Functional magnetic resonance imaging (fMRI) has become one of the important tools of functional connectivity studies of the human brain. Fuzzy clustering method (FCM) is a common method for analysis of fMRI data. Traditional FCA methods measure the similarity between the BOLD time course of a centroid...

In this paper we try to focus on the adaptive IT system’s capability of an enterprise, which describes the organization’s IT ability to support changes in firms’ products, services, business processes, organizational structures and competences when necessary. Based on the multi-agent simulation methodology,...

An antenna array composed with power divider and small antenna at the operating frequency of 2.5GHz is designed and investigated, and the main radiation beam of the antenna array can be controlled by bias voltage. The measured results show that the main radiation beam of the antenna array has good directivity...

Importance of biometric user identification is increasing everyday. In recent years, the iris recognition technology is considered to be one of the most promising biometric recognition technology. The selection of iris features has become an important issue in the field of iris recognition. In this paper,...

User involvement is playing a more and more important role in the system developing cycle.Meaningful user involvement in systems development and an overall user orientation is critical to the success of any development project. This paper will concern with the definition of user involvement, why it is...

With the virtual surgery simulation system playing an increasing role in the medical filed, this paper puts forward a method of reconstructing a virtual gallbladder geometric model based on the OpenGL graphics library. Firstly, we can use 3ds Max software to build a gallbladder model and write program...

As the important subfield and the quintessence of Artificial Neural Network, BP Neural Network accelerated the development in this field. BP algorithm uses the steepest descent algorithm, thus there are two main shortcomings of slow convergence rate and easy to fall into local minimum. According to this,...

By the CAD software Pro/Engineer and dynamics simulation software ADMAS, the XX breech mechanism virtual prototype is established. At first, the 3D modeling of the XX Breech Mechanism is generated with the parametric design and virtual assembling, then the restriction and dynamic power is added on the...

Although there are many Rogowski coil current transformers being widely used, its stability and accuracy of measurement is not very good due to the effects of various factors. In practice, there are still some new interfering factors. In this paper, the principle of a new interference factors is analyzed,...

This paper presents a strategy to make reactive compensation scheme in wind farms, combing wind power prediction with voltage and reactive power integrated control. Firstly, the wind power can be predicted by using ARIMA model. Secondly, the latter two can be calculated since there is a relationship...

In this paper, three kinds of prediction models based on time series analysis method are studied. Largely the process of building the wind farm short-term power forecasting model is discussed, mainly including sequence preprocessing, model identification, model order judging, parameter estimation, model...

Based on J. A. Mas 's law and the characteristics of lead-acid battery charging, provided a intelligent and dynamic Charging ideal with a fuzzy control ideal. Experiments show: The systems based on fuzzy control enable the charging current to achieve real-time changes according to the acceptable current...

Nowadays, the active frequency drift with positive feedback (AFDPF) islanding detection method which can solve the islanding of photovoltaic (PV) systems is widely used. However, the traditional AFDPF method may cause some problems such as the missing detection of islanding and the extension of detection...

This paper presents a micro-certificate based authentication protocol, which is lightweight and can be used in the internet and in the internet of things. The micro-certificate is a small, and is a dynamic certificate that changed each time and can improve the security of authentication protocol. The...

Manpower allocation determines the competence of the companies. Scientific manpower allocation calls for accurate evaluation on the abilities that the employees have for the posts. In this paper, we first present a general fuzzy clustering model for manpower evaluation for companies. To verify the approach,...

The stock market is a kind of complex system with all kinds of interactions. It also shows a nonlinear characteristic. In this paper, we analysed the time series from Dow Jones indexes itself and the time series from its fluctuation difference and extracted its correlation dimension and Lyapunov exponent,...

To resolve the tracking problem of nonlinear/non-Gaussian systems effectively, this paper proposes a novel combination of the cubature kalman filter(CKF) with the particle filters(PF), which is called cubature kalman particle filters(CPF). In this algorithm, CKF is used to generate the importance density...

