Saturation oxygen is an important biological indicator for the respiratory and circulatory of the human being. Many clinical disease can result in insufficient oxygen supply, which will directly affect the normal metabolism of cells, a serious threat to health, so the real-time monitoring of arterial...

Feature extraction technology is a major factor in determining good classification results, the traditional feature extraction method has many deficiencies, such as when a high degree of imbalance in the distribution of the categories and characteristics, it can not effectively deal with low-frequency...

Text mining is a process with rich semantics of the text were analyzed to understand the content and meaning it contains. Its in-depth research is bound to greatly improve people's ability to extract information from vast amounts of textual data, there is a high commercial value. This paper introduces...

In the paper,most multiphase flow model use viscosity as an important parameter, however the viscosity of mixed fluid sometimes is unavailable or difficult to measure especially in small-scale flowing condition,In order to solve this problem, the drift-inhibition angle and expansion-inhibitions angle...

Glaucoma is a chronic eye disease which cannot be cured, so that detecting the disease in time is important. Machine learning for glaucoma diagnosis has achieved great development in recent years. In this paper, we present an algorithm for glaucoma diagnosis from optic disc and optic cup boundary lines...

This paper presents a improved predictive current control of three-phase AC-DC PWM converter, which achieves unity power factor, harmonics elimination and DC-bus-voltage constant. This paper focuses on predictive current control strategy of which the control principle and the reason of static phase error...

Strange nonchaotic attractors exist in quasiperiodically forced system universally, which have fractal structure in geometry but no sensitivity to initial value, which also are among the international hotspot issues studied by nonlinear kinetics for the recent ten years. Many scholars have done a lot...

Based on the convex geometry, a lot of endmember extraction algorithms have been proposed, in which N-FINDR algorithm use sample points in data cloud to construct simplex and maximize its volumn, it suitable for the images which contain “pure pixels”, we can randomly select pixels as the endmembers to...

Heating industry as a basic industry overall, leading effect on the development of the national economy, and is closely related to people's life. Since the founding of our country heating industry has been rapid development, but also there are very serious problems. China's building energy consumption...

The central heating system is an important infrastructure of city, because it has the advantages of energy saving, environmental protection and the quality of heat supply and so on, will be more widely used in the "energy-saving emission reduction" in the environment. Heat supply network is an important...

In this paper, the energy on workpiece surface in electrical discharge machining (short in EDM) process were modeled and its related parameters were analysized, based on electron sputtering and the resistance heat reaction of current flow when the tool electrode is negative. The study shows that: when...

The purpose of this paper is to explore the unique interaction relationship between the Chinese enterprise internationalization and the WTO multilateral trading system, referred to in this article “the strong coupling relationship”. In 13 years since China’s accession to the WTO, its trade and FDI have...

In this paper, we will illustrate the mechanism of metastability issues in ASICs designs that are driven by multiple asynchronous clocks. In order to solve this problem, effective synchronization method is described first. Using the proposed design techniques and optimization methods, metastability could...

parallelizable processing mechanism and multi-core architecture characteristics of image processing algorithm are studied. On the basis, image processing algorithm parallel design paradigm based on multi-core computing environment with five design procedures of analysis, modeling, mapping, debugging...

Cardiovascular disease is one of the main diseases threatening human healthy. Currently, the main method to detect cardiac function is electrocardiogram (ECG). However, with the development of sensors and signal detection technology, many scholars have accepted to use ballistocardiogram (BCG) signal...

Aircraft platform environment has an important impaction on the aboard equipment performance. In all environment factors, the temperature is an key one because it will affect the working lifespan and operational performance of aircraft. Therefore, it is necessary to study the temperature prediction algorithm...

Fresh air temperature supplied by an Environmental Control System (ECS) in a manned spacecraft is generally at 16 ,which is a low air temperature if it is blow to the astronauts directly. In order to improve the thermal comfort, the supplied air temperature should be increased by reducing the amount...

