Advances in Computer Science Research

Due to the limited energy, memory space and processing ability on wireless sensor nodes, the batch learning method will be infeasible for larger number of samples or sequence samples. This paper focuses on the incremental learning method for kernel machine by involving L1 regularized, a novel incremental...

An object oriented change detection algorithm for multi-temporal remote sensing image is proposed in this study. Bi-temporal remote sensing images are firstly processed by multi-scale segmentation. Then similarity between the target object and its neighboring object is calculated by using a formula of...

On-line signature verification is one of widely acceptable biometrics. Dynamic time warping (DTW) is a nonlinear optimization method, which is widely used in on-line signature verification. DTW provides a computational technique of normalization and alignment to make best matching between two signatures,...

A low complexity carrier phase estimation (CPE) algorithm for 16-QAM systems is investigated in this paper. In the proposed CPE algorithm, the QPSK partitioning scheme is adopted to divide the symbols into three classes (C1, C2 and C3). The symbols in C1 and C3 are used to achieve the coarse estimation...

For the problem of the safe integration between Internet and the smart grid, a server based on C/S mode of fingerprint information and user information registration was used in power system and a fingerprint acquisition system based on C/S mode was designed, realizing the collection of fingerprint image...

The crop growth cabinet control system mainly consists of color touch screen interface operating system and control system. They communicate with each other through the RS485 module. The control system's control core is ATmega128L single chip microcomputer, and operating system interface uses Cortex_M3...

Flooding and landslides are significant destructive natural events to infrastructure and human life. Segmentation of affected disaster areas in satellite and aerial images has an important role in an effective response and mitigation of disasters. This paper suggests a deep learning approach, specifically...

Categorical data clustering has attracted much attentions recently because most practical data contains categorical attributes. The k-modes algorithm, as the extension of the k-means algorithm, is one of the most widely used clustering algorithms for categorical data. In this paper, we firstly analyzed...

It is important to develop the micro-electro-mechanical system (MEMS) fabrication technology based on polymers. Liquid crystal polymer (LCP) is a suitable substrate for fabricating the flexible MEMS array antenna applied to conforming and bending conditions. This paper presents the metallization process...

In the present research work, the multi-enzyme polypeptide carbamoyl synthetase-aspartate transcarbamoylase- dihydroorotase (CAD) was used as a novel biocatalyst to catalyze a multi-step reaction in a unitary reaction medium. Using organic solvent as reaction medium, we have observed formation of the...

The study of pricing method of auto production has very important significance to analyze auto market and make strategic decision. The paper considers the current research status of pricing method of auto production, analysis the factors which influence the price of auto production, and proposes GM(1,N)...

The constitution of china is experiencing from forming a socialist legal system with Chinese characteristics to build socialist constitutional system with Chinese characteristics, the center is changed from legislation to constitutional implementation. China changed its position from a legal state to...

This paper presents a design of parking space intelligentmanagement system based on visual identification which combines visual image processing technology and intelligent management systems.In the system, visual processing technology is used to extract the vehicle information such as parking spaces,...

The emergence of the Internet has changed the way of graphic design, from the practical design based on the entity to the virtual network design, from the plane and static design to the multi-dimensional dynamic design. The change of the over-all environment has improved people's demand for visual performance...

To support the development of smart grid and demand-side management, this paper designs and implements an efficiency management terminal based on demand response, which can be used to assist users to actively participate in the "Grid - Load" Interaction. First, this paper elaborates the hardware composition...

Virtual laboratory is an application of virtual reality technology in the field of experimental teaching. Compared with the traditional on-site experiments, virtual laboratory performs experimental applications without limitation of space and time. In this paper, a web-based virtual laboratory of mechanical...

Recently, various systems of tracking the direction of a person’s gaze have been of great interest. As a rule, these systems have a complex structure, and also use additional sources of illumination. This article discusses eye tracking methods, and proposes a method for tracking and determining the shape...

As a national strategy, Characteristic Town has become an important carrier for promoting new-type urbanization and structural reforms on the supply side. However, the shortage of funds severely restricts the development of Characteristic Town. This paper discusses the introduction of the PPP financing...

The introduction of 5G network technology has not only provided a significant boost but also a solid foundation for the advancement of the Internet of Things (IoT). In the future, the 5G IoT promises to realize the full potential of IoT in society. The emergence of 5G has revolutionized the landscape...

