In view of the current intelligence lives in complex structure, such as the high cost of weakness, use of switch power supply and single chip design a wireless intelligent household system. It will control instructions through wireless remote control by way of the wireless controller sent to the module,...

We give a detailed description of the design of a double 8-digit digitalization encrypted loek in the second part ofthe thesis The curl consists ofthree parts:keyboard interface module, control module and aisplay module The keyboard interface module includes the liming circuit,signal scan and read circuit,tremble...

With the development of highway in our country, geological structure of the artificial analysis method, will waste a lot of time, manpower, financial and material resources. Although the digital image processing is applied to the analysis of geological structure in the initial stage, but can greatly...

Computer vision theory, the 3d object reconstruction is always a very important research subject. Most humans are attained through the visual perception of information, but in the real world, people think it is 3d information, how to better performance, the 3d information, to be one of the hot topics...

Universal combinatorial coding derives from the combination principle and its core is ordinal calculation. The solution of ordinal is a process of computing permutation and combination values. But permutation and combination computing is very time-consuming. As a result, adopting optimized methods or...

A new acoustic reconstructing method based on oblate spheroidal coordinates is proposed and deduced in this paper. The acoustic pressures of whole acoustic field are expressed by the product of the coefficients and the conventional interpolate polynomial. Once the coefficients are specified by the pressures...

To investigate the physiological adjustments of textile workers exposed to high temperature environment, 10 workers with years of work experience and 12 students with rarely entering into workshop were chose to a hospital for blood test and nerve conduction velocity measurements. The blood test was to...

Power electronic Converter is an electrical components connecting AC / DC networks. It is important to study the AC / DC sides harmonic characteristics. Based on the improved switching function which is processed with multiple states, the paper gets the modulation waveform, which is modulated by the...

It’s important to access the status change of switchgear in switching station for condition maintenance. With regard to the online assessment for the resistance of switches in the switching station with 3/2 connection mode, linear equations can be established on the basis of real-time current measurements....

The evaluation of switch resistance has aroused widespread concern.To assess the resistance of switchgear in switching substations which use 3/2 wiring, online assessment method based on real-time current measurements is proposed in this paper. The method use Kirchhoff’s law to establish the mathematical...

The inverted pendulum is a classical control problem, which is an absolutely unstable system with the characteristics of higher-order, unstable, multivariable, nonlinear and strong coupling. There can be varieties of methods to be applied to control inverted pendulum system, such as PID control, optimal...

This paper studies the user response characteristic to the time of use price, and establishes the user load response characteristic curve to the time of use price on the basis of consumer psychology. Based on the optimal operation model, the paper analyses the effect of demand side. The paper establishes...

The optimal capacity combination model of an isolated microgrid is established, which considers the pollution emissions, the punishment of renewable energy waste, the effect of charge and discharge process of lead-acid battery to its lifetime and reliability, the total cost and punishment of renewable...

In Mineral resource economics, a large amount of data stored in Excel files usually need to be calculated and transferred to various charts for analyzing. Excel VBA provides a fast and easy way to carry out the calculating works and to create various kinds of charts. This paper illustrates how to create...

References are widely used in C++ programming language. A reference is a value that enables a program to indirectly access a particular data item in the computer’s memory or in some other storage device. References are difficult for programmers to understand and to master. The purpose of this paper is...

The statistics of International Meeting shows that most circuit breaker faults comes from mechanical side, so it is of great significance to do research on mechanical fault diagnosis. The implementation of circuit breaker mechanical properties on-line monitoring is an inevitable trend of the development...

This paper deals with the design of a robust attitude controller for a quadrotor helicopter subject to external disturbances. In order to attenuate these time varying and non-vanishing disturbances, we propose the use of a proportional integral observer to estimate and compensate for the disturbances....

International Civil Aviation Organization (ICAO) requires enterprises to implement Safety Management System (SMS), and the state has compulsory requirement for Work Safety Standardization at the same time. To improve the efficiency of safety management of enterprises, considering Basic norms for work...

On theory of multisensor state fusion estimation, more research is a single rate synchronization problem, however, it is the multirate asynchronous problem often encountered in practice. Therefore, research on the state fusion estimation of asynchronous multirate multisensor have more practice application...

