Optical phase locked loops (OPLLs) plays a vital role in coherent detection of optical communication systems. To simplify the analysis of OPLLs with complex structure, two different. Simulink models are presented to have a vivid observation of nonlinear BPSK OPLLs. Simulation results show that both balanced...

Broder's Shingling and MinHash are two of the state-of-the-art approaches in detecting near-duplicate documents. But both of these two methods did not take the relative position of elements into consideration. This paper proposes a method which combines Shingling and LCS algorithm called SWLR (Shingling...

With the rapid development of network, social and economic life affected network everywhere. Especially the rise of Taobao in recent years, bring a rare opportunity for development to the traditional business. Facing the opportunities and challenges of the network, they either use network platform such...

We present an example of deterministic network models in an iterative fashion. The network has small-world effect, scale-free topology and high degree of tolerance against random failure. We propose some new parameters for this model in order to further discuss the damage rate, such as collapse-rank,...

In recent years, the application of knowledge discovery method to the field of the traditional Chinese medicine (TCM) gains more attention to researchers. It is necessary to have a visual mining for hidden knowledge in the massive and complicated data of prescription, which embody important knowledge...

In this paper, it takes the Changchun Renmin Street and South Ring Road intersection for example to design the method of traffic organization optimization. On the basis of increasing the number of the channels of import and export, it changes the six phase control to the traditional four-phase control...

This paper discusses the Heisenberg's uncertainty principle and windowed uncertainty principle associated with 1D linear canonical transform (LCT) and the Heisenberg's uncertainty. principle associated with two types of 2D LCT for the first time. These uncertainty bounds are related with the transform...

With the extensive application of a large number of nonlinear electrical components, harmonic and inter-harmonic components in power system become more and more complex. The harmonics, inter-harmonic and fundamental wave are in the superposition state. The traditional harmonic detection method is Fast...

Whereas environment modeling of current ray tracing algorithm used for locating is too ideal and the positioning accuracy is not high because AOA based weight intersection method fails to consider singularity bearing line intersection, this paper sets up AOA localization model on quasi-specular condition...

This paper is a study of the approach to automatic detection of the content of the smart electricity meter LCD cycle display and signal lights. By this approach, in the LCD liquid crystal display detection unit of the smart electricity meter detection line, the electricity meter can be switched to a...

In order to optimize the dynamic performance of a 2-DoF planar parallel mechanism used in hybrid machines, comprehensive acceleration ellipsoid (CAE) method is introduced. Considering the inertia, velocity, gravity and external force factors, CAE method can evaluate the dynamic performance more exactly....

On the basis of knowledge architecture theories, the author put forward to elaborate the construction of the subject knowledge platform from perspectives of resource construction, systematic framework and service function. By strengthening construction of internet academic resources, expert academic...

Joint encryption and compression method not only ensure the uniformity of the algorithm but also can enhance the security of algorithm, so it have very important practical significance.This paper studies the over complete dictionary of DCT and OMP algorithm,uses the two kinds of common chaos mapping...

Massive sky survey data are produced by the LAMOST large-scale survey project. However, the low quality spectra still accounted for about half of total LAMOST observed data at present. For these low quality spectra, spectral classification can not only use of computer technology, but also be combined...

With knowing the congestion states of end-to-end paths, network Boolean tomography is able to identify congestion links without direct monitoring. Most of existing work on network Boolean tomography uses the loss-based metric to determine congestion states of paths. However, such metric often needs to...

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In this study, we focused on fragment of wrong lyrics that are heard or remembered wrongly and entered as query for lyric search. Concretely, we aimed to improve search accuracy by query conversion considering noise of word. We also tried to calculate word intimacy degree that indicates how much the...

A spectrum sensing algorithm, named as MESE algorithm, based on maximum entropy spectral estimation was constructed in this papers. Frequency domain analysis was introduced into the spectrum sensing, peak to average power spectrum amplitude ratio (PAAR) was taken as detection statistics, Detection threshold...

