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For Selected: Download Citations EndNote Ris BibTeX Toggle Thumbnails Select Harmful Intrusion Detection Method Based on Two-Dimensional K-S Test in Reconfigured Background for Optical Fiber Pre-Warning System QU Hongquan,WANG Tianqi,BI Fukun,ZHENG Tong Journal of Jishou University（Natural Sciences Edition)    DOI: DOI:10.3969/j.cnki.jdxb.2017.01.005 Select Design of the Address Encoder of Fully-Integrated RF Launching Chip TANG Zanyu，HU Xiaodong Journal of Jishou University（Natural Sciences Edition)    DOI: DOI:10.3969/j.cnki.jdxb.2017.01.006 Select Medical Image Registration Algorithm Based on Fourier-Mellin Transformation LEI Chaoyang，LIU Junhua，LI Qiao Journal of Jishou University（Natural Sciences Edition)    DOI: DOI:10.3969/j.cnki.jdxb.2017.01.007 Select Speech/Music Discrimination with High Accuracy Based on Deep Belief Network TIAN Wanglan Journal of Jishou University（Natural Sciences Edition)    DOI: DOI:10.3969/j.cnki.jdxb.2017.01.008 Select Dynamic and Time-Historical Analysis of Elasto-Plasticity ofY-Shape Traverse with Steel Pipe Trusses XIAO Shijie,ZHANG Zaihua Journal of Jishou University（Natural Sciences Edition)    DOI: DOI:10.3969/j.cnki.jdxb.2017.01.009 Select Application of Decision Tree in Bank Customer Classification YIN Peng-Fei, OU Yun journal6    2014, 35 (5): 29-32.   DOI: 10.3969/j.issn.1007-2985.2014.05.008 Abstract （3019）      PDF（pc） （311KB）（2834）       Knowledge map    Save Decision tree is applied to classify the credit card customers of bank,and thus a classifying model is constructed.The features of different types of customers are discovered accordingly,which provides a best strategy for promoting the bank's credit card business. Reference | Related Articles | Metrics | Comments（0） Select Intrusion Detection of Network Security Based on Semi-Supervision ZHU Shao-Ping journal6    2014, 35 (5): 33-36.   DOI: 10.3969/j.issn.1007-2985.2014.05.009 Abstract （2411）      PDF（pc） （358KB）（1568）       Knowledge map    Save For the features of fast upgrading,strong concealment,and great randomness possessed by net intrusion,a method for intrusion detection of network security based on semi-supervised learning is proposed.The Boosting is used to build the fuzzy classifier of intrusion detection.Genetic algorithm is used to improve the iterative training,and the final the intrusion detection model of network security is thus generated.The results show that this algorithm can effectively improve the performance and efficiency of intrusion detection of network security.Compared with SVM and other advanced methods for intrusion detection,this method can detect the various types of invasion with greater accuracy,better effect and higher application value. Reference | Related Articles | Metrics | Comments（0） Select Structural Damage Identification Based on Strain Modal Flexibility Curvature ZHUO De-Bing, TAO Jie journal6    2014, 35 (5): 37-42.   DOI: 10.3969/j.issn.1007-2985.2014.05.010 Abstract （2393）      PDF（pc） （611KB）（1765）       Knowledge map    Save Stochastic subspace identification was utilized to extract modal parameters from the structural response signals,by which the modal flexibility curvature (MFC) was constructed to detect structural damage.A numerical model of simple beam using line elements was employed to compare the results between the displacement modes and strain modes by means of the above procedure.In addition,a simple beam model constructed by solid elements was also used to investigate the effect of recorded locations of strain signals on the damage identification.The results show that the strain modes are better than displacement modes in locating damage under the effect of noise;however,the recorded places of strain signals should be near the damaged parts. Reference | Related Articles | Metrics | Comments（0） Select Current Situation and Development Trend of Tunnel Monitoring System WU Zhong-Jie, LUO Gen-Chuan, LIU Xin-Xi journal6    2012, 33 (6): 70-76.   