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Anais do XXVI Simpósio Brasileiro de Telecomunicações最新文献

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Joint Outage Probability: An Exact Formulation for the Outage Problem in Wireless Systems 联合中断概率:无线系统中断问题的一个精确公式
Anais do XXVI Simpósio Brasileiro de Telecomunicações Pub Date : 1900-01-01 DOI: 10.14209/sbrt.2008.42384
F. Calmon, M. Yacoub
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引用次数: 0
A Software for Evaluating the Operating Margin of DSL Modems DSL调制解调器营业利润率评估软件
Anais do XXVI Simpósio Brasileiro de Telecomunicações Pub Date : 1900-01-01 DOI: 10.14209/sbrt.2008.42860
C. Macapuna, E. Medeiros, A. Klautau
{"title":"A Software for Evaluating the Operating Margin of DSL Modems","authors":"C. Macapuna, E. Medeiros, A. Klautau","doi":"10.14209/sbrt.2008.42860","DOIUrl":"https://doi.org/10.14209/sbrt.2008.42860","url":null,"abstract":"— This work presents BrDSLWizard, a software to obtain and monitor DSL modems, including the evaluation of the operating margin . Margin fluctuations indicate chan-ges in the condition of the DSL channel, such as increase of the crosstalk interference. BrDSLWizard provides means to obtain and statistically analyze margin data, which is useful for evaluating practical aspects of operating DSL networks.","PeriodicalId":340055,"journal":{"name":"Anais do XXVI Simpósio Brasileiro de Telecomunicações","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133354237","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
Rede de Antenas E Circularmente Polarizada
Anais do XXVI Simpósio Brasileiro de Telecomunicações Pub Date : 1900-01-01 DOI: 10.14209/sbrt.2008.42725
Laila Marzall, Delx Lunardi, J. C. D. S. Lacava
{"title":"Rede de Antenas E Circularmente Polarizada","authors":"Laila Marzall, Delx Lunardi, J. C. D. S. Lacava","doi":"10.14209/sbrt.2008.42725","DOIUrl":"https://doi.org/10.14209/sbrt.2008.42725","url":null,"abstract":"","PeriodicalId":340055,"journal":{"name":"Anais do XXVI Simpósio Brasileiro de Telecomunicações","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132400090","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
Relevance Vector Machine Applied to EEG Signals Classification 相关向量机在脑电信号分类中的应用
Anais do XXVI Simpósio Brasileiro de Telecomunicações Pub Date : 1900-01-01 DOI: 10.14209/sbrt.2008.42895
Sandro Chagas, M. Eisencraft, M. Lima
{"title":"Relevance Vector Machine Applied to EEG Signals Classification","authors":"Sandro Chagas, M. Eisencraft, M. Lima","doi":"10.14209/sbrt.2008.42895","DOIUrl":"https://doi.org/10.14209/sbrt.2008.42895","url":null,"abstract":"The electroencephalogram (EEG) is a complex and aperiodic time series, which is a sum over a very large number of neuronal membrane potentials. Despite the rapid advances of neuroimaging techniques, EEG recording con- tinues playing an important role in both the diagnosis of neurological diseases and understanding of the psychological process. In order to extract relevant information of brain electrical activity, a variety of computerized-analysis me- thods have been used. In this paper, we propose the use of a recently developed machine-leaning technique - relevance vector machine (RVM) - for EEG signals classification. RVM is based on Bayesian estimation theory, which has as distinctive feature the fact that it can yield a sparse decision function defined only by a very small number of so-called re- levance vectors. From the experimental results, we can see that estimation and classification based on RVM perform well in EEG signals classification problem compared with traditional approach support vector machine (SVM), which indicates that this classification method is valid and has promising application.","PeriodicalId":340055,"journal":{"name":"Anais do XXVI Simpósio Brasileiro de Telecomunicações","volume":"90 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132484397","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
Um método robusto de segmentação de imagem de íris 一种鲁棒的虹膜图像分割方法
Anais do XXVI Simpósio Brasileiro de Telecomunicações Pub Date : 1900-01-01 DOI: 10.14209/sbrt.2008.42868
L. Ling, D. Brito, Jennifer Chuin Lee
{"title":"Um método robusto de segmentação de imagem de íris","authors":"L. Ling, D. Brito, Jennifer Chuin Lee","doi":"10.14209/sbrt.2008.42868","DOIUrl":"https://doi.org/10.14209/sbrt.2008.42868","url":null,"abstract":"- This paper presents an algorithm for fast localization of iris image, increasing the performance of iris biometric recognition systems by reducing the processing time during the phase of iris image segmentation.","PeriodicalId":340055,"journal":{"name":"Anais do XXVI Simpósio Brasileiro de Telecomunicações","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117022511","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
3D Ray-Tracing Parallel Propagation Model for MIMO Systems and Multi-Floor Scenarios MIMO系统和多层场景的三维光线追踪并行传播模型
Anais do XXVI Simpósio Brasileiro de Telecomunicações Pub Date : 1900-01-01 DOI: 10.14209/sbrt.2008.43132
A. Cavalcante, M. Sousa, Joao W. Costa, Gervásio P. S. Cavalcanti
{"title":"3D Ray-Tracing Parallel Propagation Model for MIMO Systems and Multi-Floor Scenarios","authors":"A. Cavalcante, M. Sousa, Joao W. Costa, Gervásio P. S. Cavalcanti","doi":"10.14209/sbrt.2008.43132","DOIUrl":"https://doi.org/10.14209/sbrt.2008.43132","url":null,"abstract":"","PeriodicalId":340055,"journal":{"name":"Anais do XXVI Simpósio Brasileiro de Telecomunicações","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129432946","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
Caracterização de Filtros em Linhas de Microfita com Planos de Terra Fractais 分形接地平面微带线滤波器的表征
Anais do XXVI Simpósio Brasileiro de Telecomunicações Pub Date : 1900-01-01 DOI: 10.14209/sbrt.2008.43173
R. Cruz, Tarcílio Cavalcanti da Silva, P. Silva, Adaildo D´Assunção
{"title":"Caracterização de Filtros em Linhas de Microfita com Planos de Terra Fractais","authors":"R. Cruz, Tarcílio Cavalcanti da Silva, P. Silva, Adaildo D´Assunção","doi":"10.14209/sbrt.2008.43173","DOIUrl":"https://doi.org/10.14209/sbrt.2008.43173","url":null,"abstract":"","PeriodicalId":340055,"journal":{"name":"Anais do XXVI Simpósio Brasileiro de Telecomunicações","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129481013","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
Um Protocolo MAC para Redes de Sensores sem Fio Voltado para Aplicações Específicas Utilizando o Método de Acesso TDMA 一种基于TDMA接入方法的针对特定应用的无线传感器网络MAC协议
Anais do XXVI Simpósio Brasileiro de Telecomunicações Pub Date : 1900-01-01 DOI: 10.14209/sbrt.2008.42400
S. Oliveira, Shusaburo Motoyama
{"title":"Um Protocolo MAC para Redes de Sensores sem Fio Voltado para Aplicações Específicas Utilizando o Método de Acesso TDMA","authors":"S. Oliveira, Shusaburo Motoyama","doi":"10.14209/sbrt.2008.42400","DOIUrl":"https://doi.org/10.14209/sbrt.2008.42400","url":null,"abstract":"","PeriodicalId":340055,"journal":{"name":"Anais do XXVI Simpósio Brasileiro de Telecomunicações","volume":"10 10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115244186","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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