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7th International Multi Topic Conference, 2003. INMIC 2003.最新文献

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A comparative study of feed forward neural networks and radial basis neural networks for modeling Tokamak fusion process 前馈神经网络与径向基神经网络在托卡马克聚变过程建模中的比较研究
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416745
M. Awais, S. Shamail, N. Ahmed, S. Shahid
{"title":"A comparative study of feed forward neural networks and radial basis neural networks for modeling Tokamak fusion process","authors":"M. Awais, S. Shamail, N. Ahmed, S. Shahid","doi":"10.1109/INMIC.2003.1416745","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416745","url":null,"abstract":"This work is aimed at simulating the neural network based state space models of the Tokamak fusion reactor. Two different types of neural networks have been used in this study to form state space neural networks, namely feedforward neural networks (FFNN) and radial basis neural networks (RBNN). The work presents analysis of FFNN and RBNN based state space models developed for Tokamak reactors. It has been found that the developed neural network state space models are computationally more efficient and equally accurate when compared to the standard state space models. However, initially some time investment is required to train the neural networks. The predictive quality of both FFNN and RBNN has been found to be similar. FFNN are preferred over the RBNN because of their overall less computational load. In general the application of neural networks resulted in time savings up to 95%. This saving in time is a function of number of states, inputs and outputs present in the original state space model.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"81 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117134244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Trade-off between the H/sub 2/ and H/sub /spl infin// in the multi-objective state feedback synthesis through LMI characterizations 基于LMI表征的多目标状态反馈综合中H/sub / 2/和H/sub /spl / in//的权衡
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416740
J. Akhtar, V. Uddin
{"title":"Trade-off between the H/sub 2/ and H/sub /spl infin// in the multi-objective state feedback synthesis through LMI characterizations","authors":"J. Akhtar, V. Uddin","doi":"10.1109/INMIC.2003.1416740","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416740","url":null,"abstract":"The mixed performance and robustness of control problems have been the object of much attention. These various objective problems are rarely encompassed by a single synthesis criterion. While some tracking and robustness are best captured by the H/sub /spl infin// criterion noise insensitivity is more naturally expressed in H/sub 2/ terms, and transient behaviors are easily tuned in terms of L/sub 1/ norms or closed loop damping. We present a methodology for designing mixed L/sub 1//H/sub 2//H/sub /spl infin// controllers for MIMO systems through linear matrix inequalities (LMI) techniques. These controllers allow for minimizing the worst case peak output due to disturbances and noise, and acquire robust pole placement by satisfying multi-objective criteria. A physically motivated example is given to demonstrate the effectiveness of the mix-controller for mix performance and robustness.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117298690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Network layer packet analysis using MENeT 网络层数据包分析使用MENeT
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416681
N. Junejo, N. Ahmed, A. Rajput
{"title":"Network layer packet analysis using MENeT","authors":"N. Junejo, N. Ahmed, A. Rajput","doi":"10.1109/INMIC.2003.1416681","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416681","url":null,"abstract":"Telecommunication networks grow in scale along many dimensions. Among these, one of the dimensions is analysis of network traffic and prediction of the traffic for future networks. The fast growth of DCN (data communication networks) over the past decades has resulted in the development of various network utilities, which perform network evaluation in different domains. We present Monitor for Ethernet Network Traffic (MENeT). The toolkit is an extension. to the earlier developed utility for traffic monitoring. The purpose of MENeT is to capture and dissemble the packets flowing through a LAN (local area network) pipe. The execution mode of the MENeT is absolutely at run time. MENeT tracks the packets as they move on from the lowest layer to the upper layer in the TCPAP protocol stack; it efficiently decrypts all the incoming packets using the RFC (request for comments) standards. The MENeT is developed to be operational on the platform of Windows NT/2000. The results suggest that the MENeT successfully decrypts all the incoming network traffic accurately and efficiently.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"238 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116454900","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Active transceiver design pattern for data communication applications 数据通信应用的有源收发器设计模式
