on dynamic management technology of mining products safety approval and certification based on UHF is proposed...

The coupling interaction between multiple grid-connected inverters, inverters and grid in the clustered grid-connected distributed photovoltaic (PV) system can cause series and parallel harmonic resonance in the grid. The power quality of grid is seriously affected. Therefore, the resonance problem of...

Crypto currencies have emerged as a popular investment option in recent years, with Ethereum being one of the most prominent ones. Accurate price prediction of Ethereum can provide valuable insights to investors and traders for making informed decisions. In this study, we utilized two time series prediction...

To investigate the effect and mechanism of curcumin in diabetes mellitus mice. Methods Diabetic models were induced by a single vena caudalis injection of streptozotocin(STZ)into mice at a dose of 50mg•kg-1 body weight and was randomly divided into five groups:untreated diabetes group,diabetes group...

A ground water heat pump system (GWHP) of a university in Tianjin was introduced, and the system was compared with the other two heating and cooling systems in this paper. The initial and operating cost was calculated, and then the advantages and disadvantages of the systems were analyzed. The results...

Aim at solving the constraints of storage and processor of the slow data acquisition system, the system based on SD card and LPC2141 is designed. It adopts 6 channels AD sampling which sampling rate is more than 400ks/s and SD card with large capacity storage, and extends the transmission function by...

With the increasingly complex of the market competition environment, enterprise competition is increasingly fierce, more and more enterprises has realized the importance of innovation for enterprise survival and development. Currently, the development of SMEs is not optimistic, due to lack of sustainable...

On the basis of the nonlinear differential equations systems was developed and realized in a Math Lab package the behavior model of thermal processes indoors for automated control system of energy saving.

This article introduces how our Electrical-drive course group makes Resources Construction on the network-teaching platform of Tsinghua University, and how we use the platform to make the curriculum construction and the curriculum reform. Firstly, we introduce the main features and usage methods of the...

According to characteristics of high flow, high inertia load, variable stiffness of test platform in marine component mechanical properties, considering the president research status of hydraulic servo system, this paper establish the mathematical model of hydraulic servo system of test platform and...

The three-dimensional flow of high speed elevator is numerical simulated using the Computational Fluid Dynamics Method (CFD). The car of high speed elevator has dimensions of length 2.3m, width 1.7 m and height 2.4 m. The shape of diversion cover is conic. The flows of high speed elevator with different...

With the advent of the information age, signal transmission has been involving many kinds of fields. During the process of voice signal transmission, there would be inevitably doped with some noise signal, but which would not happen if the very designed filter has been used. In this paper, the window...

With the development of virtual reality display technology of cultural heritage, the virtual reality display technology is developed more deeply and widely, the sense of reality and immersion put forward higher requirements, more and more people pay more attention to the attribute information of cultural...

Internship is an important part in the teaching process of higher vocational colleges. It is very important for the hotel management profession to do the internship work. However, there are endless problems in the process of internship, which lead to the contradiction between hotels, schools and students,...

Airport security is a necessary link for passengers to enter the airport. In this paper, we established a multi-server queuing model to optimize the airport security screening. Concretely, the whole queue process of security screening is decomposed into some parts. For each part, we established a multi-server...

We collected from the literature and analyzed 19 groups tunnel rock classification data, combined with data mining functions of rough set theory and attribute reduction capability, factor analysis model was established based on rough set theory. After 19 sets of data attribute reduction, extraction equivalence...

The integrated electronic information system based on the core processor uses a large number of components which have been finalized or commercially developed, and the system structure is so complicated that common reliability evaluation methods cannot be directly applied to the system. To solve the...

Public service advertisement is a special kind of advertisement. It serves for the society without making any profits and aims to through various media to regulate and educate the public. This thesis compares Chinese and English public service advertisement from few aspects. Then draws a conclusion:...

The genuine traditional Chinese medicine as a synonym for quality medicine, it has a long history in China, it has important applications in the aspects of disease prevention and treatment of traditional Chinese medicine. This paper from the growth conditions of genuine traditional Chinese medicine,...

With the development of digital technology and network technology, mobile learning with mobile computing and digital technology as the foundation, it is a new way of learning, the ongoing promotion and application. In this paper, according to the characteristic of high using rate of the Android system,...

In this design, facing the defects of manual back rub, bold structure innovation design is carried out in the coin-operated back rub machine to replace the human arms with mechanical arms. It is simple in structure, convenient in operation and safe in application; meanwhile, the efficiency of back rub...

To effectively solve the loading reinforcement problem of overloaded vehicles and equipment when troops use railway transportation, this paper takes the field rushing car of Dongfeng as example. Makes calculations from gravity center stability of heavier cars, force in conveying process, stability and...