Air revitalization technology of environment control and life support system (ECLSS) should be developed for the long-time orbit mission of manned spacecraft. Two kinds of molecular sieve materials, TC-5A and PSA-5A, have made on request by China's manned space development demand, and the dynamic model...

It is very difficult that experimental data collection was carried out in the small holes directly.And because of the rheological properties of non-newtonian fluid being complex, its transmission parameters in the channel, people often were depended on the single factor experiment chart or experience...

A graph is half-arc-transitive if its automorphism group acts transitively on its vertex set, edge set, but not arc set. Let n be a product of three primes. The problem on classification of the half-arc-transitive graphs of order n has been considered in [J Algebraic Combin 1(1992) 275-282, Discrete...

In order to study the loads and responses for structures impacted by exhausted gas jets, a jet impinging plate is investigated numerically, As well as the computational fluid dynamic method are utilized to simulate the jet flow, the finite element method are imposed to calculate structure responses....

Molecular dynamics (MD) is a method for computationally evaluating the thermodynamic and transport properties of materials by solving the classical equations of motion at the molecular level. There are many algorithms that can be used to integrate the Newton’s equation of motion in the simulation process....

Considering the relative large heat capacity of water, this study intends to assess the application of heating blanket as a homoiothermal heating source to heat water in the floating nursery pond. In order to minimize the unfavorable effects of low temperature on the growth of seeds, this study tries...

The INS/VNS integrated navigation is an important autonomous navigation method for lunar rovers. The INS/VNS models usually utilize the relative motion differences between the inertial and the vision as measurements. Traditional INS/VNS models make an approximation between definitions of the inertial...

A graph is half-arc-transitive if its auto orphism group acts transitively on its vertex set and edge set, but not arc set. Y-Q. Feng et al. gave the classification of tetravalent half-arc-transitive graph of order 6p. In this paper, we proved that hexavalent half-arc-transitive graph of order 6p has...

Current signal separation of single channel mixed speech principally depends on the training samples of the source, for this problem, a new method of blind separation is proposed. According to distribution of different source vary in band, we use SVD method recombine the single channel of dual-source...

Reputation aggregation is a significant and inevitable mechanism for ensuring the security in social network. To solve the problem of preventing collusive attack in reputation aggregation in social network, a collusive attack detection mechanism (CADM) is proposed based on users’ relationships and their...

According to the position behavior characteristics of service object, this paper firstly determines the environmental mark point by combining the position point clustering with map topological node. By using the state of family environmental mark point to transfer fitting continuous position trajectory,...

China feudal society has seriously hierarchical characteristic, its clothes distinguish the status and rank from the color to the pattern. The pattern of Ming and Qing official uniform has special function and inheritance. The bird and beast patterns in representative official uniform not only contain...

The pushing chain is a novel telescopic mechanism used to push the object from one position to another rapidly. The position precision of the pushing chain influenced by various factors is very important to accomplish the task of pushing the object. To compensate the clearances and machining errors,...

Synthetic aperture radar (synthetic aperture radar, SAR) use a two-dimensional matched filter to improve the signal to noise ratio but the signal-to-noise ratio (SNR) gain of synthetic aperture radar (SAR) is controversial. The traditional method analyzes the SAR signal-to-noise ratio based on pulse...

Transfer function models is of considerable interest in economics, engineering, biology, and many other fields. Models of this kind can describe not only the behavior of industrial processes but also that of economic and business systems. Transfer function model building is important because it is only...

Cast-iron parts are employed widely in all kinds of industries, which are very difficult to repair with overlaying welding methods such as electric arc,Ar arc, etc. Laser cladding is a great approach to repair this kind of parts. This paper did some experimental research of laser cladding reparations...

How to suggest a valid recommend within a reasonable time is the greatest technical challenge for the recommendation system, for which tremendous user cases with high dimension are generated while it runs in real time, and these massive data are too difficult to compute directly. This paper proposes...