The impacts from different environmental factors on CO concentration are studied based on FLUENT numerical simulation. Under different wind velocities, environmental temperatures, and super hydrostatic difference, the distribution of CO concentration inside the tunnel is analyzed. The result is that...

With the rapid development of computer network technology and the popularization of Internet, resident's living standard has been increasingly improved. People have higher requirements for residence as well as residential community, and the smart community has just met people's new demands. Besides,...

A single-balanced mixer is designed by using the Agilent ADS software. Bat15-03w diodes(Infineon) are used and the insert loss is less than 1.4dB. The conversion loss is no more than -19.5dB and noise figure is lower than 10dB, when the RF frequency is 2. 4GHz and the LO frequency is 2.3 GHz. The PCB...

This paper broadly outlines the task of evaluating the risks associated with planning when tackling the issues of choice and planning in productive-and-economic systems to implement the projects resulting from the application of criteria-based approaches, as well as the task of evaluating production...

Music class is a required course in junior high school education. Read music is an essential tool for students to learn music. The effect of read music teaching will directly affect the students' music quality. This article through the questionnaire survey of Baoding city middle school students understand...

Nowadays, the map-search technology is frequently used by people. However, present map-search service can hardlysatisfy people’s growing demands. Providing multiplex service support in search service, such as intuitive search results and multi-keywords search, has become a research focus. This paperproposes...

With the technical advances of wireless sensor networking and smart mobile device, the demand for position information of pedestrians (especially in the indoor environment) has increased remarkably. In this paper, we proposed an indoor localization approach based on received signal strength (RSS) and...

In order to study the characteristics of double spectrum radio signals, based on higher order statistics and the double spectrum definition and properties, using two kinds of direct and indirect spectrum feature extraction algorithm, and two kinds of radio signal spectrum estimation is simulated. Therefore,...

Through the research of the demand for secure communication between traffic recorder and data management platform, a three layer automobile remote diagnostics communication model which contains data aware, network access and application service is proposed, through special access gateway to add device...

Translation is a cultural activity, which is influenced by many social and cultural factors. Here we want to study the translator's dual cultural identity, the specific status and status of national literature, and the choice of translation strategies. Language is the carrier of culture, culture is the...

Most of audio players on the market use the hardware filter oAbstract. A multifunctional portable temperature control box based on semiconductor refrigeration technology is designed in order to meet the low and constant temperature requirements of space, military, medical, biological products and so...

Throughout the history of human development, every technological change has a great impact on our production and life. The Internet occupies the core position in the new technological innovation, and its development will inevitably have a huge impact on our life. The "Internet plus" is a new form of...

In Direct sequence spread spectrum (DSSS) communication system, the auto-correlation of Pseudo-Noise Code is weak while the auto-correlation of Narrow-Band Interference (NBI) is strong, so that the NBI is more predictable than the DSSS signal. The principle of time-domain anti-interference is the auto-correlation...

Dynamic matching between inspect resources and business processes in digital inspect and MBD (Model Based Definition) environments is a challenging problem. This paper present an approach of building a digital inspection management model based on process-resource dynamic configuration system. Furthermore,...

Mapping huge jobs onto cloud resources is a part of workflow scheduling, which increases scheduling effectiveness. Numerous researchers have been working hard to enhance the efficiency of scheduling in cloud computing as a result of this piqued interest. Scientific workflows, on the other hand, are huge...

The freshwater available for direct human use is extremely scarce compared to the total amount of water on Earth. Most of this freshwater is located in freshwater lakes. As human civilization progresses, the ecological destruction of freshwater lakes has become increasingly common. Drones have become...

Innovation is the inexhaustible driving force for social development and the soul of national prosperity. Design is a creative activity with human wisdom. Innovative design helps people stand in the present and face the future, and identify the development opportunities of design. Futurology explores...

Most of the small hydropower has no power regulation capacity, which affects the operation of the power grid. By analyzing the average daily output characteristics of a single small hydropower station, it found its power curve quite different. The small hydropower in the similar geographical environment...

The college computer basic course is compulsory course for students of all majors. With the rapid development of information technology, in order to adapt to the demand for talents from the perspectives of social, economic and technological development, it is quite significant to further enhance the...

Based on the principle of conservation of energy, a dynamic heat transfer model is developed. a two-dimensional fuzzy controller is designed to control chilled water flow and chilled water inlet temperature after analyzing the model, so as to achieve the purpose of adjusting the supply air temperature....

Aims at the problem that the current polar projections are not completely suitable for polar nautical chart plotting and using, and combines with the existing chart plotting and using methods, the paper proposes the idea of choosing Equidistance Cylindrical Projection as the projection of Polar Chart,...

