Approach is proposed for determining the confidence level of the power spectral density (PSD) estimation with give Degree-of-freedom (D.O.F.) based on WELCH algorithm, a modified periodogram estimator for estimating PSD. A relationship between the random error, defined as a ratio of variance and mean...

According to the characteristics of enterprise network system, the paper designs the network information protection system of security technology and divides network system. All kinds of safety equipments are applied to system, which forms full protection system architecture.

The current analysis on honeynet log mining was facing malpractice of horizontal partitioning and insufficient data problems. By which we use Apriori algorithm with parallel processing to decrease the frequency of database scan operation and set up an improved algorithm S-Apriori, and then P-Apriori...

This study adopts questionnaire survey to analyze and comb operational risk of the electric power enterprise, and construct the index system of operational risk of electric power enterprise. Then adopt the factor analysis method and blind number theory to screen and quantify the key indicators of operational...

Based on machine learning concepts, this paper has put forward two key problems of the application of support vector regression and has given a solution to these problems. It is that the different characteristics of the sample data are decisive factors of the schemes of the selection, and the procedure...

In this paper we study some combinatorial properties and inequalities of some classes of Z-matrices. These matrices arise in many problems in the mathematical and physical sciences. We show that all (inverse) Ln-1-matrices are irreducible and some eigenvalue inequalities of (inverse) Ln-1-matrices

Deep Web query interface matching is one of the key technologies to realize rapid Deep Web data query. On the study of query interface representation, feature extraction and weight calculation, the method based on singular value decomposition is presented. It transforms the query interface set into a...

This paper describes the demand of wireless communication technology from the perspective of development trend of electric power communication construction. And then this paper describes the advantages and disadvantages of micro base station and macro base station. At last, this paper put forward the...

The computer application is becoming more and more widely. It has been applied in many aspects, such as scientific computing, information processing, artificial intelligence and computer communication. In recent years, the application of computer technology in medicine has become a hot research field,...

with the further development of Internet,rapid scales. Technology the expansion of Internet use is growing due to such rapid growth in this industry, the amount of data dealt by Internet of things becomes the feature of massive amount. The key problems that should be considered with, is how to efficiently...

The marine geological survey project is an important method of marine data acquisition,which relates to the national marine rights and interests and security. To strengthen monitoring and dispatching of survey ships and supervision on offshore projects, a marine geological survey monitoring model, based...

License Plate Recognition (LPR) is one of the key technologies of the intelligence of communication management. A certain amount of difficulties to license plate recognition are caused by the environment of rain and fog. License plate recognition system for this kind of environment is studied in this...

It is very critical to detect elder people's falling down in time for it will be harmed to them even to death if they can't be found early. Body posture detection system is based on STM32F103C8T6 as controller which can detect falling down in time from the two parts of host and slave. Data transferred...

A new multifunction filter configuration using two CFAs and six impedances is presented in this paper. The proposed circuit can realize the different function using the different impedances. The natural frequency 0 and quality factor Q can be orthogonal controlled, and the quality factor Q can also be...

At present aiming at the problem of heterogeneous database within the application system in universities, put forward a set of star data integration scheme based on Web Services. In the scheme, without changing the original application system structure and the database in universities, on the basis of...

This paper focuses on how to design the robust beamforming vectors of multiple peer-to-peer relay networks. In the context of imperfect channel state information at the relays, our goal is to minimize the transmit power at relay nodes subject to the quality of service at each receiver. A method based...

Application requirements and the business volume increased significantly, considering the performance bottleneck and single point failure and other problems, distributed file system gradually will replace centralized storage. This paper discussed the independent designation and development of all in...

Routing is one of the critical technologies in WSNs, and many routing protocols have been proposed in order to achieve the energy efficiency in WSN. Based on CCS, TSC scheme divided the cluster smaller, shorten the chain length and saved more energy than CCS. But the chain is still long which resulting...

Infrared temperature measurement technology is widely used in non-contact temperature measurement field. The designed system adopts infrared measuring temperature sensor of TN series to measure the target temperature and displays the data on the LCD screen with the STM32. At the same time, it combines...

To improve the single problem in large data processing system based on cloud computing technology, the research focuses on the impact of network data processing model based on hybrid architecture, fusion processing, and decentralized processing. This research can be used in the next generation of cloud...

Recent studies have detected the amplitude of spring plant phenology in whole Tibet Plateau and growing season by remote sensing technology. However, few studies have examined that how the plant phenology has changed in the past decade. At the regional scale, we investigated the phenological variations...

