Advances in Computer Science Research

Query expansion technology is usually used to make abundant query to search information. Traditional query expansion based on WordNet, user search log or user feedback couldn’t get the user’s real intent, sometimes the latter could expand overly. In this paper, we propose a novel query expansion method...

In order to obtain better static and dynamic performance of the nonlinear system, in this paper the compound control system which the inner loop adopted direct inverse model control and the outer loop adopted model reference adaptive control was designed. Aiming at the difficulty to building inverse...

Hydraulic fracturing is an important EOR technology of low permeability reservoirs which occupy a considerable proportion in China’s oil reserves. If hydraulic fracturing fails, re-fracturing will be used in most oil-water wells. However, there are often a large number of inclusions in low-permeability...

Adaptive possibilities biosystems appear only in real life conditions, namely in particular natural or artificial environment of an organism habitat. According to the authors, for the state of biosystems integrated assessment the promising approach is based on entropy methods for modeling complex systems.

The design is to change the ordinary one-directional push-type pump into bi-directional pull-type pump. At the same time, it also integrates bi-directional pull-type pump and bike handle faucet, which integrates the pump and bike together successfully. Therefore, this design fundamentally improves the...

The paper will analyze the necessity of research on Model and Simulation of ocean wave power generation platform of hydraulic lifting system. Aiming to the working condition and mechanism of self-elevating power-generating platform ,the paper will provide overall designing scheme and analyze the working...

Focused ion beam systems complement conventional processing methods and can be used to prototype and modify a diverse range of nano-devices and sensors. Controllable incident focused ion beam is difficult to obtain due to Coulomb interactions among ions. In this paper, Coulomb interactions of a practical...

Topology control in a sensor network balances load on sensor nodes and extends network lifetime. Clustering sensor nodes is an effective topology control approach. In this paper, an improved distributed clustering approach for wireless sensor network is proposed. Our proposed protocol, IMRP(Improved...

In this paper, we propose a hybrid synchronous algorithm based on the combination of distributed and centralized algorithm. First of all, we put forward the concept of local cluster and generalized local cluster. The cluster is a collection of synchronous UE meeting certain conditions and has a center...

In this study, the lauroyl sucrose ester was synthesized by microwave-assisted lipase-catalyzed reaction under non-aqueous system. The influence of the microwave power, the amount of molecular sieve added and the reaction time on the conversion of sugar esters were explored. The results showed that compared...

This paper presents a method of query expansion based on lexical time distribution for micro-blog search. Similarity of distribution is used to measure the correlation between the extended words and the query words. A query model based on the time distribution of the words is established. The query expansion...

The secure payment on network is the core of E-business, because the security of the network payment has a direct effect on E-business. So, how to guarantee the data-transmission security on the network has become one of the most important factors in popularizing E-business. The payment mode of the improved...

In order to improve the life cycle of wireless sensor networks, An opportunistic routing protocol (GEBOR) based on geographic location and energy balance is proposed.The routing protocol comprehensively considers the transmission radius, link quality and residual energy threshold, and transmission energy...

With the continuous development of network technology, higher vocational English teaching mode has opened the path of innovative exploration. This paper focuses on the higher vocational English teaching and the advantages of Higher vocational English teaching mode under the network platform based on...

This paper focuses on experimental teaching in high-frequency electronic circuits, conducting research using small-signal amplifiers and capacitive-feedback oscillators as case studies. For the small-signal amplifier, a circuit is constructed using an experimental box, and tools such as a sweep frequency...

This paper presents a new filled function method for global minimization problem with smooth or non-smooth box constraints. The constructed filled function contains only one parameter, which can be adjusted readily during the iterative process. The theories and the computational properties of the filled...

Following the widespread application of cloud computing, many users outsource local data to cloud server. Users encrypt their data before outsourcing makes the traditional query method failure. Aiming at the problem of slow query speed and low accuracy of ciphertext query, an improved ciphertext query...

Currently pedestrian counts mainly faces two major problems in the crowd scene: expression of pedestrian's features and perspective shade. To address this problem, we propose a deep convolutional neural network (CNN) and Ensemble Inference Network (EIN) for crowd pedestrian recognizing and counting....

The purpose of the paper is to explore a perception gap model based on the dual perspectives of customer value. This is achieved through discussing on the five perception gaps of customer value between the company and its customers. Collectively, these gaps include: attribute gap, importance gap, performance...

