Advances in Computer Science Research

This article conducts research on the daily closing prices and yields of the Shanghai Composite Index and the Shenzhen Composite Index from January 2, 2014 to January 2, 2020. Based on the random walk assumption, the unit root test, the run test and the autocorrelation test were used to examine the efficiency...

Recent years have seen major developments in satellite communications, with the goal of increasing overall performance, decreasing latency, and increasing data transfer efficiency. extended-range (LoRa) technology, which is well-known for its low power consumption, extended range, and applicability to...

The operation monitoring and alarm disposition of Information networks and Communication networks rely on two systems. Different networks will cause different fault alarms when a fault occurs. However, the networks could only recognize its own fault and alarm respectively. They can't feed the alarm information...

A new multifunction filter configuration using two CFAs and six impedances is presented in this paper. The proposed circuit can realize the different function using the different impedances. The natural frequency 0 and quality factor Q can be orthogonal controlled, and the quality factor Q can also be...

Economic structure adjustment with the core of industrial structure adjustment is the core of realizing the transformation of China's economic development mode. Market and government are the effective means to realize industrial structure adjustment. Due to the existence of market failure, the government's...

Credit system is a reflection and evaluation system of comprehensive trust between organizations and individuals. E-commerce as a virtual economy, non contact economy, if there is no perfect credit system as a guarantee, its survival and development will be very difficult. This paper focuses on the analysis...

According to interaction between mathematics modeling and computer, example the shortest path problem signed directed graph by principle of dynamic planning & introduction of the dynamic programming.

In this paper, we focus on investigating effective approach for tackling the complex hybrid indices optimization problems (HIOPs). Firstly, we analyze the strategy that utilizes machine learning models for breaking restrictions on search ability of MOEAs employed in conventional optimization framework...

With the continuous development of the domestic economy, the demand for electricity continues to grow. In order to reduce the power consumption and the power supply pressure, Time-of-Use price (TOU) is more and more attention. And the nature of the commercial enterprise determines the majority of the...

Currently, Internet and big data as the representative of emerging technologies are widely penetrated into every aspect of the high-end equipment manufacturing industry. Considering the characteristics of multi-source, personalized and potential for high-end equipment, this paper focuses on requirement...

One of the fundamental issues in WSN is the design of energy efficient approaches that achieve full area coverage and maintain the connectivity of the whole network. Coverage reflects how well a sensor field is monitored. In order to monitor the area of interest in the most efficient way, finding the...

Inspired by the human vision system, neuromorphic vision systems simulating the mechanism of signal processing in retina are extensively investigated. This paper describes a silicon neuronal network with bio-inspired structure detects the edge information in image. The digital spiking silicon neuron...

Based on the basic truck steel wheel structure design, revised designs such as vent-hole-changed and profile-modified were proposed to solve the common fatigue failure problems .Both basic and modified design were modeled using Abaqus 3D software to calculate the stress and strain contours in the case...

Starting a diesel engine must have two conditions: one is the oil is enough, good atomizing diesel can arrive the combustion chamber. The second is to make the air temperature of the combustion chamber can improve to make the diesel oil fire. Its working process contains four steps of air suction,compression,acting...

Objective: Typical clothing ensemble for the textile worker in the cotton textile workshop was investigated, which can be used to assess the real thermal condition in the cotton textile workshop. Methods: A yearlong survey of typical fabrics and clothing ensembles in four different cotton textile workshops...

Figure module integration technology is the graphics and graphical corresponding data in the database as a whole to face it. The graph model library integrated modeling method was researched in this paper. And by constructing communication network of vertical multi-dimensional comprehensive monitoring...

Research object was middle-aged plantation of Cunninghamia Lanceolata in Huangfengqiao national forest farm, You county, Hunan Province. Ratio of crown inclination(RCI) was set up as a index to signify crown inclination in research. Ratio of crown inclination in east, west, south and north were calculated...

In recent years, Chinese college students have generally faced social problems such as fierce competition for employment and rising youth unemployment. Sentiment analysis of college students’ employment attitudes helps them recognize the situation, accurately position themselves, and rationally arrange...

Sentiment classification plays a crucial role in understanding and analyzing text data, particularly in domains like social media and online reviews. In this study, the influence of three key parameters on the accuracy of sentiment classification was investigated by applying Naive Bayes classifier to...

Based on the research status of the rural land contract management rights transfer in Longdong area, further analysis of the related factors, restricting the circulation of rural land contracted management right: 1, to promote the transference of rural land contractual management right, to realize the...

