Pedestrian is the main traffic participants in the signalized intersection. And its running behavior, on the one hand, will increase hidden danger because of reducing driver's reaction time; on the other hand, it will decrease the time of exposure to the road and reduce the security risk. The study found...

Aimed at the problem that the compensation method for attitude and heading reference system (AHRS) cannot adapt the changing magnetic field environment, an adaptive compensation method based on strong tracking cubature Kalman filter (STCKF) is putted forward. The system equation of magnetic deviation...

The automatic opening and closing light-operated curtain device designed in this paper applies the photosensitive resistance to collect current light intensity, then transforms the collected analog signal to digital signal by a serial A/D chip TLC549, and finally the converted data is transmitted to...

In this literature article, we conduct research on genetic algorithm and convex optimization theory and the applications on the large scale integrated circuit design. Integrated circuit test system's main function is to test the microprocessor, semiconductor memory circuit and a variety of dedicated...

Aim at multi-label sentiments classification of customer reviews. This paper presents a hierarchical ML-kNN algorithm. Different from the traditional ML-kNN algorithm, this algorithm can capture the connection of labels by introducing auxiliary labels. The experimental results show that our proposed...

According to multi-branch structure of high voltage power network in coal mine, a new method based on singular value decomposition (SVD) was proposed. The characteristics of reflection and refraction of the traveling wave generated by the fault point were studied and the values measured by devices at...

Gas disaster is the serious threat to coal mine safety, the accurate prediction of coal mine methane (CMM) is one effective method avoiding the hazard occurrence. This paper first confirmed the chaotic characteristic of CMM sequence and calculated the delay time and embedding dimension. Combined chaotic...

Panorama mosaic technology is an important research content in image rendering technology, it can express the complete information on the surrounding environment. As the cylindrical panorama with excellent visual effects, and accord with people's habits of observation, therefore be studied by many researchers....

In order to reveal the Lamb wave propagation mechanism, the Lamb wave detection of thin plate structure was investigated numerically. To this end, a finite element model was established and the corresponding boundary conditions, mesh size and time step were set. On this basis, the displacement field...

Airflow field play an important role on the cleaning performance of the air-and-screen cleaning device of the plot harvester, and an unreasonable airflow field can lead to poor cleaning quality. In order to understand the cleaning chamber airflow distribution and improve the cleaning quality of the cleaning...

Aerodynamic characteristics of small-rotor were studied based on the finite volume method. In an attempt to study its performance, hovering flow field of the single-rotor was established, meanwhile, the boundary conditions were set up. In addition, flow field was analyzed numerically by using computational...

The ship directional stability is an important index in studying ship maneuverability, but there has not been good method to detect the direction stability of ship. This paper attempts to obtain the side force and yawing moment of fixed symmetrical ship model by using RANS method at steady speed. The...

Electricity Cost Remote Control in Marketing Business has been playing an important role in the business management of electricity information collection. Through analysis on the information about electricity cost remote control, it can study the cost control data and provide the real-time estimation...

Low Density Parity Check(LDPC) code itself has a good performance and the application of LDPC in the communication field is extensive. LDPC codes have the characteristics of low bit error rate, easy adjustment, low decoding complexity and excellent decoding performance. LDPC is considered to be the "best...

This study proposes an improved Multi-Level Screening Identification algorithm for the automatic extraction and identification of impact craters based on CCD image. Compared with previous algorithm of Multi-Level Screening Identification, we improved the robustness of algorithm based on terrain classification....

This paper aims at ordering the departing flights on multi-runway, to alleviate the severe flight delays in our country nowadays. We respectively use FCFS scheduling algorithm and multilevel feedback queue scheduling algorithm, to get the result by the simulation calculation above. Finally, the paper...

3D bioprinter is an emerging interdisciplinary technology, which offers a new plan not only for the functional materials, ( droplets, drug delivery, organ regeneration, tissue engineering), but also for the new artificial vessel called 3D vessel bioprinter. In this paper, we developed a theoretical proposal...

To meet the requirement of loading/ unloading large-sized spacecraft containers with IL-76 aircraft, a novel cargo-loader was designed in the study. The cargo-loader including shunt mechanism and electric control system not only could moves all-around, but also be adjusted attitudes automatically. The...

To realize unbiased bearing estimates of multiple acoustic sources in a range-independent shallow water, Normal-Mode based MUSIC (NM-MUSIC) method using acoustic vector sensor (AVS) array is proposed in this paper. Comparing to NM-MUSIC method based on scalar array, the method based on AVS array solves...