This article features a random survey the author conducted among graduate students in 12 higher education institutions in Guangdong Province to evaluate the status of their exercise and mental health. The survey aims at examining the relationship between graduate students' exercise and their mental health....

The traditional constant modulus algorithm (CMA) can’t ensure robust convergence performance under impulsive noise environment, hereby a blind equalization by CMA with nonlinear transformation carrying on the received signal was proposed. The impulsive noise can be suppressed effectively by sine transform,...

Commercial off-the-shelf (COTS) software and hardware components are widely used in the design of train control system. In order to satisfy the application requirements of the safety computer in train control system, it is necessary to analyze its safety properties. In this paper, a method of safety...

This paper presents a risk estimate for commercial cluster development using Random Variation of demand, to estimate the risk loss of demand fluctuation for the commercial cluster, and adopting Logit Model and Maximum Likelihood Method to estimate demand fluctuation because of business model innovation....

Urban navigation applications of the global positioning system (GPS) suffer from the problem of multipath propagation caused by complex signal reflections in local environments. The resulting errors of ranging can finally lead to an unacceptable degradation of positioning accuracy for many GPS applications....

This paper investigates hedge investment by using T-bond futures in terms of static and dynamic frameworks to control the interest risk of different types of bondsportfolios. The empirical test shows that the hedge performanceare affected by the correlation between the prices of bonds and treasury futures,...

Changing the previous mold design methods based on experience, intuition or repeated testing molds, the design method with combination of the computer-aided design software UG, the data transfer software CADDoctor and the finite element analysis software MoldFlow is adopted for design and optimization...

In this paper, we compare the performance of non-imaging receiver (NImR), imaging receiver (ImR) and imaging angle diversity receiver (ImADR) in an indoor multiple-input multiple-output visible light communication (MIMO-VLC) system, in terms of area spectral efficiency (ASE). Analytical ASE expressions...

With the continuous development of Internet technology in China, the teaching level of higher vocational colleges in China is also constantly improving, and gradually becoming one of the very important topics in higher vocational colleges. China has gradually entered the information age, and more and...

The growing level of sophistication of artificial intelligence has made it possible to create highly realistic synthetic media, also known as deepfakes, which are posing significant limitations to the admissibility and reliability of digital evidences. Deepfakes involving audio, video, and visual content...

News is an important way to understand the information of contemporary society, and it is necessary to quickly categorize and identify a large amount of news information. In this report, a classification task was performed on Chinese news headlines based on the Bidirectional Encoder Representations from...

Patent design around is crucial to the enterprise's product design and technology innovation. The patent-around innovative design method based on TRIZ is proposed, using function analysis to analyze the existed patent, providing the process and method for the enterprise's in-depth analysis of patent...

Degradation of the natural environment is presently attracting significant attention among the Information Systems (IS) academic community. Consequently, the subject of sustainability continues to gain a foothold in the mainstream of IS research. However, as the body of research grows, the exact meaning...

How to evaluate innovation ability objectively and scientifically of high level innovative technical personnel is of great significance for an area to draw up scientific and technical policy and originality innovation strategy. By literature review method, analytic hierarchy process and expert scoring...

With the development of the mobile terminal manufacturing level, and mobile terminal speed faster and faster in past years, the price is more and lower; Finally, The Internet by mobile phone and other devices connected to each one of us. Network evaluation system based on PC, in the past, needs for mobile...

With the development of market economy of China, the workforce of employee has been required more strictly. For this reason, the primary mission of university should be combined with the actual situation of social development, talent market and employing unit to improve the professional ability of students....

Teaching supervision are endued three major functions of supervising teacher and student and administration in the local colleges and universities, including school's philosophy and positioning, personnel training programs, curriculum, teaching content, teaching level, teaching management, student learning...

The instrument uses a single chip relative humidity and temperature multi sensor SHT11 module comprising a calibrated digital output, which can measure temperature and relative humidity of environment at any moment, timely and real time. It displays temperature-humidity value, dew point value, date and...

Along with the continuous progress of science and technology, industrial automation has been more and more widely applied in various industries. As it raises labor productivity and breaks the confinement to human labor, it has played a significant role in China’s economic construction. This paper mainly...

Aiming at the problem that the existing cigarette machine detection technology has low precision in detecting the soft and hard points of cigarettes in the cigarette production process, an intelligent online soft and hard point detection method of the cigarette machine is designed. The method has the...

In order to propose an effective emotion recognition system, this paper proposed a novel Haar wavelet transform based emotion recognition system. This system is based on facial expression images obtained by digital camera. Our method used principal component analysis as the dimensionality reduction approach....