Considering the current problems of low real-time performance for data acquisition and poor monitoring capacity in the production line monitoring system, this paper introduces a production line visual monitoring system, this system introduces the radio frequency identification technology (RFID) into...

For linear frequency modulated continuous wave automotive collision avoidance radar system, it has advantages of not existing the blind area, high detection sensitivity, not easy to be interfered and low operating voltage. It becomes the focus of research in recent years. In practice, we often meet the...

According to the engineering requirement of power distribution network reactive power compensation, the paper presents a software and hardware design method of the STATCOM based on DSP. In order to stabilize the PCC voltage around a prescribed value in the direct current control mode, the three-level...

Underground mining is hazardous due to variable conditions in production so accidents occur frequently. The present monitoring system can no longer ensure its safety. Applying Wireless Sensor Network as monitoring system can improve monitoring efficiency and prevent mining accidents. Based on research...

For the advantage of high range resolution and low power, the radar usually use the linear frequency modulated continuous waveform. With the development of electronic technology, the operating bandwidth of radar is also growing. In broad bandwidth, to realize the linear modulated waveform using VCO is...

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...

There are two major drawbacks in traditional software development process, to follow the database as the core of the software development pattern, it is difficult to achieve a high degree of flexibility of the system and meet the changing requirements of reconstruction. And domain software with complex...

A new hybrid self-organizing migrating algorithm based on estimation of distribution (HSOMA) is proposed to resolve the defect of premature convergence in the self-organizing migrating algorithm (SOMA) and improve the search ability of SOMA. In order to make full use of the statistical information on...

In recent years, there are many companies competing for innovation in the field of wearable smart devices. In this paper, we present a secure password input extension of smart watch that has not been implemented on any other smart watches yet. A SmartWatch extension module is designed and runs on both...

With the development of virtual reality technology and internet shock, in order to be inherited, Yangjiabu New year pictures, as a traditional culture, need to be preserved, protected, developed and innovated with times. This paper realized the digital exhibition of Yangjiabu New Year pictures which...

In this paper, it was mainly discussed the electrical field analysis of the high voltage outlet in the insulation structure, which was a part of the transformers manufacture. Firstly, the electrical field of 500kV transformers-outlet devices inside the enclosure was modeled in Maxwell electrostatics...

The FPGA technology becomes an electronic engineering gradually, which controls the field where technology is often use. In order to satisfy the requirement of employment, a lot of colleges and universities has provided FPGA course. But due to the different professions of each school, employment directions...

When the wind speed is above the rated value, the traditional control strategy is variable pitch control, and the control method is PI control. However, variable pitch wind turbines have strong nonlinear characteristics due to the natural wind which random changes with time and space. For the pitch angle...

Wind energy has become one of the most widely deployed sources of sustainable energy, using larger wind turbines to convert kinetic energy into electricity has significantly increased, however, the wind turbines control technology is still lagging behind and needs to be improved. The advanced control...

To benefit the corrosion diagnosis, the concepts of blocks and their prototypes, uncertain-branch groups and their prototypes, projection of blocks and part of touchable nodes are defined. A new approach of grounding grids corrosion diagnosis by blocks is putting forward. According to the desired corrosion...

we proposed a novel approach for software trust analysis, in order to solve the problems in auto testing that, the test process is lack of guidance, further more, with high performance cost. The main idea of this approach is based on taint data tracing by taint tracing started from outside of software...

A new framework for modeling human body according to the specified measurement dimensions is presented. Users are assisted in automatically generating a virtual model through modifying the standard one by controlling the parameters provided. Our approach consists of four major parts. First, 3D scanner...

In this paper, we first introduce a more general model of complex dynamical networks with coupling delays and delays in the dynamical nodes than before. Then we further study the synchronization analysis of the complex dynamical networks with coupling delays and delays in the dynamical nodes. Via the...

Objective Phospholipids are one of important factors in Hyperlipidemia development. To discover relationship of Hyperlipidemia and phospholipids, we carried out this study. Methods: We carried on the bioinformatics study on the relationship by Cytoscape software with Agilent Literature Search and ClusterONE...

