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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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Thermal Analysis of Semiconductors Under Transient Conditions 半导体瞬态条件下的热分析
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.1997.614822
A. Sharan, D. Dhar
{"title":"Thermal Analysis of Semiconductors Under Transient Conditions","authors":"A. Sharan, D. Dhar","doi":"10.1109/CCECE.1997.614822","DOIUrl":"https://doi.org/10.1109/CCECE.1997.614822","url":null,"abstract":"In this work, the transient thermal analysis of semiconductors has been canied out using three dimensional nonlinear heat transfer equation which includes the nonlinearities introduced by the radiative flux, and the material property variations due to the tempe\". The analysis also includes the temperature gradient variation.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"57 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133170327","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
Application of the new algorithm ISAR-GMSA to a linear phased array-antenna ISAR-GMSA算法在线性相控阵天线中的应用
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.1997.614861
Jean-René Larocque, D. Grenier
{"title":"Application of the new algorithm ISAR-GMSA to a linear phased array-antenna","authors":"Jean-René Larocque, D. Grenier","doi":"10.1109/CCECE.1997.614861","DOIUrl":"https://doi.org/10.1109/CCECE.1997.614861","url":null,"abstract":"In this paper we present the application to real targets of the new ISAR-GMSA (inverse synthetic aperture radar-generalized multiple scatterer algorithm) algorithm for radar imaging. We applied the algorithm to a single antenna receiver and to a phased array-antenna system to show the improvement of the array over the single antenna system.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"207 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":"114576129","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
An investigation of automatic generation control for an isolated power system 孤立电力系统自动发电控制的研究
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.1997.614782
G. Hicks, B. Jeyasurya, W.F. Snow
{"title":"An investigation of automatic generation control for an isolated power system","authors":"G. Hicks, B. Jeyasurya, W.F. Snow","doi":"10.1109/CCECE.1997.614782","DOIUrl":"https://doi.org/10.1109/CCECE.1997.614782","url":null,"abstract":"This paper describes an investigation of a dynamic bias factor in the automatic generation control process of a power utility. In an isolated power system such as in Newfoundland, the proper selection of the bias factor is very important since it adjusts generation to restore system frequency to 60 Hz. A constant factor is used that is nearly equal to the system frequency-response characteristic. Utilization of a dynamic value would improve the overall system regulation by following this characteristic more closely. Using simulation techniques, a model of the Newfoundland and Labrador Hydro Power System is implemented and tested using different control schemes for determining the dynamic bias factor.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"440 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":"114583624","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
EMI levels at a "patient care location" in a hospital 医院“病人护理地点”的电磁干扰水平
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.1997.608313
C. Young, S. Ahmed Saoudy, S. Budwill
{"title":"EMI levels at a \"patient care location\" in a hospital","authors":"C. Young, S. Ahmed Saoudy, S. Budwill","doi":"10.1109/CCECE.1997.608313","DOIUrl":"https://doi.org/10.1109/CCECE.1997.608313","url":null,"abstract":"Electromagnetic interference (EMI) has the potential to cause malfunctions of electronic based medical equipment including incubators, ventilators and pacemakers. The Canadian Standard Association (CSA) standard 232.2-M89 requires that the patient beds should be surrounded by a 1.5 metre \"Patient Care Location\" wherein only medical-grade electrical devices are permitted. Non-medical devices like TVs, VCRs, fans, etc are not allowed within this area because of electrical safety considerations. EMI levels from more than one medical-grade electrical device, operated simultaneously, may not be as low as anticipated. This is due to accumulative EMI levels especially in intensive care units and emergency rooms. In this work, EMI (field strength) levels are measured at various sensitive locations in the Health Science Centre, St. John's.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"20 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":"132266655","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
An energy miser scheme for nonlinear loads 非线性载荷的能量吝啬鬼方案
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.1997.614816
A.F. Sharaf, Cai-hong Guo, Hong Huang
{"title":"An energy miser scheme for nonlinear loads","authors":"A.F. Sharaf, Cai-hong Guo, Hong Huang","doi":"10.1109/CCECE.1997.614816","DOIUrl":"https://doi.org/10.1109/CCECE.1997.614816","url":null,"abstract":"The paper presents a novel modulated smart power filter and energy miser for efficient electric utilization of nonlinear loads. The filter is controlled by a dynamic tracking current/ripple regulator to ensure minimum energy consumption, efficient energy conservation and improved feeder current and load voltage power quality.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"34 2","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1997-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132359511","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
Analysis of a bi-directional DC-DC converter topology for low power application 用于低功耗应用的双向DC-DC转换器拓扑分析
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.1997.608283
M. Jain, P. Jain, M. Daniele
