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Anais do 2002 International Telecommunications Symposium最新文献

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GMM versus AR-Vector Models for Text Independent Speaker Verification GMM与ar向量模型的文本独立说话人验证
Anais do 2002 International Telecommunications Symposium Pub Date : 1900-01-01 DOI: 10.14209/its.2002.817
C. B. D. Lima, A. Alcaim
{"title":"GMM versus AR-Vector Models for Text Independent Speaker Verification","authors":"C. B. D. Lima, A. Alcaim","doi":"10.14209/its.2002.817","DOIUrl":"https://doi.org/10.14209/its.2002.817","url":null,"abstract":"This paper presents a performance evaluation of two classification systems for text independent speaker verification: the Gaussian Mixture Model (GMM) and the AR-Vector Model. For the GMM, , , and Gaussians are evaluated. On the other hand, an order model with the Itakura symmetric distance was used for the AR-Vector. Both classification systems presented no errors when train- ing and testing times were not smaller than s and s, re- spectively. Using s as the test time, the most accurate clas- sification systems errors were between and %. With s test, the errors presented by the GMM were around to % whereas those for the AR-Vector were above %. How- ever, the best results using 10s as testing and training times were obtained with the AR-Vector, with errors around %.","PeriodicalId":310988,"journal":{"name":"Anais do 2002 International Telecommunications Symposium","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":"124241057","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
LSP Transcoding Between G729A and GSM AMR G729A与GSM AMR之间的LSP转码
Anais do 2002 International Telecommunications Symposium Pub Date : 1900-01-01 DOI: 10.14209/its.2002.892
Helder C. Bertan, L. Meloni
{"title":"LSP Transcoding Between G729A and GSM AMR","authors":"Helder C. Bertan, L. Meloni","doi":"10.14209/its.2002.892","DOIUrl":"https://doi.org/10.14209/its.2002.892","url":null,"abstract":"","PeriodicalId":310988,"journal":{"name":"Anais do 2002 International Telecommunications Symposium","volume":"8 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":"121200738","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
Impact of physical layer impairments on optical network performance 物理层损伤对光网络性能的影响
Anais do 2002 International Telecommunications Symposium Pub Date : 1900-01-01 DOI: 10.14209/its.2002.797
S. Rossi, M. Barros, M. Rocha, J. Rosolem, A. Paradisi, Fabiano J. L. Pádua, E. Moschim
{"title":"Impact of physical layer impairments on optical network performance","authors":"S. Rossi, M. Barros, M. Rocha, J. Rosolem, A. Paradisi, Fabiano J. L. Pádua, E. Moschim","doi":"10.14209/its.2002.797","DOIUrl":"https://doi.org/10.14209/its.2002.797","url":null,"abstract":"","PeriodicalId":310988,"journal":{"name":"Anais do 2002 International Telecommunications Symposium","volume":"86 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":"126286859","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
Adaptive Channel Equalisation Using Minimum BER Gradient-Newton Algorithms 使用最小误码率梯度牛顿算法的自适应信道均衡
Anais do 2002 International Telecommunications Symposium Pub Date : 1900-01-01 DOI: 10.14209/its.2002.389
R. D. Lamare, R. Sampaio-Neto
{"title":"Adaptive Channel Equalisation Using Minimum BER Gradient-Newton Algorithms","authors":"R. D. Lamare, R. Sampaio-Neto","doi":"10.14209/its.2002.389","DOIUrl":"https://doi.org/10.14209/its.2002.389","url":null,"abstract":"","PeriodicalId":310988,"journal":{"name":"Anais do 2002 International Telecommunications Symposium","volume":"6 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":"121756786","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
An Optimized FXLMS based Algorithm for Application in Nonlinear Environments 非线性环境下基于FXLMS的优化算法
Anais do 2002 International Telecommunications Symposium Pub Date : 1900-01-01 DOI: 10.14209/its.2002.615
M. H. Costa, J. Bermudez
