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2013 21st Telecommunications Forum Telfor (TELFOR)最新文献

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On opinion formation and synchronization in multiplex networks 论多路网络中的意见形成与同步
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716200
Aleksandra Bogojeska, S. Filiposka, I. Mishkovski, L. Kocarev
{"title":"On opinion formation and synchronization in multiplex networks","authors":"Aleksandra Bogojeska, S. Filiposka, I. Mishkovski, L. Kocarev","doi":"10.1109/TELFOR.2013.6716200","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716200","url":null,"abstract":"We study the process of synchronization that takes place on multiplex networks, i.e., on a set of networks linked through interconnected layers. As a measure for synchronization we use the eigenratio between the largest and the smallest eigenvalue of the Laplacian matrix of the multiplex graph. Using this measure we analyze how the synchronization depends on the weight of the interconnection links in a given multiplex network. Furthermore, the main results of this work show that even though a network has a bigger eigenratio than other networks, when it is multiplexed with other networks its synchronization rate can be slowed. The results from this work can be easily applied in modeling and analyzing the process of opinion formation in social networks and synchronization in Smart Grid.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"77 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127640584","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: 11
Phase noise measurement system 相位噪声测量系统
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716296
Nikola Antic, M. Bjelica
{"title":"Phase noise measurement system","authors":"Nikola Antic, M. Bjelica","doi":"10.1109/TELFOR.2013.6716296","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716296","url":null,"abstract":"In this paper, a system for measurement of oscillator phase noise is described. It is based on phase locked loop and uses instruments and components which are readily available in smaller teaching laboratories.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125635219","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
Self-heating spectre model of high frequency voltage regulator 高频稳压器的自热谱模型
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716286
L. Nagy, V. Stopjaková
{"title":"Self-heating spectre model of high frequency voltage regulator","authors":"L. Nagy, V. Stopjaková","doi":"10.1109/TELFOR.2013.6716286","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716286","url":null,"abstract":"This paper addresses a behavioral model development of a high frequency voltage regulator (HFVR) unit with self-heating effects included. Recent power management circuits can dissipate a significant portion of heat that might affect the overall performance of the system. During the design of the systems, based on discrete components, engineers almost exclusively rely on static ambient temperature behavior. The proposed self-heating model deals with the wide dynamic temperature changes of the HFVR integrated circuit which brings the modeling and simulations much closer to the reality.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"453 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125787624","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
TV test signal generator and grabber 电视测试信号发生器和采集器
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716279
Branko Borišev, V. Pekovic, D. Samardzija, M. Leporis
{"title":"TV test signal generator and grabber","authors":"Branko Borišev, V. Pekovic, D. Samardzija, M. Leporis","doi":"10.1109/TELFOR.2013.6716279","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716279","url":null,"abstract":"This paper illustrates a device used for set-top box testings. The primary idea was to create a system which can be used for field work. It would be a part of a bigger system which could test both, input and output functions of end users devices. Its modularity and low-power consumption are one of key benefits of this device. Further improvements on power consumption can lead to developing a system which is powered via a USB connection. The system applies FPGA to implement constant streaming. A USB microcontroller is used as an interface toward a personal computer on which a grabbed digital data is stored, or used as a video generator transmitting video samples and video test patterns.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"159 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128923601","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
Phase stabilization effect in nanosecond microwave Gunn oscillators 纳秒微波Gunn振荡器的相位稳定效应
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716324
V. Kozhevnikov, V. Konev, A. I. Klimov, V. Gubanov, O. Kovalchuk, A. Kozyrev
{"title":"Phase stabilization effect in nanosecond microwave Gunn oscillators","authors":"V. Kozhevnikov, V. Konev, A. I. Klimov, V. Gubanov, O. Kovalchuk, A. Kozyrev","doi":"10.1109/TELFOR.2013.6716324","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716324","url":null,"abstract":"The paper studies the influence of semiconductor structure on microwave oscillation phase stabilization in a nanosecond Gunn oscillator during the modulating voltage pulse rise time. The phase deviation depending on the pulse amplitude and rise time was determined by numerical simulation. The standard deviation of the microwave oscillation phase delay about a fixed level within the modulating pulse rise time and the standard deviation of the microwave oscillation phase difference in two electrodynamically decoupled oscillators were measured.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"119 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133527550","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
Proposal of railway axle counter architecture 铁路车轴计数器结构的提出
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716304
Marko V. Nikolic, Milan D. Milanovic, Ž. Stojković, Nenad Antonic, Bojan D. Kosic