Aiming at the high locating error and the underutilization of redundancy bearing measurement in Pyroelectric Infrared Sensor (PIR) location system, a novel method of bearing location based on Radial Basis Function Neural Network (RBFNN) is presented. After illustrating the region partition model of PIR...

In the measurement of G using time-of-swing method, the accurate determination of G depends on the period extraction of torsion balance with high precision. There are a great many methods of extracting period, and the nonlinear least squares fitting method and the correlation method are most frequently...

In the past few years, systems biology methods have been widely used to explore the mechanism of cancer. Various signaling pathways play the important role in cancer. And a large number of computational methods are used to model the signaling pathway. Here, we reviewed many existing mechanisms and modeling...

"All trees are graceful" has not been proven. Applying the construction method to show every generalized Fibonacci caterpillar tree is a set-ordered odd graceful graph meanwhile every generalized Fibonacci caterpillar tree not only have an odd-elegant labelling but also possess a super total graceful...

Indoor thermal environment of a hyperbaric oxygen chamber was researched by computational fluid dynamics to figure out the relationship between the inlet angle with thermal sensation index. Steady k- turbulence model and incompressible fluid flow of constant property have been considered, the heat dissipation...

This paper analyzed the overall patent situation of global piezoelectric inkjet printing head technology, the layout of relevant technological field and the main competitive regions and applicants from the developed background of the global piezoelectric inkjet printing head technology. Based on the...

We encounter in real world large networks as diverse as neural networks, power grid, financial networks, friendship networks, Internet, WWW. These networks are commonly characterized by a large number of highly interconnected dynamical entities. They are so complex that they may give birth to many dynamic...

In recent years, computer viruses, Trojans, worms and hacker attacks are becoming increasingly popular. It has caused certain harm to the political, economic and social world, and poses a serious threat to the Internet and the national critical information system. The vast majority of the security threats...

Android is a smart mobile operating system with a huge market share, its security has received widespread attention by researchers and customers. The system architecture of Android is introduced, the security mechanism of Android is analyzed, the platform classification and characteristics are summed...

This paper presents a composite learning (CL) architecture. The CL can make use of the advantages of both direct and indirect learning. By an appropriate threshold, the indirect learning can be switched into direct learning. In order to further improve the performance of direct learning, an improved...

The paper aims to make an exploratory discussion on the application of information technology to foreign language teaching. Combining the properties of language learning and learners' needs, we analyze the potential uses of information technology in language teaching and come to the conclusion that information...

In view of the current avionics system especially the communication configuration information model of avionics system based on AFDX bus accessing difficulties, and the aircraft needing to change the manual for rectification, by summarizing the characteristics of AFDX network bus and end system in the...

The important task of computer basic teaching is to cultivate students' ability of computing thinking. Through continuous efforts, there are many forms of teaching mode during the course of teaching, improving the process of practice and assessment, and fully mobilize the enthusiasm and initiative of...

This paper introduces the Multiple Input Multiple Output (MIMO), Orthogonal Frequency Division Multiplexing (OFDM) and Low Density Parity Check Code (LDPC). Then, this paper gives the improved log domain Back Propagation (BP) decoding algorithm optimizing the variable nodes and simplifying the check...

In order to improve student achievement level and management ability of college , we focus on to achive the university student achievement warning system. In the practical application of College Students' performance analysis, we find that there was imbalanced data,and the proportion of the students...

A bullet holes object detection based on wavelet transform using fusion rules is proposed to overcome the limitation of the bullet holes detection using image difference technology that exists over-detection or leak-detection because of the noise interference and has harsh request for imaging condition....

By introducing degree of difference among classes, an improved mutual information feature selection method is proposed to effectively improve the accuracy of feature selection, accuracy and efficiency of classification. At the same time, relative frequency factor is applied to solve the tendency of traditional...

Based on economic statistics, survey and the requirements analysis of tobacco industry, using information network and basic data platform and the establishment of special monitoring indicators, China Tobacco Zhejiang Industrial CO., LTD. implement a comprehensive analysis system about economic operation...