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416761
O. Bashir, M. Hayat
{"title":"Active transceiver design pattern for data communication applications","authors":"O. Bashir, M. Hayat","doi":"10.1109/INMIC.2003.1416761","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416761","url":null,"abstract":"Developers of distributed applications need to write a significant volume of similar code to configure communication components and to achieve reliable and efficient communications in these applications. Moreover, different development environments and operating system utilities provide different interfaces and services to the communications protocol stack. Recently a significant body of work has been conducted in developing extensible object oriented design patterns to document and disseminate solutions to various recurring problems of communicating data between components of distributed applications. Reliable and efficient communications is achieved through the use of event driven and multithreaded components. This paper describes the active transceiver design pattern that focuses on the execution of distributed application components in a multi-threaded environment.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124038448","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thermodynamic, structural and transport properties of Zn/sub 1-x/Cu/sub x/Al/sub 2/O/sub 4/ and Zn/sub 1-x/Cu/sub x/Cr/sub 2/Se/sub 4/ System Zn/sub - 1-x/Cu/sub -x/ Al/sub - 2/O/sub - 4/和Zn/sub - 1-x/Cu/sub -x/ Cr/sub - 2/Se/sub - 4/体系的热力学、结构和输运性质
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416772
M. Khan
{"title":"Thermodynamic, structural and transport properties of Zn/sub 1-x/Cu/sub x/Al/sub 2/O/sub 4/ and Zn/sub 1-x/Cu/sub x/Cr/sub 2/Se/sub 4/ System","authors":"M. Khan","doi":"10.1109/INMIC.2003.1416772","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416772","url":null,"abstract":"Charge carrier transport in mixed metal oxides (AB/sub 2/O/sub 4/), which are low-mobility semiconductors, has been the subject of many experimental and theoretical studies during the past few decades and several other workers have reported structural, electrical and magnetic properties of such compounds. We report experimental data on the electrical conductivity, thermoelectric coefficient, infrared absorption, reflectance spectra and X-ray diffraction measurements of (a) Zn/sub 1-x/Cu/sub x/Al/sub 2/O/sub 4/ and (b) Zn/sub 1-x/Cu/sub x/Cr/sub 2/Se/sub 4/ systems.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"389 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127345872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A parallel distributed environment for Pakistan 巴基斯坦的平行分布环境
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416757
M.U. Mirza, Asim-ur-Rehman, Z.A. Shaikh, O.A. Khan
{"title":"A parallel distributed environment for Pakistan","authors":"M.U. Mirza, Asim-ur-Rehman, Z.A. Shaikh, O.A. Khan","doi":"10.1109/INMIC.2003.1416757","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416757","url":null,"abstract":"Parallel distributed computing systems provide mechanisms for exploiting parallelism inherent in many scientific and engineering applications. One such programming environment that has successfully demonstrated operation on a collection of heterogeneous computing elements incorporated by one or more networks is the parallel virtual machine (PVM). It has been used on high end computing resources such as mainframe computers, multiprocessors, hypercubes, and the like. In Pakistan, the most common computing resource is a low cost PC. The abundance of such machines provides an opportunity to develop and use a \"poor man's supercomputer\". In addition, research on PVM has focused on Unix or similar platforms. None of the formal results, to evaluate certain benchmark applications, are available on Windows-based environments. The work reports the results of the local PVM implementation and compares them with results from conventional implementations of PVM.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"116 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132519931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Design and implementation of a SHARC digital signal processor core in Verilog HDL 基于Verilog HDL的SHARC数字信号处理器核心的设计与实现
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416716
N. Mozaffar, N. Z. Azeemi
