A new method of target detection based on region segmentation was proposed for the problem of reciprocating pumps and other disturbances for segmenting moving foreground. In this method, the background region is segmented by means of mean and variance, and divided into static background area and dynamic...

This paper describes a decoding method using the accelerated Hopfield neural network, in order to address the high complexity of decoding for modulo operations-based fountain codes. The method constructs a neural network model based on a non-linear differential equation, and runs the model after setting...

With regard to two dimensional Direction-of-Arrival (2-D DOA) estimation in sparse array, this paper presents a singular value threshold based estimation of signal parameters via rotational invariance technique (SVT-ESPRIT) algorithm. Firstly, a signal model of DOA estimation based on matrix completion...

Objective: To study the molecular mechanism of P.cocos in the treatment of Jaundice by building molecular networks and comparing canonical pathways. Methods: Target proteins of P.cocos related genes of Jaundice were searched from Pubchem and Gene databases online respectively. Molecular networks and...

An adaptive fuzzy network method is proposed for measuring flexible truss deformation by using situ strain in this paper. The relation matrix between strain and arbitrary deformation nodes of truss is first derived by using inverse finite element method. Based on the elements of matrix, strain measuring...

Compared with conventional display technology, holographic projection technology has outstanding advantages. The phase retrieval algorithm is a key image processing algorithms in holographic projection technology. The constringency speed and precision of these algorithms need to be raised. The performance...

In this paper, the front-end transmit visible light communication circuit design are discussed. The first part focuses on the design of visible light emission circuit in response to the high speed, low power consumption characteristics of the LED light source to do a consideration, based on the detection...

This article discusses the software demodulation bit synchronization system implementation. According to the characteristics and DSTFT DQPSK signal demodulation characteristics studied a bit synchronization algorithms: synchronization based on the instantaneous frequency measurement position, the signal...

When you start from the prone ESG monitor low latitudes delayed by six schools and cannot be calibrated by two questions, we analyze the reasons for the constraints and six school and calibration phase, obtained ESG can monitor calibration No normal with the latitude and elevation angle of peak to peak...

According ACE_TASK technical solutions to achieve a single internal software bus speed data transfer capabilities. First ACE_TASK framework of the research, design, message block format used to transmit data, and to implement a message queue mechanism. Then, by introducing flexible bus interface based...

In this paper, the use of mobile offshore base station to accurately determine the relative position of the target space and the use of methods, described in detail the relative positioning of the mobile base station technology is an important part of the project to carry out measurements at sea. By...

Parameters extraction of precession targets are important information source for ballistic target recognition. Aiming at the limited ability of extracting targets parameters with single radar, an algorithm based on uniting the multi-aspect observation information is proposed to extract the precession...

The performance of contemporary weapon systems has been enhanced by the development of military high-tech, which makes the maneuverable warhead as a new challenge of ballistic midcourse tracking. Aiming to solve the maneuvering warhead tracking, nonlinear filter algorithm, which is specially designed...

Civil urbanization increased dramatically which caused the problems in every aspects of human settlement, such as marginalization of migrants, urbanization lags industrialization, urban sprawl, expensive housing, and automobile pollution. These problems attract public and academic attentions by affected...

With the rapid development of power electronic technology, microelectronics technology, modern control theory and material science, AC speed control system and electromechanical integration technology presents a broad development and application prospect. Therefore, it is has become a challenging new...

The enterprise should break the situation that the technological collaboration and market collaboration are separated from each other, which should set up the technological collaboration and market collaboration management from the angle of total collaboration management; it is a very urgent issue under...

The commonly used linear interpolation methods in the NC system are point by point comparison method, digital integration method and minimum deviation method. All of these interpolation algorithm need operation in each feeding period, which consume CPU time severely, and makes the stepping motor vulnerable...

Coupling of small tip clearance and circumferential grooves of axial-flow compressors significantly improves the stability margin, as well as pressure ratio and efficiency. Different groove depth under coupling of small tip clearance and circumferential grooves has been designed for the isolate subsonic...

The malicious behavior seriously reduce the performance of ad hoc networks. To solve this problem, we propose a secure routing algorithm TLS-DSR. It applies improved the bayesian trust evaluation model to optimize the routing algorithm. The simulation results using network simulator NS-2 demonstrates...