This paper investigates the wear mechanism of WC (tungsten carbide) drills in drilling titanium alloy (Ti-6Al-4V) with graphene oxide suspended cutting fluid and conventional coolant. By analysing cutting forces and examining the worn surface of the drills, wear progression in the cutting experiments...

The real time and continuity flight safety monitoring based on ADS-B raised to solve the ACARS report sparse uneven and time delay.The structure of real time flight safety monitoring based on ADS-B is proposed firstly, which monitor the human factors during flight. Then in the concept of practicality...

This paper through the study of the hydraulic cylinder test system, for the low-automation, low-automation, and inconvenient of old Hydraulic Cylinder Test bed, designed a set of hydraulic cylinder test bed system based on servo control. In the servo system the industrial computer as the upper machine,...

In allusion to increase the speed and accuracy rate of clustering algorithm, the paper proposes mixed clustering algorithm with artificial fish swarm and improved K-means. Firstly, it leads artificial fish swarm algorithm to clustering algorithm and proposes artificial fish swarm clustering algorithm....

Let G be a finite group and P be a p-subgroup of G, where p is arbitrary prime dividing of |G|. If P is abnormal in G or the normalizer of P in G is a p-group, then every Coleman automorphism of G is an inner automorphism. Interest in such automorphisms arose from the study of the normalizer problem...

In this paper, we give a class of new endomorphisms with some properties based on the concept of morphic endomorphisms, called generalized morphic. We discuss the connection between the generalized morphic and the structure of groups. It is proved that the quasi -cyclic group is a generalized morphic...

In this paper, based on the basic of morphic groups and quasi-morphic groups, we defined a new kind of homomorphism with some properties, called dual homomorphism. We give a necessary and sufficient condition of the dual homomorphism. Moreover, we get a connection between the dual homomorphism and the...

In this paper, based on the study of f-distributor in [1], we defined the concept of f-center and discussed some properties of f-center. As an application of these properties, we generalize some properties of p-center and center of groups.

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In order to solve the security problem of resource sharing in cloud services environment. A new cloud services model NICTM (non-interference cloud services trust model) has proposed. Model formally defines the trusted domain and basic elements of cloud service environment and improves the traditional...

Accommodate the problem of the amount of information for the general black and white two-dimensional bar code is relatively small and the Chinese character coding efficiency is relatively low, we propose a color two-dimensional QR barcode.This scheme focuses on the color two-dimensional QR barcode encoding...

The multi-axis shaking table (MAST) is widely used in the vibration tests for high-rise buildings, bridges, large structures and so on. Due to the overturning moment and off-center load of the MAST, the dynamics cross-coupling disturbance occurs when the motion on one translational degree of freedom...

WEDM (Wire Cut Electrical Discharge Machining) is a kind of spark cutting machining processes by using the linear movable electrode (known electrode wire).With the development of science and technology and the emergence of a large number of new materials, EDM wire cutting start to face new challenges....

In this paper, by referring to the new equivalent model, I designed and made three kinds of antenna objects of composite right/left-handed transmission line with microstrip leaky-wave antenna. By using network analyzer, I measure their S parameter and the result showed that the physical model, circuit...

With the rapid development of the network, distributed Web Crawler was introduced for fetching the massive web pages. However, the traditional distributed Web Crawler has disadvantages in load balancing between different nodes. In addition, the number of fetching web pages had not grown up linearly in...

The EET annuity tax mode has been implemented in China since 2004. This paper makes a empirical analysis on the influence of EET policy on Chinese enterprises after implementation. We designs three research hypotheses: H1: The EET tax mode enhances the enthusiasm of employees on taking part in the enterprise...

Spinning force is the spinning metal pipe tensile strength of a linear relationship. The higher is tensile strength, the bigger is the spinning force. For different kinds of material and heat treatment state, the deformation resistance is different, the required pressure is also different. Material usually...