Proposed a static gesture recognition method for identifying characteristics of the object in combination. With the feature vector composed of five features, such as the number of fingers, gesture outline convex defect characteristics, the length and area of contour and Hu matrix, we adopted the template-matching...

The multiresponse polynomial regression models are deal with by a linear combination to the responses for getting a manageable single-response model. Based on this method, prove that the symmetric design is optimal in the case of multiresponse polynomial regression models in symmetric domains.

Pre-emphasis of LVDS driver for HDMI transmitter (HDMI-TX) is designed and implemented in this paper. HDMI supports high bandwidth and long distance transmission. However, HDMI cable high cost and instability limit its application. Therefore pre-emphasis of LVDS driver is proposed. Compared with traditional...

Wireless sensor network (WSN) is widely applied in many fields since its emergence. However, the limited resources of a sensor, especially limited battery life, limited bandwidth and limited processing power, are the main challenges for deploying and operating WSNs. This paper proposes a novel architecture...

In HMM risk assessment of network, relationship between the nodes is the key part to compute the state transition matrix. The change of IDS alarm level has property of randomness. To calculate the value of the IDS alarm as the input of HMM is based on the Bayesian algorithm model. Using HMM model, probability...

In the life cycle of Tactical Data Link (TDL) system, the simulation is an indispensable key. This paper places emphasis upon a new object-oriented modular simulation framework—OMNeT++, and polling protocol of MAC layer is explored under its environment. Besides, TDL simulation model and Link11 network...

This article describes a novel multi-dimension combination signal detection algorithm based on the space-frequency-energy domain for the raw data derived from high frequency (HF) wide band direction-finding (DF) systems. According to the HF wide band DF data, the time-frequency-power spectrum and its...

Taking into account the requirements of the data processing and transmission of a large number of real-time monitoring information for the server hardware resources while establishing national ammunition warehouses, a national ammunition warehouse distributed test system is established based on the grid...

The traditional cost function, minimization mean square prediction error is not a proper cost function in chaotic series prediction, for many chaotic signals are non-Gaussian distributions. Then we present using minimization error negentropy as new cost function, and derive the nonlinear approximation...

Traditional data filling algorithms take the unified method to fill the incomplete data, leading to the low efficiency for filling a large number of incomplete data. This paper proposes a novel algorithm for filling incomplete data based on attribute reduction. The presented algorithm first uses the...

A multi-channel coordinated spectrum sensing method based on improved Genetic Algorithm is proposed to tackle low throughput issue due to inefficient signal channel serial detection in conventional cognitive radio. The proposed method detects different spatial frequency channels with multi-antenna of...

In order to reduce the complexity of traditional multithreaded parallel programming, this paper explores modern task-based parallel programming using the Microsoft.NET Task Parallel Library (TPL). Firstly, this paper utilizes the two main parallel programming models: Data Parallelism and Task Parallelism,...

This paper presents a Ku-band predistortion linearization for traveling wave tube amplifiers(TWTAs), it is composed of GaAs Schottky diode and resistor-terminated transmission line. By controlling the DC bias, the linearizer is capable of providing different combinations of the amplitude and phase characteristics....

Aiming at improving the speed precision especially when there are more than one targets run through radar speed instrument at one time, we discuss the relation between the key performance parameters and speed precision as well as speed resolution. Then the main defects of the current traffic speed radars...

The digital campus is a main platform for carrying out education information of colleges, its security and stability can directly affect the education, scientific research and management of colleges whether can normal proceed. This paper analyzes the four main factors about effecting the high availability...

Certificateless short signature can not only have the advantage of certificateless signature, but also provide a short signature size in communication. However , all existing certificateless short signature scheme only proven secure against a normal adversary which can only obtain the valid signatures...