In order to overcome the shortcomings of slide steering technology, the rotary steerable drilling technology is a new technology developed, this technique represents the highest level of drilling technology development. At the same time, rotary steerable technology is becoming one of the world-class...

In this paper, we propose a community influence prediction calculation method based link similarity in social networkfrom the perspective of community influence. First, we put forwardpresent thea model of community influence prediction, and then descirribe make formal description for its related models...

This article presents the mechanical design of a modular quadruped robot, named XDog. The leg mechanism of XDog has coplanar hip joints with the leg apart from the body to increase the motion range of the hip joint. Gear pair is used to drive each joint to promise high motion accuracy and compact assembling....

b-cyclodextrin (b-CD) is a kind of cyclic oligosaccharide with a unit of D-glucopyranose. It shows good molecular recognition ability for its unique physical and chemical properties and suitable cavity structure. It also is an important supermolecule. It is easy to be derived to get a variety of functional...

Taking the 914 working face of Dongpo Coal Mine as the object of study, through theoretical study and numerical simulation calculation to research large-span trough deformation features of Mining Face under the mining influence and tunnel deformation features under different vertical loads , providing...

A type of remote magnetic field measurement system has been developed to detect magnetic fields simultaneously in three orthogonal directions. The 3-axis magnetic sensor is composed of three orthogonal magnetoresistors. A STM32 operates as the microprocessor for digital signal processing and peripheral...

A lock-in amplifier (LIA) is designed and optimized to recover weak magnetic signals from noise. The proposed LIA is based on phase-sensitive detection technique (PSD), obtain needed signal at the specific reference frequency and reject noise signals at other frequencies. A measurement system applies...

To estimate the effect of high repetition frequency laser jamming on laser seeker’s distinguishing and locking stage for decoding process, two models are built to quantitatively study the jamming effect under the different coding systems, one is normalized cross-correlation function model, the other...

The paper presents a numerical study of natural convective heat transfer of copper-water in an inclined square cavity where the temperature of one sidewall sinusoidal oscillates, the opposite sidewall is cooled at a relatively low temperature and the other walls keep adiabatic. The transport equations...

Feature selection is an important means to solve the problem of dimension reduction in anomaly network traffic detection. Focusing on the problem of traditional feature selection algorithm based on information gain neglect the redundancy between features, this paper proposes an improved feature selection...

The efficiency and quality of overhead transmission line corridor inspection make a close connection to the operation of the whole electrical power system. In this paper, we summarized three common modes of line inspection and analyzed their characteristics. The technologies applied in line inspection...

In this paper, an review of common water scale and corrosion inhibitor of central air circulating cooling is given. The focus is on the mechanism of scale and corrosion inhibitor. Indicates the status of research to scale and corrosion inhibitor at home and abroad. At the same time, some existing problems...

The rapid development of private higher education institutions has made private colleges enter an intensive development stage, and the incentive to the private college president has become an important subject. However, the Ex ante incentive is superior to the Ex post incentive, and how to provide the...

This paper describes a design to develop a centralized remote-reading meter system which used to overcome shortcomings of the traditional manpower-based reading meter. The system is designed from the host computer, network meter and concentrator three parts. Concentrator is connected to the host computer,...

A new magnetic contour matching (MAGCOM) algorithm is proposed, which reduces computation by searching the solutions in -neighborhood of measurement. This algorithm can be used in geomagnetism aided navigation to improve real-time practicability even there are large errors. Effect of the algorithm is...

The energy storage technology plays an important role in the modern power grid. The application of the energy storage technology can improve the stability and controllability of the new energy technologies, and can steady the power grid operation and improve the quality of power supply. In this paper,...

As a new non-destructive testing technology, X-ray real-time imaging detection technology has been put into practical use in the field of industrial product testing. With the printed circuit boards, integrated circuits increasingly integrated, sizes of the circuit feature are smaller and smaller. The...