In this paper, a Connected Component-based Stroke Width Transform algorithm (CCSWT) is proposed, and it is combined with sparse representation and conditional random field (CRF) algorithm to locate texts in color images. Firstly, a color quantization algorithm is carried out to convert a color image...

With the Electromagnetic relay development, the detection technology of relay is more advanced. At the same time, users are also increasingly high requirements on... quality, performance and reliability of relay. This requires very precise relay detection, in order to ensure the quality and reliability...

To improve the efficacy of traditional medical image retrieval, this paper presents a new medical algorithm that uses discreet cosine transformation innovatively. This paper chose 42 pictures from upper torso CT images obtained from patients with hepatocellular carcinoma in Shengjing Hospital to serve...

Power system has higher and higher requirement on equipment miniaturization, intelligence and reliability with growing demand for high-performance computing requirements. Conventional substation automation system has many deficiencies in the application, which can not meet power grid development and...

Oil pollutants is one of the major pollution sources in water. Accurate, rapid, and convenient detection method of oil pollutants in water has very important theoretical value and practical significance. The combination of near-infrared spectroscopy (NIR) and chemometrics is ideal for such a situation....

New characteristics of cloud computing network environment put forward new requirements of electronic forensics such as positioning key evidence from big data fast and accurately, analyzing the correlation between evidences, and presenting the results of analysis humanely, which will be the new aspect...

Electrical power connector is generally a weak link in the power system, which is probably the most frequent source of detriment to the overall performance of a power system. In order to solve overheating of connector authors surveyed many substations in service and analyzed the deterioration mechanism....

Traditional video forensics were just for complete video files, which aim at reconstructing the processing history of the video data and validating their origins or authenticity. They have obtained great achievements. However, we cannot always get complete video file in practice, sometime we only get...

Due to the resistivity of insulating materials with nonlinear and anisotropic, in the computation of converter transformer value side winding DC field need to take into account the insulation material nonlinear and orthogonal anisotropy. The author uses the ANSYS secondary development technique, calculated...

This paper researches on the propagation characteristics of partial discharge in internal GIS. Through the external UHF sensor to receive the electromagnetic wave signals emitted from the surface of the insulator metal pouring hole flange and using the finite difference time domain method, by means of...

At home and abroad, smart home, after more than ten years development is getting more and more widely welcomed. Smart home technology is developing rapidly, and with the emergence of IPv6, smart home based on IPv6 is becoming a trend. Meanwhile, security and privacy protection of smart home is receiving...

As the urgent need for unprecedented level of convenience, enjoyment and quality of lives becomes ever more apparent, interest in smart homes is on the rise. Recent advances in computer and communication technologies have offered many promising solutions to the realm of assistive living. However, to...

High mobility of computing entity and user in the physical space is an important feature of smart home environment. In order to provide transparent digital services for users "anytime, anywhere", seamless migration as the core issue must be addressed, that is, with the user's mobile, accompanied computing...

Digital office environment is the office mode based on WEB or B/S structure. Under the digital office environment, office work digitalizes and documents electronizes. Traditional paper files are easy to mildew, rot and lose, difficult to revise and inquire, and have low efficiency. Electronic records...

With DDoS attack detection underlying technology continues to mature and improve more and more application-layer DDoS attack. Due to the complexity of the application layer protocols, application-layer DDoS attack is subtler and more destructive, more difficult to detect. Flow characteristics of the...

Under the background of promoting recycling economy, the economic and environmental benefits of remanufacturing used products have become heat topic. In this paper, Stackelberg game theory is used to study the closed-loop supply chain models under Dual Channel Recovery concerning manufacturer and retailers....

This paper proposes an image thresholding segmentation method, which combines tissue membrane systems and velocity-position model. A tissue membrane system is used as its computing framework and an improved velocity-position model is integrated as evolution rules of objects in cells. Due to parallel...

The task of textual entailment recognition is to determine whether a text entails a hypothesis. This paper proposes a hybrid technique to identify the entailment relation between texts and hypothesis. This technique includes an approach based on lexical similarities and an approach based on the classifier...

In view of the current power transmission project design review, the requirements of automatic review, online collaborative evaluation and information intelligence analysis are increasing. This paper designed and implemented an intelligent design review system based on the idea of SOA and the SSH2 three-tier...