In order to compensate the nonlinear error of passive all-fiber optic current transformers (AFOCT) in the case of large current input, a new method based on the inverse function correction is presented. Taking the feature of the AFOCT’s nonlinear response into account, a high-order signal is produced...

The k-means algorithm is widely used in many applications due to its simplicity and fast speed. However, its result is very sensitive to the initialization step: choosing initial cluster centers. Different initialization algorithms may lead to different clustering results and may also affect the convergence...

With the installed wind capacity increasing rapidly, the security, stability and economic operation of the power grid have been influenced because of the randomness and volatility of the wind power. Wind power prediction is an effective approach for the above problems. This article is about the theory...

IBE (Identity-based Encryption) technology, no digital certificates, is user-friendly and convenient for back-office management. It simplifies the key management process of a public key cryptosystem and diminishes the cost of application. This paper presents the thought of IBE systems, and analyzes the...

On digital image steganography, the traditional LSB method usually makes the histogram’s change relatively large after the image steganography; therefore the hidden information can be detected easily. This paper puts forward a new method which based on the nonlinear optimization to determine the best...

In China, the mobile devices, especially smart phones and tablet PCs have been growing up with an astonishing speed. Meanwhile Building Information Modeling (BIM) has been one of the most promising developments in the architecture, engineering, and construction (AEC) industries. Since there are very...

Ensuring security plays a significant role in main-taining the stable operation of vehicular ad hoc network (VANET). Actually, it’s impracticable to evaluate the precise value of packets’ transmission success rate within a short time due to the uncertainty of environmental information collected. To reduce...

Emotion recognition is an important part in affective computing. It is the basis of building a harmonious man-machine environment. Respiratory (RSP) signal and electrocardiogram (ECG) signal are one of the main study objects in the emotion recognition based on physiological signal. The variations of...

In this paper, we propose a new secure communication synchronization system which exploits the combination of the fourth-order hyperchaotic system and the synchronization theory. We study the fast encryption and decryption methods of the images and the performance analysis of the secure communication...

The image splicing method is commonly used for forged digital images. This paper proposes a detection method for the splicing image. By the color filter array interpolation, the original image is estimated and the consistency of the adjacent pixels is reconstructed. Use the adjacent pixels consistency...

Based on the theory of the regular Hermite interpolation polynomial, two new calculating methods including undetermined coefficient and Lagrange interpolation have been proposed to solve the complex irregular Hermite interpolation polynomial.

This paper is oriented to the design and analysis process of the high-level band sawing equipment, and studied the modeling and the simulated optimization design method for the high-level band sawing equipment based on the unified modeling language. The unified constraint model is used to describe the...

We address the problem of precise ranging between trains in non-line-of-sight (NLOS) environment using a NLOS (Non Line of Sight) ranging radar. By calculating the phase delay of the received and transmitted OFDM (Orthogonal Frequency Division Multiplexing) waveform, we achieve the target of ranging...

With the rapid development of Internet, some bad behaviors such as network attack and bandwidth abuse become more and more serious, result in wasting the limited resources of network. Cernet2, the experimental IPV6 network, is suffering from the shortage of monitoring resources, so how to maximize the...

How to accurately and rapidly detect traffic attack is an important security problem in wireless sensor networks. An energy-efficient ARMA-based traffic attack detection protocol is proposed in this paper. The detection protocol uses linear prediction to establish easy ARMA(2,1) model for sensor nodes....

Nonsingular H- matrices play a very important role in matrix analysis and numerical algebra. Based on the concept and properties of the generalized strictly diagonal dominance matrices, we partition the row and column index set of square matrix, construct a positive diagonal matrix according to the elements...

This paper introduces the current world popular embedded Linux operating system, the latest ARM series chip and several digital sensors , such as temperature, humidity, light and so on, which are applied in the data acquisition terminal of the hospital environment intelligent monitoring system and used...