According to the characteristics of quality engineering curriculum and shortcomings of traditional teaching methods, this paper studies on project teaching reform and practice of quality engineering curriculum, for improving students' quality engineering core skills. An implementation framework of the...

The forecasting method of future values of a time series from current and past values is of considerable practical interest and in important areas of application. In addition to calculating the best forecasts, it is also necessary to specify their accuracy, so that the risks associated with decisions...

This paper presents a qualitative theory for faults diagnosis. We extend Reiter's [1] theory to deal with the dynamic and continuous systems and offer a necessary assumption and the corresponding propositions. Then we propose an algorithm of detection of faults and extend it to the multi-faults case....

This paper presents the process of qualitative multi-faults diagnosis. We propose a new diagnostic process for continuous and dynamic system and its corresponding consistency-checking module. The STRIPS language is used to generate the system model since it integrates the cause-effect information required...

High-rise connected structure has been widely used in the country, at present research of its seismic behavior is less. In order to have a clear understanding for dynamic characteristics of high-rise connected structure, and improving the structure’s seismic performance. This paper adopts the universal...

In recent years, high-rise connected structure is a structure form that is used widely, in order to research the structure’s dynamic characteristics, and improving the structure’s seismic performance. This paper adopts large finite element software ANSYS to establish finite element model of high-rise...

Concrete gravity dam is a common hydraulic structure in order to have a clear understanding for concrete gravity dam in the operating process researching stress and deformation distribution of concrete gravity dam. This paper adopts the universal finite element calculating software to simulate and calculate...

Inverted siphon is a common conveyance structure in order to have a clear understanding for stress and deformation distribution of inverted siphon structure, researching mechanical characteristics of inverted siphon structure. Precast inverted siphon has advantage of quick construction speed, easy control...

Arch dam is a beautiful engineering structure, it has good mechanical properties, it is widely used in water conservancy engineering, in order to have a clear understanding for mechanical characteristics of arch dam structure. Using the finite element method for concrete arch dam of shuangchong reservoir...

Bifurcated pipe belongs to complex spatial structure, and when it bears the inner and the external water pressure, the bifurcation structure enters in complex stress state. Dongjiang Hydropower Station is located upstream of the Xiangjiang River tributary in the southeastern territory of Zixing, Hunan...

Baiyinhua Reservoir is located in Oumulun River, Ar khorchin banner in Inner Mongolia. The irrigation area of design is 53600 mu, and it is a medium-sized reservoir which is given priority to with irrigation. This article gives the stress and deformation distribution during construction and operation...

Steel lined reinforced concrete penstock is commonly used as a hydraulic structures in recent years. Because of the complex structure of the penstock, so far no design specification can follow at home and abroad. In this paper, general finite element calculation software is used to conduct nonlinear...

Bridge-type inverted siphon is located at Yangdong reservoir in the Zixing county, Hunan province, its controlled basin area is 31000 mu. Inverted siphon pipe is single round pipe, inner diameter is 1.0 m, wall thickness is 0.21 m, adopts reinforced concrete structure. This paper uses universal finite...

Feisha aqueduct is located at west main canal of irrigation district in the Xinjin county, Liaoning province, the aqueduct is reinforced concrete rib arch aqueduct, arch centering is variable cross-section reinforced concrete double rib structure, arch axis is parabola, clear span is 33 m, rise-span...

Concrete arch dam as an important hydraulic structures, in recent years has been widely used in water conservancy projects. Gucheng Reservoir is located in the ancient city of Yanqing County in Beijing, where is 10 km from the dam to the county, control drainage area above the dam 119 km2 ,which is an...

Concrete arch dam is the main structure of water conservancy projects which have the advantages of a artistic shape of structure and good mechanical properties, and it has been widely used in water conservancy projects. Banjiang Reservoir is located in Zijiang River two tributaries of Dongkou County,...