Dual-Tree Complex Wavelet Transform is an enhancement to the discrete wavelet transform, with important additional properties: it is nearly shift invariant and directionally selective in two or higher dimensions. And also can overcome the problem of distortion in spectrial and spatial resolution of fused...

Image quality is often affected in many ways by the atmosphere, especially in foggy weather conditions. Dehazing is a highly demanded operation within the domain of image processing for various applications. The paper proposes a new single-image dehazing algorithm based on the single scale retinex (SSR)...

In the observation of laser signal transmission in the rain, the attenuation ratio with the change of the size of the raindrops, the smaller the smaller the attenuation. In Mie scattering theory, with Weibull distribution model of raindrop size distribution and calculate the laser beam transmission in...

Bus load forecasting is the foundation to make power grid to be secure, economic and efficient, and also is the concrete measure and effective way to promote national energy saving and emissions reduction. Based on daily load curve of typical areas, and by means of subtractive clustering, the regional...

In this paper, in order to calculate the acoustic scattering of the duct, a thin-body boundary element method (BEM) has been proposed and the velocity obtained by the acoustic velocity formulation is use1d as the Neumann boundary condition on a rigid scattering surface. The radiated sound pressure and...

As information systems become larger and more complex, maintenance and failure recovery become more difficult. Usually, these information systems monitor system state and business logic by logs or events. Analyzing these events which contain vital information in-depth is very necessary for both business...

Nowadays, with the fast improvement of mobile device capability and mobile application development technology, mobile applications with diverse functionalities are gradually becoming an indispensable part of our daily life. When using a mobile application, user's usage behavior could generate some useful...

This design adopting 80C51 microcontroller and a few external circuit to control lights, using silicon controlled dimming technology, by means of single chip control bidirectional thyristor turn-on to achieve incandescent lamps (resistive load) brightness adjustment, thus achieving the photometric light...

Fire control radar is a key detection sensor that decides the result of war in the modern electronic warfare, which is considered as the main combat target by the enemy. In order to improve radar anti-coutermeasures ability, from the basic idea of HLA, in combination with the federation development process...

As the increasingly developing of computer intelligent industry with automation, intelligent robot has widely been used in various industries. Currently, most of domestic fruits are still picked by manual work. However, manual picking method enhances the fruit farmer's financial costs due to the worker...

As typical memory elements, memristor and memcapacitor have attracted much attention. In this work, we investigate the characteristics of the voltage controlled memcapacitor. Furthermore, the memristive circuit which is based on LC contour and consists of memcapacitor and memristor is also researched...

The whole interplanetary space is full of solar wind, which is a charged high-velocity flux of particles ejected during coronal expansion. In consideration that solar wind is fluid, and it will be obstructed to generate turbulence when it is dispersed, k-ε turbulence models are selected by ANSYS FLUNT...

The formation of digital society provides an easy and efficient information channel for social management. In essence, the management of mediated society is information management based on big data. Monitoring and analysis of network public opinion centered on the information from the "we media" can...

In this paper, we consider all aspects of sensitive information of cyber psychology of cross-border multi-ethnic language, and use the method of combining the theoretical research and empirical research to carry out the analysis and countermeasure research about sensitive information of complex cyber...

To further explore the correlation between courses, university culture revision of the scheme provides the basis of quantitative analysis, through the data mining method for correlation analysis of student course grades, the improved Apriori algorithm is performance data in the transaction database is...

Currently, there are many methods that can implement direct digital synthesizer (DDS) including ROM look-up table method, Cordic algorithm and so on. Traditional DDS usually adopts the method of look-up table, which needs ROM to save a lot of waveform data. But the frequency resolution of DDS depends...

This research aims to study the acoustic noise prediction and reduction of helicopter ducted tail rotor. A thin-body BEM/FW-H method is developed to accurately predict the noise in this paper. It is a hybrid method combining computational aero acoustics with Boundary Element Method (BEM) and can be used...

Proposed a positioning method for high dynamic distributed platforms combined two-way microwave ranging with short baseline interferometer angle measurement. Effectively suppressed Doppler interference while ranging based on the frequency and time characteristics of broadband Positive and negative slope...

