Advances in Computer Science Research

Gravity survey is an important research topic in geophysics and geodynamics. This paper analyzes the accuracy of EGM2008, the newest Earth gravitational model, in two areas in Shandong Province of China. By comparing the gravity anomaly data from the model with those obtained by a strap-down airborne...

Refined pitches were obtained by distillation and solvent extraction with raw materials of the high temperature coal tar and medium-temperature pitch, respectively. Modified pitches were achieved by air oxidation treatment of refined pitches. Inductively Coupled Plasma-Atomic Emission Spectrometry (ICP-AES)...

The bonded interface between fiber reinforced plastic (FRP)plate and the concrete members is a key part while reinforcing the concrete structures with FRP plates. Under some external loading conditions, this interface was oftenin the direct shear action. Therefore, accurate measurement and analysis of...

With the spread of smartphones, customers have begun to make purchasing behaviors "anytime" and "anywhere", creating a purchasing process in an omni-channel society. Toward an omni-channel society, production consumers are transforming into production promotion consumers, and marketing...

With the spread of new online media, the turmoil and randomness of public opinion have exacerbated the cultural identity of college students. The cultural identity of modern college students is mainly reflected in four aspects: traditional cultural identity, general cultural identity, cultural belief...

Objective: In order to prevent health problems caused by excessive sugar intake, a smart water cup which can detect the sugar content of drinks is designed to remind users to take in sugar reasonably every day and meet their life needs of reasonable sugar control. Methods: Firstly, KJ method was used...

The paper studies a set of fast automatic cigarette packaging plan based on plastic-envelope machine which is used to solve packaging problems in the last one kilometers’ distribution to retailers. According to the packaging principle of box, group, bar and bag in cigarettes industry, design a packaging...

Giving bootstrap method of estimation based on multivariate regression analysis when representation of samples are small, the changing multivariate regression equation by bootstrap method of estimation is used as academic multivariate regression equation, and discussing process of bootstrap samples,...

Word advanced application, as an organic part of Applied Undergraduate non computer major general knowledge course -- office software advanced application course, is of great significance to improve student Word office software application level. Therefore, based on the importance of teaching design,...

Optimizing crop and fertilizer recommendations is paramount for productivity and sustainability in agriculture sector. Traditionally reliant on labor-intensive expert knowledge, this process now shifts towards automation with machine learning techniques. Our study on the existing system includes Random...

This paper describes the design of household intelligent cleaning robot, which is an innovative work of collegiate contest. This paper describes the general structure of system, hardware circuit design and software program design. The robot can achieve autonomous movement, garbage cleaning, obstacle...

This paper explores the function and general process of knowledge discovery by exploring the knowledge discovery and the general process. Knowledge delivery services and reference services.

By integrating logistics with capital flow and information flow effectively, supply chain finance revitalize the funds of the whole supply chain, foster innovation in financial products and services. From the perspective of e-commerce, based the analysis of supply chain finance model, function and market...

The accuracy retainability is becoming an important performance index of machine tool, and how to improve it is a tough problem faced to manufacturers and users. Generally, it needs to measure the errors termly and repeatedly during the specified period to analyze the timeliness machining accuracy retainability,...

Based on the Role Based Access Control (RBAC) model, this paper presents a Four-Dimensional Access Control (FDAC) model which contains four scopes: user, role, function and metadata. The FDAC model realizes the permission control of function and data, and it completes the whole process through meta control...

Speaker authentication is a key problem in the speaker recognition system which has a direct impact on the recognition rate. Classic authentication method is hard to get accurate recognition. This paper puts forward a speaker authentication method based on the quantum tunnel theory, on the basis of analyzing...

In the past two decades, the international and domestic electronic information industry has developed rapidly, resulting in great changes, and more and more mobile phone brands have been noticed by the public. The subject of this study is to study Apple mobile phones and Meizu mobile phones, aiming to...

This paper takes 101 listed companies of private placement in China in 2013 as the sample, and uses factor analysis to analyze the performance of private placement companies. Sample Firms will be divided into two categories: to the controlling shareholder or the related party of the private placement...

The design and the modal analysis of a small turbocharger rotor system are carried out in this paper. The design process and method of rotor system are summarized. Some useful conclusions are obtained in the modal analysis. These results will provide engineers with valuable information about the vibration...

The spherical plain bearing was established using the UG of three-dimensional modeling software and imports model into the finite element software ANSYS-Workbench in modal analysis. Under two different materials between GCr15 and Ti44Al2Cr8Nb3V0.5B0.5Al2O3 referred TiAl based alloys , analysis of modal...