Accurate forecasting of wind speed is significant to the safe and stable operation of wind power system. In this paper, a structure optimization method is proposed and used to improve the accuracy of wavelet network wind speed forecasting model. In the training process of wavelet network, grey correlation...

Clock network synthesis is an important part of digital integrate circuit design. For the purpose of further reducing the effect of clock skew and On-chip Variation, this paper realized a clock mesh structure by using Encounter EDI tool basing on traditional clock tree synthesis. Experiment results validated...

The research of real sense graphics has made great progress in recent years.Not only the game screen has been able to achieve a very real effect in other fields such as virtual reality, 3D animation film and other fields have been fully applied with this technique.The development of non real sense graphics...

n the growing demand for energy, while energy supply is becoming increasingly tense, prices continue to rise. This makes the energy consumption cost plays a more and more proportion in the enterprise cost calculation. To improve the energy utilization rate, cement enterprises take various optimization...

From the point of message transmission and processing, this paper puts forward a new disjoint Minimal Path sets (MPs) algorithm to get the disjoint MPs of networks and trys to realize it by means of Discrete Events Simulation (DES). In the new method, the arcs of CoA network are regarded as processing...

To overcome the limitation of energy supply for artificial cardiac pacemaker, this paper investigated a wireless charging device based on the magnetic coupling resonant wireless transfer (MCR-WPT) technique. We designed the bilayer coupled coils for energy transmission, which had twice power factor than...

Traditional access control technologies are not well adapted to cloud computing environments. Usage Control (UCON) model is featured with attribute variability and decision-making continuity, which means advantageous in the new environment. But UCON model is highly abstract and difficult to apply. For...

Facing the complexity and variability of electronic circuit design, evolvable hardware has gradually become one of the effective methods to design hardware. Algorithm influences the direction and progress of evolution. In order to improve algorithm and solve the current problem that the evolutionary...

This paper outlines the concept of Ad hoc networks and analysis of this type of network and application prospects of further development of today's society. The main starting point for the study and analyze routing protocols AODV routing protocol from its operational mechanism. With the Eclipse development...

Closed-loop controlled electrical drive systems require constant speed without interference, which corresponds to CPLs and performs negative impedance characteristics, so that they have great influence on the stability of aviation power grid. The main purpose of this paper is to solve this problem by...

Power manufacturing enterprises process events by hundreds of devices interacting with their plants. Rich statistical data distilled from combining such interactions in real-time could generate much business value. In this paper, we describe the architecture of HIA, a system for ingesting multiple geographically...

With the advent of the era of big datasets, real-time data is becoming increasingly important in assisting the decision making process for commercial banks. In this paper, we develop a two-step optimization model (FSGA-FCEN) based on genetic algorithm (GA) and cluster ensemble (CE) for customer segmentation....

In this paper, multi-sensor technology fusion of internet of things, such as radio frequency Identification(RFID), Beidou navigation satellite system(BDS ), mobile communication, video recognition applied in vehicle management is discussed. In this study, fabricating multi-sensor detector fusion applied...

The full name of DRDS is Distributed Relational Data Service. It uses mysql protocol to interact with external system and it compatible with the most function of mysql. It looks like a mysql database service system, but it has favorable linear expansion and mass-data processing capacity. Furthermore...

The X3D is a virtual programming language and the target of it is to establish interactive 3D multimedia. With the emergence of X3D, the virtual reality (VR) is entering the lifestyle of the people as well as multimedia and Internet. 3D scene is described by text message in X3D, which can be transmitted...

Traveling Salesman Problems is a classical kind of combined optimization problems. Solving TSP effectively can produce very important theoretical value in computable theory, and also has very high applied value in practice. Solving travel salesman problems by using some traditional algorithms is limited,...

We study the regional mutual information to build a powerful and effective no-reference (NR) image quality assessment (IQA) approach. This approach does not need to compute distortion-specific features, but use the features which can distinguish the distortion in images across the distortion types. Such...

For facial expression features extraction and automatic clustering, a method is proposed. This method integrates improved LBP operator and K-means clustering. Firstly, facial features are located by integral and variance projection. Improved LBP operator with changed threshold is figured out. Secondly,...

Anti-Virus engine depends too much upon the signature database and each detection module couples tightly. To solve this problem, an extensible framework is presented. The function module and data module are decoupled by using the intelligent signature and decomposing composite modules. Inversion control...