DOI: 10.3969/j.issn.1007-2985.2012.06.017 Abstract （7684）      PDF（pc） （508KB）（2492）       Knowledge map    Save The informationized construction is the major  construction idea of tunnel safety,and data collection and information management are the main content of the informationized construction,which are also the core part of the tunnel monitoring system.Monitoring is the main way of data collection.A brief introduction of its role,content,instruments and applications in engineering is given in this paper.According to the different ways of information management and processing,monitoring data management is broadly divided into traditional management method and monitoring data processing information management system method.Their characteristics are described respectively.In addition,a brief introduction is given for the current situation of danger forecast standard.Finally,the shortage of the tunnel monitoring system and the main trend of development are presented. Reference | Related Articles | Metrics | Comments（0） Select Optimized Implementation of Block Cipher Algorithms on MyriaNed Sensor Platform WEN Ya-Min, HE Xiao-Lian journal6    2012, 33 (5): 66-69.   DOI: 10.3969/j.issn.1007-2985.2012.05.017 Abstract （2210）      PDF（pc） （303KB）（1534）       Knowledge map    Save In this paper,we mainly introduce a software-oriented method to implement AES,SKIPJACK and KLEIN block ciphers on MyriaNed platforms.The implementation is well-balanced by considering security,performance and costs.Based on the comparison of memory costs and processing speed,KLEIN shows obvious better results than AES on MyriaNed Platform. Reference | Related Articles | Metrics | Comments（0） Select Survey of High Dynamic Range Image Tone Reproduction Technology LIU Hui, HU Min journal6    2012, 33 (5): 70-73.   DOI: 10.3969/j.issn.1007-2985.2012.05.018 Abstract （3409）      PDF（pc） （303KB）（1341）       Knowledge map    Save It is difficult to visualize the high dynamic range image (HDRI) using common display devices.This paper introduces the tone reproduction algorithms that can transform a HDRI into a reduced dynamic range image which can be displayed on,common display devices.Gobal tone reproduction algorithms and local reproduction algorithms at home or abroad are introduced,classified,and the drawbacks and strengths of all algorithms are given according to the author’s opinions.The problems of current research on this aspect are explained,and constructive suggestions are given.Finally,the developing trend of tone reproduction algorithms is prospected. Reference | Related Articles | Metrics | Comments（0） Select Fractal graphics Based on the Petri-net SHE Zhao-Bing journal6    2012, 33 (5): 74-77.   DOI: 10.3969/j.issn.1007-2985.2012.05.019 Abstract （2867）      PDF（pc） （359KB）（3006）       Knowledge map    Save In fractal graphics technology，there are the issues of complex iterations,intensive computation,fixed model and so on.Inspired by the theory of Petri-net on the modeling control and parallel computation,the fractal technology combined them in order to resolve those problems.Experiments show improved algorithm to map out a complete,correct graphics,and the computation time of the original algorithm reduced to about 10 times. Reference | Related Articles | Metrics | Comments（0） Select Weighted   Minimization for Compressive Sensing Image Reconstruction in Wavelet Domain ZHANG Jun journal6    2012, 33 (4): 83-86.   DOI: 10.3969/j.issn.1007-2985.2012.04.019 Abstract （2506）      PDF（pc） （522KB）（2317）       Knowledge map    Save Compressive sensing has received much attention in the signal processing field for it can reconstruct a signal or image from surprisingly few samples.In this paper,the author investigates the wavelet domain image reconstruction problem and proposes a weighted  li  minimization algorithm to reconstruct the images.The proposed method utilizes not only the sparsity of signals,but also incorporates the structure information of images in wavelet domain.Hence,compared with the classical compressive sensing algorithm,the proposed method has better recoverability.Simulation results show that the proposed method has achieved the same equality image from few samples,which demonstrates the validity of the proposed method. Reference | Related Articles | Metrics | Comments（0） Select Analysis of Formal Concept of the Space Non-Cooperative Target MA Bao-Lin, GUI Xian-Zhou journal6    2012, 33 (4): 87-90.   