The numerical simulation study for water conveyance of inverted siphon on water security is of great significance. The inverted siphon is thin-walled concrete structure, and cracks will appear according to temperature loads. Generally speaking, the temperature difference between the internal and external...

The loads on the arch dam and the materials physical properties of the dam and the bedrock are uncertain, and can be described with random variable. Due to the huge volume, the complex structure of the dam and excessive random variable, the static analysis of the dam is difficult. The dam is a higher...

The numerical simulation study for water conveyance of penstock laid on downstream surface of overfall dam on water security is of great significance. Static analysis of penstock laid on downstream surface of overfall dam is the foundation of design and construction, includes the calculation and analysis...

The stress and strain of dam structure not only are the index of dam structure rigidity, but also are the basis of identifying whether the dam structural damage occur. Static analysis of dam is the foundation of design and construction of dam, includes the calculation and analysis of stress and strain...

Pressure pipeline's length to diameter ratio is very big, easy to instability, stress situation more complex than the pressure vesse. The numerical simulation study for pressure pipeline on water security is of great significance. Static analysis of pressure pipeline is the foundation of design and construction...

Tieluqiao inverted siphon project is located on the main canal of Songshu reservoirs in Liaoning province, pipeline through north hole of changchun-dalian railway bridge, with the railway bridge orthogonal. The inverted siphon is thin-walled concrete structure, Sstructural analysis is of great significance...

One station on Jinggu river aqueduct whose level is three is located in the channels on Jinggu power station in Yunnan Province, the Aqueduct is the reinforced concrete hyperbolic arch aqueduct, for three main arch rib with double wave and uniform section, the arch axis is parabola. The aqueduct structure...

The engineering big punch inverted siphon is located in coastal tidal areas of Doumen country, Gangdong province, and engineering use hinged assembly structure, method of construction using prefabricated Floating. First the pipe body is prefabricated, then floating and sinking into place, and then joints...

Hongyan hydropower station is located in Maotiao river, in Xiuwen county of Guizhou province,it is a power generation project and designed the third class structures, Pivotal Project are composed of dam, water diversion tunnel, powerhouse, subsidiary dam, etc. Dam is concrete double curvature arch dam....

Guanping aqueduct is located at main canal of reservoir's irrigation district in the Dayong county, Hunan province, this aqueduct is reinforced concrete rib arch aqueduct, main arch ring is variable cross-section reinforced concrete double rib structure, arch axis is suspension of attachment, reinforced...

As the south-north water transfer project starts work, construction of aqueduct in China has entered a new period of development. Static analysis of aqueduct structure is the foundation of design and construction, includes the calculation and analysis of stress and strain of aqueduct structure. The stress...

In the paper, we combined with an actual engineering about an old bridge which filling pile. Through conducting the structure performance testing and cap beam Carrying Capacity of the old bridge, and using the comprehensive assessment method grading the old bridge, these provide a scientific basis for the...

In this paper, K-means clustering algorithm is applied to the classification of college students, by which studies college students’ organization form and then discovers new college students’ organization from. By means of defining students’ attributes, the whole text quantities and normalizes those...

Plate heat exchanger is a kind of compact heat exchanger, which has high heat transfer coefficient and compact structure and is easy to wash.In recent years it has been widely used, but also has the disadvantages of big flow resistance.In this paper the numerical simulation is performed by using the...

Aiming at the problem of common-frequency jamming between airborne radars of same model, oblique projection polarization filtering technique was introduced into common frequency jamming countermeasure. The basic principle of oblique projection polarization filtering was analyzed; the anti-interference...

In order to obtain the response of nonlinear structural dynamic system effectively, a linear, time-varying approximation method is proposed in this paper. The technique is based on the replacement of the original nonlinear system by a sequence of linear time-varying systems, whose solutions will converge...

In view of the Minimum Mean Square Error of Log-Spectral Amplitude estimator (MMSE-LSA) noise power spectrum estimation algorithm does not adapt to the actual non-stationary noise and the accuracy of the estimation of prior SNR is not high on the traditional logarithmic domain. However, most of the nonstationary...