Fair resource is a key building block of any shared computing system. Recently fair division theory has emerged as a promising approach for the allocation of multiple computational resources among users. While in reality users are not all present in the system simultaneously. Dominant Resource Fairness(DRF)...

The safety of vehicle power battery is an issue of particular concern for vehicle manufacturers, consumers and especially important for the application and development of electric vehicles. This paper introduces a drop test method of power battery, proposes a test scheme used for evaluating the drop...

We intended to observe the effect of absorbable hemostatic gauze (Tai Ling) in breast cancer surgery. We selected 200 cases of modified radical mastectomy for breast cancer patients, which were randomly divided into observation group and control group with 100 cases in each group. In the observation...

Aiming at deficiencies of current Equipment Support Management System on massive data query and analysis, this article proposed and realized a method of Structured Data Query used by the Cloud Platform based on Hadoop, after analyzing the data source. In the article, we used the tool of Sqoop to import...

Proper classification of spikes from extracellular recordings is essential for the study of neuronal behavior. A lot of algorithms have been presented in the technical literature. Combining with subtractive clustering and fuzzy c-means, we present a new algorithm named improved fuzzy c-means. Compared...

Educational service recommendation has attracted considerable attention since it can solve complicated educational tasks by gathering the wisdom of a crowd of teachers in recent years. In the education service recommendation system, parent (student) can send requirements to the education platform, and...

Traveling Salesman Problems is a classical kind of combined optimization problems. Solving TSP effectively can produce very important theoretical value in computable theory, and also has very high applied value in practice. Solving travel salesman problems by using some traditional algorithms is limited,...

A novel image encryption scheme with permutation-substitution mechanism is proposed. In the permutation process, the discrete generalized Arnold map is applied to disorder pixel positions and exchange the gray values of corresponding pixels at bit-plane pair. The continuous generalized Arnold map is...

With the increasingly fierce competition among manufacturing enterprises, collaborative innovation of the products is very important. By defining the virtual part, intermediate part, outsourcing part and the relevant mapping function, it is realized that the Engineering BOM(EBOM) and Process planning...

The research focus of the CBIR is to improving the accuracy of the image retrieval with the feedback technology. But this technology can not solve the problem between the low-level feature and high-level semantic , which is the difficulty of the CBIR and the difficulty of the image compressing and video...

Thecharacteristics of the fiber reinforced plastic (FRP) and concrete bonded interface directly decided the results of structural reinforcement. The shear test was well simulated, and the shear stress distribution along the bonded interface was obtainedby using 2D and 3D finite element method. The parametric...

Aiming at the poor connection and overload of electrical lines on campus, it is easy to generate fires, and then propose a wireless monitoring system to build a campus electricity monitoring system. The solution can dynamically set the threshold of the smart socket to avoid overload and affect the circuit....

Commercialization of electricity market is a new trend in the development of China's electric power industry. Power supply marketing management is the core work of the power supply enterprises to deepen the reform and integrate into the socialist market economy. It is the key process and key route in...

UAVs often need to perform tasks in low-level complex environments. In order to protect the safety of UAVs, it is necessary to avoid radar and to avoid early warning and obstruction. In this paper, the obstacle avoidance radar of UAV is analyzed deeply, and a stable, low cost and miniaturized LFM broadband...

Derivative peaking phenomena appears in the initial stage when the initial value error between the classical extended state observer (ESO) and system state variables is bigger. A general form of extended state observer with nonlinear hyperbolic sine function is provided. The stability of a second-order...

This paper introduces an acoustic emission sensor using PVDF Piezoelectric film which is convenient to use in the field. In order to verify the reliability of GIS fault fast positioning system based on PVDF piezoelectric film sensor, four different kinds of typical defects were set, and the practical...

With the continuous development of the state grid, the application of information technology has been strengthened. And the application of data network is more and more complex. In this paper, it will combine the practical work experience with the fault location and the exclusion of the state grid data...

The development of the system is mainly for students in the Android mobile platform for online testing of each course.This paper first gives the environment of the development of the testing system, analyzes the system structure of the online testing system, expounds the basic development ideas of the...

Crank and rod mechanism is the key component of the engine, and its stress variety and load distribution have an important effect on the reliability of the engine. The kinetic and kinematic responses of the crank link mechanism are studied by the coupling analysis of multi-body dynamics and static mechanics,...

The leaps in Artificial Intelligence (AI) in recent years have been unparalleled, spawning world-class collaborative platforms to align civic strategies, illuminate near-term realities, and steward sustainable, long-term urban outcomes. These features integrate AI governance, ethical use of AI, and generative...

