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EUROCON 2007 - The International Conference on "Computer as a Tool"最新文献

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Transmission system in 60 GHz Band Using Adaptive Beamforming 采用自适应波束形成的60ghz频段传输系统
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400485
M. Dabrowski, J. Modelski
{"title":"Transmission system in 60 GHz Band Using Adaptive Beamforming","authors":"M. Dabrowski, J. Modelski","doi":"10.1109/EURCON.2007.4400485","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400485","url":null,"abstract":"Usefulness and possibilities of realization of new broadband indoor transmission systems in an unlicensed band near 60 GHz have been presented. The author has analyzed radio channel characteristics in 60 GHz band and properties of uniform linear arrays of antennas using the LMS adaptive algorithm. The author has developed and described a software package in Matlab environment, which is capable of simulating data transmission in a proposed system with two mobile terminals.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115677452","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
Design and Fabrication of MMIC Coupled Lines Coupler Consisting of Composite Right/Left-Handed Transmission Lines 由右/左复合传输线组成的MMIC耦合线耦合器的设计与制造
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400375
S. Simion, G. Sajin, R. Marcelli, G. Bartolucci, F. Craciunoiu
{"title":"Design and Fabrication of MMIC Coupled Lines Coupler Consisting of Composite Right/Left-Handed Transmission Lines","authors":"S. Simion, G. Sajin, R. Marcelli, G. Bartolucci, F. Craciunoiu","doi":"10.1109/EURCON.2007.4400375","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400375","url":null,"abstract":"Coupled-line directional coupler based on CRLH (Composite Right/Left-Handed) cascaded structures is designed, analyzed and then fabricated. The technological realization of the coupler involves one mask process on silicon substrate, using CPWs (CoPlanar Waveguides). The preliminary measurements were also performed, showing that the experimental results fit well the simulation results.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"120 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123106020","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: 7
Power Line Protection Devices in Space Applications 空间应用中的电力线保护装置
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400333
G. Volpi
{"title":"Power Line Protection Devices in Space Applications","authors":"G. Volpi","doi":"10.1109/EURCON.2007.4400333","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400333","url":null,"abstract":"Simple fuses are seldom used on Board of Satellites for power line protections. Besides the obvious consideration that they can not be changed during flight operations, fuse blowing can generate high inductive spikes in the satellite power bus and therefore endanger the operations of other subsystems or units. Active overload protections are therefore the preferred choice in space application. This paper describes a very fast Latching Current Limiter (LCL) that can be placed at power input of any satellite subsystem, providing overload protections without generating dangerous voltage transients. A detailed theoretical analysis of a discrete LCL, followed by experimental characterization on an Elegant Breadboard, will be presented in the paper. A potential Hybrid implementation will lead to a light, flexible, simple and easy to use device.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127256599","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
Removal of Ocular Artifacts from Related Evoked Potentials using VSSLMS Adaptive Filter 利用VSSLMS自适应滤波去除相关诱发电位中的眼伪影
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400625
M. Benkherrat, Radouane Bouguerra, T. Choufa
{"title":"Removal of Ocular Artifacts from Related Evoked Potentials using VSSLMS Adaptive Filter","authors":"M. Benkherrat, Radouane Bouguerra, T. Choufa","doi":"10.1109/EURCON.2007.4400625","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400625","url":null,"abstract":"The electroencephalogram (EEG) signal taken from human scalp during visual cognitive tasks, contains several signals related to the displacement of the oculars globes. This displacement is considered as an artifact. In our study, both EEG and EOG signals were recorded simultaneously and the artifacts were eliminated in real time using a variable step size adaptive algorithm (VSSLMS). The efficiency of the technique used is established by comparing EEG before and after filtering using cross-correlation function. The method is simple to implement in real time.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124867827","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: 3
VHDL-AMS Model of Piezoelectric Actuators for Simulations in Mechatronics and in Power Electronics 用于机电和电力电子仿真的压电驱动器VHDL-AMS模型
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400356
G. Gnad, R. Kasper
{"title":"VHDL-AMS Model of Piezoelectric Actuators for Simulations in Mechatronics and in Power Electronics","authors":"G. Gnad, R. Kasper","doi":"10.1109/EURCON.2007.4400356","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400356","url":null,"abstract":"The VHDL-AMS language provides an excellent opportunity to build a model of piezoelectric actuators. The model comprises the mechanical and the electrical characteristics of piezoelectric actuators. It is designed to be used in electric and mixed signal simulations and it is applicable on varying actuators.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125279362","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
Safe and Optimal Operation of Grid Connected Wind Power Systems by Supervisory Control 基于监控的并网风电系统安全优化运行
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400524
A. Bratcu, I. Munteanu, D. Cernega, M. Culea