DOI: 10.3969/j.issn.1007-2985.2012.04.020 Abstract （3699）      PDF（pc） （339KB）（3292）       Knowledge map    Save Non-cooperative target refers to the space target which cannot provide effective information. Based on the analysis of the limitations of non-cooperative target definition in recent years,this paper discusses the concept of non-cooperative target according to formal concept theory.The description derived in this paper can basically reflect the domains and attributes of non-cooperative target. Reference | Related Articles | Metrics | Comments（0） Select Data Collection System of on-Line Signature Verification GAO Wei-Xia, HAN Xin-Feng, ZHANG Yong-Feng journal6    2012, 33 (4): 91-94.   DOI: 10.3969/j.issn.1007-2985.2012.04.021 Abstract （2960）      PDF（pc） （350KB）（1813）       Knowledge map    Save Due to its safety and convenience,online signature verification is especially useful for banking and financial system and personal identification．So the basis of online signature verification data collection of handwriting is very important for followed verification’s accuracy．STM32F103C8，touch screen and touch panel controller TSC2046 and SD card are used to collect and save three-dimensional data of handwriting including stress information．The experimental results show that,the design of the online signature data acquisition and transmission system for high precision,stability and reliability,strong anti interference ability,has the very good identification effect. Reference | Related Articles | Metrics | Comments（0） Select Design  of Network on Chip System WEI Liang-Fen, WANG Yong journal6    2012, 33 (3): 57-60.   DOI: 10.3969/j.issn.1007-2985.2012.03.014 Abstract （3058）      PDF（pc） （317KB）（2015）       Knowledge map    Save Network on Chip(NOC) has received great attention in recent years.In this paper,the basic composition structure of NOC system is  introduced,and the essential design process  based on NOC is summarized.Besides,the key technology of  and the direction for NOC study are proposed. Reference | Related Articles | Metrics | Comments（0） Select Bridge Monitoring System with Wireless Sensor Networks Based on Tree Structure ZHANG Qing-An journal6    2012, 33 (3): 61-65.   DOI: 10.3969/j.issn.1007-2985.2012.03.015 Abstract （2558）      PDF（pc） （541KB）（1983）       Knowledge map    Save Wireless sensor network with new tree structure applied in bridge health monitoring keeps the advantages of wired network monitoring and covers the shortage of complex wiring.With the material performance aging over time,the safety performance of the bridge structure will decrease.Due to the feature of service direction,the waste of resources can be reduced and the communication efficiency can be improved.Through data collection,transmission and receiving and data analysis,bridge monitoring system based on novel tree structure is established,which improves the system energy efficiency and life cycle and also increases the system crudeness and data transmission efficiency. Reference | Related Articles | Metrics | Comments（0） Select Comparison of Root-MUSIC and PM Algorithm with MUSIC HUANG Guang-Ya journal6    2012, 33 (2): 67-71.   DOI: 10.3969/j.issn.1007-2985.2012.02.016 Abstract （3529）      PDF（pc） （318KB）（5067）       Knowledge map    Save Root-MUSIC and PM which are aimed to reduce complexity of calculation have been discussed and compared with MUSIC in this article.Root-MUSIC algorithm reduces complexity of calculation by calculating polynomial roots,while  PM algorithm by using matrix multiplication instead of eigen-decomposition.The simulation demonstrates,among the three algorithms,Root-MUSIC performs best in the case of a small amount of array elements;otherwise,PM will be better. Reference | Related Articles | Metrics | Comments（0） Select Sliding Mode Circuit Design of High-Order Σ-Δ  Modulators TAN Zi-You, YANG Xi journal6    2012, 33 (2): 72-77.   DOI: 10.3969/j.issn.1007-2985.2012.02.017 Abstract （2956）      PDF（pc） （585KB）（1770）       Knowledge map    Save A novel sliding mode circuit approach for implementing  high-order Σ-Δ modulators is proposed in this paper.Firstly,the Σ-Δ modulating coding function is prooved,and then the stability criterion of transfer function for high-order  Σ-Δ modulators is deduced.Secondly,the stability design algorithm of transfer function using the deduced criterion,Butterworth poles and zeros optimization is introduced.Finally,the circuit implementation of  Σ-Δ  modulators with cascading loop-filters is completed by using the solution of parameter equations and simulation modifications.A design example and simulation results verify that the proposed method is feasible. Reference | Related Articles | Metrics | Comments（0） Select Image De-Noise Based on Wavelet Threshold Shrinkage SONG Zhi-Guo, ZHANG Yin-Xing, DENG Xiao-Fei journal6    2012, 33 (2): 78-79.   