{"title":"Design and implementation of a SHARC digital signal processor core in Verilog HDL","authors":"N. Mozaffar, N. Z. Azeemi","doi":"10.1109/INMIC.2003.1416716","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416716","url":null,"abstract":"This work describes the design and implementation of an 8-bit fixed point digital signal processor core in Verilog HDL. The architecture exploits the principles of pipelining and parallelism in order to obtain high speed and throughput. The modules of the design fit on a Xilinx XC4010XL FPGA with 130 K gates running at a clock frequency of 32.31 MHz. The proposed architecture follows the Analog Devices SHARC/sup /spl reg// (super Harvard architecture) DSP standard. This DSP architecture balances a high performance processor core with high performance buses, program memory (PM) and data memory (DM). In the core, every instruction can execute in a single cycle. The buses and instruction cache provide rapid, unimpeded dataflow to the core to maintain the execution rate.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123382579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Developing a framework to implement public key infrastructure enabled security in XML documents 开发一个框架来实现在XML文档中启用安全性的公钥基础设施
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416767
F. A. Alvi, S. Khoja, Z. Jabeen
{"title":"Developing a framework to implement public key infrastructure enabled security in XML documents","authors":"F. A. Alvi, S. Khoja, Z. Jabeen","doi":"10.1109/INMIC.2003.1416767","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416767","url":null,"abstract":"This work concentrates on proposing a framework to implement the PKI which enables security in XML documents, by defining a common framework and processing rules that can be shared across applications using common tools, avoiding the need for extensive customization of applications to add security. The Framework reuses the concepts, algorithms and core technologies of legacy security systems while introducing changes necessary to support extensible integration with XML. This allows interoperability with a wide range of existing infrastructures and across deployments. Currently no strict security models and mechanisms are available that can provide specification and enforcement of security policies for XML documents. Such models are crucial in order to facilitate a secure dissemination of XML documents, containing information of different sensitivity levels, among (possibly large) user communities.","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130331696","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Deterministic simulations of spatial fading correlation for MIMO communication channels MIMO通信信道空间衰落相关的确定性模拟
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416619
U. A. Waheed, D. Kishore
{"title":"Deterministic simulations of spatial fading correlation for MIMO communication channels","authors":"U. A. Waheed, D. Kishore","doi":"10.1109/INMIC.2003.1416619","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416619","url":null,"abstract":"An analytical space-time fading correlation for the multi-input-multi-output (MIMO) channel, as a function of antenna spacing, angle spread, and Doppler spread, is derived and is verified with deterministic simulations. We investigate the performance of the uplink spatial fading correlation of a MIMO channel. We consider four uniform circular array (UCA) elements at both mobile station and base station. The angle of arrival and the angle of departure at the base station and the mobile station are distributed by truncated Gaussian and uniform probability distribution function(s) respectively. For large values of N, the simulation and analytical results agree. The results show that spatial separation between antenna elements can be minimized at the base station by employing two or more antennas at the mobile station","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114991553","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Machine vision toolbox for three-dimensional structure estimation from images 机器视觉工具箱用于从图像中估计三维结构
7th International Multi Topic Conference, 2003. INMIC 2003. Pub Date : 2003-12-08 DOI: 10.1109/INMIC.2003.1416608
S. Kanwal, M. Arif, T. Majeed
{"title":"Machine vision toolbox for three-dimensional structure estimation from images","authors":"S. Kanwal, M. Arif, T. Majeed","doi":"10.1109/INMIC.2003.1416608","DOIUrl":"https://doi.org/10.1109/INMIC.2003.1416608","url":null,"abstract":"The paper discusses a machine vision toolbox using Matlab. which is being developed at PIEAS (Pakistan Institute of Engineering and Applied Sciences) in order to acquire 3D information about a scene from images taken by a moving camera. The recovery of structure is based on the properties of an essential matrix. Experimental results show that the reconstruction appears to be visually correct","PeriodicalId":253329,"journal":{"name":"7th International Multi Topic Conference, 2003. INMIC 2003.","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2003-12-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115419615","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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