Aiming at the day-ahead optimal problem of microgrid, according to the accurate wind and light output data within 24 hours, this paper establishes the optimization model. In the case of adding storage battery regulation, the regulation and distribution model of the storage battery in one day is established,...

We propose an unslotted CSMA with grouped sensing and analyze the throughput of SUs in multi-channel cognitive radio network. We model the system by 3-demensional continuous time Markov process, calculate the steady state probability of the system, and obtain throughput and transmission delay of SUs....

With rapid development of wireless mesh networks, it becomes more and more important to guarantee the reliable transmission of video data in such networks. Video data requires real-time service, which presents a great challenge to provide QoS guarantee in wireless networks where the bandwidth is insufficient....

Medical image technology, which is a new cross subject in recent years, has been studied in the research of medical image processing and image processing and analysis technology. It not only can greatly improve the clinical medical level, but also provides the digital realization method for medical research...

Recently,the multimoal and high dimensional sensor data are prone to problems such as artificial error and time- consuming acquisition processes, especially in supervised human activity recognition. Therefore,this study proposes an activity recognition framework called compositional Bidir-LSTM-CNN Networks,which...

In order to improve the safety of the ship in the storm, this paper analyzes the impact of the storm weather on the ship's safety, and puts forward the response measures for the ship to sail in the gale wave, in order to help the ship in the storm safe navigation.

This paper applies the Runge-Kutta and Lax-Wendroff to handle the interior ballistic model, which is based on the quasi two-phrase flow of the interior ballistic model as well as the theory of variable velocity shooting and constant kinetic energy striking of non-lethal destruction. Under the circumstance...

The contagion models of disease-spread which predict the epidemics grow with time goes by have been widely researched in social networks. The discrete-time simulation method, Monte Carlo Simulation where time is discretized into uniform steps and transition rates between states are replaced by transition...

The animation scene design is an important link in the early and late stage of animation, which directly influences the quality and style of animation. Animation scene late in the majority with special effects, the early stage of the design is more important, animation scene creation techniques have...

Forecasting air traffic demands is important when planning for the future density and capacity of a Flight Information Region (FIR). There are many factors that affect air traffic demand such as Gross Domestic Product (GDP), air fare, service level, travel time etc. Our previous study analyzed the relationship...

This paper presents a comprehensive comparative analysis of three machine learning models—Linear Regression, Random Forest, and K-Nearest Neighbors (KNN)—for predicting Tesla stock prices using historical data from 2020 to 2024. The study evaluates model performance based on the Mean Squared Error (MSE),...

In the course of moving object detection, the shadow of objects may arise many problems, such as the distortion of the object shape, the adhesion between different objects and so on. To cope with these problems, a fast shadow removal method based on video image is proposed. By the computing model based...

As an important component of China's strategic emerging industries, e-commerce has sprung up in the new economic norm. In this paper, on the basis of in-depth research, systematically analyzes the existing problems in the development of electronic commerce in Gansu, and puts forward some countermeasures...

In energy-limited wireless sensor networks, multi-subspace skyline query is widely used for all kinds of applications. In this paper, we propose achange-aware skyline query model based on Compressed Skycube (CSC) andExtended Skyline (ES), which reduces the traffic to save the energy of sensor in wireless...

This paper is designed for the filtering algorithms of taxi GPS data, as well as vehicle trajectory statistics and prediction algorithm which based on the theory of spatial-temporal data mining algorithm. On the basis of these algorithms, we developed intelligent taxi forecasting system based on mobile...

In this paper, a novel visual tracking algorithm named as Informative random fern - Tracking Learning Detection (IRF-TLD) has been proposed. Instead of a binary comparison in the standard random fern of TLD, we use the real value feature and Gaussian random projection to acquire the advantages of high...

Pipes with supported ends conveying pulsating fluid may lose the dynamic stability due to parametric instability, therefore the piezoelectric actuators are taken as the control actuators here for controlling vibration of pipeline. First, the controlled mathematical models of pipes conveying fluid were...

Global warming is one of the most important problems around the word which every country has to confront. Carbon tax is one of the common economic means used to solve environmental problems in recent years. Against this background, low carbon economy treat realizing low energy, low emission, low pollution...

Heart disease continues to be among the leading causes of disease and mortality globally, and thus early diagnosis and risk stratification are critical. Conventional diagnostic methods tend to rely on clinical assessment and invasive procedures, which can lead to delays in prompt medical intervention....