In the power transmission engineering design review work, assessors need to repeatedly read the report in order to extract the engineering evaluation index content from a lot of text and tables, then give a comprehensive review comments. In the process, experts need to search the document content and...

The relationship between equity structure of commercial banks and its performance has always been a hot spot in the financial sector, this paper uses the 2007-2013 annual report data to analyses the relationship between ownership structure and performance of three kinds of listed commercial banks(state-owned...

A tapered polarization maintaining photonic crystal fiber based on dual-mode interference is proposed for measuring liquid refractive index. The sensing principle is based on the interference between LP01 and LP11 modes in the photonic crystal fiber. The output intensity distribution of the two modes...

Due to the open and dynamic nature of cloud environment, the service quality of a cloud service is not always trusted as advertised by cloud provider. Feedback rating-based reputation system is an effective approach to determine the trust of a cloud service. Unfortunately, a comprehensive reputation...

Nowadays, selection of an optimal investment program has become a challenging task for the decision makers in the Electric Power Company. Investment program selection for a company can be viewed as a complicated multi-criteria decision making (MCDM) problem which requires consideration of selection attributes....

This paper presents an embedded terminal design based on ARM11 to implement multimedia information sharing and relay transmission between wireless terminal devices. Multimedia collection and wireless transmission to each other are easy to be realized based on an embedded board combined with a CMOS camera...

Fluorescence resonance energy transfer (FRET) is the radiation process which the donor molecules at the excited state transferred capacity to the acceptor molecules via remote dipole. Aptamers can specially recognize its target molecules. Based on these principles, a sensitive and selective uorescent...

The previous literatures generally study consumption level of the single urban or rural residents in Hainan.But there are few documents about the residents' consumption level in Hainan province. According to the the data in range of year 2003-2012,this paper analyzes and evaluates on consumption level...

Based on data from the hainan statistical yearbook between 2002 and 2012, this paper makes fuzzy cluster analysis of eighteen cities of Hainan by introducing FCM algorithm, and divides these cities into four categories. We compare and analyse the data of cities. The main conclusions are as follows: 1)The...

Academic studies concerning pricing efficiency of stock market mainly focus on whether the stock market is an efficiency market and the market form, but do not give quantitative indexes to measure pricing efficiency. In this article, we employed a state-of-art Spring Oscillator Theory to study pricing...

A compressive sensing based method is proposed for reconstruction of radar image of 3-D geometry in this paper. Using the sparse property of the geometry, compressed sensing performs a low-dimensional, non-adaptive and linear projection to acquire an efficient representation of a compressible signal...

This paper presents an automatic traffic-sign detection and recognition algorithm based on sparse representation. Our system consists of several steps. In the first stage, we detect potential traffic signs using the most remarkable feature-color-extracted by HSI model, which is immune to lighting changes....

In order to solve the problems brought by the PV-storage microgrid embedded to distribution network, this paper proposes a hierarchical coordinated control scheme to alleviate negative effect. First, the characteristic of distribution network with microgrid is analyzed, the model of PV-storage microgrid...

Partitioning the entire electrical network into several sub-regions is a good way to control voltage and reactive power. In this paper, an effective identification strategy is proposed to partition the whole network with typical boundary nodes. Firstly from the point of normal operation, a reactive sensitivity...

Based on the partition idea of reactive power source priority followed by the load, an improved partition method is presented in this paper which makes the core of dynamic reactive power source and combined with comprehensive reactive regions/nodes sensitivity. Firstly, the electrical distance between...

Because the chain STATCOM each inverter bridge DC side are independent of each other, the DC side voltage is difficult to balance, how to make the voltage of each inverter DC capacitor is consistent, safe and stable operation of the key device.For chain STATCOM DC capacitor voltage balancing problem,...

This article is launched based on the target that to research the forecasting method of transducer state. Generally, the receive array of sonar is made up of several transducers according to one certain way, when the damaged quantity or degree of transducer reaches a specified level, there will have...

Via modeling the reverberation noise by means of the symmetric -stable distribution, and the second-order and above order moments of distribution are nonexistent, the fractional lower-order moment and zero-order moment concepts are put forward and the beam forming algorithms on account of them are proposed...