{"title":"Safe and Optimal Operation of Grid Connected Wind Power Systems by Supervisory Control","authors":"A. Bratcu, I. Munteanu, D. Cernega, M. Culea","doi":"10.1109/EURCON.2007.4400524","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400524","url":null,"abstract":"A supervisory control approach is used to ensure the safe and optimal operation of a grid connected wind power system. Its global hybrid dynamics may roughly be captured into a hybrid automaton to be controlled by means of a two level hierarchical control structure. The low level continuous controllers perform optimization tasks, specific to different operating regimes. A supervisor placed on an upper level must guarantee the safe transition from an operating regime to another, triggered by some discrete events. The supervisor is designed according to the supervisory control framework, its operation in the partial load region being validated by numerical simulations.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125337489","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
Improved Linearity Active Resistors Using MOS and Floating-Gate MOS Transistors 利用MOS和浮栅MOS晶体管改进线性有源电阻
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400228
C. Popa
{"title":"Improved Linearity Active Resistors Using MOS and Floating-Gate MOS Transistors","authors":"C. Popa","doi":"10.1109/EURCON.2007.4400228","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400228","url":null,"abstract":"A new linearity improvement technique for a CMOS active resistor will be presented, using an anti-parallel connection of two quasi-identical active resistor structures, different biased and opposite excited. The second-order effects that affect the MOS transistor operation will be also taking into account, the proposed linearization method compensating also the linearity degradation imposed by these effects. In order to minimize the silicon area, an original method based on an optimal implementation of the current-controlled voltage generator will be presented. Additionally, the replacing of classical MOS transistors by FGMOS (Floating Gate MOS) active devices will further reduce the circuit complexity, and, thus, the area occupied on silicon, having the result of about two order of magnitude reducing area with respect to a classical resistor. The circuit estimated linearity error is under 1% for an extended input range of plusmn500 mV and for a small value of the supply voltage, VCC = plusmn3 V. The proposed active resistor is designed for low-voltage low-power applications and it is implemented in 0.35 mum CMOS technology, the SPICE simulations confirming the theoretical estimated results.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125409622","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: 3
P2P for MajorEvents: A Hybrid Multimedia Distribution Platform 面向重大事件的P2P:一种混合多媒体分发平台
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400508
M. Tkalcic, J. Tasic
{"title":"P2P for MajorEvents: A Hybrid Multimedia Distribution Platform","authors":"M. Tkalcic, J. Tasic","doi":"10.1109/EURCON.2007.4400508","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400508","url":null,"abstract":"Multimedia content platforms are a hot topic right now with the advent of applications like YouTube.com. Many similar application exist that have their advantages and drawbacks. This paper presents a platform that enhances the idea of user generated content by introducing the peer-to-peer approach as an alternative means of distribution. Besides the centralised and peer-to-peer distribution of multimedia content the platform offers a wide range of additional services like chat, content moderation and presence. The platform is based on open standards, like MPEG21, JXTA, XMPP and TV-Anytime CRID and is a perfect example of interoperability. It also supports DRM solutions although they are not implemented yet. The platform was developed as a new channel for the distribution of information about major events and as an attractor for potential visitors of major events.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115558047","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
Computer Simulation of Routing Protocols for Wireless, Low Power Sensors Network 无线低功耗传感器网络路由协议的计算机仿真
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400397
T. Paczesny, D. Paczesny, J. Weremczuk, R. Jachowicz
{"title":"Computer Simulation of Routing Protocols for Wireless, Low Power Sensors Network","authors":"T. Paczesny, D. Paczesny, J. Weremczuk, R. Jachowicz","doi":"10.1109/EURCON.2007.4400397","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400397","url":null,"abstract":"In the paper, specification of computer network simulator is presented. This application is designed for tests of different types of Wireless Sensor Networks (WSN). In particular the simulator concentrates on routing protocols simulation including energy consumption model which is needed in development of ad-hoc networks. Ad-hoc networks consist of mobile nodes, which organize themselves dynamically without any centralized administration. Nodes in ad-hoc network can route packets extenting range of data transmission, therefore routing protocol is needed. WSN applications will likely use ad-hoc model as it is very suitable in measurement and control systems. Effective protocols, especially in energy conserving manner, must be developed to be used in those applications. Described simulator is designed to stand as a useful tool for such studies.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"185 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116519254","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
Power Flow Calculation for ill-Conditioned Systems. Simplified Newton Method with SVD Partial Regularization 病态系统的潮流计算。SVD部分正则化的简化牛顿法
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400667
C. Barbulescu, S. Kilyeni, A. Ceclan, D. Micu, G. Vuc
{"title":"Power Flow Calculation for ill-Conditioned Systems. Simplified Newton Method with SVD Partial Regularization","authors":"C. Barbulescu, S. Kilyeni, A. Ceclan, D. Micu, G. Vuc","doi":"10.1109/EURCON.2007.4400667","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400667","url":null,"abstract":"The paper illustrates a potential numerical method to be applied when dealing with ill-conditioned systems of equations. Partial regularization of the affected sub matrices for a partitioned global matrix appears to be cost effective and to add stability to the solution process. The effective application refers to the power flow analysis. An illustrative numerical example is presented for a 4 bus power system. The presented method was successfully implemented in a power flow analysis computer program.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122454185","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
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