{"title":"Proposal of railway axle counter architecture","authors":"Marko V. Nikolic, Milan D. Milanovic, Ž. Stojković, Nenad Antonic, Bojan D. Kosic","doi":"10.1109/TELFOR.2013.6716304","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716304","url":null,"abstract":"Railway axle counters are used to control occupancy of railway sections. Their typical application is occupancy control of level crossing or open railroad sections within the automatic block system. This paper presents possible architecture of railway axle counter using microcontrollers that fulfill SIL 3 safety level defined by IEC 61508 Standard.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133314029","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
Web-based real-time data acquisition system as tool for energy efficiency monitoring 基于web的实时数据采集系统作为能效监测的工具
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716289
M. Greitans, U. Grunde, A. Jakovičs, S. Gendelis
{"title":"Web-based real-time data acquisition system as tool for energy efficiency monitoring","authors":"M. Greitans, U. Grunde, A. Jakovičs, S. Gendelis","doi":"10.1109/TELFOR.2013.6716289","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716289","url":null,"abstract":"A web-based data acquisition system is proposed as a research tool of the energy efficiency monitoring project of the test stands. Basic requirements for the architecture of the data acquisition system are discussed. The architecture of the data acquisition system is proposed to provide the real-time interface with sensors, to acquire and to log data from all sensors with fixed rate, and to deliver logged data through FTP to the end-user.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"123 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132441434","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: 9
Implementations of Hopfield neural network in communication networks Hopfield神经网络在通信网络中的实现
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716253
N. Kojić
{"title":"Implementations of Hopfield neural network in communication networks","authors":"N. Kojić","doi":"10.1109/TELFOR.2013.6716253","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716253","url":null,"abstract":"Hopfield neural network, as a recurrent neural network, shows very good results in solving a lot of different complex computational problems. Starting from its previous modification, and making the new ones, this network was implemented in different types of communication networks in order to solve some real problems. In this paper, the possibility of intelligent decision making of Hopfield neural network, through the three independent implementations, will be presented. Starting from the problem of dynamic routing, one possible solution for multicast routing in telecommunication networks as well as routing in all optical networks will be presented. Beside this, the modifications of Hopfield neural network could be used for planning and projection of the new network infrastructures. One solution for route selection problem in real physical environment will be shown.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128813250","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
The interface for the pixelated particle detector with the capability of the spectroscopy function and the coincidence measurement operation 具有光谱学功能和符合测量操作的像素化粒子检测器接口
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716290
M. Holik, V. Kraus, J. Broulím, V. Georgiev
{"title":"The interface for the pixelated particle detector with the capability of the spectroscopy function and the coincidence measurement operation","authors":"M. Holik, V. Kraus, J. Broulím, V. Georgiev","doi":"10.1109/TELFOR.2013.6716290","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716290","url":null,"abstract":"An article describes design of the advanced interface primarily dedicated for the silicon pixelated particle detector of the Medipix family. The interface allows to gain information from the pixelated matrix and also to gain spectroscopy information from the common electrode of the pixelated detector. There is also described an implemented functionality enabling applications of the device in the coincidence measurement.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127844430","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
Comparing randomness on various video and Audio Media File types 比较各种视频和音频媒体文件类型的随机性
2013 21st Telecommunications Forum Telfor (TELFOR) Pub Date : 2013-11-01 DOI: 10.1109/TELFOR.2013.6716249
D. Omerasevic, N. Behlilovic, S. Mrdović, A. Sarajlic
{"title":"Comparing randomness on various video and Audio Media File types","authors":"D. Omerasevic, N. Behlilovic, S. Mrdović, A. Sarajlic","doi":"10.1109/TELFOR.2013.6716249","DOIUrl":"https://doi.org/10.1109/TELFOR.2013.6716249","url":null,"abstract":"This paper analyses randomness in various video and audio media file types, like: Joint Photographic Experts Group (JPEG), Waveform Audio File Format (WAV), Flash video (FLV), high-quality, free and open video format for the web (WEBM) and MPEG-1 Audio Layer 3 (MP3). Analysis is done by executing different statistical test. Statistical tests are usually used for testing different both True Random Number Generators (TRNG) and Pseudo-Random Number Generators (PRNG), but we use them in this paper to analyse various media file types instead of TRNGs and PRNGs output results. Proposed methods for analysing are implemented in C programming language, by using one part of ENT (pseudo random number sequence test program) and making additional scripts for faster processing. Comparison of randomness is done by comparing different file types and accompanying results of statistical tests with each other. The results of comparison are presented.","PeriodicalId":121560,"journal":{"name":"2013 21st Telecommunications Forum Telfor (TELFOR)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131673382","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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