The ordinary sensors require manual control and do not have the indoor air humidifier test function. This design mainly adopts STC89C52RC SCM control, and connects with the auxiliary circuit to achieve automatic test and sound-light alarm of the intelligent air humidifier. The intelligent air humidifier...

In post-genome era, dealing with biology data from all of aspects has become a main work of bioinformatics. This study mainly analyzes the application of data mining in bioinformatics. Based on the summarize of the definition and main research contents of bioinformatics, the processing flow of bioinformatics...

In order to improve tunnel in long, narrow tunnel environment flexible robot control and autonomous obstacle avoidance ability, designed the control platform based on ARM, more modular sensor fusion, through WIFI communications and figure and raspberry pie auxiliary control system in the field of image...

In order to promote the movement inside tunnel robot in the cable tunnel and obstacle capability, designed a swing arm type crawler chassis, applied to the robot. The chassis adopts the modular design, assembly simple replacement maintenance convenience, enhances the terrain adaptability. Swing arm type...

In order to reduce the impacts of wave on ship-mounted crane during operating the crane under rough weather conditions. A new type of shipboard crane telescopic sleeve anti-swing device was proposed. It uses the rigid constraints of the sleeve to reduce the swing range of the load, and through the universal...

A low cross-polarization slab waveguide filter for narrow-wall slotted waveguide array antenna with high gain horn is presented. In narrow-wall slotted waveguide array, the horizontal polarization (HP) is the co-polarization, while the vertical polarization (VP) is the cross-polarization. Slotted waveguide...

An algorithm of small and dim infrared target detection base on LCM (Local Contrast Method) combing with edge detection to solve the problem of high false alarm in small and dim infrared target detection under complex background. This algorithm firstly uses the LCM (Local Contrast Method) to extract...

Aiming at enhancing the reliability of the automatic door operation S7-200 programmable logic controller (PLC) was used as the core of the automatic door system. The principle of control system was analyzed with description of the control system hardware it was introduced that the working process of...

Automobile production logistics would affect output rate directly, it included some processes such as cutting, stamping, welding, painting, assembly, testing. For the main question not to delivery in time in a company of main produce car, by observation and analysis in the scene found the painting process...

To provide technical support for computer diagnosis of Alzheimer's disease (AD) patients, the data of resting-state functional magnetic resonance imaging (fMRI) are collected from 9 AD patients and 11 normal elderly people. We adopt the Automated Anatomical Labeling (AAL) template to divide the brain...

This paper mainly introduces the model matching method in fault determination of an application, first before applying the model matching method for characteristics of principal components analysis, reducing their dimensions to improve the performance.

The advantages of Principal Component Analysis (PCA) in dimension reduction are obvious, while the classifying methods are various. PCA, applied to Bayesian classification with the minimium risk, is adopted to realize classifying and testing the learning samples in this paper, eventually accurately realizing...

In order to study the effects of geometrical parameters on wrinkling of 0Cr21Ni6Mn9N stainless steel tube in numerical control (NC) bending process, a three dimensional elastic plastic finite element model of the 0Cr21Ni6Mn9N stainless steel tube in NC bending was established based on ABAQUS/Explicit...

Hydrostatic guideway is the key component of heavy-duty CNC machine tool feed system. The working performance of the hydrostatic guideway have great influence to the accuracy of machine tool. In order to analysis the performance of the oil pad, a calculation method based on Reynolds equation and the...

Wind generation is widely utilized today as a promising form. As the major type of wind turbines, doubly fed induction generator (DFIG) wind turbines have been widely used. Now great attention is paid to the relay protection of power systems integrated with wind power of large capacity. Based on fault...

Energy-saving and environmental protection is a serious problem that mankind faced in the 21st century. In recent years, with the rapid development of economic, energy security situation is increasingly severe. Thermoelectric power generation technology, which is based on Seebeck effect, can directly...

Dobby, as a kind of commonly used fabric system and shuttleless loom, is applied to all kinds of weaving factory. Compared with the tappet loom, it could weave more complex flower fabric. Dobby fabric play a key role in the process of research and development of new varieties and batch manufacturing....

Satellites play an irreplaceable role in human daily life, more and more satellites are being sent into space. At the same time, foreign space powers are competing to develop the satellite stealth technology, the safety factors and survival ability of the satellite can't be ignored. Analysis of space...

In this paper, an object tracking system was introduced for video recording based Qt and OpenCV. The system can track any moving target in dynamic background. The tracking algorithm was designed based on TLD tracking algorithm and some refactoring was implemented. The architecture of the system is clear...