First of all, Guangdong, Hong Kong, Macao and the Greater Bay Area streaming media business as a variety of national policies under the strong support to complete the initial development, and harvest the “streaming media night city” reputation, but the surface of the traffic growth does not represent...

At present aiming at the problem of heterogeneous database within the application system in universities, put forward a set of star data integration scheme based on Web Services. In the scheme, without changing the original application system structure and the database in universities, on the basis of...

P2P network loan has been widely concerned by people since it came into the market. This paper establishes an assessment analysis model to evaluate the risk level of P2P network loan. Seven important indexes are selected to constitute the evaluation index system by using the method of Information Gain....

System design is mainly used to detect the oxygen concentration in the incubator, display and control the test data, set oxygen concentration of the box. Through the management software to realize the historical data display and detection. The instrument measuring circuit is universal and can be realized...

As the OTN (Optical Transport Network) and SDH (Synchronous Digital Hierarchy) network lack the uniform monitoring system to monitor the ever-growing business, this article has presented that use existing TMS to monitor provincial levels transmission network's double plane. While inspected and commanded...

Numerical method for reliability sensitivity design is presented based on fourth moment technique, and the reliability sensitivity of the capstan in track-laying vehicle with non-normal random parameters is extensively discussed. The variation regularities of reliability sensitivity are obtained and...

This paper established two types of models of distributed power supply in PSCAD/EMTDC and connected these two power supplies in the power distribution networks with 18 nodes to simulate respectively under specified voltage control and specified power factor strategies. Then, the simulated data was loaded...

In order to realize the automatic operation of slicing areca in the areca industry, on the basis of existing areca slicer, and innovative areca slicing test prototype was designed, this test prototype can adjust the effective working parameters of areca slicing force to realize uniform slicing. In this...

Abnormal event detection based on trajectory has been extensively investigated in recent years; however, problems remain when processing an incomplete trajectory that usually has abnormality in some parts of the whole trajectory and the rest are normal. In this paper, we propose a locality-constrained...

Diffusion-weighted magnetic resonance (DWI-MR) technique is a promising imaging method for lung cancer diagnosis. The purpose of this study is to investigate whether DWI-MR can differentiate lung cancer from infectious nodule accurately. Approved by institutional review board, this study included DWI-MR...

In the era of information technology, the standardization and digitization of medical imaging has become an inevitable trend. Medical imaging information system has become an important tool for the analysis and processing of medical image information and the basic elements of the construction of digital...

Essential inorganic chemistry is an important basic course of freshmen in medical school. Students have difficult in learning it and teachers also teach it with difficulty; therefore it is a curriculum with major characteristics. In order to cope with this problem, the author introduces a variety of...

Electronic communication technology determines people's living heights and affects people's living habits and working methods. With the development of electronic communication technology, people are enjoying the convenience it brings, such as communication anywhere and anytime, and 360-degree video calls,...

In the process of preparing for the skills competition, the students encountered the problem that the entries could not be tested for safety. In order to solve the students’ problems and speed up the design and production progress of the entries, the research team adopted the method of finite element...

Existing research on deception detection focuses on behavioral and psychological approaches; however, these methods have limitations in accuracy and are labor-intensive, making them unsuitable for practical applications. Our framework combines video, audio, and physiological signals to facilitate a more...

For thousands of years, all the Chinese women dresses were made through the straight cutting in tailoring. The bosom, the shoulder, the waist and the buttocks of the clothes were all straight. The women’s line of beauty didn’t show completely at all. As far as the cheongsam, the characters were also...

As the essence of traditional craftsmanship, Yinshang Bronze Ware Patterns contain profound historical, cultural and aesthetic values. Based on the design gene theory, we systematically analyze its elements, composition and symbolic meanings, refine the design genes and construct a database. We will...

Launch Vehicle software is the important factor in the Launch Vehicle system. Thus, a well-designed Launch Vehicle software is an important factor for Space system quality while the reliability of Launch Vehicle software is a relatively difficult research field. Existing software reliability assessment...

This paper is going to organically combine 3D printing technology and correlated curriculums of numerical control major's training plan to explore the talents training mode of 3D digital design and manufacturing based on the combination of 3D and numerical control technology in the premise of focusing...

To solve the benefit-driven task scheduling problem in clouding computing, a benefit-driven task scheduling algorithm based on genetic algorithm is proposed. Under the precondition of meeting the QoS constraints, the proposed algorithm takes computation overhead, service profit and delay compensation...