The unique characteristics of thin ball spinning technology is better than wheel spin, tube can choose a larger one including a reduction ratio, it usually includes a reduction ratio that can reach 40% ~70%. Therefore, it can greatly improve the production efficiency. However, including a reduction ratio,...

Pulse coupled neural network (PCNN) has a difficult problem to determine the parameters, mainly based on artificial experience. We propose an automatic image segmentation method based on PCNN, which is combining with dynamic threshold and global threshold, reducing manual intervention, realizes the adaptive...

On the basis of the social force model,we studied various factors which could affect pedestrian escaping from the room on the emergency occurred in a square room (such as fire) .By Simulation the effect of the pedestrian's desired escape can be abtained.The relationship between the average speed and...

To analyze the factors influencing online shopping intention for fresh agricultural products, this paper constructs a research model based on UTAUT2. Data obtained from questionnaires are processed using structural equation model. The results show that performance expectancy, effort expectancy, hedonic...

Based on the shift actuator table of AT and the Principle of the hydraulic system ,it is easy to get the logical-shift formula with the help of the logical analysis,which could help to design AT hydraulic system .Besides,it conducts a feasibility analysis of their shift solenoid valve control state .

With the development of high-speed and real-time signal processing systems toward modularization, generalization and reconstruction, a method of modular design has been proposed and accepted widely. However, the increasing module types and extending production scale make the module-test challenged and...

In this paper, a delay for the guided artillery shells in response to the instruction control mechanism designed to compensate autopilot elastomer damping. For the cross-coupling effects generated periodically roll pitch and yaw between channels, combined with PI controller design decoupling control...

This paper introduces a multi-sensor fusion technology and verify Whether the integrated navigation system is valid. IMU and GPS/ barometer is complementary, the former's long-term stability is poor and short-term stability is good, and the latter is just the opposite. Therefore, the fusion algorithm...

The process of spectrum sensing plays a key part in Cognitive Radio (CR). In this paper, Support Vector Machine(SVM)is applied to spectrum sensing which can judge whether the Primary User (PU) exists or not for its good performance in many fields. Data set including training set and testing set with...

This paper builds capability maturity model of digital libraries based on the capability maturity model for software and sets up knowledge management maturity level according to the characteristic of digital libraries. Each level sets key process area, then gradually improves the digital libraries knowledge...

In the Semantic Web of Things (SWoT), different type of sensors will collect a large number of real-time data and heterogeneous information. How to deal with these data and provide support for decision-making is a problem. Cloud Computing mode is particularly suitable for handling the large data sets....

This paper is focused on a GSM-based motor remote-monitoring device designed on the basis of convenient and safe motor management to help improve motor safety and prolong service life. It is able to monitor operation of multiple motors simultaneously in an effective manner and thus control them remotely....

Traditional fault tree analysis is an effective method to analyze system reliability that is based on static logic, and the system which considering the influence in combination of fuzzy uncertainty and dynamic failure characters is still difficult to estimate precisely. The fuzzy number theory can fully...

Path planning is an important task in the field of robot. A new method of dividing genetic algorithm(GA) process is proposed,which is different from the traditional method that considers smoothness in GA process. After calculating a path using simplified GA method with a variable length coding, a new...

With the development of modern society, private custom glasses has become a trend for future development. Traditional handmade time about two weeks,and processing fee is also high. But if you use 3D printing processing, it will reduce the processing time and reduce the cost of processing, and more precise....

Photovoltaic power system has bigger time-vary nature, so it is difficult to build accurate mathematic model. BP neural network has the capability of expression nonlinearity and also has the self study and adaptive function BP neural network control makes full use of neural network approximation capability,...

Blades are critical parts of aero-engine and nuclear turbine, and it is important to inspect blades by optical method accurately. In this paper, an optical scanning device is designed for inspecting blades. In general, the main external factor affecting the accuracy in the process is environmental vibration,...