In this paper, we study systematic Luby Transform (SLT) codes over broadcast channel with the white Gaussian noise. First, we adopt the incremental encoding and decoding method to transmit information. To reduce the multiple users' interference and improve the throughput performance of the system, we...

In this paper, we study the problem of mass data storage and encountered in its process. We choose D3Base, one of distributed database products, to compare with the Oracle, and do relevant testing work. The deployment of distributed database products and the construction of network environment are also...

Automatic Dependent Surveillance Broadcast (ADS-B) is a main technology for Air Traffic Management (ATM). As a trend of aerial surveillance, space-based ADS-B uses satellite to receive ADS-B signals to realize aerial surveillance globally. The space-based ADS-B has a series of new features that Terrestrial-based...

This paper systematically analyzed resource application allocation process and the timing relationship of resource application in aeronautical mobile communication system's link layer. This paper aimed at a new generation space ground data link technology which was called L-band digital aeronautical...

Accurate measuring of micro currents in fA range requires an ultra-low bias amplifier which has relative low output swing, limits the value of feedback resistor, and ultimately results a poor noise performances. In this paper, an improved low-noise transimpedance amplifier with a large feedback loop...

Most orthogonal frequency division multiplexing (OFDM) wireless communication system is poor in secure transmission. Based on user's physical layer security rate requirement, an OFDM system cooperative scheme over multi-relay cooperative communication networks to achieve optimal relay selection and power...

Data fusion technology has been widely used in many fields, but the existing data fusion system is faced with the test of the system scalability, real-time processing and fusion abundant dimension. This paper tries to design a data fusion system architecture which can be able to support massive data...

With the rapid development of Internet technology, we have entered into an era of information explosion. An obvious feature of this era is that it has a huge amount of data information. Facing with the huge amount of information, we need a system to effectively screen and filter the large-scale data....

Small and medium-sized foreign trade enterprises play the decisive role in improving Ningbo's economy forward. This paper analyzes the main problems faced by small and medium-sized foreign trade enterprises while developing cross-border electronic commerce, proposes the constructive countermeasure, conducts...

As more and more data accumulated, companies are eager to dig out the knowledge behind a large amount of data to support decision-making. The existing data mining tools such as IBM's IntelligenceMiner and SAS EnterpriseMiner, although they provide a comparatively rich mining function, these tools cannot...

At present, the increasingly heavy pollution haze in Beijing has widely been paid attention. According to index of pm2.5 data for the past few years, correlation coefficients of simple coefficient among different characters are analyzed. The result is that there are three main reasons giving rise to...

Prestressed reinforcement technology has been widely used in Slope Engineering, but anchor prestress losses still lack a comprehensive systematic understanding. Through systematic monitoring and data analysis of prestressed anchors in the slope of a sandy slate, discussion on the Slope Prestress Loss...

Here one demonstration project of groundwater heat pump (GWHP) system in Beijing plain, China, was selected to study impact of temperature, pH, and ratio of carbon and nitrogen in groundwater on the growth of microorganism. Results showed that pH, and ratio of carbon and nitrogen had little influence,...

The articletaking actual project as an example, introduces the design and operation of the system of coal mine drainage reuse in the large-scale thermal power plant. Operation data shows that mine drainage water treatment system is stable in operation, the effluent quality can meet the power plant auxiliary...

The large pressure overshoots or spikes could be easily provoked by virtue of the rapid volumetric change in working process of gear pump, which cause the gear machines to be noise, vibration, strength and other problems, directly affect the stationarity and lifetime performance of the gear machine....

The travel and green food tour industry has become one of the biggest industries in the world, as well as an important direction for the development of China's contemporary economy. After the Chinese government implemented the two-day weekend policy in 2001, domestic food green food tour has becoming...

Macroscopic models are in general not suit-able for modeling adaptive ridership control since they do not consider individual vehicle arrivals, which are a necessary input to adaptive traffic ridership. The use of a global weighting factor also unavoidably assumes that the passengers in a transit vehicle...

In recent decades, Unmanned Ground Vehicles (UGVs), as a part of the Army's Future Combat Systems (FCS), have become a hot research area in national defense science and technology. In order to study the influence factors of steering performance, turning model of a six-wheeled skid-steering UGV is established...

With the development of Internet of things, multi-source heterogeneous data of a large number of sensors exist in the Internet of things. How to refine and encapsulate these heterogeneous data is one of the bottlenecks in the development of the Internet of things. In this paper, the data platform uses...