DOI: 10.3969/j.issn.1007-2985.2012.02.018 Abstract （3188）      PDF（pc） （1396KB）（2780）       Knowledge map    Save The image denoising experiment,using biorthogonal wavelet and applying VisuShrink thresholds and BayesShrink thresholds,is conducted to images mixed with Gaussian white noise through the hard threshold function and the soft threshold function respectively.The results show that denoising effect of the hard VisuShrink threshold is better than that of soft VisuShrink threshold;the denoising effect of the soft BayesShrink threshold is better than that of hard BayesShrink;and BayesShrink can have a better denoising effect only in the soft threshold function. Reference | Related Articles | Metrics | Comments（0） Select Design of Adaptive Filter Based on  the Normalized Least-Mean-Square Algorithm ZHANG Yin-Xing, YANG Hui-Yuan, SONG Zhi-Guo journal6    2012, 33 (2): 80-83.   DOI: 10.3969/j.issn.1007-2985.2012.02.019 Abstract （3453）      PDF（pc） （736KB）（3448）       Knowledge map    Save The convergence rate of the Normalized Least-Mean-Square(NLMS) algorithm with variable step length  is higher than that of the Least-Mean-Square algorithm,and the Field Programmable Gate Array (FPGA)design of the adaptive filter using Altera DSP Builder and QUARTUS II 7.2 is accomplished. Reference | Related Articles | Metrics | Comments（0） Select Software Design  Improvements of Video Electronic Police Front-End System YI Lian-Jie, HU Shuang-Yan journal6    2012, 33 (1): 65-68.   DOI: 10.3969/j.issn.1007-2985.2012.01.017 Abstract （2588）      PDF（pc） （379KB）（2147）       Knowledge map    Save Based on analysis of the advantages and the disadvantages of the  previous electronic police system,an improved front-end system scheme is proposed.This scheme uses 2 to 4 virtual coils to detect the vehicle  running the red light.In order to improve the detection rate,a portion sample pixels’ changing of each coil  is used as the basis to detect the vehicles which fail to stop at the red light,and this approach is practical.In actual use,the numbers and detecting areas of the virtual coils can be adjusted according to the scene,which can achieve better results. Reference | Related Articles | Metrics | Comments（0） Select Design and Implement of Open CNC FDM Control System HE Xin-Ying, PAN Xi-Qi journal6    2012, 33 (1): 69-71.   DOI: 10.3969/j.issn.1007-2985.2012.01.018 Abstract （3781）      PDF（pc） （318KB）（1980）       Knowledge map    Save As one of the rapid prototyping technology,fused deposition modeling has developed rapidly.In order to meet the requirements of low cost,a kind of  single microcomputer control system based on the open bus structure has been designed,including the hardware system structure and software system structure,by using the modular design.The control system has very important practical value and theoretical significance to reduce volume and costs at the premise of maintaining  the stability and control precision. Reference | Related Articles | Metrics | Comments（0） Select Design and Implementation of Remote Direction and Supervision of Thesis Based on  B/S Model ZHU Chang-Cheng, JIANG Zhen-Ming, LIU Da-Wei journal6    2012, 33 (1): 72-75.   DOI: 10.3969/j.issn.1007-2985.2012.01.019 Abstract （2504）      PDF（pc） （330KB）（2196）       Knowledge map    Save Traditional paper media management mode is not beneficial for teachers to direct and supervise students writing thesis,and it was  not beneficial for the administrative department to effectively supervise the whole progress either.Based on B/S structure and MVC mode,the system introduced in this paper uses electronic document as the media to realize the digital management of the thesis writing,and thus avoids the disadvantages of the traditional management mode. Reference | Related Articles | Metrics | Comments（0） Select Representative Structures from XML Documents Based on Clustering Techniques ZHUO Yue-Ming journal6    2011, 32 (6): 55-58.   