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16109 articles
Proceedings Article

The Quantum Teleportation Fidelity of the Squeezed Vacuum State

Zhuan Li, Chun-mei Liu, Jun-ling Wang, Min Zhang
We use two-mode squeezed vacuum state as a quantum channel to teleportate the quantum squeezed vacuum state and analyze the fidelity of the teleportation by the Wigner function. The result shows that the squeeze factor of the quantum squeezed vacuum state is smaller, the quantum features of the teleportation...
Proceedings Article

A Circuit Design of High-precision Channel Equalizer for WSN-OFDM System

Xiao Qu, Jincheng Xi, Xinning Liu, Jun Yang
Channel equalizer is a key component of WSN-OFDM (Wireless Sensor Networks Orthogonal Frequency Division Multiplexing) system. Traditional equalizer is mostly designed with LS algorithm, which comes with low precision in channel estimation. The previous LMMSE algorithm could reach a high accuracy, but...
Proceedings Article

Study on Trust Model of Internetware System

Tao He, Yong Wei, Huazhong Li, Lina Fang, Shouxiang Xu, Defen Zhang, Junqiang Liu
We take the overall architecture of internetware on-line evolution model as basic, and study on trust metric model of the software in internetware system. In view of the not accurate results from the rough and existing trust metric model granularity, this paper proposed a multi service and hierarchical...
Proceedings Article

Electricity communication transmission network risk calculation model design and management system achievement

Hailong Xiao, Chunyu Liu, Yongsheng Zhang
Electricity communication transmission network is the key support network of the power grid. Its security has direct significance to the stable operation of the power system. The article brings out a re-definition of risk. According to the threat of natural disasters, equipment and human resources in...
Proceedings Article

The motion simulation of three-DOF parallel manipulator based on VBAI and MATLAB

Zhuo Zhen, Chaoying Liu, Xueling Song
In order to truly reflect the object situation of catch and place of the three-DOF parallel manipulator based on machine vision, and on the basis of the modeling of the trajectory and mechanical structure, this paper mainly focuses on the analysis on the manipulator system by using the co-simulation...
Proceedings Article

The Electric Power Communication Transmission Network Risk Assessment Index System Research Based on AHP

Chunyu Liu, Jinyu Luo, Yongsheng Zhang, Jie Zhang
By studying the SDH equipment of EPCTN, and the principles and methods of building the index system, combining with the actual situation of electric power communication operation, this paper establishes the index system of EPCTN risk assessment which includes target layer, rule layer, and index layer....
Proceedings Article

A fast SPIHT algorithm based on the end scan threshold

Changhua Liu, Xiaole Xu
A fast set partitioning in hierarchical tree (SPIHT) algorithm based on the end scan threshold is proposed in this paper. Because the coding process of the SPIHT needs repeat scanning and sorting, so it takes a lot of extra time and storage space. In order to save the time and space overhead, the end...
Proceedings Article

Computer vision feature recognition method based on Improved Wavelet arithmetic

Lili Liu
in the process of studying on computer vision feature recognition method, with the current algorithm for feature recognition, the amount of calculation is large, and noise is strong, recognition rate is low. For this, a computer vision feature recognition method based on Improved Wavelet arithmetic is...
Proceedings Article

Modeling Analysis for the effect of night environment on athlete’s psychological intervention

ChunSheng Liu
the analysis of the effects of night environment on athlete’s psychological intervention has a momentous significance for promoting the performance of athletes. The traditional algorithm not fully considers the instantaneous and disorder of night environmental psychological change, resulting in the reduced...
Proceedings Article

Optimization design of effective management model of large construction project

Xiao-li Liu
in the management process of large construction projects, the related factors and the influenced parameters are various. A mathematical model of construction project management is complex, it is difficult to form effective project management measures. In the traditional architectural engineering project...
Proceedings Article

Statistical analysis of the spatiotemporal characteristics of loess landslide in Qingyang area of Gansu province