The motion control system of micro EDM CNC milling machine tool which base on the motion control card was designed in this paper. In order to guarantee the processing precision, the discharge gap can be adjust by the analysis and processing of the average gap voltage get through the discharge detection...

This paper proposes a method for retrieving CAD models of mechanical parts by free hand sketches. Two shape signatures is proposed to describe the geometry and the topology of a CAD model respectively. A relevance feedback mechanism is introduced to combine the two dissimilarity distances measured by...

Personalized recommendation technology is the core and key technology in the electronic commerce recommendation system. Data mining technology can help decision makers to find out the potential relationship between the data and find out the potential relationship among the data. This paper firstly analyzes...

Magnetic Resonance Imaging (MRI) technology has developed rapidly in recent years, and has been widely used in various fields, such as medicine, physics, chemistry and biology. The principles of MRI involve electromagnetism, nuclear physics, quantum mechanics and many other disciplines. In addition,...

Bit extraction method from chaos sequence was proposed in the paper to realize image communication secretly. The cipher comes from nonlinear chaos iteration by seeds and processing of bits transformation matrix. First, the principle of image encryption keys was described, the cipher sequence features...

The proposed method deals with the joint use of the textural features and the image edge by the remote-sensing images.A definition of an adaptive segmentation algorithm is considered.Based on LBP features detecting,the textural information associated with each cell images is extracted as the set of connected...

Convolutional neural network is a kind of deep learning model, but it only act on a single image generally. This paper expands the convolutional neural network, studies common spatio-temporal features detection and extraction algorithm, proposes a model for detecting and extracting spatio-temporal features...

High altitude platform station (HAPS) is a new means of wireless communication method, which operate in stratosphere whose altitude is about 20km. In order to improve the channel quality of wireless communication transmission and signal-to-noise ratio.The wirless communication network of HAPS are studied...

This study aims to explore the influence between addiction and Lying flat in the context of digital media, and provide theoretical and practical enlightenment for the construction of digital society and enterprise management. In this study, 521 people were tested by questionnaire, and the collected data...

Aiming at the performance degradation of steganalysis model caused by unbalanced sample data set training, a model design method based on improved SMOTE algorithm and Focal loss algorithm is proposed. The improved SMOTE algorithm is used to synthesize new samples to balance the data set. At the same...

Base on the sample of A-share listed companies of Shenzhen in China from 2007 to 2012, this article uses the random effect model to examine the impacts of managerial compensation on overconfidence and found that: managerial compensation has a positive effect on their overconfidence. Compared with non-state-owned...

The report considers an algorithm for solving the problem of advance evacuation of the population, which is formulated as finding the shortest path in a linear network model representing the routes of movement along the existing transport network of roads with a cycle. The starting point is the prefabricated...

In order to improve the reliability of redundant CAN bus communication network, in this paper, a dual CAN bus redundancy communication system based on DSP is designed. In the hardware, a dual CAN redundant interface circuit based on TMS320F2808 chip is designed; in the software, a dual CAN bus communication...

In this article, we refer to literature and review the function of network information resources and conclude the current evaluation of network information resources. Based on these works, we developed a three-layer network information resources with 25 evaluation indicators of 4 parts and did detailed...

at present, most of the digital circuit transient fault repair methods need to be completed by manual processing, the repair efficiency is low and the energy consumption is high. For this, put forward a new kind of digital circuit fault transient low energy self repair method, design a repair system,...

Breast cancer is a deadly illness affecting women worldwide which makes early and precise identification is crucial. To increase diagnostic accuracy, this work presents a dual strategy that integrates deep learning (DL) and machine learning (ML) algorithms. Random Forest model is used to examine tabular...

This study investigates Q-learning-based autonomous navigation technologies for robots operating in dynamic environments. The research integrates reinforcement learning with perception systems to improve obstacle detection and path planning capabilities. Hybrid frameworks combine Q-learning with global...

The importance of data in the era of big data has given birth to new forms of digital trade, and cross-border data flow is also an important issue in economic digital trade agreements. Based on the digital product export data from 2011 to 2021, this paper empirically tests the impact of the digital trade...

The energy-saving optimization of three-phase asynchronous motor is studied in this paper through the analyses of its working principle and structure. Via a three-phase AC regulator of neutral line-free star connection, six thyristors VT1 and VT2, VT3 and VT4, and VT5 and VT6 of the regulating model...

