In wireless communication systems, the laser optics wireless communication systems becomes more and more popular, such as the visual light communication (VLC) system. In this paper, we have analyzed the capacity of MIMO VLC communication system using Shannon Capacity in general, and provide necessary...

A high level of non-compliance relating to taking of medication can lead to compromised health benefits and wasted money. Improving patient compliance has the potential for improving issues related to Cardiovascular Disorder (CVD) and many other diseases. This paper developed a prototype system for monitoring...

This study introduces the measurement and evaluation of the standard detective quantum efficiency in digital radiography. The detective quantum efficiency (DQE) is the most suitable parameter for describing the imaging performance of digital Radiography. DQE is defined as the squared ratio of the signal-to-noise...

Objective: aiming to establish a new strategy based on uniform design and genetic algorithm and applying in the optimization of the separation condition of Ginkgo biloba extract using reversed-phase liquid chromatography according to traditional optimization methods. Methods: based on uniform design...

Based on the analysis of Particle Filter (PF), this paper proposed an improved unscented particle filter (UPF) algorithm by utilizing unscented Kalman filter (UKF) to obtain an importance density function. This algorithm clustered the sensor network nodes through dynamic organization. Moreover, the single...

In April 2020, Atlantis Press was alerted to fake proceedings articles hosted on our platform. These articles, mostly in computer science and engineering, were generated by the SCIgen computer program and were all published between 2006-2018. Immediately after receiving the alert, Atlantis Press initiated...

In April 2020, Atlantis Press was alerted to fake proceedings articles hosted on our platform. These articles, mostly in computer science and engineering, were generated by the SCIgen computer program and were all published between 2006-2018. Immediately after receiving the alert, Atlantis Press initiated...

From the system simulation perspective, the thesis is about testing the coming multi frequency multiplexing Terahertz radar system and take the 340GHz as the example to design and analyze the system. With the adoption of 21.6 GHz Bandwidth and the foundation of the Matlab/Simulink, the Frequency multiplication...

In order to acquire the rock strata movement rule above the coal face, which has shallow buried depth and thin bedrock, choosing the 201 dip working face of chang han gou coal mine, Shenhua group, as the engineering background. Using numerical simulation software UDEC, which has distinct elements, to...

Reviews the historical development of road project management system is presented in this paper, based on the connotation, the core management of road projects all over the world are in detail described, the problems of road engineering project management system has carried on the countermeasure analysis,...

Construction management is a construction enterprise according to the business development strategy and the enterprise internal and external conditions, in accordance with the modern enterprise operation law, through the optimized allocation of production factors and dynamic management.

Taking the 12108 working face 3-1 coal seam in Lijiahao coal mine as the engineering background, comprehensively applying roof borehole observation, multi-base point displacement monitoring, measuring the range of loose damage of surrounding rock and other measurements to get in-depth knowledge of the...

The principle of QPSK modulation and demodulation is described and the detailed explanation and theoretical on DDC, carrier synchronization and bit synchronization principle is analyzed. A QPSK digital demodulation structure based on FPGA is proposed after detailed theoretical derivation for Costas loop...

Within the framework of the effective-field theory with correlations, the phase transition behaviors of the spontaneous polarization in a ferroelectric thin film with symmetrical structure have been studied in detail by the transverse field Ising model. A general expression for the phase diagram of the...

This paper introduces composition of a system platform to collect data from a wireless monitoring bridge, develops software to receive data from monitoring bridge fixed with vibration sensors and temperature sensors. We use INV3020 made by Coinv(China Orient Institute of Noise & Vibration) as a lower-position...

Portfolio is one of research focuses in modern finance field. There are some kinds of assets to choose. How should we define the ratio of the portfolio in order to minimum the risk in the level of the established income, or at the established risk makes the benefit maximum. This paper introduces an Improved...