{"title":"Analysis of a bi-directional DC-DC converter topology for low power application","authors":"M. Jain, P. Jain, M. Daniele","doi":"10.1109/CCECE.1997.608283","DOIUrl":"https://doi.org/10.1109/CCECE.1997.608283","url":null,"abstract":"This paper describes a bidirectional DC-DC converter for use in low power applications. The converter is based on a half-bridge in the primary side and on a current fed push-pull in the secondary of a high frequency isolation transformer. In the presence of the DC mains (provided by the AC mains), the converter essentially operates in the buck mode charging the battery. On failure of DC mains the converter operates in the boost mode and thereby the battery supplies the load power. The simple, low part count, galvanically isolated proposed topology provides an attractive solution for use in battery charge/discharge circuits in a DC UPS. Small signal and steady state analysis of both modes of converter operation is shown. Design guidelines are also presented. The concept is evaluated by an experimental setup and key results are presented.","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":"128403458","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: 34
Evaluation of 1's complement arithmetic for the implementation low power CMOS floating point adders 实现低功耗CMOS浮点加法器1的补码算法的计算
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.1997.614813
R. Pillai, D. Al-Khalili, A. Al-Khalili
{"title":"Evaluation of 1's complement arithmetic for the implementation low power CMOS floating point adders","authors":"R. Pillai, D. Al-Khalili, A. Al-Khalili","doi":"10.1109/CCECE.1997.614813","DOIUrl":"https://doi.org/10.1109/CCECE.1997.614813","url":null,"abstract":"In CMOS logic implementations, the architecture of functional units reflects the algorithmic cause effect relations as far as logic functionality, structural complexity, power consumption and speed of operation are concerned. The paper addresses the architectural evaluation of arithmetic units based on 1's complement algorithms for the implementation of low power floating point units. Our investigations suggest the suitability of 1's complement adders for the realization of low power floating point adders/subtracters, accumulators and multiply accumulators. The power consumption and silicon area of 1's complement adders that realize functions of the type |A-B| involving integer data A and B, are around 50% of that of their 2's complement counterparts.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"8 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":"132739072","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
Adaptive multichannel filter for image processing 用于图像处理的自适应多通道滤波器
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.1997.608332
B. K. Ng, K. Plataniotis, A. Venetsanopoulos
{"title":"Adaptive multichannel filter for image processing","authors":"B. K. Ng, K. Plataniotis, A. Venetsanopoulos","doi":"10.1109/CCECE.1997.608332","DOIUrl":"https://doi.org/10.1109/CCECE.1997.608332","url":null,"abstract":"An adaptive and computationally efficient filter is proposed for suppressing the unknown and non-stationary noise which exist in monochrome or colour images. This new methodology is based on estimating the unknown noise characteristics by using the generalized Gaussian probability density function (gGf). This function is used as a generic noise distribution model for various types of noise. Depending upon the shape parameter of the QGf, a specific model for the noise is assumed. It has been shown that the shape parameter, which characterizes the gGf, can be found easily by extracting the sample points from the corrupted image. Once the unknown noise distribution is modeled by the gGf, a suitable filter is utilized to smooth out the noise from the input image. Simulation results have shown that the proposed methodology is able to suppress effectively the unknown types of noise in the image.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"158 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":"134329442","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
Application of the ray method to modeling fixed millimeter wave propagation 射线法在固定毫米波传播建模中的应用
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.1997.614862
T. Denidni, E. Hassan, G. Delisle
{"title":"Application of the ray method to modeling fixed millimeter wave propagation","authors":"T. Denidni, E. Hassan, G. Delisle","doi":"10.1109/CCECE.1997.614862","DOIUrl":"https://doi.org/10.1109/CCECE.1997.614862","url":null,"abstract":"A technique for modeling fixed channels is presented for millimetre waves. Based on the ray technique, the method analyses the parameters which influence the propagation at the time of transmission between an emitting antenna and a receiving antenna on the same floor in a building. The results obtained are presented in the form of an impulse response and compared with existing empirical results. The advantages and limitations of this method are also discussed.","PeriodicalId":359446,"journal":{"name":"CCECE '97. Canadian Conference on Electrical and Computer Engineering. Engineering Innovation: Voyage of Discovery. Conference Proceedings","volume":"64 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":"124894347","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
Image analysis with Zernike moment descriptors Zernike矩描述子的图像分析
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.1997.608334
S. Liao, Miroslaw Pawlak
{"title":"Image analysis with Zernike moment descriptors","authors":"S. Liao, Miroslaw Pawlak","doi":"10.1109/CCECE.1997.608334","DOIUrl":"https://doi.org/10.1109/CCECE.1997.608334","url":null,"abstract":"The discretization error analysis for the Zernike moment computing is carried out. Based on the proposed new techniques to increase the numerical accuracy of the Zernike moments, the image reconstruction power of Zernike moment descriptors is examined.","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":"125486383","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: 25
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