In the intra-frame coding of H.264/AVC, information hiding can be implemented by modulating the prediction modes of 4×4 luminance blocks. Since this kind of method has characteristics of high speed, good concealment and so on, it has become a great security threat. Therefore, it is necessary to study...

With the development of the medical treatment and public health field, the higher quality of hospital environment is required. This paper presents an intelligent hospital environment monitoring system based on the Android platform to overcome the present monitoring problems, such as incomprehensive monitoring...

In order to overcome the difficult in extracting the fault feature of nonlinear and non-stationary signal in radar transmitter, the concepts of Instantaneous Frequency (IF) and Intrinsic Mode Function (IMF), and the specific process of Empirical Mode Decomposition (EMD) and Ensemble Empirical Mode Decomposition...

With the fast advance of communication technologies, there is an increasing demand of efficient operations in low-power roaming environment. Several protocols came into being successively, yet for special requirements in automobile roaming system such as low consumption, high performance and convenience,...

A latest optimization algorithm, named Teaching- Learning-Based Optimization (simply TLBO) was proposed by R. V. Rao et al, at 2011. Afterwards, some improvements and practical applications have been conducted toward TLBO algorithm. However, as far as our knowledge, there are no such works which categorize...

In 2011, Lee et al. improved Hsiang et al.'s scheme and proposed a security dynamic ID-based remote user authentication scheme for multi-server environment using smart cards. They claimed that their protocol is efficient and can resist several kinds of known attacks. However, we observe that Lee et al.'s...

A new control system of DC source of plasma arc welding was designed according to the shortcomings of time-varying and nonlinearity in the design process of DC source of plasma arc welding and traditional control algorithms could not be overcome these disadvantage. Main circuit and control circuit were...

Strapdown three-axis magnetometer needs calibration before it can be properly employed for navigation purposes. Many scalar calibration methods have been proposed to determine the calibration parameters. However, most calibration approaches seldom describe the influence of sampling distributions on the...

The system of systems (SoS) possesses essential characteristics of autonomy, evolvement and emergency, which can only be studied from the aspect of SoS behavior. Modeling and Simulation (M&S) can cope with SoS complexity and study its behavior more efficiently at lower costs. Considering the multi-subsystem...

Nowadays with the increases of the density of large scale integrated circuits, researches of Design for Test (DFT) become more and more important. JTAG (JTAG: Joint Test Action Group, also called Boundary Scan) has been widely used in test area, which improves the testability and reliability of mixed-signal...

Broadband equalizers are widely used in radar systems to compensate for inconsistencies in broadband TWTA’s gain response. But few of them are tunable. This paper provides a kind of 6-18GHz coaxial broadband equalizer. The result shows this equalizer is not only small in size, but also convenient to...

Medical image registration is very important in many areas and some methods for image registration have been proposed in these decades. However, it is still a serious challenging to estimate the results of medical image registration, because there have been not a golden estimation criterion presented...

In this paper, a client-side intelligent paging (CIP) algorithm based on JavaScript technique is proposed. CIP algorithm can intelligently turn a large-scale HTML document with an intricate DOM tree into more manageable pages with relatively simple structure of DOM tree. There are two main co-dependent...

A field programmable gate array (FPGA)-based hardware/software co-verification scheme is proposed for the design of orthogonal frequency-division multiplexing (OFDM) baseband systems. It provides a platform to simulate the software implementation and verify the hardware implementation of a baseband OFDM...

In order to solve the problem of large range of target motion and targets mutual interference in Two-dimensional Cross-Moving Motion Simulation System with Multiple Objects, a multi-objective system is designed, which consists of a number of independent two-dimensional motion simulation systems, and...

The demand for digital rights management (DRM) in P2P mode is increasing accordingly along with rapid popularity of the P2P networks. The key points in DRM are the management and issuance of digital content licenses. The traditional centralized authorizations have certain limitations in security and...