According to the exact three-dimensional (3D) thermal theory, the steady temperature distribution in a laminated rectangular plate with zero temperature conditions on four lateral surfaces was studied. An analytical method was developed to solve the temperature field in the plate. Firstly, the general...

Transfer functions are commonly used in the analysis of systems such as single-input single-output filters, typically within the fields of signal processing, communication theory, and control theory. Transfer function models is of considerable interest in economics, engineering, biology, and many other...

Objective – The paper’s aim is to explore an efficient statistical arbitrage system. Methods – The paper use moving-window and Regression model to identify the volatility of the relation between two assets. When the relation move beyond normal range which defined by quantile, arbitrage opportunities...

Power system state estimation provides accurate and complete data for several online advanced application software in energy management systems. Its main consideration is how to acquire accurate data. State estimation are usually solved by weighted least squares estimation, and selecting a reasonable...

The 2-thioxo-1,3-dithiole-4,5-dithiolato (dmit) complexes exhibits very large and fast third-order NLO response and may be promising candidates for the applications in the field of nonlinear optics. An organo-metallic complex, ethyltriphenylphosphonium bis(2-thioxo-1,3-dithiole-4,5-dithiolato)aurate(III)...

The quantitative research on the key factors affecting the development of science and technology talent. Based on grey correlation theory, the study analyze the factors that influences the sustainable development of science and technology talent in Tibet, and it discussed the various factors associated...

A Rational curve r(t) can pass through interpolation points (m+1) by a polynomial of degree m or under some circumstances, and the same is true when rational curve is restricted or the function values of r(t) are replaced by derivatives . The paper will show in these cases a rational curve r(t) of degree...

The classical histogram equalization algorithm is not perfect in its over extending low gray layers, which produces over emphasized images and in its weakness in changing gray level, which leads to the lost of details in image. For enhancing the algorithm, the paper introduces an adaptive equalization...

In order to realize the growth of ZnO/CdS nanorod with high quality, ZnO nanorods were firstly fabricated on glass substrates,and then the synthesis of ZnO/ZnS and ZnO/CdS heterostructures were realized by a chemical conversion method.the field-emission scanning electron microscopy (SEM), X-ray diffraction...

A new method for live line measurement of zero-sequence parameters of T-type transmission lines with mutual inductance is proposed. Firstly the T-type lines and multi-branch lines are equivalent to parallel transmission lines with mutual inductance, and then the live line measurement for parameters of...

Cold roll-beating is a new advanced plastic forming technology, obtaining the forming force varying law is key to study the forming mechanism. Aiming at force measuring requirement in cold roll-beating forming process and the forming principle, a strain gage type dynamometer dedicated for cold roll-beating...

With rapid development of soybean industry in recent years in China, the soybean wastewater is doing greater and greater harm to the water environment. Now the SBR (Sequencing Batch Reactor) process has been widely used all over the world, and the SBR process is a biologic treating process of wastewater...

Recently years many large lakes are eutrophic or in serious state of eutrophication. And most eutrophic water from phosphorus control action is the amount of input, so how to effectively reduce the phosphorus content of sewage has become noticeable within the field of environmental protection issues....

To improving the NVH (Noise, Vibration and Harshness) performance of vehicles, the NVH performance of exhaust system must be considered. As hanger is the main vibration transfer path and hanger isolator is the crucial vibration isolation components, it is necessary to study hanger location and stiffness...

According to the boundary integral equations, numerical simulation of wave scattering around a cavity with a circular cross-section embedded in saturated soil is obtained using integral transform methods. The numerical results of this study show that the dynamic stress concentration and pore pressure...

For a saturated soil, a saturated poro-elastic model is more realistic than the linear elastic or the visco-elastic one. Based on the Fourier transform method in the frequency wave number domain, the expression of the equivalent stiffness of the saturated poro-elastic half space interacting with an infinite...