The forming of internal rib has more application in production, to meet the requirements of assembly, cooperate or increase the stiffness, it can be realized through the use of compressed coil or bulging coil tube forming rib forming, within or outside of the rib. It is for ribbed tube forming of schematic...

For the emerging domestic Information Security Specialty (ISS), we can draw of little successful experience directly on professional practice in this field, not to mention referring directly. In order to improve the professional practice quality of ISS students, measures are carried out as follows. First,...

Taking 2-1 coal seam of Zhao GU second mine of Henan Coal Mine Group as the background, the article analyzed the relationship between stress of deep mining coal and rock mass and permeability, and studied the relationship between oriented flow channels namely the Gas Channels of deep mining coal and...

The continuous caseter was widely used of in steelmaking enterprises, with the improvement of product quality, the optimization of the cost control and the improvement of production efficiency, the process requirements in production the was continuously improved and updated. The velocity of cooling water...

The narrow gap automatic MAG welding equipment in this article is a narrow gap gas metal arc automatic welding system developed by Wuhan University, which has remarkable advantages of low heat input and high efficiency. The low heat input reduces the tendency of grain coarsening and other bad non-equilibrium...

This paper introduces the technology of activating CuCr50 alloy powder by MA(Mechanical Alloying) and sintering CuCr50 powder by SPS(Spark Plasma Sintering). It analyzes the effect on electrical conductivity and hardness of CuCr50 alloy when Cu powder in different morphology. The results indicate that...

To investigate the performance of pile supported embankment, five key influencing factors are chosen for parametric study. The influencing factors include the peak length of pile cap, pile diameter, pile spacing, elastic modulus of pile and tensile stiffness of geosynthetic. The settlement at the embankment...

A new kind of admixture for the shotcrete was proposed, its main ingredient is silica fume (61.3%) and bentonite (38.3%), plus a small amount of polyacrylic acid (0.4%). The influences of the admixture on the liquidity of shotcrete were studied, it is results that: 1) with the increase of the cement...

In order to solve the problems like large mass of concrete block, high labor intensity of workers and low construction efficiency in the ordinary masonry-filling combined construction technology which are used in continuously mining and quick gob-side entry retaining technologies, this article carried...

The basic situation of the coal industry production in Shanxi province was studied in this paper, and the transportation of coal in Shanxi province which was divided into the highway freight and the railway freight was studied. Then, the analysis method of synthetic degree of grey incidence was improved...

The SMARTM compound materials formation technique characteristic is summarized, taking some compound materials connection skirt as the example, it designs SMARTM with the mold structural style, it has inferred the soft mold outer diameter and thickness design and the dimension control equation. The research...

Electrical distribution network reconfiguration is a complex combinatorial optimization process aimed at finding a radial operating structure that minimizes the system power loss or maximizes the system reliability while satisfying operating constraints. It has been traditionally performed assuming that...

The online self-adjustment of parameters of diesel engines mechanical speed controller is achieved by a designed fuzzy PID controller, through establishing a mathematic model of diesel engine mechanical centrifugal speed controller and the application of the advantages of the conventional PID control...

As the global natural environment is on the slide, human have improved their cognition on natural enviro-nment changes in varying degrees in the aspects of enviro-nment attention, environmental awareness and enviro-nmental protection behavior. Since Adam Smith , the main-stream economists have regarded...

In order to solve the problem of spectral distortion and the fuzzy texture in visible and infrared image fusion technology, a novel visible and infrared image fusion method based on the Nonsubsampled Contourlet Transform (NSCT) and Pulse Coupled Neural Networks (PCNN) is proposed in this paper. First,...

Crank rocker mechanism is a common mechanism, widely used in sewing machine, mixer, shaper and other equipment. Structure analysis and Mathematical modeling were carried out on the working device of mechanism, then, based on software ADAMS, the simulation model of the crank rocker mechanism is established...