Based on the GARCH-Copula-CoVaR model, this paper examines the stock market interdependence structure and risk spillover effects between China and the regions along the “Belt and Road”, and analyzes the characteristics and evolution of risk correlations in normal and extreme situations. The research...

The network intrusion detection systems which based on anomaly detection techniques plays an important role in protection network and systems from harmful attacks. With increasing in attacks and the new security challenges, The lower accuracy of anomaly detection method based on cluster analysis network...

With the development of society and the improvement of living standards, the increase of the average life of residents, China has gradually entered the aging stage. Community health service has been more and more attention. In this paper, proposed a people-oriented, application of computer network, medical...

On the road of exploring the innovation of teaching mode, the new and old teaching mode are crossed, and the MOOC and SPOC are mixed with the flipped classroom model to construct a mixed teaching model based on "MOOC + SPOC + flipped classroom", make it localized and campus. In view of the small scale...

Under the background of the rapid development of information technology, modern education is inseparable from the multimedia assisted teaching with information technology as the core. Multimedia teaching with computer as the main body can provide students with rich and colorful information resources...

Text Classification with sentiments understanding is an essential task for data processing and predicting user behavior. In case of Multilingual data, the process requires to convert the entire data to machine understandable language or to pre-process the text prior to classification keeping the semantics...

Office leisure is the common pursuit of the enterprise, government, leadership and staff. The relaxed, happy, free and comfortable life is people always wish, also is inevitable to era development and social progress. So, according to the demand, indoor and outdoor dual-use multi-function folding leisure...

The paper analyzes the development factors and existing problems of small micro-tech enterprises. Taking the growth experience of Sanya Yunxin Technology Development Co., Ltd. in Qiongzhou University National University Science Park as an example, this paper analyzes and studies the direction of development...

In this paper a 6-path tunable bandpass filter which is able to reduce both Harmonic Selectivity (HS) and Harmonic Fold Back (HFB) effect simultaneously is proposed. The filter contains two channels of 6-path switched capacitor filters with same circuit structure but different clocks and is designed...

The prevalence of short text comments in the comment sections of social media platforms accelerates the rate of information dissemination. The diversity and unpredictability of comment content can affect the sentiments of viewers and their judgment of topics and interfere with social media platforms’...

Stock market price prediction is a significant research area in finance, and accurate predictions can help investors make better trading decisions. With the advancement of machine learning (ML) technology, data-driven methodologies have progressively superseded classic statistical models. Based on Yahoo...

China cultural goods trade is attracting wide attention from all walks of life. But there are still plenty of problems behind the rapid development. Therefore, this article studies China cultural goods trade from two perspectives, analysis of situation and the empirical analysis. In the empirical analysis,...

With the development of biomedical engineering, computer science and the bionics, medical treatment develops fast with them too, because these technologies are widely used in medical treatment. Retinal prosthesis is an example based on these technologies. In this paper Spartan 6 series XC6SLX150T development...

As a new power supply mode, wireless energy transmission has a very broad application prospect, which has been widely concerned by academia and industry. In this paper, based on the principle of magnetic coupling resonance, analyzed the technology and designed a set of wireless energy transmission system...

The current situation of the index term extraction for Chinese books was investigated. Aiming to improve performance of traditional key phrase extraction methods for extracting index terms, we propose a novel feature named professional score to evaluate the importance of each candidate. Wikipedia is...

In order to achieve the goals that asynchronous motor operates energy –savingly and economically by lowering the operating voltage when the light load or no-load running, this paper starts from the T simplified model of asynchronous motor, and analyzes the energy consumption in detail, then uses the...

The harmonic pollution of power electronic equipment has a strong negative effect on the quality of power supply and power efficiency. In order to improve the power factor, we designed the three-phase two-level active power factor correction (APFC) circuit. The former Boost converter connected with the...

Recently, various acquisition systems require data converters to provide higher resolution and sampling rates. The physical layout of parallel interfaces and the bit rate limitations of serial LVDS methods pose technical hurdles for designers. The design is based on the classical architecture of FPGA+DSP+ADC...

We study the regional mutual information to build a powerful and effective no-reference (NR) image quality assessment (IQA) approach. This approach does not need to compute distortion-specific features, but use the features which can distinguish the distortion in images across the distortion types. Such...

With the purpose of applying a Gaussian distribution as a diagnostic tool for detecting incipient faults in power transformers, we investigated the fundamental characteristics of Gaussian distribution than theorem of the form – the mean and variance of the uniform distribution to take the parameters...

