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CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings最新文献

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Applications of data mining for power systems 数据挖掘在电力系统中的应用
CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings Pub Date : 1997-05-25 DOI: 10.1109/CCECE.1997.608243
S. Madan, Won-Kuk. Son, K. Bollinger
{"title":"Applications of data mining for power systems","authors":"S. Madan, Won-Kuk. Son, K. Bollinger","doi":"10.1109/CCECE.1997.608243","DOIUrl":"https://doi.org/10.1109/CCECE.1997.608243","url":null,"abstract":"Data mining is a new inter disciplinary area which has caught the interest of researchers in the field of machine learning, machine discovery, statistics, intelligent databases, engineering, knowledge acquisition, data visualization, and expert systems. Data mining focuses on the classification of new, useful and interesting relationships that may exist within the large archives of information. The discovery of relations from archived data is a potentially powerful application of machine learning algorithms. The paper describes data mining and brainstorms on its application to power systems.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130743516","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: 27
Analysis and design of a near unity power factor single phase trapezoidal AC power supply 近等功率因数单相梯形交流电源的分析与设计
CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings Pub Date : 1997-05-25 DOI: 10.1109/CCECE.1997.608322
N. Kaushik, P. Jain, G. Joós
{"title":"Analysis and design of a near unity power factor single phase trapezoidal AC power supply","authors":"N. Kaushik, P. Jain, G. Joós","doi":"10.1109/CCECE.1997.608322","DOIUrl":"https://doi.org/10.1109/CCECE.1997.608322","url":null,"abstract":"Single phase AC power supplies used for powering optical fiber/coax cable are required to generate trapezoidal-shaped waveform. The proposed converter topology has the following main features: (a) a small DC bus capacitor resulting in a DC bus having a very large 120 Hz component; (b) an on-line instantaneous voltage controlled feedforward PWM pattern generator, based on reset integral control technique, in which the PWM modulating function is synchronized with the DC bus ripple; the trapezoidal output voltage fits within the envelope of the ripple, leading to maximum voltage utilization; and (c) the input current flows during the complete period which yields low overall distortion and high power factor. A power circuit realization of the proposed power supply and control scheme based on the one-cycle reset integral PWM pattern generator, required to produce a trapezoidal output voltage is shown. The one-cycle reset integral control technique produced the best overall results in terms of power factor (PF), total harmonic distortion (THD) and efficiency (/spl eta/). This paper presents detailed analysis and design curves that are required to implement the proposed power supply. The analytical expression for the RMS value of the current through the capacitor and input AC line are derived. A design procedure to select and rate components of the power and control circuit is illustrated by means of a design example. Finally, the theoretical and simulated results presented are experimentally verified.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131269036","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
On the second-order high frequency bistatic ground wave radar cross section of the ocean surface 海洋表面二阶高频双基地地波雷达截面研究
CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings Pub Date : 1997-05-25 DOI: 10.1109/CCECE.1997.608271
E. Gill, J. Walsh
{"title":"On the second-order high frequency bistatic ground wave radar cross section of the ocean surface","authors":"E. Gill, J. Walsh","doi":"10.1109/CCECE.1997.608271","DOIUrl":"https://doi.org/10.1109/CCECE.1997.608271","url":null,"abstract":"The electric field equation is presented for the scattering of high frequency radiation (3-30 MHz) from a patch of ocean when the source and the receiver are not co-located. Describing the ocean surface by a Fourier series with time-varying coefficients, the bistatic cross section to second-order in scatter is developed and compared to existing monostatic models.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131865969","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
Computational intelligence in software engineering 软件工程中的计算智能
CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings Pub Date : 1997-05-25 DOI: 10.1109/CCECE.1997.614837
W. Pedrycz, J. Peters
{"title":"Computational intelligence in software engineering","authors":"W. Pedrycz, J. Peters","doi":"10.1109/CCECE.1997.614837","DOIUrl":"https://doi.org/10.1109/CCECE.1997.614837","url":null,"abstract":"The paper provides a unified view of computational intelligence in the context of software engineering. Technologies such as fuzzy sets, neural and evolutionary computing useful in software development are considered. The links between software engineering and computational intelligence are identified. An illustration is given in terms of a fuzzy software quality model.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"117 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124351475","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: 79
Rapid prototyping of modular/hypercube trellis decoders for communication systems 用于通信系统的模块化/超立方体网格解码器的快速原型设计
CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings Pub Date : 1997-05-25 DOI: 10.1109/CCECE.1997.614795
L. Pouliot, P. Fortier
{"title":"Rapid prototyping of modular/hypercube trellis decoders for communication systems","authors":"L. Pouliot, P. Fortier","doi":"10.1109/CCECE.1997.614795","DOIUrl":"https://doi.org/10.1109/CCECE.1997.614795","url":null,"abstract":"In this work, we look at a novel approach for the realization of a fully parallel decoder based on the Viterbi algorithm and hypercube architecture using a rapid prototyping method on FPGAs. Our proposed modular/hypercube architecture allows optimization of the surface by connecting modules together in such a way that a minimum of interconnections between modules is needed. Further optimization is possible using temporal multiplexing.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124368454","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 generic processing structure decomposing the beamforming process of 2-D and 3-D arrays of sensors into sub-sets of coherent processes 将二维和三维传感器阵列的波束形成过程分解为相干过程子集的通用处理结构
CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings Pub Date : 1997-05-25 DOI: 10.1109/CCECE.1997.608287
A. Tawfik, A. Stergiopoulos
{"title":"A generic processing structure decomposing the beamforming process of 2-D and 3-D arrays of sensors into sub-sets of coherent processes","authors":"A. Tawfik, A. Stergiopoulos","doi":"10.1109/CCECE.1997.608287","DOIUrl":"https://doi.org/10.1109/CCECE.1997.608287","url":null,"abstract":"This paper details the development of a generic beamforming structures for multidimensional hydrophone sensor arrays with passive and active capabilities. A new approach for the implementation of conventional beamforming for planar, cylindrical and spherical arrays is proposed. This approach is based on decomposing the 2-D and 3-D beamforming process into sets of line and/or circular array beamformers which lead to efficient implementations. Furthermore, this new approach makes the incorporation of adaptive schemes feasible.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114504182","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
Consumer MPEG2 multimedia digital satellite receiver 消费类MPEG2多媒体数字卫星接收机
CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings Pub Date : 1997-05-25 DOI: 10.1109/CCECE.1997.614866
B. Kovačević
{"title":"Consumer MPEG2 multimedia digital satellite receiver","authors":"B. Kovačević","doi":"10.1109/CCECE.1997.614866","DOIUrl":"https://doi.org/10.1109/CCECE.1997.614866","url":null,"abstract":"In spite of the delays in availability of digital video and other broadband DTH services, new and high capacity satellite networks are currently under deployment. This paper presents a digital set-top box developed for 54 MHz wide Ku band satellite delivery systems with coherent QPSK demodulation with a total bit rate of 90 Mbps and aggregate data rate of 54 Mbps which is able to provide 8 high quality video-audio programs per satellite transponder with additional data services like EPG (Electronic Program Guide), low speed (up to 38.4 Kbps) asynchronous data and MPEG2 PSI (Program Specific Information) and DVB SI (Digital Video Broadcasting System Information) data tables.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116400945","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
CAD for verification testing 用于验证测试的CAD
CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings Pub Date : 1997-05-25 DOI: 10.1109/CCECE.1997.608342
P. Walsh, D. Hoffman
{"title":"CAD for verification testing","authors":"P. Walsh, D. Hoffman","doi":"10.1109/CCECE.1997.608342","DOIUrl":"https://doi.org/10.1109/CCECE.1997.608342","url":null,"abstract":"Recently, the Canadian Microelectronics Corporation published a favoured design-flow and tool-set for the rapid prototyping of digital systems. The tool-set includes a spread-sheet like testing tool called the Control Panel from Mentor Graphics. This paper examines Control Panel features that support verification testing. A derivative of the Mead and Conway traffic-light controller is used to demonstrate Control Panel usage both for interactive testing and for algorithmic testing.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"151 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116441694","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
Multiscale-based image enhancement 多尺度图像增强
CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings Pub Date : 1997-05-25 DOI: 10.1109/CCECE.1997.608267
T. H. Reeves, M. Jernigan
{"title":"Multiscale-based image enhancement","authors":"T. H. Reeves, M. Jernigan","doi":"10.1109/CCECE.1997.608267","DOIUrl":"https://doi.org/10.1109/CCECE.1997.608267","url":null,"abstract":"Wavelet-based image analysis offers the opportunity to enhance images using features extracted at different scales and subbands. We propose a two-part wavelet domain image enhancement method. First, we apply a locally adaptive filter to the wavelet transform detail coefficients to simultaneously suppress noise and enhance edge contrast. Our estimates of noise variance behaviour across the decomposition scales and subbands are based on simulations. To enhance contrast between large, flat image regions, we apply global histogram equalisation to the wavelet transform approximation coefficients at the coarsest decomposition level.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123510896","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
Visual speech recognition by recurrent neural networks 基于递归神经网络的视觉语音识别
CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings Pub Date : 1997-05-25 DOI: 10.1109/CCECE.1997.614788
Gihad Rabi, S. Lu
{"title":"Visual speech recognition by recurrent neural networks","authors":"Gihad Rabi, S. Lu","doi":"10.1109/CCECE.1997.614788","DOIUrl":"https://doi.org/10.1109/CCECE.1997.614788","url":null,"abstract":"A system for visual speech recognition is described in this paper. In the first phase of the system's operation, time-varying visual speech patterns are obtained from a sequence of images. In the second phase, the system uses recurrent neural networks to classify the spatio-temporal pattern as one of the previously-trained words. By specifying a certain behavior when a recurrent network is presented with exemplar sequences, the network is trained with no more than feed-forward complexity. The network's desired behavior is based on characterizing a given word by well-defined segments. Adaptive segmentation is employed to segment the training sequences of a given word.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124599150","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: 16
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