Students' comprehensive quality evaluation, is the important content for transformation of education and talent cultivation. This paper based on the training mode and the evaluation system of West Point, through the expert investigation method, a wide range of questionnaire investigation, establishing...

The development of the Internet finance has formed a huge impact on the current China's financial system, which inevitably has a major influence on the field of personal finance. The empirical analysis has carried on for the influence by using the survey data in this paper. The results show that factors...

In this paper, the Logistic model of population forecast, gray theory, neural network model, regression analysis and curve fitting are used to analyze and discuss the region of North China where is in heavily lack of water resources. Firstly, the water demand model and water supply model based on Logistic...

Weather navigation play an important role in real-time sea navigation. The main researches about weather navigation include establish the meteorological model based on the meteorological data, and according to the real-time sensor of marine information combined with weather navigation algorithm plan...

Under the background of the development of computer technology and information technology, the smart home network has been gradually improved, surpassed the previous development, and gained new progress. The realization of smart home system needs network security technology as a guarantee. Although the...

Using high precision laser ephemeris as reference, the precision of orbit prediction is analyzed of an analytical model which is formulated by quasi-analytical average method. The result shows that: the orbit prediction accuracy of MEO and LEO satellites is several hundred meters in 1 day and not more...

This article describes a test method for the pulsed laser beam divergence angle. Pulsed laser focused through the imaging optical system, the light spot formed on the CCD camera and image analysis by an image of the spot, the spot diameter is obtained, to calculate the value of the divergence angle of...

One of the hotspots in the field of computer vision is binocular stereo vision, fisheye images with its ultra-wide viewing angle in the field of computer vision has been more and more popular. Image mosaic image with a spatial overlap region of the same scene at different times, different perspectives...

In this paper, the aerodynamic and acoustic performances of an aerial propeller are evaluated. In the aerodynamic analysis, the RANS (Reynolds-averaged Navier–Stokes) method combined with CFD (Computational Fluid Dynamics) technique is used. The acoustic analysis is based on Farassat 1A which derived...

HPDH-LZW is a reversible data hiding scheme based on Lempel-Ziv-Welch (LZW) compression codes. It could achieve better hiding capacity by increasing the number of symbols available to hide secrets and faster hiding and extracting speeds due to the lower computation requirements. HPDH-LZW scheme embeds...

According to the differential equations of heat conduction on cylindrical and spherical coordinate system, numerical solution of the discrete formula on cylindrical and spherical coordinate system with high accuracy were derived. Compared with the analytical solution, this discrete formula was verified...

Dynamic simulation is an effective way to test the fuze performance. The simulation realization of fuze environmental is the premise and foundation of fuze performance test. Simulation fidelity directly determines whether the fuze quality data is scientific and effective. In order to accurately and dynamically...

In this paper, develop the monitoring system of ship steering gear with configuration software WinCC. It communicates with PLC controller through OPC protocol, and as a WinCC server of the distributed system, providing the process data to the WinCC clients. It takes Kawasaki pump controlled hydraulic...

Cartogram is a map depicting attributes of spatial data by distorting two dimensional original maps while preserving their topology. In this paper, a novel cartogram thematic map is adopted to express population growth. The best fitting model is proposed to predict the population of randomly selected...

This paper first introduces the structure of the track wheel, and according to a number of classification criteria for the classification of the track wheel; Then summed up its low weight, low shock, low noise, low grounding pressure, high flexible, high speed, quickly changeable and other unique advantages;...

The optimal stations distribution for a single source target is proposed to improve performance of four stations passive location system based on time difference of arrival (TDOA) measurements. Geometrical dilution of precision (GDOP) is obtained by deriving Cramér-Rao Lower Bound (CRLB) firstly. Then...

By studying gear meshing force variation law, the function damage effect of involute gear transmission system under the situation of the structural damage can be obtained. It can provide the basis for the quantitative evaluation of function damage effect for gear transmission system. A computation method...

The era of big data, more and more huge amounts of data, the value of data is becoming more and higher. The loss of any data will give users bring huge losses. So the enterprise internal email system security is paid attention to by the large number of enterprise managers. This article focuses on the...

Inspired by the biological process of "shark foraging", this paper proposes a novel greedy routing algorithm based on the "odor diffusion mechanism" and "shark greedy foraging mechanism". The algorithm doesn't need the location information, and it can transmit packets to the target node quickly, which...