Large-scale data streams processing is import to data processing application. So we need to investigate the parallel strategy for the Large-scale data streams processing. Here we propose two parallel strategies to handle data streams in real time, and consider the power efficiency as an important factor...

For solving the distributed permutation flowshop scheduling problem (DPFSP) with the objective of minimizing makespan we design a hybrid genetic algorithm. This algorithm combines a simple genetic algorithm, a local search algorithm and a plant allocation rule with the aim of minimizing the makespan....

Image retrieval is an important topic in the fields of image processing, pattern recognition and computer vision. In this paper, we proposed a new and efficient method of image retreival by combining the color and texture features. We used HSV color histogram for color feature extraction and texton co-occurrence...

Energy coupling realized by separable magnetic pot transformer as new approach of rotor excitation in synchronous machine could replace brushes and slip rings of traditional excitation. For new noncontact energy coupling (NEC) system, its research about energy and efficiency quality still remains a low...

Bus rapid transit (BRT) is an important transit mode in the urban transportation system, especially in improving the urban transit’s operating efficiency. The accessibility of BRT is an important factor to measure its service level, however, most existing methods of calculating the accessibility can...

The meta-synthetic methodology is the scientific and effective way to solve the problems of the complicated large system. In this article, we put forward a Meta-Synthesis Hall based on simulation. Through the Hall, we combined the expert, repository, and simulation test together, building an environment...

Massive multiple-input multiple-output (MIMO) system has become a crucial technology meeting the ever-increasing data consumption demand, for it has more channel capacity, higher frequency spectrum efficiency and reliability. The direction of arrival (DOA) estimation on the base station has a marked...

In this paper, we consider a direction of arrival (DOA) tracking algorithm via adaptive parallel factor via recursive least squares tracking (PARAFAC-RLST) for acoustic vector-sensor array. The adaptive algorithm can efficiently track multiple targets by recursively updated the loading matrices at time...

Modern X-ray real-time imaging detection technology is based on image intensifier ray imaging technology, using CCD camera and image collection and processing system, which observes produced image with transillumination. This paper focuses on batch detection requirements on product parts of a specific...

Isolated micro-grid makes a great sense of supplying power in the area without large power grid covers. In this paper, an isolated operating micro-grid model is built based on the Matlab/Simulink environment, which contains miniature wind power system, PV system and energy storage system. In order to...

In this paper, a small photovoltaic power generation system based on micro-inverter is introduced. In order to overcome the shortcomings of stand-alone mode and grid-connected mode, an operating method is presented. The system is parallel with the single-phase grid to enable grid-connected operation...

In order to obtain more energy from photovoltaic cells during the inverse process, maximum power point tracking (MPPT) method is adopted in application. Common MPPT methods may cause misjudgment phenomenon, which not only reduce efficiency of PV energy conversion but also may cause grid-connected current...

Power sale quantity of Power grid enterprise is affected by many factors. First, this paper introduces the correlation analysis method, including the Pearson correlation coefficient, partial correlation coefficient and the multiple correlation coefficient; Then analyzing the external influence factor,...

In this paper, we investigate the problem of spectrum allocation for small cell networks with dense deployment of access points in large quantities. Since the formulated problem is intractable in the context of large-scale networks, finding the optimal solution is very complex. To tackle this issue,...

Machine learning has found widespread implementations and applications in many different domains in our life. However, as the big data era is coming, some traditional machine learning techniques cannot satisfy the requirements of real-time processing for large volumes of data. In response, machine learning...

As the core component of Concentrator-Splitter Optics System, the beam splitter has an important influence on solar energy utility efficiency improvement. The vibration frequency of beam splitter fixed structure caused by external stimulation has great influence on system accuracy. So, it is necessary...

This paper shows a breadth-first maximum-likelihood sequence detection method for ring convolutional coded continuous phase modulation (CPM) over additive white Gaussian noise (AWGN) channel. By reserving the states which are closest to the received signal in the normalized squared Euclidean distance...

The key branches of power system can effectively reflect the security weaknesses of transmission line, the efficiency of system secure economic dispatch and control will be significantly improved by reducing the system to a precise model with the key branches preserved. A new network reduction method...

Set the expert analysis and diagnose system of the moisture content in SF6.make good use of the manual work blur NN technique and illegibility technique and expert system technique to deal with the illegibility and uncertainty in the course of analyzing of moisture content in SF6 switch and make good...

A compensated voltage model is proposed in this paper, which consists of a second order band pass filter and its compensator. Based on this compensated voltage model, a new flux estimator is constructed. To solve this multiple equilibrium states problem, a method to improve the flux estimator is proposed...