Objective: The aim of this study is to develop a new volumetric reconstruction technique for cone beam computed tomography (CT) system with multiple parallel circular orbits, which can be used to suppress the cone-beam artifacts, permit the reconstruction of limited angle projections and decrease the...

Nowadays with the addition of application demands, the quality of service (QoS) of network becomes more and more important. Network QoS has a variety of support mechanism, this paper mainly studies two congestion avoidance mechanisms: Random Early Detection (RED) and weighted RED (WRED). Using OPNET...

Some parts of mechanical products often need to be replaced or repaired for maintenance. The complexity of the internal structure of machine makes the disassembly sequence planning the focus of researches. A three-dimensional disassembly sequence planning method is put forward in this paper based on...

Through the process of milling of thin-walled parts analysis, developing principles expounded process routes such parts, tool radius compensation and processing methods, etc., using the test method, the process parameters were adjusted and optimization, selecting the optimal parameters then with CAXA...

Complicated minerals, high total organic carbon (TOC) content, and thin interbeded layers aggravated the complexity of logging responses and made it very difficult to find the target zone of the tight oil reservoir in the Jimusaer depression in northwestern China. Horizontal well drilling is extremely...

In view of the quick return characteristics of I and II type crank rocker mechanism, the inner relationship between the size of components is analyzed. The parametric model of mechanism is established based on ADAMS software, then, with the minimum transmission angle to take the maximum as the optimization...

This paper takes a voltage feedback DCM Buck converter as example, and analysis the distance in the converter which apart from equilibrium based on symbolic dynamics and relative entropy.

In this paper, we study the effects on mechanical properties of cement mortar with different types of steel fibers. The results showed that: Among the three kinds of cement mortars mixed with different steel fibers, the apparent density of mortar mixed with type-C was the minimum, and turned out a steady...

Tube hydroforming is attracting more and more attention in many industrial fields, especially in automotive industries and aircraft industry. In this paper, aiming at the problem of the match of axial force and internal pressure, the results of experimental research on the influence of loading path on...

Modern teaching theory has already penetrated into each discipline teaching, many physical education teachers also take it as guidance; while computer-assisted teaching possesses interesting features with its own special functions, and it has great worth in concentrating students’ attentions and stimulating...

Information service system providing service according to the specific requirements of user, or user’s personnel characteristics like subject, preference and usage etc. In university,different sutudent have their own individualized information requirements, so the services provided by library must become...

Speaker recognition system can identify a certain person using speech analysis. Recent advances in speech processing techniques improve the recognition rate. In this paper, an efficient speaker recognition system is proposed. Firstly, a KPCA-based feature selection approach is adopted to get the efficiently...

For the modulation recognition of the wireless communication signal, when extracting Eigenvalues, it is necessary to improve modulation recognition rate in order to achieve the optimized effect. In this article, combination eigenvalue module of the signal is extracted by applying bee colony algorithm...

1. Objective: In order to solve inventory control problems of auto parts in automobile industry, such as overstock, stock capital was exorbitant and so on;2. Methods: Value, stock out loss degree, purchasing lead time, profit rate and demand rate were selected as the evaluation criterion. At the same...

At present, there are not enough research for the intact loess and remolded loess collapsible; There are tests for the some region loess, to study the law of collapsible.The results showed that: The curve of intact loess and remolded loess collapsible deformation is defined by two turning points and...

Frame theory plays an important role in the signal processing and image processing. In this paper, symmetric fusion frames with general shift are constructed, which generalizes the existing results of integer shift to the general case.

Nowadays, social network technology provided a lot of ways for users to express their emotions and attitudes online. How to model user preferenced information and provide personalized service is a crucial problem in big data era. In this paper, a new probabilistic model be proposed to model and analysis...

The high voltage power metering system is mainly composed of a current transformer (CT), voltage transformer (PT), consisting of two wire electric energy meter and connecting them. In the high-voltage power metering system, current transformer is important electrical equipment. Structure of current transformer...