Stratified teaching model is a new teaching model that widely used for various universities, this paper is given curriculum arrangement system design combined with genetic algorithm for the stratified teaching model. This paper, firstly, analyzes the demands and introduced constraints to intelligent...

For the initial clustering center usually choose the randomness of the problem, the pa-per proposes a new initial clustering center selection method. first, the algorithm calcu-lates the Euclidean distance of all data to the origin of the coordinate, and then evenly divide the k class, at last, the average...

Cloud computing, which revolutionizes application development model, is an inevitable trend in the development of IT technology. Cloud computing providers sell Server Platform (IaaS), development environment (PaaS) or software application (SaaS) to users. As for PaaS, a separate database as a service...

An elastic load balancing mechanism in cloud computing environment is studied in this paper. The mechanism that uses kNN (k-Nearest Neighbors) and Naive Bayes classification algorithms in machine learning can effectively solve the problem of resource allocation lag by predicting the future load trend...

The fatigue recognition process based on visual, using a single feature to fatigue driving, often by the universal applicability, the influence of factors such as noise, leading to the recognition rate is reduced. Characteristic parameters in order to solve the eye or mouth feature parameters of the...

Task scheduling algorithms in heterogeneous computing environment often provide limited perfor-mance owing to their low efficiency. This paper models and implements the first two phases of the Critical Path (CP) on a Processor Algorithm with the functional programming paradigm. Firstly, an overall research...

The sample of Zn3V2O8 has been preparation by high temperature solid phase method with fluxing, and studied the effect of preparation condition and the luminescence property with fluxing. The results of phase studied show that the crystal morphology was improved, the reunite of grain crystal was decreased,...

In view of analyse the theory of calorigenic and heat dissipating, take temperature effects of oil viscosity and density into the thermodynamic model considering a phenomenon that the hydro-pneumatic spring damaged in the bench test by temperature rise too high. Designing a bench test of hydro-pneumatic...

Inspired by the biological habits of ants, the paper proposes a new routing algorithm for deep sea sparse networks without geographical location information. After absorbing the essence of the traditional ant colony algorithm, the new algorithm introduces the "smell" pheromone into the path construction....

Biomass energy belongs to low carbon energy, and it plays an important role in gradually changing China's energy structure dominated by fossil fuels. Therefore, research on low carbon issues of biomass power has great significance in application and planning of biomass. Firstly, this paper puts forward...

The aim of this study is to evaluate pavement temperature distribution by in-situ testing. Temperature data were collected and analyzed at daily, monthly and yearly time scales based on the Gan-Chong highway. The test results on the temperature data indicated that pavement temperature in different depth...

High-precision implementation of trigonometric function has been important in navigation, engineering, physics and other modern DSP. It presents an implementation of trigonometric function based on Taylor expansion in this paper. This means can calculate the value of trigonometric function at any angle....

The rapid development of graphic and image processing technologies of computer not only bring about convenience to people's daily life and work, being widely applied in various fields, but also bring along the development of relative industries, greatly attracting people's attention. This thesis discusses...

A three-dimensional measuring method for pavement based on multi laser displacement sensors is proposed to establish a complete and powerful database of pavement shape. Model of the measuring system based on this method is established and analyzed. Data generated by sensors, including data of laser displacement...

In this paper, we introduce the six-axis force sensor used for detecting the human-machine interaction and predicting the wearer' s movement intention of the lower limbs powered exoskeleton robot, including the mechanical design, parameters determination and finite element simulation. With the help of...

Among different strategies for Artificial Neural Networks and learning calculations, Self-Organizing Feature Map (SOFM) is a standout amongst the most well-known models. The point of this study is to order features affecting the natural yield and yield of Maize utilizing Self-Organizing Feature Map calculation....

Most of the small hydropower has no power regulation capacity, which affects the operation of the power grid. By analyzing the average daily output characteristics of a single small hydropower station, it found its power curve quite different. The small hydropower in the similar geographical environment...

The vibration problem of the vehicle in the running process due to excitation by various external loads and the transmission part of the resulting, in this paper, based on the theory of modal analysis, the natural frequencies and natural modes of a hybrid electric city bus frame are solved. The result...