With the increasing scale of large model training, the traditional centralized training model faces serious challenges in terms of data privacy, communication efficiency and device heterogeneity. The data privacy problem stems from the inability to centrally store sensitive information (e.g., in the...

This paper analyzes the linkages between political risk, institutions, and foreign direct investment inflows. Using panel data of 117 countries from 1990 to 2008, the paper explores the effect of the market environment, including unemployment rate, consumer confidence, and poverty on multinational cooperation....

This paper implements the reconstruction of two filters based on MicroBlaze,he top-level design defines two reconfiguration regions, each of which has four reconfiguration modules, and two reconfiguration regions:All pass, band stop, low pass and high pass,Various configurations of filters are finally...

The transfer function is the performance of an optical System’s Imaging quality. It’s an important indicator of an optical system. Detecting the transfer function plays a particularly important role in the project processing and finishing process of the optical system. In order to detect the large caliber...

To deal with the difficulties of getting network positioning signals existing in sensor network as well as the problem of the hunted signals being polluted by electromagnetic radiation, mechanism of hunting for sensor positioning signals based on correlator difference accumulative algorithm is proposed...

Making use of micro Doppler Effect measured by continuous wave radar (CW radar), the micro Doppler modulation mathematical model of radar echo cased by projectile rotation is established, and the analytic relationship between projectile rotation and micro motion is deduced. Based on Hilbert-Huang Transform...

To realize multi-image scheme selection of product color design, the grey relational analysis method was introduced into product color evaluation process. Through multi-image acquisition of product color design, users were asked to give their scores of each color scheme according to target multi-image,...

The clustering phenomenon often appears in histopathology image, some cells overlap or touch together to from a big area. It is necessary to design an effective algorithm to separate the clustering cells into single one. We describe a generic method for segmentation microscopy images based on supervised...

The internal control can transfer assets to the outside world security situation of the efficiency of corporate management and other signals, its essence is a guarantee for the normal operation and the control mechanism of enterprises development, it can help enterprises to achieve lower transaction...

This paper introduces the concept of learning autonomy proposed in the CDIO education concept. By analyzing the shortcomings in the practice of bilingual teaching, this paper points out the necessity of the construction of the bilingual teaching network platform. Then analyzes the existing problems in...

The permeability coefficient decides the land water retention ability to some extent. This study measured soil permeability coefficient in land of coal mining areas with double ring method, in order to show the soil water retention ability and analyzed the relationship between soil infiltration curve...

Now the Tencent Inc launched WeChat application has become the majority of mobile phone users to install higher use rate of high school students, especially the very widespread application. WeChat public platform is the foundation of the Tencent Inc in WeChat add function module of an extended, through...

Under the calling of the Chinese dream, the national culture fever is prevailing on the land of China wave upon wave. Chinese culture is no longer just a name in academic research field, or a code word for a subject, but the cultural gospel and cultural practice of an epoch, as well as great actions...

In this paper, a plant growth simulation algorithm was used to solve distribution network reconfiguration. The effectiveness of the proposed method has been tested and verified on IEEE 33 bus distribution system, the experimental results show that the Plant Growth Simulation Algorithm has better feasibility...

The topology of Three-Phase PWM Voltage Source Rectifier (VSR) is introduced in this paper. The mathematical model in three-phase static and two-phase rotary coordinate system is built. According to the component of reference voltage vector in two-phase static coordinate, the sector and the action time...

This study investigates the impact behavior of hematite concrete beams using drop-weight facility. Reasonable experiment scheme is disigned, different tups were used and varying drop weights and heights were applied. This study measures impact loads, mid-spanaccelerations,and strains at the top and bottom...

With the continuous development of modern information technology, college reading platform model is also in constant change. From the perspective of the existing application software, system application measures and application survey structure of the whole service status quo and problems both need to...

In the traditional software reliability evaluation models, there are assumptions that the detected faults can be eliminated immediately and the new fault will not be introduced, which does not fit for the real final software testing process. This essay modifies the above assumptions, treats the detection...

When the welding robot receives task instructions, it needs for trajectory planning of welding robot, in order to improve the work efficiency, welding task planning can work form he point of view of the joint space and also it can work from the Cartesian coordinate space planning. This paper analyzes...

Anemia, which is a common medical condition seen in many parts of the world with classic manifestations of fatigue, Weakness and dyspnea. Early detection of Anemia helps to prevent its progression and timely treatment. The dataset used in this study contained 218 images of conjunctiva, a good indicator...