The recognition of transformer partial discharge patterns is helpful for evaluating insulation condition of transformers.Six typical kinds of partial discharge patterns are tested in the study.Based on the characteristics of the data,the partial discharge patterns were divided into several classes. Thus...

In this paper, we investigate the low leakage design method for near-threshold circuits with gate-length biasing techniques. A cost-effective gate length optimization method is presented. The basic logic gates and two full adders with gate-length biasing technique are implemented and simulated using...

The air collision avoidance system is an important measure to ensure the flight safety. One of the sticking point of collision avoidance is surveillance precisely and reliably. So, it is necessary to develop an independent and reliable air-air surveillance system. A TCAS/ ADS-B integrated surveillance...

Due to the large range of loose accumulation's grain size, traditional methods almost can not reasonably determine the grain size distribution.In this paper,there is a rapid measurement of its grain size distribution based on digital image processing technology. This method avoids the field sampling...

M-commerce security middleware is one of methods to achieve secure application. A micro SD card based security middleware is designed for new generation mobile commerce system constructed on the basis of SOA and using Web Service, smart mobile terminal, combining the commercial flow with technical flow....

Accurate analysis of athletes’ video is an effective technical way to improve the training effect, and the realization of tracing of athletes in the skilled video is essential for its analysis. Based on OpenCV (open source computer vision library supported by Intel) technology platform, we realize the...

When evaluating the efficiency of the commanding information system, the results are always questioned because of the fuluctuation of the data used. The article introduced a method which is suitable to measure the reliability of the evaluation efficiency of the commanding information system as per its...

In recent years, semiconductor manufacturing process has made great progress. To avoid lithography hotspots and enhance the yield of integrated circuits, we can use Model-based Optical Proximity Correction (MBOPC) to improve image fidelity and printability. However, the optical lithography simulation...

Registration algorithm via various similarity measures is presented in this paper. Image registration is a process of align images so that they can get the same structure in the same spatial locations. During the registration, similarity metric is very important to measure the result as a standard. Different...

In this paper, we introduce a new approach to finish reverse k-skyband (RkSB) query which returns all the points in given dataset P whose dynamic k-skyband contains specific query object q. The main ideas include reuse technology and early stopping. The former save the information of node accesses during...

Intelligent electricity utilization is a topical and difficult subject in the study of smart grid. Current energy management systems do not have the capabilities of energy specific monitoring and management. Therefore, this paper addresses this deficit by introducing a data warehouse based energy management...

Parallel computing techniques were introduced to improve random walk algorithm. A formal model was firstly adopted to explain the random walk problem. And then, the parallel features of random walk algorithm were discussed in detail. Finally, a parallel random walk algorithm was proposed and applied...

The classical Turing machine model has defects in centralized control, sequential and determinate execution. So it is difficult to describe the computing in parallel environments and interactive systems. In this paper, we introduce several ideas for the extension of the classical Turing machine model,...

Deadlock detection and release is an important means to maintain the concurrency of task in operating system, the relationship between system process and resources is usually described by means of resource allocation graph, the core of the deadlock detection is to determine whether there is a loop in...

In this paper, a novel Figure of Merit (FOM), low phase noise, LC-tank voltage-controlled oscillator (VCO) is presented. The work presents a fully integrated 5.2 GHz VCO designed in a 90nm CMOS process. The proposed VCO features a worst-case phase noise of -130.10dBc/Hz and -133.00 dBc/Hz at 600 kHz...

The spectrum features of the external light phase of a semiconductor laser without optical feedback and with optical feedback are analysed based on the Lang-Kobayashi equations, which contributes to putting forward the measurement algorithm of feedback strength factor of optical feedback self-mixing...

the paper researched comprehensive quality evaluation system of college student, and introduces data mining method to solve mess students data. Firstly, the paper construct students’ data warehouse, then construct comprehensive multi-dimensions OLAP (Online Analysis Process) model, and through classification...