In the network environment, the query efficiency of spatial object Top-k query algorithm is an important index to measure the performance of the query. Because in the practical application of query location is often mobile, using the traditional snapshot query to deal with the efficiency of mobile query...

Solar panels convert solar energy into electrical energy stored in the battery and provide power for the solar street lamp. The voltage of solar panel power supplying is not stable, resulting in the problem of over charge and over discharge for battery in the use process of solar street lamp. The above...

In Vitro Diagnosis is an important supplementary means for diagnosis and treatment of diseases. Most of the In Vitro Diagnosis on the market is a combination of data acquisition and analysis instrument, of which portability and the cost are restricting factors in its development and promotion. This research...

With the development of mobile internet, mobile banking have been gaining a meaningful development and success. A lot of consumers use mobile banking to deal with banking affairs. Because that improves their performances startling. Based on Technology Acceptance Model (TAM), the author collected a sample...

SCADA (Supervisory Control And Data Acquisition) system is a computer-based automation system applied in operation process control and remote scheduling. This paper introduced the principle and method of security assessment based on SCADA system. Three basic elements of security assessment, asset, threat...

It is essential for college students to participate in extra-curricular training for improving their competitiveness.However, there is large number of online educational institutions and numerous or types of courses is updated in real time. What else, colored leaflets about promotion are filled in every...

Human Resource Management (HRM) is very important to the realization of strategic goal, and it has attracted the concern of decision-maker. The paper gives a comprehensive introduction on the construction of Human Resource Management Information System (HRMIS) of large corporations, including the overall...

The article considers the problem of reducing the cost of heavy oil productions. A new approach, based on the intelligent analysis of successful events' historical data of qualitative EOR application, is proposed. Based on database info analysis, the synthesis of a model, targeted to automated search...

In order to explore a suitable bone graft substitute to improve the success rate of bone graft, the bone reconstruction modeling has become a hot research topic. Over the past several decades, there have been a lot of models developed for the bone reformation. This study mainly discusses the current...

Intracerebral hemorrhage (ICH) accounts for around 10-30% incidence of the cerebral apoplexy, the prognosis of which is so poor that has high morbidity and mortality. In cerebral hemorrhage, the artery bleeding is very common. Along with the development of imaging, computed tomography angiography (CTA)...

The general multi-tiered admission control strategies restrict the system throughput for two reasons. Firstly there is no consideration on the dependency between every tier, and secondly the strategies have the delay characteristic. In this paper, a 2-level fuzzy admission control algorithm is proposed...

To provide a method for manufacturers and retailers in choosing return policy in e-commerce environment, this paper builds a supply chain with one manufacturer and two retailers based on system dynamics which involves in manufacturing, purchasing, marketing and returning. By comparing the profits of...

The end of query is the composition of SQL statements, completed by using the graphical interface. Operator precedence grammar was combined with segmentation to identify query statement in graphic interface, this paper customized the semantic action and added correctness judgment "constraints( )", realized...

A simulation training evaluation subsystem can't be ignored when an antiaircraft missile simulator is developed whatever type it is. Otherwise, the result of simulation training couldn't be verified. So one of key difficulties is how to design and realize its Interface Circuit when an antiaircraft missile...

Wireless Sensor networks is a dynamic domain develop innovative applications linked to a specific environment, and to the challenge of designing totally autonomous communicating objects. The aim of this work is to define architectural operational solutions able to maximize the lifetime of these sensor...

This paper discusses the problem of the evaluation in distance education. Base on the characteristics of distance education that teachers and students' space and time separation, and the course requirements. In this paper, the students in the learning process exists common problems --students' learning...

Henan is a populous province in China, and its banking system is sound. The development of local banks plays an significant role in economic development of Henan Province. For these factors, some suggestions are presented, such as increasing capital accumulation rate reasonably, improving the management...

This article mainly focus on the research of the fiber grating sensor technique and the coupling characteristics with the monitoring system. First of all, it describes the form of the fiber grating monitoring system, and then describes its working mechanism and the feature. After that, begins the part...