Binwei Zhang, Wanfeng Liu, Xiao Yang, Yue Wang
according to the present situation of loess landslides in Qingyang area through frequent field visits, and statistical information analysis, for the "seven county and one area" administrative division in Qingyang area, the distribution curves and statistical characteristic diagram is established, to...
Proceedings Article

SVM and wavelet analysis method for hydraulic pump fault of rock drilling

Jian-hua Liu, Wen-bin Ma
In order to looking for the fault of rock drilling hydraulic pump, the data of pressure and flow can be collected, from which wavelet analysis was used to find characters of the fault. So a new rock drilling pump fault diagnostic model by SVM was based on the energy value of the data deal with wavelet...
Proceedings Article

Numerical Investigation of Hypersonic Slip Flow

Kai Luo, Yueming Yang, Hua Liu, Xuewei Xin, Xuewei Liu
Rarefied gas effects have to be considered when doing the research and design of hypersonic flight vehicle in near space, in which accurate prediction of flow field and surface properties such as pressure, shear stress and heat flux are needed. Research on the mechanism of hypersonic slip flow must consist...
Proceedings Article

Dynamic characteristics of a spur gear transmission system for a wind turbine

Xin Zhao, Changzheng Chen, Jie Liu, Lei Zhang
A nonlinear dynamic model of a spur gear transmission system is developed with consideration of gear mesh stiffness, backlash, internal and external excitation. Lagrange equation is used which is derived for the vibration of the drive system differential equations. Time process diagram, frequency spectrum...
Proceedings Article

A new practical teaching system to cultivate application-oriented innovative talents majoring in materials science and engineering

C.Q. Zhang, L. Shi, Q.L. Sun, K.G. Liu
Materials and the related manufacturing industry involve every area of the economy, and the corresponding talent demand ranks in the forefront of all industry professionals. However, the defects of current talent training mode and curriculum system limit the quality of talent training. In this paper,...
Proceedings Article

PID and Neural network decoupling control system for special shape pipe automatic welding machine

Wen-bin Ma, Jian-hua Liu
In order to solve special shape pipe automatic welding problem,a new decoupling control system has been introduced,which is constructed on PID and RBF neural network.Input data is from non-contact displacement sensor and angle sensor,and output data has been used to control servo motor which always used...
Proceedings Article

Ground penetrating radar in crack detection to the forward research

Yi Lin, Zhengping Liu
The ground fissure is hidden hazards of ground deformation.Survey work to crackisthe basicofcontrol measures. Geological radar detection as an emerging technology has advantages of rapid, continuity and visibility; according to a practical example of the detection mechanism of landslide cracks, summed...
Proceedings Article

Application Research of PulsON@ 410 UWB Module on Accurate Locating in Substations

Wei-wei Miao, Shi-dong Liu, Wei Li
Based on the analysis of problems encountered by PulsON@ 410 RCM modules when used in substation accurate locating, such as automatic discovery of beacons, a self-organizing protocol is put forward to support the creation, maintenance of beacons network. Also solutions from different aspects are presented...
Proceedings Article

(paper withdrawn) The Preparation and Adsorption Properties of Li+-Imprinted Hybrid Gels

Xiushen Ye, Chaoming Quan, Shichun Zhang, Li Sun, Haining Liu, Zhijian Wu
Several different Li+-imprinted gels were prepared by different precursors. And the gels were characterized by textual properties and point of zero charges (PZCs). The adsorption of Li+ from their aqueous solutions by the gels was investigated. The surface areas of the gels were found to range from 60...
Proceedings Article

Accurate Network Resource Allocation in SDN according to Traffic Demand

Hongyan Cui, Chenhang Ma, Wei Lai, Lili Zheng, Yunjie Liu
The services carried by the Internet have undergone tremendous change over the past decades, along with the emergence of multimedia services and cloud computing, etc. However, there is little change in the framework of network designed primarily for reliable end-to-end communication, which is not suitable...
Proceedings Article

The development and trend of wireless body area networks in the smart clothing field