One common musculoskeletal problem is tight hamstrings, which can reduce flexibility, raise the risk of injury, and impair performance in general. College students are particularly prone to hamstring tightness, especially if they lead sedentary lifestyles or participate in sports. Static stretching has...

With the rapid development of digital technology, the cross-fertilisation of art and technology has become an important trend in contemporary academic research and practice. Interdisciplinary research methods can not only expand the boundaries of artistic creation, but also provide a new source of inspiration...

On the basis of the panel data of 11 provinces in 2005 ~ 2021, this paper chooses the construction industry of China’s coastal provinces as the research object, studying the decoupling relationship and degree of the construction industry’s economic growth and carbon emissions with Tapio decoupling model....

The sample of Zn3V2O8 has been preparation by high temperature solid phase method with fluxing, and studied the effect of preparation condition and the luminescence property with fluxing. The results of phase studied show that the crystal morphology was improved, the reunite of grain crystal was decreased,...

A P-band high-efficiency, high power GaN power amplifier is designed and relized on the basis of the push-pull structure. The LRC-LC stability network is proposed and applied to the power amplifier circuit for the first time. The LRC-LC stability network can significantly reduce the high gain out the...

In this paper, an automated vehicle license plate identification system is implemented based on LabVIEW. The process includes three parts: vehicle license plate localization, characters segmentation and characters recognition. We used color feature to detect license plate location, and then segmentation...

The influence of different assembly misalignment on the meshing performance of spiral bevel gears was studied. Based on the principle of local synthesis, the meshing model of spiral bevel gears is established. The tooth contact analysis of spiral bevel gears is introduced. Taking a pair of spiral bevel...

The paper adopts machine learning framework to analyze matching suitability of SIFT match points in INS/SAR integrated navigation system. The paper adopts machine learning framework to analyze matching suitability of SIFT match points in INS/SAR integrated navigation system. It aims to select the matching...

Based on the data mining method, support vector machine, technology and related analysis of variable selection methods, establishing binary classification model of VIP users and Ordinary users for commercial banks, executing classification prediction and results verifying on VIP users and Ordinary users...

NASA demonstrated that there are more than 500,000 pieces of space debris around the earth. It is necessary to remove the space junk because they do great harm to the aircraft. How to remove the space junk has become a universal concern..In this paper, two models are established to determine commercial...

Release control plays an important role in the performance of semiconductor manufacturing lines. Considering their characteristics, a release control policy based on the primary bottleneck workstation utility of multiple semiconductor manufacture lines (abbreviated as Rel_M2) is proposed. Comparing to...

Chaotic neural network has a wide range of applications, especially in uncertain time-series prediction. Aihara Neural Network takes refractoriness into consideration and shows superiority in solution to TSP. The inspiration was from peers’ work on specifically targeted on deep brain by nanometre materials....

Contemporary recommendation systems encounter the challenges posed by information overload and personalized user needs. Recently, there has been a widespread application of deep reinforcement learning algorithms (DRL) to tackle the aforementioned issues. The paper provides a detailed introduction to...

With the breakthroughs in cross-modal technology of artificial intelligence, multi-modal question answering (MMQA), as a key research direction connecting image, text and voice information, has increasingly significant application value in fields such as barrier-free services and education. This paper...

Today, with the development of new technology, the way we use museums to display history and culture has changed. It has gradually shifted from offline to online. At present, the online exhibition of the museum has integrated virtual reality technology, which is not only innovative in technology, but...

This study proposes a CMF design method based on Kansei engineering to address passengers’ perceptual needs in tourist trains and to improve the alignment between design and cultural imagery. Taking Xinjiang–Central Asia regional cultural imagery as the analytical dimension, a methodological framework...

This paper introduces an available method, which displays the short video production processing on Android. Including three such steps as raw video recording, video editing, and video exporting. The general method those short-video-processing apps like Meipai, Duopai and Miaopai use need NDK to develop...

With the improvement of the advanced manufacturing system integration requirement, obtaining graphic data from DXF file provided by Auto CAD software becomes more necessary. DXF is an open vector data format, which is easy to read and analysis, and it has always been the general CAD/CAM researchers’...

The different positions and angles of the optical sensor are calibrated before using the optical coordinate measuring system. In this paper, we analyze and optimize the common calibration process, reduce the unnecessary links, shorten the calibration time, and improve the efficiency of the optical coordinate...