{"title":"An Optimized FXLMS based Algorithm for Application in Nonlinear Environments","authors":"M. H. Costa, J. Bermudez","doi":"10.14209/its.2002.615","DOIUrl":"https://doi.org/10.14209/its.2002.615","url":null,"abstract":"","PeriodicalId":310988,"journal":{"name":"Anais do 2002 International Telecommunications Symposium","volume":"39 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":"115879590","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
A Static 4:1 Frequency Divider up to 16 GHz in 120 nm CMOS 一个静态4:1分频器，在120纳米CMOS高达16 GHz
Anais do 2002 International Telecommunications Symposium Pub Date : 1900-01-01 DOI: 10.14209/its.2002.106
H. Wohlmuth, D. Kehrer, W. Simbürger
{"title":"A Static 4:1 Frequency Divider up to 16 GHz in 120 nm CMOS","authors":"H. Wohlmuth, D. Kehrer, W. Simbürger","doi":"10.14209/its.2002.106","DOIUrl":"https://doi.org/10.14209/its.2002.106","url":null,"abstract":"| A completely integrated 16GHz static 4:1 frequency divider in 120nm CMOS is presented. The divider operates up to 16GHz and features an enhanced input sensitivity of 0dBm over a broad input band of 14GHz. The circuit draws 60 mA from a single 1.5V supply. To drive 50Ω loads up to 4GHz, an output bu(cid:11)er is also included in the divider circuit.","PeriodicalId":310988,"journal":{"name":"Anais do 2002 International Telecommunications Symposium","volume":"54 30 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":"131353297","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
Analysis of Antennas Array with Photonic Bandgap 具有光子带隙的天线阵列分析
Anais do 2002 International Telecommunications Symposium Pub Date : 1900-01-01 DOI: 10.14209/its.2002.47
Humberto Fernandes, Jean Douglas S. Marcelino
{"title":"Analysis of Antennas Array with Photonic Bandgap","authors":"Humberto Fernandes, Jean Douglas S. Marcelino","doi":"10.14209/its.2002.47","DOIUrl":"https://doi.org/10.14209/its.2002.47","url":null,"abstract":"","PeriodicalId":310988,"journal":{"name":"Anais do 2002 International Telecommunications Symposium","volume":"9 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":"132491541","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
Adaptive Criteria Optimization as a Least Squares Problem 自适应准则优化作为最小二乘问题
Anais do 2002 International Telecommunications Symposium Pub Date : 1900-01-01 DOI: 10.14209/its.2002.338
R. Attux, J. Romano
{"title":"Adaptive Criteria Optimization as a Least Squares Problem","authors":"R. Attux, J. Romano","doi":"10.14209/its.2002.338","DOIUrl":"https://doi.org/10.14209/its.2002.338","url":null,"abstract":"","PeriodicalId":310988,"journal":{"name":"Anais do 2002 International Telecommunications Symposium","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":"130224881","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
UMTS Terminal Equipment For All-IP Based Communication Scenarios 用于全ip通信场景的UMTS终端设备
Anais do 2002 International Telecommunications Symposium Pub Date : 1900-01-01 DOI: 10.14209/its.2002.993
M. Ricardo, Rui Soares, J. Dias, J. Ruela
{"title":"UMTS Terminal Equipment For All-IP Based Communication Scenarios","authors":"M. Ricardo, Rui Soares, J. Dias, J. Ruela","doi":"10.14209/its.2002.993","DOIUrl":"https://doi.org/10.14209/its.2002.993","url":null,"abstract":"","PeriodicalId":310988,"journal":{"name":"Anais do 2002 International Telecommunications Symposium","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":"134153380","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
New Way to Analyze Triangular Microstrip Resonators 三角微带谐振器分析的新方法
Anais do 2002 International Telecommunications Symposium Pub Date : 1900-01-01 DOI: 10.14209/its.2002.126
H. Fernandes, Carlos Barboza Beltrão
{"title":"New Way to Analyze Triangular Microstrip Resonators","authors":"H. Fernandes, Carlos Barboza Beltrão","doi":"10.14209/its.2002.126","DOIUrl":"https://doi.org/10.14209/its.2002.126","url":null,"abstract":"","PeriodicalId":310988,"journal":{"name":"Anais do 2002 International Telecommunications Symposium","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":"131724085","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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