In order to avoid certain types of voltage sags, this paper proposed an optimal method to allocate D-STATCOM capacity, which is based on Investment Decision Theory and a 10kV distribution line equivalent model. In addition, the Investment Decision Theory was presented in this paper, in order to establish...

The LMX2531 is a low power, high performance frequency synthesizer system which includes a fully integrated delta-sigma PLL and VCO with fully integrated tank circuit. The third and fourth poles are also integrated and also adjustable. Also included are integrated ultra-low noise and high precision LDOs...

The technical principles and characteristics of the infrared thermal wave nondestructive testing technology have been reviewed in this paper. Compared with five conventional nondestructive testing methods, the advantages of infrared thermal wave nondestructive detection technology are highlighted. In...

Multi-channel Transient Electromagnetic method (MTEM) is a method with the ability to detect deep and precisely. It is a hot topic in the electro-magnetic field. This thesis works on designing a full-waveform recorder for monitoring high-power electrical transmitter. It is composed with hardware and...

This paper designs a new rolling machine intelligent control system for greenhouse based on Internet of things (IOT). This system consists of ZigBee module, light sensor, controlled circuit, remote control unit, mobile, computer, AC contactor, limit switch, display circuit and keyboard. According to...

The overall design of multiple channels synchronous wideband LFM signal generation technology takes the chip AD9914 as the core. It utilizes the method of Direct Digital Frequency Synthesis (DDS) to generate LFM signal. And it realizes the system control by FPGA device. Multiple channels double wave-band...

A color multi-focus image fusion of self-feedback algorithm based on lifting wavelet transforms. Firstly, the basic principle of lifting wavelet transform is discussed. Secondly, considered feature of human vision system, the color images are transformed into YIQ color space and different fusion rules...

Robot path planning is an important content in the field of robot research. Robot Path Planning is a typical multi-objective optimization problem. The path length, the degree of path smoothness and the degree of security are the optimization objectives in this work. And an improved multi-objective PSO...

Aiming at the high-speed and huge-capacity data cache and transmission caused by real-time signal processor for high-resolution SAR, this paper presents a design for the high-speed and huge-capacity data acquisition system based on DDR3 SDRAM and RapidIO. Data cache is realized by MIG3.92 IP core in...

In order to improve the Quality of service (QoS) and the Quantity of user Experience, overlay network visualized the network application and underlay structure. An algorithm named MOO-GSON is proposed uses Multi-Objective Optimization (MOO) to construct the General Service overlay network (GSON) topology....

The article analyzed the impulse noise characters of the image, proposed an improved Intersecting Cortical Model. The model has to rely on the concept in the respective processing time (node) independent information, threshold function related with the number of iterations. We will introduce the timed...

This paper presents a self-adaptive medical image fusion method based on combining NSCT and Unit-Linking PCNN together. Firstly, for the strictly registered image to be fused, it will be decomposed at different directions and scales by utlizing nonsubsampled Contourlet transform (NSCT) to obtain low...

A novel algorithm for image fusion based on improved Radial Basis Function named Compactly Supported Radial Basis Function (CSRBF) and fast partition interpolation is proposed. Empirical mode decomposition (EMD) construct the implicit surface for approximating the 3D points set by using RBF for reconstructing...

Due to the electricity power is the foundation of economic development, reasonable and accurate electricity demand forecasting not only helps to develop electricity power planning scientifically, but also has important reference value to the economic development planning. In order to integrate different...

With the popularity of web application, its reliability is getting more importance. In this paper, we explore a method to generate web application reliability test cases based on log analysis. This method consists of four steps or modules: preprocessing logs, constructing Markov chain, generating test...

This paper presents a design of automatic STC MCU program downloader based on CH340G USB serial converter chip. The user through the host computer to achieve the STC 5V/3.3V MCU to erase, program, check and encrypt. The download device is not required for MCU control, and has the advantages of simple...

In the field of machine learning, support vector machine is a supervised learning model which can analyze the data and identify patterns, and this theory is used for classification and regression analysis which is related to the learning algorithm. Support vector machine is a new machine learning method...

Corner reflector is a common passive electronic countermeasure, which has the advantages of low cost, high effectiveness, etc. In this paper, the complex motion scattering point with translation, acceleration and vibration has been established in order to solve the problem of identifying ship and corner...