Motion-blurring is caused by the relative motion between the camera and the object. It is a ubiquitous matter in the fields of the photo shot at the plane or space aircraft and the photo of object moving at high speed and so on. The paper analyses the theory of images blurred by motion and sets up the...

Compared with traditional network, Software Defined network (SDN) technology contains data plane, control plane and application plane. The control plane centralized controls multiple switches instead of only one switch. Therefore, SDN has more security requirements. The existing network security equipment...

The road network environment, Top-k query algorithm of spatial object query efficiency is a measure of the important indicators of query performance. Because in the practical application of query location is often mobile, using the traditional snapshot query to deal with the efficiency of mobile query...

This article deals with the model of tutoring accompanying students with special educational needs and disability in conditions of professional education. The goals, tasks, main components and specific features of the tutor's activities are presented.

At present, almost all the provable data possession schemes require a large number of exponent calculations. In this paper a new scheme based on the homomorphy of NTRU algorithm is proposed. The scheme includes modules of Key Generation, Tag Generation, Challenge, Proof Generation, and Verification....

In the paper, a feasible mode control model based on Fourier Optical analysis is proposed to increase the transmission capacity of optical fiber communication. Our model combines fresnel diffraction and 4f system to implement mode control, where the phase-only spatial light modulator is employed as a...

In many astrophysics black hole accretion disk systems, the episodic jet formed by the plasma group is observed, but its origin is not yet understood. On the basis of the MHD model, this paper adds the relativistic effect, develops a new magneto hydrodynamic model to study the nature of the episodic...

The use of machine learning method is discussed herein to produce a corpus by domain knowledge ontology and conduct text classification according to the ontology of professional knowledge domain. Nowadays, a large number of literature materials have been accumulated in each professional field, and it...

Discuss how to manage the production of rubber formula, realize the Rapidity and efficiency the production formulation. Based on InterBase database and Delphi software development, connecting with the actual operation, introduce in detail the steps in the process of database management software development,...

This article designs an electronic tags system solution based on Internet of Things technology. In order to clearly explain the scheme, this paper first introduces the system structure of the IoT electronic tags, then introduces the key hardware modules and terminal control software design to realize...

Translation is showing the text meaning of one language with another language show, and English translation is the mutual conversion between Chinese and English in our daily use which means English translation is the main form of translation in China at present. This article comes from the perspective...

Whether the communication is smooth or not is an important factor that affects intelligence transmission, command, guidance and combat synergy. Calculating the communication area of communication equipment and achieve visualization can well demonstrate the communication efficiency, and guide commanders...

As the smart grid develops rapidly in China, modern power system has been turning into an information system with massive and heterogeneous data. In this paper, the integration of heterogeneous service software and internet-of-things application platforms has been proposed to build private cloud for...

This article takes the Erhu performance professional teaching as its research object and the music department of School of Arts, Yangtze University as its research background. By tackling with two aspects, the transformation of the Erhu teaching concepts and the reform of Erhu teaching method, this article...

This paper focuses on how to train for more fit social development Android mobile application development talents to expand research, elaborate Android curriculum reform and curriculum ideas, explain the teaching contents, teaching ways, teaching means and assessment methods of Android curriculum in...

Heilongjiang is one of the major grain producing areas in China and we can clearly see its grain contributions. Based on grain contribution and profit deviation degree, the paper analyzes grain contribution and grain profit deviation among 13 main grain producing areas and clears its important status...

In order to broaden the sound absorption bandwidth of single-leaf microperforated panel(MPP),The structure of MPP with partitioned cavity is introduced and its sound absorption performance is studied by impedance tube experiment. Results show that the MPP with partitioned cavity has two sound absorption...

Code coverage has always been an important factor affecting the efficiency of Fuzzing, and it is largely affected by Fuzzing test cases, so it is very important to construct efficient test cases. Applying genetic algorithm into the generation of test cases, it can not only reduce the redundancy of test...

In addition to check the availability of the Global Position System (GPS) receiver, residual 2 detection method, which is used to assess the quality of auxiliary information provided by GPS and the fluctuations of the outputs of Kalman filter, is introduced in this paper. If the value of the detecting...

The distributed radar system is a solution to detect small targets in the space. But how to effectively accumulate the received signals from different radar stations is a challenging work. The signals influenced by different time-delay, Doppler frequency and reflection coefficient will have different...

House prices in four East China metropolises may lead those in other cities in China. The comovement between the metropolitan housing markets will reinforce their leading role in other housing markets. This paper aims to investigate the long-run relationship between four East China metropolises. The...