Dou Tan, Yi Liu
With the advent of the smart clothing, wireless body area network(WBAN) has became particularly important as the information perception stage of smart clothing. Firstly, we introduced the conception of the smart clothing and the wireless body area network briefly. And then we analyzed many traits about...
Proceedings Article

Library Intelligent Bookshelf Positioning System Research

Jian Lan Liu, Li Zhu
Radio frequency identification technology has characteristics of non-contact, flexible radiation direction, efficient speaking, reading and writing data, large information storage capacity, which has attracted many researchers to introduce library information management technology into the library in...
Proceedings Article

Internal Logic of Water Level and Shipping Logistics System based on System Dynamics

Ting Liu
Affected by the global climate change, storms, droughts and other extreme weather occur frequently in recent years. This extreme climate affects the Yangtze River a lot, leading to extreme water levels of Yangtze River occurrence frequently. Changes in extreme water level of the Yangtze River have a...
Proceedings Article

Collaborative Filtering Recommendation Algorithm Based on Improved Similarity Computing

Aili Liu, Baoan Li
At presently the most widely used algorithm is collaborative filtering in the Personalized Recommendation Systems for E-Commerce. Aiming at the problem that the recommendation is not accurate due to the data sparsity, a collaborative filtering algorithm based on user characteristics and item attributes...
Proceedings Article

A New Interface Detection Method Based on Heat Transfer Rate of Oil and Water

Kuijiang Liu, Guoying Zhang, Wei Zhang, Jizhi Zhang
The detection of interface between water and oil is of great significance for the heavy oil exploitation. However, the existing detection techniques have some drawbacks, such as poor efficiency and low accuracy. A new interface detecting method based on the Heat Transfer Rate between oil and water is...
Proceedings Article

Analysis and Simulation for State of Traffic Data based on VANET

Chunran Zou, Zehan Chen, Weihua Ma, Yanlin Liu
Because of fast moving of VANETs node and dynamic topology structure, the traditional wireless self-organized routing protocol is difficult to be directly applied in VANETs. Therefore, the routing protocol of hybrid traffic information perception is proposed. Through the collection of real-time traffic...
Proceedings Article

Research on the Quality Assurance of Acrylic based on the Optical Coherence Tomography

Shenjia Zhang, Guozhong Liu
According to the problem that the quality assurance of acrylic is not reliable, we use the Michelson interferometer theory to build a Spectral-Domain Optical Coherence Tomography system composed by reference arm, sample arm and spectrometer. Obtaining the 2D and 3D pictures, then measuring the thickness...
Proceedings Article

Multi Data Fusion Model Based on Information Entropy in Sensor Network

Li-ming Zhao, He-ping Liu
Data fusion is one of the research hotspots in the field of wireless sensor network. In allusion to the problem of excessive energy consumption of existing fusion methods, a data fusion scheme with minimized energy consumption is proposed in this article on the basis of the compressed sensing theory....
Proceedings Article

Study on Operation Risk Assessment of Electric Power Enterprise based on Fuzzy Analytic Hierarchy Process

Fusen Zhong, Chuanliang Jia, Shiming Liu, Jiali Tan
Power Enterprise Operational risk is a major issue for the power companies. Based on the study of operational risk index system of domestic and international power companies, using the Delphi method to determine the power of operations risk assessment index, then using AHP and fuzzy set theory to determine...
Proceedings Article

A protocol anomaly detection method based on optimized hidden Markov model

Wei Qiu, Yingjie Yang, Yongwei Wang, Dexian Chang, Jiang Liu, Hao Hu
As to solve the issues of insufficient training data and initial parameters sensitive in existing protocol anomaly detection based on hidden Markov model, presenting a new protocol anomaly detection method based on improved genetic algorithm and hidden Markov model. First, the local competitive selection...
Proceedings Article

Study and Application of 220kV Substation Relay Protection Training System

Ting Yuan, He Zhang, Shusen Liu
With the large-scale application of power electronics technology and computer technology in grid operation, automation level of the grid production and operation maintenance in China is increasingly higher, which also proposes higher requirements on the professional theory and skills of frontline staff...
Proceedings Article