The variational inequality and the nonlinear complementarity problems has been well documented in the literature.Many methods such as nonsmooth Newton method and interior point method were studied in the variational inequality problem,but there was a limited study of penalty methods for the variational...

Minimum Quantity Lubrication (MQL) is now being used in some advanced manufacturing processes. Application of MQL reduces the pollution caused by using a large amount of cutting fluid, and makes the working environment become better. However, the conventional lubricants used in MQL result in poor cooling...

The high contact resistance of the corrosion products is more likely to cause contact failure. Based on service condition and natural environment of transmission and transformation equipment, the deterioration mechanism of electrical wires was investigated from the view of corrosion. The surface morphology...

The smart substation construction is developing rapidly, and operation maintenance unit must be faced with the new problems which are brought about by the new technology. Based on more intelligent substation debugging, acceptance and operation experience, the main technical supervision points of the...

The grounding system of the ultra-high voltage substation is of great significance in safe operation of the substation. The grounding resistance value of the grounding system of the ultra-high voltage substation in the basic plan is far more than the allowable value. The paper analyzes the common resistance...

With the continuous development of power electronics technology, static synchronous compensator (STATCOM) structure increasingly multiplex. When the load current check point and the compensation injection point of STATCOM in different position and exist the difference of the phase and amplitude, which...

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...

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...

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...

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...

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....

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,...

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...

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 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...

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...

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...

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...

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 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...

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...

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...

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...

In order to increase bandwidth efficiency of band limited communication system, a new multi-band digital modulation scheme based on Quaternary Carrier Orthogonal Sinusoidal Non-linear Chirp Keying (QCO-SNCK) is proposed. Firstly, by analyzing the orthogonality of SNCK modulated waveform samples, 4 mutually...

In order to suppress the imaginary intrinsic part interference of OFDM/OQAM system in radio channel, a new pilot design approach is proposed. The new design approach can suppress the intrinsic imaginary interference in quasi-stationary channel and reduce the pilot peak power due to sparse data forms....

Comprehensive geophysical prospecting has been widely used but the theoretical evidence has not been clear by most researchers. The paper shows out a one dimension seismic refraction simulation by ray-trace technology under a one dimension horizontal geo-model. And then using digital filter method and...

The main drive system using for four-high rolling mill is usually a double closed-loop DC motor speed regulating system—whose performance influences the product quality directly. In this paper, the model specific parameters required for the main drive system are calculated by the method of engineering...

This paper designs a dynamic monitoring system applied to four cold rolling mill for Magnesium alloy sheet. The system select Siemens WinCC6.0 for Monitoring interface and Siemens S7300PLC for lower machine as the core for data communication and dynamic monitor, The main interface of the monitoring system...

With the stress of working and living increasing day by day, a fairly large number of people have been in the state of sub-health. Therefore, in developed countries, health problems have become a social focus which cannot be ignored. In this paper, we utilize rich functions of smart phones, make them...

Due to the versatile functions and the potential ability of monolithic integration, semiconductor ring laser (SRL) has received increasing attention recently in the application of all-optical logic unit. In this paper, InP/AlGaInAs multiple quantum well (MQW) ring lasers with different cavity structures...

The automatic interpretation of SAR images is often extremely difficult due to speckle, a signal dependent noise, which is inherent of all active coherent imaging systems. Thus, despeckling has become a crucially important issue in SAR image processing. Wavelet theory provides a powerful tool for detecting...

To solve the time-consuming problem and the low efficiency of the global exhaustive searching in the object tracking, this paper propose a new search strategy based on motion estimation and structural constraints. First, the motion vector of one object is calculated, associating with the location of...

With the increasing of wind generators and the scale of wind farm, it is urgent needed to establish a model which is proper and practical to short circuit current calculation. Firstly, this article analyzed the characteristics different types of wind generators’ short-circuit current and put forward...

When emergent active power abscission command is given to wind farm cluster by dispatching center, it is necessary for wind farms to coordinate with each other to optimize power abscission distribution. This paper firstly analyzes active power abscission ways of wind farm, and four kinds of power allocation...