Abstract （2082）      PDF（pc） （209KB）（2850）       Knowledge map    Save Since an XML document can be represented as a tree structure,the problem how to cluster a collection of XML documents can be considered as how to cluster a collection of tree-structured documents.The author used SOM (Self-Organizing Map) with the Jaccard coefficient to cluster XML documents.Then,an efficient sequential mining method called GST was applied to find maximum frequent sequences.Finally,the author merged the maximum frequent sequences to produce the common structures in a cluster. Reference | Related Articles | Metrics | Comments（0） Select On-Line Nonlinear and Non-Gaussian Visual TrackingUsing Particle Filters CHEN Jia-Liang, SHI Cao journal6    2011, 32 (6): 59-61.   Abstract （2320）      PDF（pc） （229KB）（2409）       Knowledge map    Save The problem of visual tracking under non-Gaussian and non-linear assumption is addressed.Recent advances in sequential Monte Carlo techniques,especifically in particle filter algorithm,allow us to model and track the posterior distribution defined by Bayesian model using a collection of targets states.That collection can be viewed as samples from the posterior of interest.The proposed algorithm takes the degeneracy problem and resampling into consideration.Experimental results show that our approach can yield robust and stable tracking performance. Reference | Related Articles | Metrics | Comments（0） Select Network Performance Monitoring  System Based on Solarwinds Orion TIAN Sheng-Jun journal6    2011, 32 (6): 62-64.   Abstract （3385）      PDF（pc） （907KB）（3123）       Knowledge map    Save A campus network performance real-time monitoring based on the Solarwinds Orion is studied.Combined with practical experience in network operation and maintainnance,the monitoring results are analyzed,which can greatly improve the network management and the recovery processing efficiency.The study in this paper will provide a reference for digital campus construction and management. Reference | Related Articles | Metrics | Comments（0） Select Investigation of Plasma Inducing Static Air  Flow LI Feng, SHANG Shou-Tang, CHENG Ming, SUN Bai-Gang, GUO Rui-Qing, ZHAO 二Lei, YANG Hui journal6    2011, 32 (6): 65-68.   Abstract （3107）      PDF（pc） （886KB）（1970）       Knowledge map    Save In this paper,plasma inducing static air flow is investigated,in which the plasma is generated by a high-voltage RF (radio frequence) actuator  and  the affection of different plasma actuator excitation intensities，size and situation to the flow field are analyzed.The  investigative results show that the plasma actuator can induce  and  accelerate the static air  flow，the flow accelerative character of the plasma actuator is significant and can be used to control flow，such as drag-reduction and acceleration of the vehicle,flow separation control of the engine inlet,or thrust-vectoring control of engine exit flow. Reference | Related Articles | Metrics | Comments（0） Select Preparation of a New Fiber Membrane Bioreactor and Its Application forTreatment of Wastewater HE De-Wen, JIANG Chong-Wen, LIU Lei, ZHOU Huan-Nian, LIANG Ding-Min journal6    2011, 32 (6): 69-73.   Abstract （2669）      PDF（pc） （345KB）（2054）       Knowledge map    Save In this paper,the effects of experimental conditions including the membrane bioreactor (MBR) equipped novel device and different operating modes on permeate flux were studied.The results show that the MBR equipped novel device can reduce the resistance and enhance the flux,decreasing the total resistance (Rt=9.649) to 5.962 and increasing the permeate flux to 15~20 L/m2h.The permeate flux of intermittent operating mode is more than that of continuous operation and the value of the permeate flux is between 15l/m2h and 20l/m2h.The MBR equipped novel device which adopting intermittent operating mode is most effective in this study and the value of permeate flux is between 20l/m2h and 251/m2h. Reference | Related Articles | Metrics | Comments（0） Select Noise Pollution Monitoring of Commerce-Residence Buildings HUANG Xue-Feng, WU Peng journal6    2011, 32 (6): 74-77.   