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MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference最新文献

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A two-stage method for harmonic measurement using the wavelet-packet transform 基于小波包变换的两级谐波测量方法
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653287
R. Diego, J. Barros
{"title":"A two-stage method for harmonic measurement using the wavelet-packet transform","authors":"R. Diego, J. Barros","doi":"10.1109/MELCON.2006.1653287","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653287","url":null,"abstract":"This paper proposes a new method, based on the use of the wavelet-packet transform, for the characterization of harmonics in power supply systems. The method proposed, which is compatible with standard IEC 61000-4-7, consists of a two-stage process. In the first stage the fundamental component of the input signal is computed and subtracted from the input signal and, in the second stage the wavelet-packet transform is applied to the resultant signal to compute the rest of harmonic groups in the input signal without the interference of the fundamental component spectral leakage. The results obtained in the application of the method show a good performance in the estimation of the harmonic groups in voltage and current waveforms","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123585885","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
Transport protocol dependent communications in different packet switch architectures 不同分组交换机体系结构中依赖于传输协议的通信
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653197
M. Pustišek, D. Savić, I. Humar, J. Bester
{"title":"Transport protocol dependent communications in different packet switch architectures","authors":"M. Pustišek, D. Savić, I. Humar, J. Bester","doi":"10.1109/MELCON.2006.1653197","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653197","url":null,"abstract":"We investigated the joint influence of different packet switch architectures, controlled and uncontrolled transport layer protocols and transport flow characteristics on the packet switching performance. In network simulator ns2, three packet switch architectures were implemented and combined with UDP and TCP transport. This multilayer model thus combines mechanisms of L1-2 and L4. Additionally, flows with different mean flow size and flow size distribution were applied and the impact transport flow characteristic was analyzed. In particular, the heavy-tail distributed flows were compared to constant flow size. The switching performance measured in terms of packet loss probability and packet delay were analyzed under different traffic loads and buffer sizes. The purpose of the research was thus to understand in more detail a possible impact of new IP traffic patterns (e.g. caused by predominant share of peer-to-peer traffic and corresponding applications) on packet switching systems. The results indicate that the intrinsic characteristics of packet switch architectures reflect in the performance under different transport protocols and flows. The influence of the load or buffer space change is more manageable or predictable, even if we consider the differences among architectures. On the other hand, keeping the same overall load and just replacing the TCP transport with UDP or loading the network with heavy-tail distributed flow sizes or increasing the mean flow size results in more aggressive traffic patterns that may result in a severe deterioration of switching performance","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123685717","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
A novel high-throughput implementation of a partially unrolled SHA-512 部分展开SHA-512的一种新颖的高吞吐量实现
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653036
Fotis Aisopos, Konstantinos Aisopos, Dimitris Schinianakis, Haralambos Michail, A. Kakarountas
{"title":"A novel high-throughput implementation of a partially unrolled SHA-512","authors":"Fotis Aisopos, Konstantinos Aisopos, Dimitris Schinianakis, Haralambos Michail, A. Kakarountas","doi":"10.1109/MELCON.2006.1653036","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653036","url":null,"abstract":"A design approach to create small-sized high-speed implementation of the new version of secure hash algorithm is proposed. The resulted design can be easily embedded to operate in HMAC IP cores, providing a high degree of security. The proposed implementation does not introduce significant area penalty, compared to other competitive designs. However the achieved throughput presents an increase compared to commercially available IP cores that range from 48%-1912%","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121785011","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: 8
Polarization electronics - a path to multifunctional nanoscale materials 极化电子学——通往多功能纳米材料之路
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653022
T. Myers, D. Lederman
{"title":"Polarization electronics - a path to multifunctional nanoscale materials","authors":"T. Myers, D. Lederman","doi":"10.1109/MELCON.2006.1653022","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653022","url":null,"abstract":"An oft-overlooked parameter in semiconductor-based device structures is the presence of induced or spontaneous polarization. Polarization provides an added degree of freedom that can be used to fabricate new and innovative device structures both for electronics and photonics. We present a discussion of two approaches - the use of spontaneous polarization in GaN for nanoscale photonic devices and structures, and the potential for the integration of complex oxides with GaN for induced polarization electronics","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"96 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122554490","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
Swept Wavelenght Optical Six-Port Measurement System 扫波光学六端口测量系统
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653112
Í. Molina-Fernández, P. Pérez-Lara, J. G. Wanguemert-Perez
{"title":"Swept Wavelenght Optical Six-Port Measurement System","authors":"Í. Molina-Fernández, P. Pérez-Lara, J. G. Wanguemert-Perez","doi":"10.1109/MELCON.2006.1653112","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653112","url":null,"abstract":"In this paper we show that the six-port measurement technique developed for metrology applications at microwave frequencies, can be extended up to optical frequencies by means of a designed six-port planar lightwave circuit (PLC). Simulation results of an optical swept wavelength six-port reflectometer show that excellent results can be obtained with such a system for fiber Bragg grating (FBG) characterization","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122719029","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