Data mining is a very important step of knowledge discovery and it is through the establishment of mining model and through the implementation of the corresponding algorithm to complete knowledge formation. This paper analyzes the advantages and disadvantages of the management information system of wireless...

In this paper, we present our system iMovie to provide an efficient sentiment search tool for online movie reviews. iMovie implements a ontology tree model to represent the complex relationship between features and opinion words in movie reviews, which guarantees system’s accuracy. iMovie integrates...

There are a huge amount of historical Chinese rubbing images in different library that have not been exploited electronically. However, many invaluable collections of rubbing images are already digitized and indexed for consulting, exchange and distant access purposes which protect them from direct manipulation....

Multivariate based cryptography possesses the characteristic of high efficiency as well as resistance of quantum attack, which makes it become one of the main candidates of being possible alternative to conditional public cryptography in post-quantum ear. A new signcryption scheme based on Multivariate...

Digital image tamper detection technology is a hot topic in recent decades which has widely applications in image processing. Study of key approach of digital image temper detection has important science and application value. A CFA interpolation based image blur tamper detection algorithm is proposed...

Tonghua Baishan area formed a large number of precious characteristic literature because of its special geographical position and historical reasons, long-term accumulation,such as Gao Gouli characteristic literature, Manchu Shaman characteristic literature etc.. According to the features of native form...

It is introduced the application of MIL-STD-1553B bus in a certain aviation communication through analyzing the main features of MIL-STD-1553B bus and main function of aviation communication in this paper. And there are discussed the realization method of MIL-STD-1553B bus based on Tornado in the avionics...

The principle purpose of this paper is to explore the existence of periodic solution of Two-Species Gilpin-Ayala competition system with impulsive perturbations. Sufficient and realistic conditions are obtained by using Mawhin's continuation theorem of the coincidence degree. Further, some numerical...

Fire has a high load value and is easy to spread in the underground commercial space. Meanwhile the space has a high occupant density and people in it are difficult to evacuate. So it is easy to cause serious casualties. To this end, this paper first takes a certain underground commercial plaza for example...

All the search engines are facing the problem of dead link. Dead link prediction model, which is able to quickly distinguish between normal links and dead links, filter out dead links, ensure the validity of the search results. This paper proposed to construct the SVM dead link prediction model by the...

Gathering and transferring pipeline network of oil-gas system exerts remarkable impact on construction cost for whole oilfield engineering. Based on analysis of previous optimization methods for oil-gas pipeline network layout, this paper introduces some frequently used optimization design methods and...

Ceramic metal halide (CMH) lamps, filled with metal iodide (MIx), are efficient, energy saving light sources with high efficacy and high color rendering index (CRI). The biggest drawback of CMH lamps now is the corrosion on ceramic arc tubes. The corrosion effects of different MIx on the ceramic arc...

In this paper, the robust trajectory tracking problem is addressed for the work platform of folding-boom aerial platform vehicle in the presence of uncertainties and disturbances. The control objective is to make the work platform move along a desired reference trajectory and make the vibration inhibit...

According to the specific requirements of environment of National Computer Rank Examination (NCRE), through the introduction horizon architecture of desktop virtualization software (WMware View) and introduction its method of installation, debugging, finally realizes the purpose of cloud computing examination...

Objective: In order to study the contect of sodium cyclamate in jellies. Method: Using ring amino sulfonate sodium hypochlorite derived reaction occurs under acidic conditions to generate N-,N-dichloro-cyclohexane,and then hexane extracted ODC-C14 column,methanol(V):water(V)=80:20 as mobile phase separation,the...

R2100 sensor can provide an increased safety zone for Robot mower, it is necessary to use the advanced distance sensor that scans all kind of targets and receives data for the automatic control system and update the farm management information system. In this study, to determine the best height and view...