In this paper, we have made a simple Al-p+ layer on n-type silicon wafers with a commercially available aluminum paste, screen-printing and traditional annealing furnace. The influences of firing cooling rate on the structure and thickness of Al-Si recrystalline layer are discussed. By changing the cooling...

Fair resource is a key building block of any shared computing system. Recently fair division theory has emerged as a promising approach for the allocation of multiple computational resources among users. We have introduced Contribution Resource Fairness (CRF), a fair sharing model that generalizes max-min...

This paper analyzed whole workflow of this system, and pay attention to detailed the function of upload data to system by using the analysis method of Finite State Machine for testing. Introduction

This paper presents a method of improving the position response speed of the servo system based on electromechanical actuator position servo system. In this paper, a novel decouple technique is derived from PMSM decouple state equation, separating direct axis current from quadrature axis current ulteriorly,...

As the popularity of the smartphone, APP for smartphone has been an important industry of Mobile Internet. In this condition, users of this phone concerned much more about the experience of APP’s interface. In this paper, the author based on lots of survey, summarize a serial of useful theoretical basis...

How to motivate the officers to be at ease is the important problem of the relationship between the core fighting force of the army. At present, the military general use of the task of the lack of a lack of strategic thinking on the overall organizational strategy, long-term incentive system is too simple,...

In the design process of modern advanced propeller or prop fan, tip induced loss has been the foremost cause of power cost and its natural of difficulty in quantization also causes the deviation of power on the design point. Based on the former research and combined BEM method with the Tip-Loss Factor,...

The power supply problem is one of the main problems facing the capsule-like robot technology. There are many issues worthy of further exploration. Such as the transmitter power and efficiency is not high, the performance can be greatly reduced when increase the using frequency, coil position stability...

Transportation is an indispensable part of the city, however, with the development of social economy, traffic congestion, traffic accidents, resource shortage and other related issues have become the common problem faced by all countries in the world. Selecting an optimal traffic-scheduling scheme to...

At present, the closed-loop identification methods of nonlinear systems can not provide an satisfied performance. Generally, the step responses are performed to obtain the acceptable models of industrial processes. In consideration of this, the paper proposes a state distinction based identification...

The construction project is a costly project, and waste of resources has always been a common phenomenon in construction projects. The construction cost control should be from the whole process point of view, in order to effectively control the cost within a reasonable range. In this paper, the author...

In this paper, we propose an efficient proposal of quantum-controlled teleportation for transmitting arbitrary multi-qubit states via maximally three-qubit entangled states, in which the sender transmits arbitrary multi-qubit states to the remote receiver under control of the supervisor. This proposal...

In terms of specific energy consumption, heat treatment of magnesite in shaft furnaces is a very difficult process allowing reaches the desired characteristics of processed magnesite substances only in increased energy consumption. The main reason is nonuniformity of sintering temperatures in the cross...

At present, raw milk is mainly supplied by smallholder dairy farmers or small-scale feeding bases in China. Considering liquid characteristics of raw milk and its current acquisition mode, the paper analyzes the feasibility of quality improvement cooperation between the dairy farmers and processing companies...

In recent years, with the global economic integration, marine trade has rapidly developed. The the scale and quantity of marine trade gradually expanded, the demand for maritime technical personnel increased, and the higher requirements of the quality of personnel are put forward. In order to fully implement...

The spiritual character of patriotism can be greatly strengthened and embodied in military training. Cultivating the quality of patriotism of contemporary college students is conducive to inspiring their patriotism and helping them to establish a correct political outlook and values. In view of this,...

In the last several years, methods with learning procedure held the state-of-the-art results for person re-identification (re-id) problem, especially the metric learning algorithm. Recently, with the success of deep learning methods on many computer vision tasks, researchers started to put their focuses...

With the rapid development of the internet and e-commerce, the scale and influence of internet platform companies are gradually expanding, bringing new categories and challenges to corporate social responsibility. The emerging internet platforms have the characteristics of multi-level and nested nature,...

Through the elaboration of the application status of computer 3D modeling technology and the discussion of the development trend of customized furniture industry, the computer 3D modeling technology is applied to the design link of customized furniture, and the relevant design practice is carried out...

In recent years, machine learning algorithm has been widely studied in the field of traffic classification. However, most studies focus on performance improvement of classifier, pro-phase work of traffic classification - feature selection is ignored. Therefore, WSU is regarded as metric, an ATFS algorithm...