With the depth integration of informatization and industrialization and the rapid development of the Internet, the industrial control systems (ICS) communication protocols’ risks have become increasingly prominent. This paper firstly analyzes the security issues of the current mainstream industrial control...

This paper discusses the significance and research status of steel corrosion detection. This paper briefly analyzes several important detection methods and their application characteristics. The advantages and disadvantages of the present research methods are discussed. It puts forward the necessity...

With the rapid deterioration of the world's water resources problem, we need a set of assessment and improvement plan for the current situation. Firstly, with the authoritative historical data, we establish the evaluation model for water-supply ability to measure the ability of a region to provide clean...

In the destructive regular storage life test of products, there is "inverse" data sometimes, resulting in inaccurate estimates of its reliability index. Based on the theory of isotonic regression and minimum chi-square estimation, we proposed a new method for processing "inverse" data. First, alter the...

In colleges and universities, the data on student’s performance are numerous. However, these data are often not well utilized and only served as a query. In order to make better use of these data, this paper will improve the traditional association rules and dig into the course performance information....

Looking at the history of the development of supply chain finance, we can find that the information plays a more and more important role of the operation of supply chain finance, the function of its value creation more and more prominent, and the combination of supply chain finance and real industry...

In recent years the highway develops rapidly in China, by the end of 2014, the total mileage of China's highway has reached 4.3 million kilometers. Among those, the total mileages of the speedway broke through the bottleneck of 110 thousand kilometers - which ranks the first in the world. With the fast...

ESG (Environment, social and governance) nowadays becomes an important indicator for investors to consider those investing decisions. This passage will use a linear regression model to show whether ESG factor will influence companies’ profitability positively. The author sampled 100 companies from Nasdaq...

Advancements in conversational Artificial Intelligence (AI) models, exemplified by ChatGPT, New Bing, and Claude, have substantially improved real-time interaction and virtual assistant capabilities of chatbot systems. The growing recognition of the significance of conversational AI has led to an increased...

With the continuous expansion of enterprises, the replicability and standardization of management has become the primary problem of enterprises. As the baking industry in the new era, both the early manual management and the preliminary information management are faced with many puzzles. Therefore, all...

Compressed sensing (CS) theory provides a new chance to reduce the data rate of high resolution radar imaging system. A novel SAR imaging method based on compressed sensing for wideband linear frequency modulated (LFM) signal is proposed in this paper. The radar data compression is conducted in range...

In order to enhance the development of science and technology service industry in Shandong Province, the paper established a statistical index system of science and technology service industry based on the relevant literature and the actual data analysis. And then the paper used multiple linear regression...

In this paper, we study the reconstruction imaging of CT system.Using FBP algorithm to filter the receive information of medium and back the projection.Then we get a 362 x 362 absorption rate matrix.Form the surface absorption by the absorption rate of the spline interpolation.Finally,we use Matlab to...

Acquisition, tracking and pointing(ATP)system is the core of high speed and large capacity of laser communication in atmosphere, spot jitter generated by the disturbances among long distance laser communication has seriously affected the precise alignment between laser communication terminals, and greatly...

The roots compressor is applied widely in chemical industry as well as aerospace industry. In the article, a new combination roots compressor rotor profile curve was designed, internal flow field in three blade straight and twisted roots compressor are simulated. The results show that twisted blade roots...

Support vector machine is an emerging technique in data mining. By analyzing principle and classification algorithm of support vector machine, a prediction model based on support vector machines was given, and the effectiveness of support vector machines in classification prediction was demonstrated...

The wireless sensor networks (WSN) with the distributed network protocol, the node with the abilities of sensor, Wireless Communication and data processing. It can monitor, aware and acquire the information of environment or monitoring object in real time. The coal mine can overcome the difficulties...

In the evolving cybersecurity landscape, security breaches have become a significant concern, leading to unauthorized disclosure of personal information. Hackers engage in illicit activities, fostering the trade of sensitive data on darkweb platforms like AlphaBay Market, Hansa, and Dream Market. To...

Nowadays, the increasing instability of the global economy (such as economic crises happen frequently, data explosion, etc.) has generated the demand for stock market dynamics prediction. Among them, the stock market has the characteristics of nonlinear, violent fluctuations, and easy to be affected...

In recent years, pedestrians using smartphones while walking for entertainment has become more and more popular. To avoid stumble, fall down, or even collide with other pedestrians, we propose Walk Well, a safe walking detection system that uses smartphones to provide pedestrians with more safety on...