A new type of activation function, named Li activation function, is used in gradient-based neural network (GNN) to solve Lyapunov matrix equation. With this activation function, theoretical analysis shows that GNN can converge in finite time, while it can converge only in infinite time with two conventional...

For solving some problems of information retrieval in the Chinese internet fraud information management platform, the automatic classification model of search results based on the personalized service was proposed. The model computes the K nearest neighbor of the search results in the training sample...

The machine-to-machine network has become a leading solution in many important fields, such as battlefield surveillance, transport systems, industrial and agricultural automation. Typically, a M2M network consist of a large number of battery powered, concurrently access devices. Simplex MAC protocols...

This paper is aimed at discussing the Internet of things and RFID (radio frequency identification) technology to improve the informatization level of logistics information platform. Based on analyzing the functional demand of logistics information platform, a framework of logistics information system...

Challenges of data mining in the medical industry in an era of big data are introduced herein. Combined with cloud computing, a frame of medical cloud data mining platform built in the ecological environment is proposed, with functions at various levels being introduced in detail, including the base...

In order to improve the convergence speed of adaptive equalizer, orthogonal wavelet transform has been introduced into adaptive equalizer. The orthogonal wavelet transform are placed in the front of the equalizer (forward filter) in the existing literature, which will reduce the performance of equalizer....

In order to analysis the transmission efficiency of wireless power transmission system via electromagnetic resonant coupling with relay structure, first we build the system model, analyze the relay system power model with couple mode theory, derive the same power change rule compare with non-relay system....

The problem of two-dimension coherent direction of arrival (DOA) for uniform planar array is investigated in this paper. The signals propagate over multipath channel, which thus leads to the coherent source. The traditional two-dimension direction of arrival (2D-DOA) estimation algorithm fails to work...

GIS is the abbreviation of Geographic Information System. GIS desktop is the GIS software platform running on the local computer. It is the core part of GIS product series. Secondary development of general desktop platform is the main approach to develop user specific GIS desktop. The secondary development...

Because of the limited power and long propagation distance between spacecraft and Earth station, the high power efficiency is more important for space information system than others terrestrial communication system. Motivated by the potentially large gain achievable with iterative decoding, one novel...

How to precisely detect co-channel narrow band interferences using single threshold is a challenge for satellite transponder spectrum monitor, especially in the condition of many signals which parameters are different. A new method for interference detection in satellite communication is proposed based...

This study first proposes a concept of generalized stability (GST) for discrete chaos system, which is the generalization of chaos generalized synchronization (CGS). Then this study sets up a constructive theorem of GST for discrete chaos system, which provides a general representation of GST in discrete...

This paper describes a system based on the concept of the Internet of Things (IoT) that provides in situ monitoring of coastal soil salinization. The system includes a central control module, as well as modules for communications, the measurement of soil parameters, and power management. The main controller...

The arrival of the era of big data, which is very important for building a good big data security system and improve the system of extreme defense measures. This paper presents six major issues of information security in the era of big data. It introduces the security technology of big data system, including...

Faced with the massive information and data, signal and information processing need to solve the problem of removing redundant information and obtain useful information. The PCA method is introduced, which can detect the effective information in noise. Taking the simulated seismic data as targets, the...

The booming internet services urge the research on the cloud computing and the network resource utilization. The combination of elastic optical network and data center can solve the network resources deficient problem and the computing resources unbalanced problem. Virtual optical network embedding provides...

According to the network data of mobile packet domain in backbone network, this article analyzes the correlation model of network load index in mobile packet domain. Based on the mobile service and analysis model of user behaviors, in this paper we proposed a correlation model and curve model on total...

Remote chess game system use the network transmission to let the rival chess image transfor to our own computer.At the same time,the virtual chess pieces that represent our own chess pieces are in the rival chess image.The image on monitor show the two sides of chess pieces real-timely.The detection...

With the development of mine automation technology, more and more electronic products are installed in coal mine. In order to strengthen the safety management of the mine products, research on dynamic management technology of mining products safety approval and certification based on UHF is proposed...

The transfer function is the performance of an optical System’s Imaging quality. It’s an important indicator of an optical system. Detecting the transfer function plays a particularly important role in the project processing and finishing process of the optical system. In order to detect the large caliber...

Accurate load forecasting can keep the safety of power grid operation stability and guarantee the normal production and life of society. Support vector regression machine is suitable to load forecasting. Its nature of learning method is to give a good forecasting ability according to a small amount of...