Reducing energy consumption is one of the most pursued economic and ecological challenges concerning societies as a whole, individuals and organizations alike. At the same time, advances in ubiquitous computing now allow for comprehensively measuring energy consumption in close detail. Still, few studies...

As the mainstream choice for college students in fitness, leisure sportnot only affectsthe choice of lifestyle and living quality improvement of undergraduates, but also is an important form of lifelong education and lifelong sport. This paper presents the interactive relation betweenleisure sports and...

With the continuous development of various sensor network positioning technologies, the accuracy of robot path planning based on wireless sensor networks has been continuously improved. Therefore, a Dijkstra path planning method for sensor networks based on optimized ant colony algorithm is proposed....

Because of high breeding density, the laminated henhouse with six overlap tiers cages microclimate has more influence to layers health and production performance. At present, the environmental measuring parameters and the measuring points are too less to reflect the whole henhouse environment. To solve...

This paper considers a spatial dynamic panel data regression model with fixed effects, spatial correlation of dependent variables and error serial among cross sectional units. When the number of individuals n , the number of time periods T are large, and T is asymptotically large relative to n, the paper...

In recent years, research on autonomous driving has gradually gained attention and is regarded as a transformative technology that is expected to reshape people’s travel methods and drive significant advancements in the automotive and transportation fields. SLAM technology is a core component supporting...

The internal defects of transformer can be detected by dissolved gas in transformer oil. In this paper, we firstly have the routine test such as DC resistance of transformer, dielectric loss, and so on. Then we do the transformer induction withstand voltage experiment, partial discharge test and make...

In medical devices required in electrocardiography, electroencephalography, electromyography, electrooculography, etc. the most important element is the medical electrode intended for measuring biopotentials. The optimal selection of electrodes is possible only after testing them to confirm the claimed...

This paper presents the relationship between timing and level using Bayesian model for sensor network node failure prediction methods, combined with each node sensor network processing information, the use of qualitative analysis time information will be integrated into the node to analyze the fault...

As the electric vehicle with different kinds of motors set at front wheel and rear wheel for example,the modified characteristics of motor's braking torque come out according to normal characteristics of motor's torque. Based on the motor's modified braking torque curve,the ralationship between braking...

In current English language learning environment, most Chinese EFL (English as a foreign language) learner’s English speaking ability has far fallen behind their writing ability. Many scholars tried to employ Output Hypothesis in college English language courses to improve the effects on students’ language...

Along with the in-depth development of information technology, tourism e-commerce and websites have played an important role in tourism. As the combination of tourism industry with information technology is becoming more and more closely, tourist have become more and more dependent on online tourism...

Based on the long tail theory,this paper analyzes the internal logic betweeninternet finance and the financing problems of small and micro enterprises.This paper illustrates that small and micro enterprises have distinct long-tailed effect on internet finance through the features of long tail market...

As to high pressure bulging of spiral stator metal tube with equal thickness rubber bushing, the paper proposing a method of internal and external high pressure bulging which charactered by the diameter of the rough tube is between the major diameter and the minor diameter of the spiral surface of the...

In today’s complex environment, the requirements for the ability of enterprises to deal with the crisis are higher and higher, which means that enterprises need to take appropriate crisis response strategies according to their own situation. This paper uses the questionnaire survey method, through the...

Colleges and universities build artificial intelligence ideological and political teaching systems, and make full use of modern digitalization to make ideological and political education more intelligent. Ideological and political education in colleges and universities uses artificial intelligence technology...

The task planning of satellite-ground time synchronization (SGTSTP) is a complex multi-objective ground station scheduling problem. In this paper, we establish the problem formulation and analyze the optimization objectives. Based on the complexity analysis, we design a solving framework based on decomposition,...

If Modern Higher Women’s Vocational Collegesdesire to stand out among multiple Higher Vocational Colleges, it is critical to improve their core competency. In order to demonstrate the “characteristic” of characteristic education in it, the following measures should be taken: The first one is to optimize...

Combined with engineering application practices, we plan to collect dynamic data from various types of substation equipment, so as to implement an intensive state warning and diagnose system that faces the whole power grid in a province. In order to solve the problems of data exchange and application...

The new information technology is the key technology to meet the demand of medical services, and medical wisdom is an important research direction of medical information. It is the fusion of networking, cloud computing and big data processing technology, which can greatly improve the medical quality,...