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The Concept of the GALILEO Receiver 伽利略接收机的概念
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400322
Adam Lipka, Rafa, Niski
{"title":"The Concept of the GALILEO Receiver","authors":"Adam Lipka, Rafa, Niski","doi":"10.1109/EURCON.2007.4400322","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400322","url":null,"abstract":"The developing of the global European satellite navigation system GALILEO proves to be one of the most significant challenges these days. The following paper provides a brief description of a system itself but first of all it discusses the concept of a GALILEO receiver which takes advantage of the SDR (Software Defined Radio) technology. Both necessary algorithm as well as the concept of a hardware realization are presented. In the final part a conclusion is presented.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"1 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":"129133508","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
Enhancing the Error Detection Capabilities of DCT Based Codecs using Compressed Domain Dissimilarity Metrics 利用压缩域不相似度度量增强基于DCT的编解码器的错误检测能力
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400260
R. Farrugia, C. J. Debono
{"title":"Enhancing the Error Detection Capabilities of DCT Based Codecs using Compressed Domain Dissimilarity Metrics","authors":"R. Farrugia, C. J. Debono","doi":"10.1109/EURCON.2007.4400260","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400260","url":null,"abstract":"Video compression standards are implemented in wireless data transmission technologies to provide multimedia services efficiently. These compression standards generally utilize the Discrete Cosine Transform (DCT) in conjunction with variable length codes (VLC) in order to achieve the required high compression ratios. While providing the necessary high data rates, this technique has the disadvantage of making the system more susceptible to transmission errors. The standard decoders do not manage to detect a large number of corrupted macroblocks, 40.54% not detected for H.263+, contributing to a significant reduction in the end-to-end video quality as perceived by the end-user. This paper presents three dissimilarity metrics which contain both color and texture information and that can be extracted directly from the compressed DCT coefficients. These metrics can be used to enhance the error-detection capabilities of standard DCT based codecs. Simulation results show that the proposed algorithm increases the error detection rate by 54.06% with a gain in peak signal-to-noise ratio (PSNR) of 3.21 dB. This improvement in performance is superior to other solutions found in literature.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"17 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":"130224564","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
Numerical Analysis of a Planarized 3D Isotropic LH Metamaterial based on the rotated TLM scheme 基于旋转TLM格式的平面化三维各向同性LH超材料数值分析
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400626
M. Zedler, C. Caloz, P. Russer
{"title":"Numerical Analysis of a Planarized 3D Isotropic LH Metamaterial based on the rotated TLM scheme","authors":"M. Zedler, C. Caloz, P. Russer","doi":"10.1109/EURCON.2007.4400626","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400626","url":null,"abstract":"In this contribution a planar fabrication technique for the rotated TLM LH metamaterial is presented. Such a realization of the metamaterial cell preserves the electrical topology, thus maintaining isotropic LH behaviour. Numerical simulations of the dispersion relation are carried out proving LH behaviour.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"161 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":"131678390","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
Modeling of Flow Phenomena During the Impulse Plasma Deposition Process 脉冲等离子体沉积过程中流动现象的建模
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400588
M. Rabinski, K. Zdunek
{"title":"Modeling of Flow Phenomena During the Impulse Plasma Deposition Process","authors":"M. Rabinski, K. Zdunek","doi":"10.1109/EURCON.2007.4400588","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400588","url":null,"abstract":"The paper presents computational studies of working medium dynamics in a coaxial accelerator used in the surface engineering for impulse plasma deposition (IPD). Plasma discharge has been investigated with a two-dimensional mono-fluidic snow plow model and a two-dimensional two-fluid magnetohydrodynamic code. Numerical simulations have significantly increased the understanding of phenomena during the process. Analysis of the computational results indicates the direction of the optimization changes in the device design.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"49 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":"126834792","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
Charge Cluster Distribution in Nanosites Irradiated by Single Ionizing Particle - an Experimental Approach 单电离粒子辐照纳米位点中电荷团簇分布的实验研究
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400505
S. Pszona, A. Bantsar, J. Kula
{"title":"Charge Cluster Distribution in Nanosites Irradiated by Single Ionizing Particle - an Experimental Approach","authors":"S. Pszona, A. Bantsar, J. Kula","doi":"10.1109/EURCON.2007.4400505","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400505","url":null,"abstract":"A method for modeling of charge cluster formation by a single ionizing particle in the nanoelectronic structures of few nanometer sizes is presented. The method is based on experimental modeling of charge formation in the equivalent gaseous nanosites irradiated by single charged particle and the subsequent scaling procedure to a needed medium. The example for propane irradiated by alpha particles is presented.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"22 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":"126249277","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
Facing Learning System Design Complexity: Personalization, Adaptation and Reusability 面对学习系统设计的复杂性:个性化、适应性和可重用性