Synthesis of Perovskite-type Oxides LaMnO3 Nanofibers via Electrospinning

Jian Zhang, Xin Xu, Hongmei Liu
Perovskite-type cube structure LaMnO3 nanofibers of approximately 50~100 nm in diameter were synthesized via Sol-Gel processing and electrospinning technology after calcined at 900 by using polyvinypyrrolidone (10 wt %PVP) as complexing agents. The nanofibers was characterized by means of scanning electron...
Proceedings Article

Research on Hamilton Graph Determining Algorithm

Hai Liu, Ying Ai Tian, Fang Feng HU, Jiong Xing Jin
This Paper sums up the necessary conditions to discriminate undirected Hamilton graph based on the in-depth research into the graph. The heuristic search strategy corresponding to the new necessary conditions is designed to quickly solve the problem of "determination of undirected Hamilton graph". The...
Proceedings Article

Research on Modeling and Simulating of Harmonic Load Based on APF

Pu Xie, Jin-cheng Zhao, Zheng-chun Liu
With the development of power electronic technology, harmonic load is one of the main reasons for damage to the power quality of the limited capacity power system. Firstly, the functional requirements of harmonic load model in the three-phase four-wire isolated power supply system are carried out according...
Proceedings Article

Power Management Based on Droop Control in DC Microgrid

Pu Xie, Run-Sheng Yang, Jin-ning Liu
This paper deals with a DC-micro-grid with renewable energy and conventional energy. In the DC microgrid system, it is a key problem to keep balance between supply power and demand power. Based on the analysis of the operational priority of micro source and load, the priority model of micro source and...
Proceedings Article

Ball mill feeding based on fuzzy adaptive control system

Bihui Huang, Qiong Liu
In industrial production, material level control of ball mill are normal operation of ball mill is of great significance. In view of the ball mill run time nonlinear, big inertia and strong coupling characteristic, studied a kind of fuzzy PID based on PLC - 300 ball mill feeding control algorithm, based...
Proceedings Article

A practical Shunt Capacitor Placement Algorithm in Distribution Network

Zhilai Lv, Wei Wang, Hai Li, Dejin Wang, Zifa Liu, Yunpeng Wang
For capacitor shunt placement the proposed methods do not consider the following conditions; there are few measures and the first compensation points are easily over compensation in distribution networks. So this paper proposes a practical method that can full of utilize the available measures and avoid...
Proceedings Article

Verifying Outsourced Decryption of CP-ABE with Signature

Hongwei Liu, Xueyuan Wang, Peng Zhang
Attribute-based encryption enables users to encrypt and decrypt messages based on user attributes. The computational complexities of decryption are very high. By Outsourcing decryption to the third party, it can address the problem. But the verifiability of results returned from the third party has yet...
Proceedings Article

The application of LM-BP Neural Network in the Circulating Fluidized Bed Unit

Mengjie Hu, Hujun Ling, Dongxu Liu
Circulating fluidized bed technology is one of the developing direction of clean coal technology which is more reality, and one of the effective ways to solve the thermal power to meet the increasingly stringent environmental requirements. Due to the dynamic process of circulating fluidized bed boiler...
Proceedings Article

The Research of Spread Spectrum Communication Based on the Realization of FPGA

Dajiang Zhang, Jianye Wang, Junjie Liu
It gives the functional block diagram of the transmitter of the spread spectrum communication (SSC) with the spread spectrum code of Pseudo-Noise code and the modulated way of ASK (amplitude-shift keying), and then realized the common ASK transmitter and the corresponding SSC method on the FPGA (field...
Proceedings Article

Development of inspection robot for in-service steel tubular poles

Dabing Chen, Peng Liu, Chenggang Li
The development of an inspection robot for in-service steel tubular poles is described in the article. Based on the design requirement analysis to the steel tubular poles used in China, the design requirement is presented. By compared with the deferent technology, TOFD technique and magnetic wheel are...
Proceedings Article