A java web-based platform for 3G and internet-Based Healthcare System was designed to enable the guardian with chronic disease to get help. Apache Tomcat is used as web server and MySQL is used as database server. The healthcare system platform provides some functions such as querying physiologic data...

K-medoids clustering algorithm is highly efficient in classifying cluster categories. Based on algorithm analysis and selection improvement of centre point K, this paper sets up a web model of ontology data set object. It tries to demonstrate through experiment evaluation that the improved algorithm...

In view of research findings made from home and abroad on clustering algorithm and the traditional partition clustering method K-means algorithm, this paper first analyses the advantages and disadvantages of this algorithm and then combines it with ontology- based data set to establish a semantic web...

How to filtering false positives is a fundamental problem of IDS. Constructing alert classification model is one of efficient methods. However, the high cost of preparing training data and classification feature selection are key points in the problem. This paper gives a semi-supervised alert classification...

The neutron detector of HIRFL (Heavy Ion Research Facility at Lanzhou) has been designed for in-beam nuclear experiments, capable of measuring neutron energy and discriminating neutrons from gamma-rays. The read-out electronics, receiving charge signals from photomultipliers of the neutron detector,...

The importance of recommender system on Social Network Services (SNS) platform has been recognized by researchers and practitioners in many disciplines, including e-commerce, information retrieval, social computing, data mining, marketing, etc. While a substantial amount of approaches focus on recommending...

Accurate detection of eyes plays an important role in human-machine interfaces. In this paper, according to some physical characteristics, a new designed device for the new real-time and effective eye detection method is proposed. In this device, two physical characteristics are applied, they are the...

In particle swarm algorithm, the introduction of glowworm algorithm, according to domain to determine a perception range, within the scope of perception of all the particles find an extreme value point sequence, which apply roulette method, choose a particle instead of global extreme value.So as to scattered...

This paper presents a shuffled frog leaping algorithm (SFLA) with comprehensive learning strategy (SFLA-CL) for global optimization. This algorithm uses a novel learning strategy whereby all other frogs’ information of the memplex is used to update the worst frog’s position. The strategy enables the...

With the Internet development, advertising becomes more convenience for advertisement provider. More and more advertisements immerge on the Internet. But, these advertisements are not based on the user’s needs; everybody on the internet can see the same advertisement. So this paper introduces a precision...

We present an automatic water simulation method in large scale virtual environment that employed mesh based approaches. To begin with, multi-hierarchy mesh is generated using tessellation technique. Then, CUDA Concurrent Kernels technique is implemented to make Fast Fourier Transform (FFT) and Perlin...

Contraposing the status of spectrum resources is tension and spectrum utilization is low, the dynamic spectrum allocation technology is studied. Due to lack of central control entity in distributed cognitive networks, cognitive users need to select channel and power for communication intellective. Based...

This paper will introduce the design of wideband frequency agility synthesizer based on method of Simulate direct frequency synthesis, the full-phase coherence Modulation and Filter bandwidth control are applied in this synthesizer as designed .The main factors and solutions of the effect of the frequency...

Denoising is a crucial step to increase image conspicuity and to improve the performances of all the processing needed for quantitative image analysis. In this paper, the main method we proposed is Non Local Means. We carried out our experiments based on 3D MR images from Brain Web. We compared The NL-means...

This paper presents a solution for force and stability meteorological window forecast system of large-scale tunnel elements based on C/S+B/S mode, through the plug-in framework design pattern, the strong coupling relationship of each subsystem can be reduced in the process of system integration; the...

Source camera detecting, which is about establishing whether or not the images of interest are taken by the same camera, is a challenging problem. Due to solve the digital image source identification problems, a new method is proposed using Cross-correlation Analysis. In the digital camera imaging process,...

For the operation of the image splicing tamper, this paper proposes a novel approach for blind image splicing detection based on statistical properties of the Benford model. Having made discrete wavelet transform (DWT) to the test image, we extracted alternating current (AC) coefficients in discrete...