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[1991 Proceedings] 6th Mediterranean Electrotechnical Conference最新文献

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Analysis of multiple reflection components 多反射分量分析
[1991 Proceedings] 6th Mediterranean Electrotechnical Conference Pub Date : 1991-05-22 DOI: 10.1109/MELCON.1991.162061
S.W. Lee, A. Jaklič, R. Bajcsy, F. Solina
{"title":"Analysis of multiple reflection components","authors":"S.W. Lee, A. Jaklič, R. Bajcsy, F. Solina","doi":"10.1109/MELCON.1991.162061","DOIUrl":"https://doi.org/10.1109/MELCON.1991.162061","url":null,"abstract":"An algorithm is proposed for the detection and separation of specularity from Lambertian reflectance using multiple image frames from different viewpoints. The algorithm is based on the physical model of the multiple reflection mechanism in which the appearance of specularity varies depending on viewing direction while that of Lambertian reflection does not. The approach is to move camera sensors actively and to obtain as many image frames as possible. Experimental results are presented to show the efficiency of the algorithm.<<ETX>>","PeriodicalId":193917,"journal":{"name":"[1991 Proceedings] 6th Mediterranean Electrotechnical Conference","volume":"292 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115116781","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
A laser firing of pastes for the thick film technology 一种激光烧结浆料的厚膜技术
[1991 Proceedings] 6th Mediterranean Electrotechnical Conference Pub Date : 1991-05-22 DOI: 10.1109/MELCON.1991.161829
Y.V. Bobitsky, Z.Y. Gotra, V.V. Maxim, M.A. Primovich
{"title":"A laser firing of pastes for the thick film technology","authors":"Y.V. Bobitsky, Z.Y. Gotra, V.V. Maxim, M.A. Primovich","doi":"10.1109/MELCON.1991.161829","DOIUrl":"https://doi.org/10.1109/MELCON.1991.161829","url":null,"abstract":"Analysis of the results of laser firing of pastes 0821 and 0841 shows that they have similar dependences R(t), where t is the current time of firing. For the samples the optimum total time of laser firing was approximately 28 s at wavelength 10.6 mu m and average power of radiation 714 W/cm/sup 2/.<<ETX>>","PeriodicalId":193917,"journal":{"name":"[1991 Proceedings] 6th Mediterranean Electrotechnical Conference","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115635359","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 avalanche breakdown in PN structures PN结构雪崩击穿分析
[1991 Proceedings] 6th Mediterranean Electrotechnical Conference Pub Date : 1991-05-22 DOI: 10.1109/MELCON.1991.161785
S. Amon, D. Krizzaj, S. Sokolic
{"title":"Analysis of avalanche breakdown in PN structures","authors":"S. Amon, D. Krizzaj, S. Sokolic","doi":"10.1109/MELCON.1991.161785","DOIUrl":"https://doi.org/10.1109/MELCON.1991.161785","url":null,"abstract":"The influence of several impact ionization parameters is studied. Reverse breakdown characteristics for different step junction PN structures are calculated. A correspondence of calculated results with standard results found in the literature is reasonable for low and very high doping concentrations, while poor for the 5*10/sup 10/+5*10/sup 19/ cm/sup -3/ region. For this region, corrected values of critical fields leading to proper breakdown voltages are determined and reported.<<ETX>>","PeriodicalId":193917,"journal":{"name":"[1991 Proceedings] 6th Mediterranean Electrotechnical Conference","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123178140","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
Cold load pickup studies in extended distribution networks 扩展配电网中的冷负荷拾取研究
[1991 Proceedings] 6th Mediterranean Electrotechnical Conference Pub Date : 1991-05-22 DOI: 10.1109/MELCON.1991.162105
N. Hatziargyriou, M. Papadopoulos
{"title":"Cold load pickup studies in extended distribution networks","authors":"N. Hatziargyriou, M. Papadopoulos","doi":"10.1109/MELCON.1991.162105","DOIUrl":"https://doi.org/10.1109/MELCON.1991.162105","url":null,"abstract":"An efficient method is presented for the analysis of the transient response of extended radial distribution networks during start-up. The computer program developed can be used to analyze any type of MV or LV distribution feeder that composes the distribution network, in order to examine the reaction of protective devices, the effect of voltage dips, etc.<<ETX>>","PeriodicalId":193917,"journal":{"name":"[1991 Proceedings] 6th Mediterranean Electrotechnical Conference","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121368375","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
A heuristic reduction procedure in the Haar pyramid 哈尔金字塔中的一个启发式约简程序
[1991 Proceedings] 6th Mediterranean Electrotechnical Conference Pub Date : 1991-05-22 DOI: 10.1109/MELCON.1991.162063
S. Ribaric, Z. Parlov
{"title":"A heuristic reduction procedure in the Haar pyramid","authors":"S. Ribaric, Z. Parlov","doi":"10.1109/MELCON.1991.162063","DOIUrl":"https://doi.org/10.1109/MELCON.1991.162063","url":null,"abstract":"The analysis and interpretation of the blocks-world scenes by means of the Haar (1910) pyramid are addressed. The Haar pyramid is defined. The original reduction procedure of the number of Haar components required for the scene analysis, is described. The experimental results of the reduction procedure applied to simple scenes are given. The results are compared on the basis of an objective criterion, the normalized mean-square error, and of a subjective criterion to the results of the thresholding method.<<ETX>>","PeriodicalId":193917,"journal":{"name":"[1991 Proceedings] 6th Mediterranean Electrotechnical Conference","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125031154","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
Integrated printed varistor 集成印刷压敏电阻
[1991 Proceedings] 6th Mediterranean Electrotechnical Conference Pub Date : 1991-05-22 DOI: 10.1109/MELCON.1991.161793
T. Grozdić, O. Aleksic, M. Tomic, D. Uskokovic