In this paper, we use the variable fiber reinforced reaction injection molding process to produce different kinds of fiber reinforced polyurethane composite materials. We analyze the effects of different types of fibers on the mechanical properties of the composites, while the tensile strength and bending...

E-Learning has become an important form of current education. At the same time, the development of semantic web technology provides a new way to solve the problem of information resource management, semantic-based network educational resource became an important research field in computer education technology...

The existing highlight detection and removal methods usually depend on color or some geometrical information. These methods cannot be used when highlight region degrades texture details of object surface. In this paper, we propose a novel, simple and effective method to solve this problem. In our method,...

First, we analyze the low carbon city’s evaluation index systems in the relative researches, and utilize the analytical hierarchy process to study the factors of low carbon city development. The evaluation index system’s first grade indicator is composed of five indicators. They are energy saving, emission...

The model, criteria and the trajectory of the equilibrium balanced functioning of dynamic biological systems re described in the paper. The concepts of system kinetic and potential energy for the description of the metabolic processes in biological systems are included. Metabolic processes in the biosystem...

In order of saving energy and improving the performance of the airborne systems, modern aircraft increasingly uses electrical energy to replace the current hydraulic, pneumatic energy on the plane. The goal of more electric aircraft is that electric drive equipments replace mechanical, hydraulic and...

On-line signature verification is one of widely acceptable biometrics. Since it can reveal more intrinsic characteristics inherent in writer, spectral information that contains in features can be used to on-line signature verification. In order to extract more effective spectral information, features...

Personnel data information is an important part of personnel management digital process, personnel data as the underlying data source, provide the basic data for the other subsystems. With combination of ASP.NET and Microsoft SQL Server 2005, personnel management system was developed, which can improve...

In the indoor construction site scene, binocular cameras rely on natural light in the environment for collecting images. However, with the influence of environmental factors such as changes in illumination angle and changes in illumination intensity, the effect of the binocular vision algorithm is drastically...

Thanks to stator flux based observer running at middle and high speed and various high frequency injection (HFI) methods operating in zero and low speed region, position sensorless field oriented vector control system of permanent-magnet synchronous machine (PMSM) has attracted much attention. Nowadays,...

With the rapid development of the modern Internet, e-commerce has been greatly promoted. The advantages of e-commerce gradually appear, as a result, virtual enterprise, virtual bank, Internet marketing, online shopping, online payment, online advertising business and a large number of new business which...

Starting from the theory of “perception cognition behavior” in psychology, this paper explores the form of multi sensory interaction in the cultural tourism field, and studies the internal mechanism of the modern cultural tourism field. This paper puts forward the practical path of constructing participatory...

In recent years, the problem of urban pollution is becoming more and more serious. A large number of toxic substances are discharged, which destroy the living environment of residents and threaten people's health. Therefore, local governments are paying more and more attention to environmental problems,...

Artificial intelligence is an emerging science, which studies and develops theoretical methods and techniques for simulating and expanding human intelligence. Today, artificial intelligence has made significant achievements in pattern recognition, knowledge engineering, robotics, etc. But it is far from...

Urbanization is an irresistible trend in the IT times and an important process in the integral development of urban and rural information society. But information revolution also creates digital gap between urban and rural areas, an increasingly obstacle to China’s urbanization. A damping measurement...

In this paper the problems is analyzed, that the phenomenon of burning crops straw, although it is prohibited times without number, and which causing serious air pollution are a great deal of occurrences in recent years in rural area. It points out that one of the main reasons is lacking efficient machine...

This paper is aimed to investigate the possibility of using a new method of dose and image quality optimization by employing visual grading analysis with a slight modification. Cone beam CT was utilized with different exposure settings to acquisition several images to skull phantom. Three different observers...

The paper takes an online course Introduction to Internet and web technology as an example, adopting the method of combining questionnaire survey of the network course platform with interviews and statistical analysis of SPSS software, to explore the university students' satisfaction with an online course....

In recent years, the era of researching and applying the big data has already arrived with the continuing increase of data size in Internet applications. The scale effect of big data has a great impact on the traditional technology of data processing. It reforms the existing management model and challenges...

This paper puts forward a kind of communication system as a solution to monitor work condition of many process-control equipments, which can communicate in serial but have no their addresses, in comfortable office far from the equipments. As for the scheme, Modbus communication protocol and RS485, which...

The pure electric family car as an example, we use the partial least square regression to get the mapping relationships between design parameters and acquisition costs, operation cost, recycling scrap cost during the phase of design. The calculation results show that remaining mileage and battery capacity...