Accurate consideration of ohmic losses in passive waveguide circuits for microwave and millimeter-wave applications 微波和毫米波无源波导电路中欧姆损耗的精确考虑
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653066
M. Taroncher, J. Hueso, S. Cogollos, B. Gimeno, A. Vidal, V. Boria, Marco Guglielmi
{"title":"Accurate consideration of ohmic losses in passive waveguide circuits for microwave and millimeter-wave applications","authors":"M. Taroncher, J. Hueso, S. Cogollos, B. Gimeno, A. Vidal, V. Boria, Marco Guglielmi","doi":"10.1109/MELCON.2006.1653066","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653066","url":null,"abstract":"The accurate consideration of all ohmic losses effects in waveguide devices is rigorously studied in this paper. For such purposes, a full-wave CAD tool based exclusively on modal methods is originally proposed. Proceeding in this efficient way, losses are precisely considered in all common components of such complex devices, i.e. planar junctions, uniform lines and multi-port circuits implemented in waveguide technology. For verification purposes, we have successfully compared our results for an LMDS filter, an H-plane T-junction and a manifold diplexer with experimental and numerical results","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126189490","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
Detecting masquerading attack in software and in hardware 检测软件和硬件中的伪装攻击
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653228
V. Pejovic, S. Bojanic, C. Carreras, O. Nieto-Taladriz
{"title":"Detecting masquerading attack in software and in hardware","authors":"V. Pejovic, S. Bojanic, C. Carreras, O. Nieto-Taladriz","doi":"10.1109/MELCON.2006.1653228","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653228","url":null,"abstract":"Masquerading attack is one of the most dangerous system intrusions. It is very hard to detect this attack, especially in real time for actual network speed rates. In this work the software and hardware approaches for the detection of attacker are analyzed. It is observed that the software solution could not easily reach the necessary rates and the hardware solution is applied in order to achieve the required throughput. Careful analysis of the bioinformatics pattern matching algorithm that is used indicates that exploiting parallelization could improve the performances. Implementing the modified bioinformatics algorithm in the FPGA can increase for several orders the speed in detection process and achieve the necessary results","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130026617","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
New Concept of Phase-Compensated Butterworth Filters 相位补偿巴特沃斯滤波器的新概念
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653155
R. Kaszynski, J. Piskorowski
{"title":"New Concept of Phase-Compensated Butterworth Filters","authors":"R. Kaszynski, J. Piskorowski","doi":"10.1109/MELCON.2006.1653155","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653155","url":null,"abstract":"This paper presents theoretical concept of time-varying Butterworth filters with compensated group delay response. The compensation of the phase characteristics is carried out with the aid of a phase shifter which is cascade-connected to the structure of the classic Butterworth filter. The parameters of the phase shifter were calculated in this way that the group delay of the designed filter is possible constant in the filter pass-band. Time-varying coefficients were introduced to the phase-compensated filter structure for the purpose of minimization of the filter transient state. This paper contains simulation results of the proposed filters and comparison with the classic circuits","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130254539","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
Financial transmission rights in electricity market 电力市场中的金融传输权
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653251
V. Quintana, G. Bautista
{"title":"Financial transmission rights in electricity market","authors":"V. Quintana, G. Bautista","doi":"10.1109/MELCON.2006.1653251","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653251","url":null,"abstract":"In this paper, financial transmission rights (FTRs) are introduced. First, the basics of FTRs are presented; second, different markets of FTRs are described, namely: i) one-period, ii) multi-period and iii) multi-round, for both forwards and options. Finally, the interaction of FTRs and strategic bidding of generators is studied. It is shown how FTRs can exacerbate market power. Based on a DC-network approximation, a three-node system is used for illustrative purposes","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125081714","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
Lumped Element Bandpass Micromachined Filter Design for DCS1800(GSM) DCS1800(GSM)集总元带通微机滤波器设计
MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference Pub Date : 2006-05-16 DOI: 10.1109/MELCON.2006.1653182
A. Muller, D. Neculoiu, A. Takacs, D. Vasilache, A. Cismaru, F. Giacomozzi
{"title":"Lumped Element Bandpass Micromachined Filter Design for DCS1800(GSM)","authors":"A. Muller, D. Neculoiu, A. Takacs, D. Vasilache, A. Cismaru, F. Giacomozzi","doi":"10.1109/MELCON.2006.1653182","DOIUrl":"https://doi.org/10.1109/MELCON.2006.1653182","url":null,"abstract":"The paper presents the design and electromagnetic simulation of new lumped elements bandpass filter for DCS1800 (GSM) applications. The filter structure is based on membrane supported spiral inductors and bulk silicon supported interdigitated capacitors. By using micromachining technologies the quality factor of the spiral inductor increases so that the bandpass insertion losses of the filter are improved","PeriodicalId":299928,"journal":{"name":"MELECON 2006 - 2006 IEEE Mediterranean Electrotechnical Conference","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2006-05-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130950434","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
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