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400630
F. Klett
{"title":"Facing Learning System Design Complexity: Personalization, Adaptation and Reusability","authors":"F. Klett","doi":"10.1109/EURCON.2007.4400630","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400630","url":null,"abstract":"This paper concerns the advanced research field of Web-based learning technologies and recent standardization approaches. It explores the need for reusability and interoperability, and outlines the present state of the relevant standards. This paper also describes the key adaptation concept, and the current implementation of the virtual learning environment in progress called 'Educational Media' (EDMedid). It also includes brief conclusions as well as directions for future work according to up-coming trends in learning technology.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"91 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":"126269290","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
Computer Simulation of Transients Due to Disconnector Switching in Air-Insulated Substations 空气绝缘变电站隔离开关暂态的计算机模拟
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400344
Z. Bajramovic, S. Carsimamovic, M. Veledar, O. Hadzic, A. Carsimamovic, P. Osmokrović
{"title":"Computer Simulation of Transients Due to Disconnector Switching in Air-Insulated Substations","authors":"Z. Bajramovic, S. Carsimamovic, M. Veledar, O. Hadzic, A. Carsimamovic, P. Osmokrović","doi":"10.1109/EURCON.2007.4400344","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400344","url":null,"abstract":"Switching overvoltages due to disconnector switching in air-insulated substations (AIS) are presented. Analysis of shape and levels of switching overvoltages by means of experimental and computing investigations on 220 kV switchyards of Thermo Power Plant (TPP) Kakanj are presented. Computer simulations by means of EMTP-ATP [1] are performed.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"12 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120899025","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
SVD for Image Construction in Ultrasound Tomography SVD在超声断层成像中的应用
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400391
K. Polakowski, J. Sikora, S.F. Filipowiez
{"title":"SVD for Image Construction in Ultrasound Tomography","authors":"K. Polakowski, J. Sikora, S.F. Filipowiez","doi":"10.1109/EURCON.2007.4400391","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400391","url":null,"abstract":"The tomographic images constructions were done with an aid of LSP (linear least squares problem). Proposed methods were illustrated with a numerical simulation results.In this paper we have extended the idea of measurement of an average speed flow to a measuring a speed profile in a cross section or in coaxial surfaces of the pipe. This idea directly leads to a multipath ultrasonic tomography.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"43 5","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2007-12-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120915966","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: 6
A new Optimization Algorithm for the Design of Integrated Circuits 一种新的集成电路设计优化算法
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400252
Jernej Olenšek, Á. Bűrmen, J. Puhan, T. Tuma
{"title":"A new Optimization Algorithm for the Design of Integrated Circuits","authors":"Jernej Olenšek, Á. Bűrmen, J. Puhan, T. Tuma","doi":"10.1109/EURCON.2007.4400252","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400252","url":null,"abstract":"This paper presents a new hybrid algorithm for global optimization of integrated circuits. The algorithm exploits the efficient search mechanism of differential evolution and good global search capabilities of simulated annealing, while avoiding their weaknesses. It is easy to implement and has only a few parameters. The performance of the algorithm is verified on seven real-world cases of integrated circuit design with promising results. The proposed algorithm was implemented in SPICE OPUS simulation and optimization tool and compared with a multistart version of the constrained simplex algorithm. It outperformed the latter in terms of the final solution quality and speed.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"590 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":"121055895","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
Communication Networks for Vehicular Electronic Devices 车载电子设备的通信网络
EUROCON 2007 - The International Conference on "Computer as a Tool" Pub Date : 2007-12-26 DOI: 10.1109/EURCON.2007.4400227
M. Domínguez, P. Marino, F. Poza, S. Otero
{"title":"Communication Networks for Vehicular Electronic Devices","authors":"M. Domínguez, P. Marino, F. Poza, S. Otero","doi":"10.1109/EURCON.2007.4400227","DOIUrl":"https://doi.org/10.1109/EURCON.2007.4400227","url":null,"abstract":"The electrical circuits and their electronic control units (ECUs) in buses and coaches are essential for their good working. Drive, braking, suspension, opening door, security and communication devices must be integrated in a reliable and real time information system. The industrial communication networks or fieldbuses are a good solution to implement networked control systems for the onboard electronics in the public transport buses and coaches. The authors are working in the design of multiplexed solutions based on fieldbuses to integrate the body and chassis functions of city public transport buses. An example for the EUR05 model of the Scania manufacturer is reported in this paper. The authors are also working in the implementation of new modules based on FPGAs (Field Programmable Gate Arrays) that can be used in these networked control systems.","PeriodicalId":191423,"journal":{"name":"EUROCON 2007 - The International Conference on \"Computer as a Tool\"","volume":"67 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":"124982157","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: 5
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