Analysis of sedimentary facies of the Chang 7 reservoir in Binchang area, Ordos Basin

Lifang Cheng, Yanchun Wang, Xueqing Liu
The sedimentary facies characteristics has been investigated based on the core examination, logging facies analysis and seismic interpretation, Eight types of microfacies grouped into three subfacies associations are recognized in the Chang 7 reservoir. Braided delta front subfacies is rich-sand deposits...
Proceedings Article

Thermal stability and Anti-Corrosion analysis of alloy coatings on Overhead Ground Wires

Kai Guo, Yishu Du, Shuang Liu, Xingeng Li, Zengwu Yue, Min Fu, Xuegang Wang, Xiaoming Wang, Fengjie Yan
In this work, alloy coatings with different Al and Mg content have been prepared on overhead ground wires for Zn-Al-Mg series hot-dip coatings providing good protection on mild steel surface against corrosion. A reinforced thermal stability is confirmed by DSC thermodynamic curves. Furthermore, the enhanced...
Proceedings Article

Research on the Gap Flow Simulation of Debris Removal Process for Small Hole EDM Machining with Ti Alloy

Wenchao Zhang, Yu Liu, Shengfang Zhang, Fujian Ma, Puyong Wang, Changgang Yan
In EDM, especially in small holes EDM machining, there will be a lot of debris produced which is difficult to remove from narrow gap. If the debris can’t be removed in time, it will affect the machining accuracy and efficiency, and sometimes even unable to complete the processing. In this paper, the...
Proceedings Article

Automobile Engine Block Machining Line Simulation

Fuping Li, Zheng Wang, Zhifeng Liu
In this paper, using the production system simulation software Plant Simulation to model and simulate an automobile engine block machining line, and then analysis the simulation data. Experimental data shows that the production line program has a strong production capacity and good economic, which can...
Proceedings Article

Effect of Explosive Properties on the Energy Distribution of Blasting Seismic Waves in Carbonate Rocks

Ming-shou Zhong, Quan-min Xie, Tao Guo, Ying Liu, Hao-quan Liu
This template explains and demonstrates how to prepare your camera-ready paper for Trans Tech Publications. The best is to read these instructions and follow the outline of this text. Please make the page settings of your word processor to A4 format (21 x 29,7 cm or 8 x 11 inches); with the margins:...
Proceedings Article

Reconstruction of missing data in social network Based on Affinity Propagation

Rongxin Liu, Qun Liu
With the appearance of data explosion, important data in incomplete network could be missed caused by some factors. To address the problem, we present a reconstruction framework based on Hawkes process with self-exciting and TAP (Topical affinity propagation) to effectively and efficiently reconstruct...
Proceedings Article

Research on real-time data processing technology for Internet of things

Jia Wu, Dan Su, Chao Liu, Bing Lv, ShengPeng Ji, Xianhui Li, Gang Li
In the age of internet of things, the storage and real-time processing requirements of massive amounts of real-time data generated by sensors, so that the traditional database or data processing architecture has been unable to deal with. Analyzing the processing characteristics of the real-time data...
Proceedings Article

A text classification model constructed by Latent Dirichlet Allocation and Deep Learning

Yu Liu, Zhengping Jin
In this paper, we proposed a mixed model of text classification constructed by latent dirichlet allocation and deep learning. The model present that a text will be represent as a vector computing by latent dirichlet allocation algorithm, and this vector is probabilistic vector of corresponding topic...
Proceedings Article

Fabrication and photocatalytic properties of porous crystalline titanium dioxide film co-doped with Fe and Si by PEO

Miao Wang, Weixin Ren, Xiaoling Zhang, Linzhong Zhu, Jun Zhao, Shujin Shi, Qianqian Liu, Shuang Guo, Yunlong Wang
Porous photocatalytic titania film co-doped with Fe and Si was fabricated on carbon steel substrate by plasma electrolytic oxidation (PEO). The microstructure of the film was investigated and the photocatalytic activity of the film was tested by measuring the photodegradation rate of the organic methylene...