{"title":"Integrated printed varistor","authors":"T. Grozdić, O. Aleksic, M. Tomic, D. Uskokovic","doi":"10.1109/MELCON.1991.161793","DOIUrl":"https://doi.org/10.1109/MELCON.1991.161793","url":null,"abstract":"Two shapes of interdigitated planar varistors were made using thick-film technology on alumina substrates. These varistor were based on ZnO paste. The distance between varistor electrodes were changed from 0.2 to 1.91 mm, and the total length of the electrodes from 49 to 230 mm. The varistor threshold voltages were obtained in the region of 1100-3100 VAC. The threshold voltages were proportional to the distance between electrodes. The influence of electrode geometry on U-I characteristics was analyzed.<<ETX>>","PeriodicalId":193917,"journal":{"name":"[1991 Proceedings] 6th Mediterranean Electrotechnical Conference","volume":"55 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123333180","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
Synthesis of multilayered optical fibers with low dispersion 低色散多层光纤的合成
[1991 Proceedings] 6th Mediterranean Electrotechnical Conference Pub Date : 1991-05-22 DOI: 10.1109/MELCON.1991.161935
L. Tancevski, J. Budin
{"title":"Synthesis of multilayered optical fibers with low dispersion","authors":"L. Tancevski, J. Budin","doi":"10.1109/MELCON.1991.161935","DOIUrl":"https://doi.org/10.1109/MELCON.1991.161935","url":null,"abstract":"Two methods for the synthesis of multilayered optical fibers with low dispersion over a wide spectral range are presented. Taking into account the dispersion values at three different wavelengths, the authors developed an optimization algorithm based on the Powell's multivariable optimization technique. The second approach utilizes Newton's method for solving a system of nonlinear equations. It presents an opportunity to achieve the desired values of the Petermann mode spot-size, as well as dispersion at specified wavelengths. Spectral plots of synthesized double-clad, triple-clad, and quadruple-clad fibers are given.<<ETX>>","PeriodicalId":193917,"journal":{"name":"[1991 Proceedings] 6th Mediterranean Electrotechnical Conference","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123542724","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 fast simplified method for the dynamic simulation of electrical devices and systems 电气设备和系统动态仿真的一种快速简化方法
[1991 Proceedings] 6th Mediterranean Electrotechnical Conference Pub Date : 1991-05-22 DOI: 10.1109/MELCON.1991.162113
G.J. Kyranastassis
{"title":"A fast simplified method for the dynamic simulation of electrical devices and systems","authors":"G.J. Kyranastassis","doi":"10.1109/MELCON.1991.162113","DOIUrl":"https://doi.org/10.1109/MELCON.1991.162113","url":null,"abstract":"A simplified method is developed for the dynamic simulation of electric motors, power converters, and electric drives. The initial model of each kind of electrical motor is that known from general theory of electrical machines. The models of power converters are based on the dynamic equivalents, and converter valves are considered as ideal switches. Also included in this study are selected results from the programs which have been constructed using the methods outlined. Curves for a three-phase induction motor, a chopper, and a three-phase converter armature controlled direct current motor are presented.<<ETX>>","PeriodicalId":193917,"journal":{"name":"[1991 Proceedings] 6th Mediterranean Electrotechnical Conference","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123807393","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
System for description and identification of individuals 描述和识别个人的系统
[1991 Proceedings] 6th Mediterranean Electrotechnical Conference Pub Date : 1991-05-22 DOI: 10.1109/MELCON.1991.162068
M. Vezjak, J. Korošec, L. Gyergyek, N. Pavesic, T. Savsek, I. Erjavc, A. Gere
{"title":"System for description and identification of individuals","authors":"M. Vezjak, J. Korošec, L. Gyergyek, N. Pavesic, T. Savsek, I. Erjavc, A. Gere","doi":"10.1109/MELCON.1991.162068","DOIUrl":"https://doi.org/10.1109/MELCON.1991.162068","url":null,"abstract":"A system for the analysis and automated identification of a human face is described. The analysis of a human face is defined as an individual description of the face given in the form of its subobjects and their relations. Model-based analysis of a human face is founded on the anthropological model of a human face in norma facialis. The system consists of preprocessing algorithms based on a contour determining operator, the Hough transform (for the determination of the approximate position of the head, face, and the eye region), and of the integral projection of the contour picture. The shape of the integral projection in the form of a string matches to the model. The similarity measure for strings is expressed in the form of Levenstein's metric. The methods described were used to process 40 pictures of male human faces. The system is realised on a PC AT computer.<<ETX>>","PeriodicalId":193917,"journal":{"name":"[1991 Proceedings] 6th Mediterranean Electrotechnical Conference","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126728955","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
Prediction of dynamical phenomena by a neural network 用神经网络预测动态现象
[1991 Proceedings] 6th Mediterranean Electrotechnical Conference Pub Date : 1991-05-22 DOI: 10.1109/MELCON.1991.161770
I. Grabec
{"title":"Prediction of dynamical phenomena by a neural network","authors":"I. Grabec","doi":"10.1109/MELCON.1991.161770","DOIUrl":"https://doi.org/10.1109/MELCON.1991.161770","url":null,"abstract":"An adaptive information processing system capable of predicting dynamical phenomena is described. It includes a neural network-like memory, a predictor, two shift registers, and a comparator. In the memory, an internal empirical model of observed phenomena is formed. It is described by a set of memorized prototype transitions between successive states of an input time-dependent signal which can also be chaotic. System operation is demonstrated on a chaotic signal generated by the Henon map.<<ETX>>","PeriodicalId":193917,"journal":{"name":"[1991 Proceedings] 6th Mediterranean Electrotechnical Conference","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115210196","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
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