According to the optimization problem in a variety of corrective and improvement actions that exist in the FMECA method, this paper introduces the fuzzy theory of FMECA analysis, study quantitative method of the degree of severity S , occurrence probability O and detestability D of RPN algorithm, and...

Instrument and switch nodes are constructed by using virtual simulation tool Multigen Creator, and the method of modeling is introduced in detail. Microsoft MFC is used to initialize configuration of scene simulation, realize of network communication with marine simulator server, receive real-time data,...

In order to improve the efficiency of the command of the maritime aerospace measurement and control tasks, the timely discovery and analyzing and solving the abnormal situation in the process of the task, research and design the assistant decision system which be appropriate for the task of the maritime...

In this paper, we analyze the performances of the random linear network coding (RLNC) based wireless broadcasting system, where a source wants to broadcast N packets to a large number of users with uniform distribution. By resorting to stochastic geometry analysis, we deduce the approximate average number...

The term of Building Information Modelling (BIM) has become ubiquitous in construction industry of China. The purpose of this study is to investigate implementation of BIM in construction industry in China, including the BIM strategy, the BIM standards, and the projects that utilized BIM and so on. The...

In order to better research the Grape gene expression data of temporal series, first of all, we built an undirected network by data preprocessing, screening for differential expressed genes, wavelet transform, correlation network analysis, and then carried out a correlation degree number analysis. Finally,...

This paper presents an MCMC-based particle filter TBD algorithm for multi-target detection and tracking in low SNR environment. In this algorithm, a set of unweighted samples is used to represent the posterior distribution of the joint multi-target state. Then, a MH algorithm is adopted to recursively...

In signal processing, the estimation of instantaneous frequency is a kind of very important issue for non-stationary multi-component signal. Firstly, this paper adopts EMD decomposition to decompose non-stationary multi-component signal and convert into a series of single component signal. Then using...

This paper presents a application of kurtosis and approximate entropy in rolling bearing fault diagnosis.First use the method of LMD adaptive decomposed he rolling bearing vibration signal into different time scales of PF component , then filtered to get PF component, and rebuilt a new weighted optimization...

For the purpose of improving the throughput and reliability of the two way decode-and-forward (DF) relay networks, we propose an opportunistic network coding and signal combining (ONCSC) based automatic repeat request (ARQ) protocol. We assume that the relay node (RN) has a buffer which can store the...

In this paper we propose a novel classification method based on Linear Regression Classification (LRC) for offline signature verification. The class-specific models can be simply established by using the registered samples (examples), and a test signature can be linearly represented by these registered...

Angle-of-arrival (AOA) method is one of the popular methods for indoor localization, which plays well in the direct path case. However, the indoor environment is more complex, which means in most cases the direct path does not exist in most cases. To tackle this issue, in this paper, we propose a 3-D...

In this letter we present a novel speech separation scheme using two microphones. The proposed method utilizes the estimation of interaural time difference (ITD) statistics for the separation of mixed speech sources. The novelties of this paper consist in the use of Generalized Gaussian Mixture Model...

The handwritten number recognition algorithm based on BP-bagging generates the basic classification by BP network and generates multiple classifiers by bagging. The algorithm treats a handwritten character as an image. By scanning the images, 25 dimension features are extracted, and then compresses the...

Because of the increasingly demands of high quality audio signal, speech dereverberation,as the preliminary processing of speaker recognition and automatic speech recognition(ASR), becomes more and more important. The speech obtained from microphones is always distorted by reverberation. Conventional...

Grid Array Ball (BGA) has been used in the production of electronic devices and components because of its small size, high I / O port density and so on. However, BGA solder joint defects will reduce the performance of the motherboard. Because micro-focus X-ray BGA solder joint image has a large number...

Traffic State subarea partition problem has been a hot topic. A sub-area partition algorithm is proposed in this paper based on state connectivity matrix with flow variance in intersections within the road network. The principle of subarea partition is posed in the paper, and a dynamic algorithm is designed...

With the rapid development of wireless sensor network (WSN), the WSN data gathering is attracting more interests over the years. Due to the high cost of specialized handheld terminals, Android tablets are chosen to design a unified handheld terminal for WSN data gathering. Data are transmitted from WSN...

We implement an assisted positioning system, based on BLE and six-axis accelerometer that includes an accelerometer and a gyroscope. The system uses two on-chip CC254x with BLE features for wireless transmission and MATLAB for the data processing in the cloud. After quadratic integral of acceleration...