In today's competitive environment, students need essential skills for opportunities, valuable career connections, and strategic career planning. Our paper proposes an innovative system, EduProgressor, to assist students in their career journey by connecting them with industry experts and facilitating...

With the continuous reform and advancement of education, requirements for teachers' professionalism are more and more strict. Normal students are generally engaged in education and teaching in the future, and the teaching practice ability will directly influence their future performance in teaching position....

Reform of public hospitals at the county level in national regions is different from the actual situation of other administrative regions, taking minority areas in Gansu province as an example, combing the current content logic on the basis of the reform of public hospitals at the county level in China,...

In order to inspect the condition of micro tools automatically and accurately in the micro milling process, a vision based on-machine measurement method is studied in this paper. The proposed methods can measure tool dimension, spindle radial runout and acquire the microscopic image with full depth of...

This paper studies the aerodynamic optimization of dome of high-speed elevator. A 2-D flow field of typical sections is created with Fluent software. Conic curves with different height and constraint parameters are used to fit the dome. Comparing these drags coefficients of each shape of dome, the optimized...

To meet the innovative talents cultivation requirements of China, all kinds of cultivation methods for college students' innovation ability come out like bamboo shoots after spring rain. This paper researched the mechanism of the college industrial park and discussed its advantages to enhance the innovative...

Permanent magnet synchronous motor (PMSM) has been widely used in industrial fields. The conventional control method for vector control of PMSM is PID, which has some disadvantages such as large overshoot, bad robustness. In this paper, a cascade control strategy with three rst-order linear active disturbance...

Object: through case analysis to study the effect of intervention on College students' Psychological crisis, and exploring the best teaching mode. Method: Students in grade 2017 in our school were selected to the case analysis. Four classes were selected by random cluster sampling. Total 89 students...

Accurate load forecasting can keep the safety of power grid operation stability and guarantee the normal production and life of society. Support vector regression machine is suitable to load forecasting. Its nature of learning method is to give a good forecasting ability according to a small amount of...

Millisecond pulsar can generate another type of time scale that is totally independent of atomic time scale, because physical mechanisms of pulsar time scale and atomic time scale are quite different. Usually pulsar timing observation isn't even sampled, and their data set is sparse, So we use cubic...

Novel nitro-benzothiadiazine 1,1-dioxide derivatives were synthesized and tested for their inhibitory activity against aldose reductase. Of them, 5-nitro and 8-nitro bearing ones displayed significant activity in IC50 values of 4.6 and 13.45µM. Their docking behaviors were also studied.

As a new financing model, project financing has been widely used large-scale infrastructure projects in the world. As project financing, BOT, PPP and ABS are three specific financing models, which has a good development in the infrastructure sector and great potential for development. From the perspective...

The lifting and rotating device is applied to areas increasingly. The high frequency lifting and rotating device described in this paper is mainly used to control the position of the structure of sound to be tested in the water tank, PLC controller is selected to control the X axis, Y axis, Z axis and...

Big data opens a new era of library transformation. Intelligent services of the smart library built by the big data are the innovation orientation of library service model. In the era of big data, the library should take a rational perspective to the maintenance and development of the library system,...

As an important part of building envelope, roof has a significant impact on attic indoor’s energy consumption and thermal environment. Water storage roof bricks have a good heat insulation performance and environmental effect under a certain structure. This paper researches the heat insulation performance...

SIFT, which is widely used for feature extraction in image recognition task especially when image rotation, translation, uneven illumination occur, has been applied in vein recognition task more widely. However, mismatching between intra-class and inter-class, which is unbearable for personal identification...

The ancient site of the real return is a new research field in digital cultural heritage protection field, using virtual reality technology to reproduce the ancient ruins can be completely without changing the original appearance of the site, and retain the modification to reconstruct the landscape,...

Abstract. Since 1996, China formally approved pilot professional master degree of education, the direction of education management in professional master degree postgraduate education has developed rapidly. But there are some problems in the development process, the paper proposes the corresponding improvement...

Taking 518 technology mergers and acquisitions of new generation information technology listed companies in Shanghai and Shenzhen A shares from 2013 to 2017 as research samples, this paper further studies the regulating effect of absorptive capacity and the mediating effect of marketing ability on the...

Staff training is the most effective way to obtain a competitive edge of a company, as well as to achieve a win-win situation. This paper offers some suggestions to the staff-training plan of a supermarket in Baotou through the analysis of its current status and problems.

With the rapid popularization of smart devices, the traditional social network based on PC is gradually transferred to the mobile Internet. For the problems of mobile devices such as small screen, low power, bad browse experience, etc. using information push technology to publish and access real-time...