This paper focuses on how to design the robust beamforming vectors of multiple peer-to-peer relay networks. In the context of imperfect channel state information at the relays, our goal is to minimize the transmit power at relay nodes subject to the quality of service at each receiver. A method based...

In this paper, Fuzzy Cognitive Map (FCM) is employed and discussed to analyze time series that represents fault dynamics. At first, the essential of FCM prototype is shown, and diversified data set that are produced from the prototype to construct candidate FCM model is proposed. The Particle Swarm Optimization...

To improve the document classification problem, this study proposes a classification algorithm based on mathematical regression model, making Chinese document classification get rid of the dependence on traditional dictionary method. The method of extracting high frequency keywords, establishes the appropriate...

ADRC (ADRC) has excellent control performance. The paper Introduces structure and discrete algorithms of the ADRC,and describes its parameter tuning rule. The ADRC control technology is applied to attitude control system design of short-range loitering missile, from the perspective of engineering applications,...

With the development of information technology, the library has changed greatly, and the target of the intensive literature information resources has been seriously challenged. The existing mode of information resources has gradually changed from the analog to digital state. The digital library began...

As the large cross-border infrastructure connecting the Mainland, Hong Kong, Macao and Taiwan, the Hong Kong-Zhuhai-Macao Bridge (HZMB) displays some distinctive features and unique requirements for the different systems and management mode. Based on the analysis of the cross-border traffic control organization...

The development of network technology has also driven the application of computer network technology in the personnel identification and management system of enterprises and public institutions. In enterprises and public institutions, there is more and more work on the amount of personnel information...

In this paper, an improved matrix perturbation method for modified structures is presented. First we construct an iterative format on the basis of the matrix perturbation theory. By introducing a pair of initial eigensolution, we can obtain the natural vibration mode of the modified structure, and then...

Supply chain management and typical small scale independent retailer’s poor infrastructure, poor management approach, makes Supply chain management at state-of-the-art levels is challenging in the present situation. There are mainly unorganized retailers dominating the Indian retail market. Retailers...

In recent years, a steady increase in the number of new energy power generation projects, the new energy power design enterprises to carry out a number of design projects at the same time has become the norm. The new energy power generation technology is the use of renewable resources, through natural...

Character match is more and more applied in computer application field. BM algorithm belongs to an algorithm based on bad sign and good suffix rules. It has high match efficiency, which is widely applied. In the paper, some application fields of BM algorithm are firstly analyzed and discussed. Several...

Lane detection plays an important role in driverless system. However, the complexity of the actual road environment makes lane detection more challenging. In recent years, the rapid development of deep learning has pointed out the direction to solve this problem. Deep learning does not care about the...

This paper describes the working principle of the STM32 drive OLED screen, design of the hardware circuit, program the software. English characters and numbers can be displayed on the OLED display. Graphics can display by font generation software at the same time. The design is especially suitable for...

For HOG features’ characteristics of high accuracy and large amount of calculation, selected MultiHOG features instead of traditional HOG by means of adjusting the structure of HOG features and using Fisher selection criteria. For the further detection effect, coalesced LBP feature which good at texture...

The ecological security of Iodic agent was firstly studied in the domestic. To investigate environmental toxicology of the new developed of Cydiodine Powder(CDP), we research toxicity of CDP to zebrafish and earthworm, and the skin and eye irritation studies to rabbit. The static method, with reference...

The train mixed operation on the electrified railway road network of general speed, resulting in frequent action of overload protection of substation traction transformer. This paper designed the engineering framework under the traction transformer power loss of economic operation, by means of the configuration...

Image stitching is a popular research area in the fields of computer vision and computer graphics. The feature points of images provide crucial information for this process. The accurate extraction of these features is essential to minimize misalignment and defects in the final stitched image. This paper...

In cloud computing environment, the resources of network is unknown and the topology is not fixed, so the structure and distribution of resources in whole cloud environment and the actual situation is unpredictable. In this case, the position of computing resources and quality amount is unknown to the...

In the past few years, the awareness of environment protection all over the world and the release of strict guideline and regulations concerning automotive end-of-life requirement forced the automakers to seek eco-friendly materials to make car "greener". In this work, three composites are fabricated....

The computer is one of the most important inventions in human history. Learning the use of computers is becoming increasingly important. The development of demand requires that university computer basic course be used as a basic course for learning. The teaching of university computer courses should...

This paper presents a novel approach based on probability data association (PDA) filtering for estimating a vehicle’s trajectory in complex urban environments. We consider feature pairs acquired from consecutive frames as the measurements for the PDA filter to update the ego-motion vector of the camera....