Serially concatenated continuous phase modulation (SCCPM) combines serially concatenated convolutional coding (SCCC) with continuous phase modulation (CPM). Continuous phase encoder which is decomposed from CPM is used as a convolutional coder, and iterative decoding based on log-MAP (maximum a posteriori...

This paper investigates the network coding resource minimization problem in the context ofdynamic network environment.As a combination of multiagent systems and evolutionary algorithm, multiagent evolutionary algorithm (MAEA) is adapted for the above NP-hard problem. Simulation results demonstrate that...

In this paper, complete Virtual Radio Control System software bus, mainly multi-machine data exchange between modules of this key technology. Environmental monitoring and control for distributed systems, data exchange based on CORBA technology between multiple machine function modules.

In order to study the gas movement in oxy-fuel combustion heating furnace, the fire simulation software FDS (Fire Dynamics Simulator) is used to build the simplified model of oxy-fuel combustion heating furnace and carry on the correlation analysis of simulation parameters and mesh number which impact...

According to the characteristics of large scale joint operational equipment support command, the factors of equipment support command decision were analyzed. On the basis of fuzzy processing command and decision factors, the intuitionistic fuzzy sets of each decision factors were established, and the...

As an important aspect of complex cognitive activity, English writing is regarded as the difficult part in college English teaching. The popularity of Internet and mobile terminals marks a new era of big data, which has significantly changed the ways of thinking and learning, and also brings new opportunities...

Big data is a research focus in the academic and industrial circles currently, which is affecting people's daily life-style, work habits and thinking modes. But at present, the big data is confronted with many security risks in the collection, storage and use processes, privacy disclosure caused by data...

Recommendation systems apply knowledge discovery techniques to the problem of making personalized recommendation for information, products or services in the Internet. These works, especially collaborative filtering algorithms acquired relatively satisfactory results. They can millions of users easily...

With the development of incentive theory, the incentive mechanism of foreign university teachers is mainly through the work design and to meet the needs of teachers to mobilize their enthusiasm, focusing on the study of effective incentives and measures. The research on the incentive mechanism of university...

This thesis focuses on microscopic study, with advantages of agricultural colleges and universities information technology subject construction in Jilin Province as an entry point, using the comparative research method, statistical evaluation method, using the web of science subject evaluation tool and...

How to protect the coal yard by monitoring the temperature of spontaneous combustion of coal is an important guarantee of the safe operation of thermal power plant. This paper for the strip coal yard, by using the Inverse Heat Conduction Problem Analysis to calculate the temperature within the coal pile,...

Based on the technical characteristics of human-computer interaction, combined with the interface design theory, the viewpoints that divided the interface design elements into the dominant and implicit factors are raised. Meanwhile, the model that design implicit elements dominantly is established. For...

The searching for the quasi-periodic oscillations (QPOs) of some Active galactic nuclei (AGNs) plays an important role in understanding the physical mechanism and theoretical model of AGNs. The AGN PKS 0537-441 was monitored in the X-ray 15-50 keV bands in 2005-2016 by the Swift/BAT instruments, which...

Building a fast charging network puts forward new demands of operation monitoring system for electric vehicle fast charging station, through investigation of different situations for fast charging station, study business needs of fast charge stations under different situations, and do system architecture,...

This paper presents a model of wheel-rod hybrid robot and analyzes the performance and function of connecting rods. The wheel-rod hybrid robot can not only effectively walk on a flat ground, but also own better crossing ability on an irregular surface. The wheels with connecting rods are simply introduced...

In this paper, we proposed a novel videometrics system application based on binocular stereovision. And we successfully measured three-dimensional (3D) deformation of the solar wings plane. Videometrics [1] has its inherent advantages in solving these problems, which can provide a non-contact, automatic,...

It is a difficult task to make machine understanding video and describe it in natural language. In the reality, videos are much longer than these video clips in research experiments, each video contains multi parts of semantic. It is a challenge work to describe a long video, it requires to control the...

According to the design requirements that the operating rod should provide a sensing capability to make the operator at the remote end be personally on the scene, in this paper, we propose a force feedback operating rod equipped with 3-RRR spherical parallel mechanism as the basic configuration by analyzing...

Hai Yang Shi You 981 (HYSY981) is a 6th generation deep water Semi-submersible rig and the first DP3 drilling rig in China. To ensure safety operation of the rig, dynamic positioning capability analysis was performed on HYSY981. Firstly, the model of marine environment including wind, wave and current...

The vigorous development of wind power is the driving force behind several different monitoring systems for wind farms, thus arising an increasingly prominent problem of non-uniform communication protocols. The remote and centralized control system for wind power based on IEC 61400-25 can help standardize...