Abstract （2256）      PDF（pc） （167KB）（2395）       Knowledge map    Save This paper probes into the monitoring technology and noise standard in mediation of noise pollution disputes of commerce-residence buildings through typical case analysis.It has certain reference value for establishing and adjusting  the relevant noise standards,and it can also provide some guidance to similar pollution dispute mediation. Reference | Related Articles | Metrics | Comments（0） Select Analysis of Stability for Carbon Shale High-Filled Embankment AO Yi-Bing, LIU Xin-Xi, YANG Zi-Han, WANG Yi-Ming journal6    2011, 32 (5): 69-74.   Abstract （2975）      PDF（pc） （679KB）（2114）       Knowledge map    Save Taking  the highway in Guangxi province as the example，the physical and mechanical performance of carbon shale is tested.The strength of carbon shale  increases with the degree of compaction augment,while the strength  greatly decreases under the condition of water immersion carbon shale.Using the strength reduction finite element method,the influence on compaction and rainfall for carbon shale embankment stability is analyzed by large finite element calculation software.The results show that the safety coefficient of embankment will  increase,when the compaction degree  increases;while it will significantly decline with rainfall.When the compaction degree is up to more than 93%,the carbon shale high-filled embankment slope will be steady-going. Reference | Related Articles | Metrics | Comments（0） Select Design and Implementation of Intelligence Reform based on Fixed-Network LIU Cui-Hua Journal of Jishou University(Natural Sciences Edition)    2011, 32 (4): 75-78.   Abstract （2248）      PDF（pc） （345KB）（2140）       Knowledge map    Save At present the fixed telephone networks of telecom operators have developed in large scale,but in the fierce market competition,how to optimize the network structure,improve network resource utilization,open a variety of intelligence services,enhance the market competitiveness are imperative problems to be solved by telecom operators in order that a breakthrough can be found.Based on the status quo of  Hunan Tietong communications network,a reform program of fixed intelligence is proposed to make full use of fixed telephone network resources,optimize the network structure,achieve fixed-network intelligence,open a variety of intelligence services,meet the customized needs of subscribers,enhance the market competitiveness,and make the PSTN network produce max economic benefits,.This paper describes the main problems of the current PSTN network,the purpose,basic principle and services of fixed-network intelligence.Finally this paper analyses the fixed-network intelligence reform program and the improved efficiency after reform. Reference | Related Articles | Metrics | Comments（0） Select Construction Techniques of the Seamless Railway Track and Quality Control Specification HU Wei-Zhen journal6    2011, 32 (4): 79-82.   Abstract （2437）      PDF（pc） （189KB）（2472）       Knowledge map    Save This text introduces the welding and installation of the seamless track in the some existing railway reconstruction engineering, describes the main construction techniques and the quality control specification in consideration of the stress dispersion and stress-free temperature during the track welding. Reference | Related Articles | Metrics | Comments（0） Select Face Recognition Based on Linear Transformation Theory TAN Zi-You, LIANG Jing journal6    2011, 32 (3): 55-58.   Abstract （3170）      PDF（pc） （292KB）（2615）       Knowledge map    Save This paper mainly introduces the application of linear transformation matrix in pattern recognition,face recognition based on Principal Component Analysis (PCA) and Two-dimensional Principal Component Analysis (2DPCA).and the source and algorithm in matrix theory.A kind of innovative method of analyzing is put forward,namely PCA+2DPCA,which is to get the engenvector through 2DPCA and achieve the optimal compress through PCA,and thus reduce the number of dimensions. Reference | Related Articles | Metrics | Comments（0） Select Overview of Energy Efficient Routing Protocols in Wireless Sensor Networks DENG Xiao-Fei, XU Qian, HUANG Guang-Ya journal6    2011, 32 (3): 59-62.   