In milling, it is important to research the stability lobes charts which determine stable regions where no chatter occurs. This paper presents the nonlinear model of milling considering the variable helix angle. Base on this model, an improved semi-discretization method is used to predict stability....

The research established a mechanical model which could reflect the basic features of rock stratum and made a profound investigation on the form and conditions of the fractures on main roofs. Based on mechanical analysis, the fracture location is difference when lane offshoot care is difference, cutting...

Aluminum oxide (alumina, Al2O3) and polypropylene (PP) have been often used to produce thermal conductive composites. Short Glass fiber (SGF) is generally used to increase the mechanical properties of materials, but decrease the thermal diffusivity because of its low thermal conductivity. In this work,...

In recent years, much attention has been given in the literature to the development, analysis, and implementation of finite difference schemes for the numerical solution of hyperbolic equations, which can describe physical phenomenons of vibrating string, elastic film and three-dimensional elastomers....

Recent years, more and more company have focused on their human resources management, and separation becomes a very important factor. This thesis analyzes the influence of separation rate on company, so as to manage company better. First, we apply Analytic Network Process to construct a dynamic model,...

Indiscriminate considering all 220/110 kV electromagnetic looped networks to be opened may affect the power system security reliability and economical efficiency adversely. This paper focuses on this very issue and discusses the operation mode regarding on the circumstance under which looped network...

In order to realize roundness detection of rotary type parts in industrial field without interruption machining process, an image measurement method was proposed in this paper. Using adaptive threshold, the image edge can be determined by calculating modulus maximum in gradient direction in different...

The electrically tunable filter for the RF front-end circuitry of the microwave receiver is designed to the performance with low insertion loss, low volatility band, high signal selection and superior adjacent channel interference. This paper presents a design scheme of a 225 to 500 MHz electrically...

Aqueduct is a kind of cross bridge building which can cross the channel, depressions, roads and railways .In the paper, based on the aqueduct design, aqueduct model making, aqueduct structure calculation and static load experiment, the aqueduct model is made to solve the problem of analysis of the internal...

In China, currently, more that 240 million emergency plans have been published. Most of them are written by paper. Because of the length and organization of these documents, the useful information cannot easily be gotten from them. So a semantic model for plans is proposed in this article. With it, the...

For Double Fed Induction Generator (DFIG) in islanded system, a design is proposed which adds Energy Storage System (ESS) in the direct current side of the back-to-back converter and changes the capacity of the load side converter. The generator-side converter of the system uses the power decoupling...

The air defense of ship formation cooperation decision-making is a multi-stage multi-objective system. Based on the concepts of the fuzzy weighted distance and membership degree, considering the collaborative relationship in different phase, put forward the concept of thermodynamic power allotment wreath...

Polyaspartic acid derivative (PASP-SEA-ASP) was prepared from polysuccinimide (PSI) that was thermal condensation polymer of aspartic acid (ASP), taurine (SEA) and ASP. The structure of polyaspartic acid derivative was characterized by means of FTIR. The property of scale inhibition of PASP-SEA-ASP by...

1. Objective: Divide rural financial information service area divided using graph partitioning methods . 2. Methods: By means of one-to-one mapping, the factors of the activity place (area) for rural financial information service object, including population, area and financial activity quantity are...

Based on the Bohai oilfield, which geological condition is unconsolidated heavy oil reservoir, which is targeted to design a new 7 "high shot density big debris shaped charge. used several kinds of technology in this research ,such as numerical simulation analysis on the formation of shaped charge case...

In order to measure the lesion area of the medicine images, this study proposes a method of the lesion area measurement which is based on the adaptive seeded region growing algorithm. The method manages optimization treatment of the threshold on the common seeded region growing, so as to avoid the phenomena...

the vehicle maximum lateral vibration offset is one of the premises for judging the feasibility of out-of-gauge freights transport. Dynamics simulation models of single-vehicle NX70H flat were established by SIMPACK with American fifth track spectrum being the excitation, in order to discuss the change...