Recent advances in technology have increased the availability of video information data, creating a strong requirement for high efficient systems to manage and process those larger materials. How to making efficient use of video information requires that data to be accessed in an intelligent and user-friendly...

The remanufacturing cost of estimation, the accuracy of the estimates and the time it takes to produce cost estimates are important factors to remanufacturing organizations. This paper constructed and trained a back-propagation (BP) neural network to forecast the remanufacturing cost of engineering machinery...

Due to the different national conditions, the driving forces and factors of national terrorist attacks vary. Therefore, this paper takes GTD China sample data as the research object to study and predict. The prediction process is as follows: On the basis of the BP network-based model for predicting the...

In the overall design of ship intelligent collision avoidance decision-making and control system and some local decision-making models, there has not been a relatively unified consensus, and there is still a certain gap from the actual application. In this paper, the mathematical model of the ship intelligent...

The paper analyzes the market profile, the scale and trend of modern mobile reading and points out that in the field of mobile reading which based on the smart phone APP has a quite important significance in the era of ‘Internet +’.And through the deep analysis of the content driven mobile reading APP,...

In the construction of "three systems", the construction of archives information resources is the foundation, the usage and construction of archives is the purpose and archive security construction is a guarantee. The proposition of elaboration and implementation of "three systems" construction is of...

Since Gaussian process regression (GPR) cannot feasibly be applied to big and growing data sets, this paper introduces an integration algorithm called Two-step Gaussian Process Regression (TGPR) which speeds up both training and prediction to solve the problem. First, analyze the basics behind regular...

A supply network has been studied which consists of a supplier and a manufacturer. Considering inventory costs and shortage cost because of supply shortage, profit maximum model was established based on the uncertain market demand and variable manufacturing costs. The feasibility of the model has been...

In order to study the relationship between international capital flows and industrial upgrading in China, the Generalized Method of Moments (GMM) was applyed in this paper on the basis of the existing literature research. The conclusion is that the international capital flows promote the industrial upgrading...

As the title implies the article describes information supply for both students and teachers, who is learning and teaching discipline "ontology of production sphere". The goal of this discipline is to implement ontologies creating technologies to teach students find the best solutions within aircraft...

Based on the extensive application of small hole, how to guarantee the machining efficiency and machining quality of the hole at the same time is the key problem we need to solve. We analyze several factors affecting the machining quality of the hole and find their influence law on the machining accuracy...

This paper presents a novel evaluation model for remote sensing fused images. Meanwhile, take IHS-RPCA and NSCT-SF-PCNN as an example, the simulation experiments are analyzed and measured by the proposed comprehensive evaluation metric model. In addition, we brief introduce the choice for the weight...

Data mining clustering is a broad research field. It is used to partition the data set of clusters. Different clustering methods use different similarity definition and technology. Several popular clustering algorithms are analyzed from three different perspectives: the clustering criterion, clustering...

Virtual surgery is a process which uses virtual reality technology to realize surgery simulation, it can provide doctors with real-life experience of visual, auditory, tactile and so on, and it also plays an important role in surgical training and planning. During the interactive process, we used Leap...

This paper studies the latest energy-saving technologies in domestic and international data center and focused on the important measurement of energy-saving , PUE, and finally analyzed the situation of energy saving in a real data center and proposed reform program based on engineering practice.

Juvenile law education is a systematic project related to the long-term stability of the country, in addition to the education of legal knowledge of young people, it should start from three paths: the schools education, family education, and social education. Then we can explore an education road consists...

The vibration problem of the vehicle in the running process due to excitation by various external loads and the transmission part of the resulting, in this paper, based on the theory of modal analysis, the natural frequencies and natural modes of a hybrid electric city bus frame are solved. The result...

Sincerity also is the integrity. The so-called integrity is the conduct of the country, it is self-cultivation of the Road. The core values of socialism pointed out at the individual level that "patriotism, professionalism, integrity and friendliness" have established the benchmarks of ideological and...

The quantification of nitrogen and phosphorus nutrient loads is the primary task for the control of non-point pollution. In this study, the data between 2006 and 2011 were collected and analyzed in Haikou City. The results showed that the major agricultural non-point source structure was composed of...

With the development of the times, people's demand for electricity is increasing day by day, when the requirements become more stringent. Multi-Terminal Direct Current (MTDC) can achieve the function of Power transmission among multi power sources or multi receiving ends. And compared to conventional...