Abstract （2746）      PDF（pc） （217KB）（2009）       Knowledge map    Save Energy efficiency is a hot and key research point in wireless sensor networks routing protocols.The development of energy efficient routing protocols in wireless sensor networks is introduced.Then the fault tolerance and robustness of the protocols are studied.And the applications of the protocols are given.According to the current researches on the protocols,the prospective research of energy efficient routing is summarized.The commercialization and industrialization of the wireless sensor networks may be promoted. Reference | Related Articles | Metrics | Comments（0） Select Application of CNC Lathe Based on Gun Drill System ZHANG Qun-Ying, DONG Da-Hua journal6    2011, 32 (3): 63-66.   Abstract （3935）      PDF（pc） （281KB）（2054）       Knowledge map    Save Nuclear reactor inner component is the most critical nuclear equipment because it must be able to endure the irradiation of high neutron fluence and the corrosion of the coolant and it must remain adequate strength in high temperature and under great load.Aiming at the problems of reactor in-pile shore,reactor core shore,reactor core quadratic shore and deep hole processing,the gun drill system is introduced in CKD6183×3000 CNC lathe produced by Jinling Machine Co. Ltd.This method not only solve the problem of postwelding deep hole processing,but also meet the customers' requirements for increasing the precision,reducing the operator labor intensity,and improving the production efficiency. Reference | Related Articles | Metrics | Comments（0） Select Application of Series Compensation in Sewage Plant Power System ZHU Jing-Gang, LI Xiao-Mei, SONG Zhi-Jie journal6    2011, 32 (3): 67-69.   Abstract （2274）      PDF（pc） （241KB）（2014）       Knowledge map    Save Based on the characteristics of power system and the actual operating experience of sewage plant power system,this article detailedly discusses how to use the series compensation mode of reactor and condenser to realize harmonic governance and reactive power compensation. Reference | Related Articles | Metrics | Comments（0） Select Analysis of Noise at Work in Different Eccentricity and Times the Shear Coefficient of IHI Swing-Flying Shearing LI Qin, TANG Qian-Peng journal6    2011, 32 (3): 70-73.   Abstract （2301）      PDF（pc） （442KB）（2052）       Knowledge map    Save The paper analyses the structure and operating principles of IHI swing-flying shearing，then establishes the kinematics model for shearing framework,and compiles analysis program with powerful MatLab language in mathematic and graphics.Movement track curves for edge of shearing-knife are obtained in different eccentricity and different times.This paper also explores the noise influence in shearing work of different eccentricity and times from quick return characteristics of trajectory. Reference | Related Articles | Metrics | Comments（0） Select Combustion   Captibility  Comparison  of  Single Annular Combustor  and  Dual  Annular Combustor LI Feng, CHENG Ming, LI Long-Xian, PENG Lang-Qing, SHANG Shou-Tang journal6    2011, 32 (2): 65-70.   Abstract （4944）      PDF（pc） （2819KB）（4601）       Knowledge map    Save In order to change a Single Annular Combustor(SAC) into a Dual Annular Combustor(DAC),the authors kept the diffuser,outer case and atomize of the SAC unchanged,redesigned the combustor from a single annular structure into a dual annular structure，and designed six different structure DAC.Taking the same physical models(including the turbulence,radiation,spray and emission models),simulations of three dimensional two-phase reacting turbulent flow in both the SAC and DAC were developed in the Fluent Code.The  total-pressure recovery coefficient,temperature distribution and exhaust emission levels were given.Finally,by comparing the simulation results,the feasibility of displacing the SAC into DAC structure  was certified. Reference | Related Articles | Metrics | Comments（0） Select Analysis and Application of Building Settlement Based on Settlement Observation Method ZHOU Pin-Zhi journal6    2011, 32 (2): 71-73.   Abstract （2458）      PDF（pc） （303KB）（2156）       Knowledge map    Save Taking the settlement observation of hunan rural credit cooperatives union hengyang office building for example, analysis and research given to different points such as:settlement observation point location, practice of settlement observation, methods and cycle arrangement for settlement observation etc.Also supply solutions and constructive comments. Reference | Related Articles | Metrics | Comments（0） page Page 1 of 3 Total 83 records First page Prev page Next page Last page