With the development and wide use of information technology, the change of the new century students and diversity of their psychological demand and other factors has brought new challenges to educators. In order to more clearly understand the current situation of teachers’ ability of information technology,...

In order to guarantee the safety and reliability on the operation of oil and gas well, tested the thermal stability, mechanical sensitivity, flame sensitivity, electrostatic spark sensitivity and the 5s delay explosion temperature of LLM-105 explosive. And conducted the tests with 4 1/2 perforating charge...

The Dual Hesitant Fuzzy Sets (DHFSs) is a useful tool to deal with vagueness and ambiguity in the multiple attribute decision making (MADM) problems. The distance and similarity measures analysis are important research topics. In this paper, we propose some new distance measures for dual hesitant fuzzy...

Shanxi loess tunnel has the characteristics which are numerous and complex geological. This paper simulated the construction process of loess tunnel by the finite difference software FLAC3D, analyzed the influence on the tunnel roof longitudinal settlement and horizontal ground surface settlement by...

Slope stability is the focus of attention in geotechnical. The cutting loess slope because of its high slope and soil properties makes the research question becomes complicated. through the investigation The paper selected typical cutting loess high slope to study, and analyzed slope stability under...

Fault detection and diagnosis (FDD) for singular stochastic distribution control (SDC) systems via the output probability density functions(PDFs) have been discussed. The PDFs can be approximated via square-root B-spline expansion,and expansions to represent the dynamics weighting systems between the...

In this paper,the guaranteed cost control problem for uncertain discrete-time output probability density functions(PDFs) with both state and input delay is investigated .A novel linear matrix inquality (LMI)-based approach with model transformation is developed ,so that the closed-loop system is asyptotially...

In order to discuss whether the investment system reform improve the investment efficiency of Chinese state-owned enterprise since reform and opening-up, considering the nature and function of state-owned enterprises, the this paper constructed the investment efficiency evaluation system of stat-owned...

As the result of the widely usage of Electrical equipment in bus, Corresponding fault in inner equipment has become a common problem of its operation, increasing the difficult and time of fixing..This paper develops a new bus integrated information wireless transmission system based on IPC2378 chip,...

When the small hydropower stations are linked with the power system, it becomes difficult to judge the type of the fault which causes the running of the hydropower station unsteadily. If the fault takes place in the distribution line which links to the hydropower stations, the reclosing always fails....

Because the trend in small hydro-power micro grid flows bi-directionally, the traditional strategy which based on phase voltage change and load shedding has become increasingly unreliability. In order to adapt to the new application environment of small hydro-power micro grid, and to improve the protection...

Embedded systems have higher requirements on real-time performance of processor, and exception, which can interrupt normal execution of program, will decrease the processor performance. For improving the processor exception handling efficiency, a precise exception handling method for embedded pipeline...

The detection of intermittent chaos is an important embranchment of detection of weak signal based on chaos oscillator, which is used to detect the frequency of the signal. In this paper, a method of intermittent chaos detection based on the two-oscillator-difference is put forward. The validity of this...

Analysis of network characteristics and robustness play an important role for the aviation network overall function. This paper collects the data of the current China's domestic aviation network, and estimates the statistical characteristics of the aviation network. The research results show that: the...

In order to control the food safety risk about meat products effectively, the government supervision and spot check data need to be collected about meat products in recent years. Then unqualified occurrence circumstance of different-category meat product was analysed. On the combination of government...

In the using of materials, kinds of injury which is sometimes difficult to repair or too costly to repair may appear in the surface and interior, which will shorten the life of the materials. Self-healing technology can be used to improve material reliability and extend the service life, so composite...

Due to the most of popular algorithms based on image retrieval have a large calculation. While the method of DCT domain have less calculation, and compatible with international popular standard of data compression (JPEG MPEG H261/263). So this paper proposes an image retrieval method based on DCT compression....