The VCSEL light transmission module, whose array was 12 spacing 250 m laser launcher, combine 12 array waveguide belts and the receive module to form the parallel optical interconnection. For achieving an efficient optical interconnection, how to make the light coupling pass in/out waveguide has become...

The education practice of the modern distance education is an important execution mode for the practical talent training mode. The effect of the practice teaching is measure of the practice teaching quality, and the research of the influence factors of it is an important approach to improve the teaching...

In this paper, a vision-based target detection and tracking approach using improved multi-feature camshift is presented. Because the traditional camshift based on single feature is not robust when the background color, illuminate and target deformation change, it may lead to lose target or failure of...

Soil is an important part of the environment, which is the precious renewable resources. Soil heavy metal pollution is becoming more and more serious, which affects the normal function of soil, causes pollution of food chain, threats to human health and environmental quality. Mercury as one of the persistent...

Along with our country education reform, University Chinese College English teachinghas also undergone changes and the corresponding development, and achieved certain results.University English teaching to cultivate students' comprehensive ability of using English and the ability of autonomous learning, challenges to...

The goal of Human Library lies in disapproval of violence encouragement of communication and elimination of prejudice The paper tries to study the application of Human Library to the university students’ideological and political education based on the theoretical framework of the connotations and development...

In recent years, all kinds of frequent occurrence of unexpected events, damage is very serious, affect the range is very wide. These sudden public events not only cause great loss of life and property, but also affects the social stability, and even endanger the national security, the economic society...

China's trade policy and China logistics policy changes, the rapid development of aviation logistics in china. Aviation logistics developing in a high speed, China's domestic aviation logistics enterprise has brought new market development opportunity while, also brought from the market environment changing,...

In the 1980s, the speed to run industry to enter China, China Express enterprises increased rapidly expanding business scope. But in the course of the rapid development of a number of courier companies, small scale of operation of enterprises Express business qualification, the poor level of service...

This paper is the analysis of electronic commerce development process, the logistics cost composition and characteristics, and the content of our country sheds cost and how characteristic. To our country electronic commerce development environment, the factors which influence the logistics cost. Through...

With the continuous development of China's market economy, courier services, the rapid rise of one of the services has become indispensable in our lives. Courier service for its speed, time-consuming short, convenient features popular with users. Courier service companies on China's market is mainly...

Aiming at the question that each positive sample in trained sample set has the same weight when training the naive Bayesian classifier in discriminative tracking algorithm, an algorithm is proposed to put different weight on different positive sample according to the distances between the positive samples...

Slowness is a crucial factor to prevent matrix method from its practical use in network topology. The matrix method which gets full connectivity matrix by multiplying the adjacency matrix repeatedly and determines connective sets by comparing or scanning rows of the full connectivity matrix is very time-consuming....

In order to have a clear understanding for frame structure’s vibration modal, and improving the structure’s dynamic characteristics. This paper adopts finite element method to simulate and calculate frame structure teaching building, and gets natural frequency and vibration mode of frame structure teaching...

The key issue of structural design are three aspects of strength, stiffness and stability. Prestressed rectangular aqueduct that is one of the important hydraulic conveyance also has the same, and it has the "thin" characteristics, and belongs to a slender member, then the stability problem should be...

Because digital diagnostic pathology allows people to acquire, store and analyze pathological information from the images of immunohistochemical glass slides which are scanned to create digital slides, this paper introduced a system design to convert the slides to digital images And it has become one...

In order to investigate the structural stress dependence on the load conditions and material parameters, reduce and optimize the design variables, an orthogonal numerical test method is presented. First of all, the oxygen decompressor stress sensitivities to pressure, inertia force, elastic modulus and...

IOT applications in the field of agriculture is an important part of modern agricultural development, it brings agriculture to digital and information era, and it is an important direction of agricultural development in the 21st century. With the advent of the cloud era, big data has attracted more and...

Since China's reform and opening up, China's emerging third-party logistics providers investment main body presents a trend of diversification, management mechanism and market idea is market-oriented But the logistics enterprises of production operations are not familiar with or ability is limited, more...

In recent years, all kinds of frequent occurrence of unexpected events, damage is very serious, affect the range is very wide. These sudden public events not only cause great loss of life and property, but also affects the social stability, and even endanger the national security, the economic society...