In the design of control system, if only the control precision is taken into account, the control energy may be too large, but in a real system, control energy is often limited. Based on this, the attack angle error and engine power are treated as optimization objectives, then the parameters optimization...

IN order to find out the family's behavioral intention to use the Early Education and Parenting Apps, this paper is based on the S-O-R theory、the Technology Acceptance Model and the use and satisfaction theory. The data of 917 valid questionnaires from 33 provinces in China were analyzed by structural...

This research project explores building a speech emotion recognition system using Convolutional Neural Networks (CNNs). We leverage multiple datasets like RAVDEESS, Crema-D, TESS, and SAVEE, which contain audio recordings labeled with emotions (happy, sad, angry, etc.). After meticulously converting...

The investment strategies of hedge funds are diversified. In the face of changing market conditions, it remains unclear whether the hedging strategy will be affected by external factors within a specific period, resulting in abnormal performance or not. On this basis, we investigate the performance of...

Multi-outlet link has been widely used in the campus network. Based on the actual case, this paper introduces how to use DNS to adjust the inbound and outbound traffic of multi-outlet network, the users do not need to modify the client.According to the actual use of the outlet link, we can take the precedence...

Objective To study the effect of bioactive peptides from the oviductus ranae of rana temporaria chensinensis on immune function in normal mice.

This paper mainly discussed a multi-degree-of-freedom, multi-servo-control methods in walking process of a bipedal robot, 4-way multi-infrared tracking and other related content. A robot designed according to the relevant principles can automatic tracking, collect the signal through the transmitting...

In this paper, we conduct research on the effective image retrieval algorithm based on the edge detection and morphological analysis. In the process of image retrieval, the traditional method, because of the disturbance to the environment and the filming equipment considered inadequate, because the filming...

In this paper, the life evaluation of gyroscope components of information-based ammunition control system is carried out by using accelerated life test. The present research situation of accelerated life test technology is discussed, and the basic principle, shortcomings, the general process of evaluating...

With the development of the economic society, the employment environment, employment structure and other aspects of our country have changed. College students' self employment is no longer strange, but the entrepreneurship road is very hard. Colleges and universities should adhere to the people-oriented...

For facial expression features extraction and automatic clustering, a method is proposed. This method integrates improved LBP operator and K-means clustering. Firstly, facial features are located by integral and variance projection. Improved LBP operator with changed threshold is figured out. Secondly,...

Although silicon carbide crystals have been commercially available, the structural discontinuity in crystal always leads to complex interplay between the atomic positions and the electronic structures, hence results in the crystal reconstructing structurally and electronically. Here we investigate the...

The twenty-first century is the era of knowledge economy, and the core is entrepreneurial economy. How to facilitate the innovative entrepreneurial education, improve its education quality has always been the mission for college teachers. Flipped classroom will change the traditional role, learning space,...

The basic principle and application of piezo-resistive and piezoelectric are expounded. Also the method of deposition of tantalum nitride on the glass to fabricate piezo-resistive pressure sensor, and the method of a plurality of piezoelectric thin film in parallel to form a high sensitivity sensor are...

( )-Epigallocatechin-3-gallate (EGCG), a major compound of tea polyphenols it has exhibited an antioxidant activity in previous studies. Cu2+ can be a center ion in complex reaction with EGCG and affect its antioxidant capacity as well. To investigate the effects on antioxidation of EGCG after add Cu2+...

To solve the difficulties in training on ship, a new simulator was developed by importing, digesting and recreating the Kongsberg simulator. With model-based and object-oriented design following by modular programming method, the whole set of system is developed by VB under Windows platforms and Sequence...

The quality of side information (SI) has a direct impact on the rate-distortion (R-D) performance of multi-view distributed video coding (MDVC). In this paper, we propose an inter-view SI generation scheme for MDVC, which combines hybrid search and multi-selection. In the presented scheme, both feature...

ince the 1950s，especially the 1970s，a large number of Western women photographers haverisen ,using their own bodies as subjects, and self-photography as an all edge tool, cutting into care of the social and culture deveplopmont, making multiple photographic styles from a new moden visual culture landscape,...

For the granular materials thermal treatment, the material granulometry belongs to the principal factors influencing furnace performance and product quality. Mathematical modelling belongs to the basic tools of their research and operation. The paper presents the mathematical model adaptation for thermal...

Taking into account the development trend of distributed photovoltaic power generation, there will be a high permeability of PV in the future distribution network, and the traditional three stage current protection will be no longer applicable because of the malfunction or rejection. In order to maximize...