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Proceedings IEEE Southeastcon '92最新文献

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Compiled unit-delay simulation for cyclic circuits 循环电路的编译单位延迟仿真
Proceedings IEEE Southeastcon '92 Pub Date : 1992-04-12 DOI: 10.1109/SECON.1992.202332
P. Maurer, Y.-S. Lee
{"title":"Compiled unit-delay simulation for cyclic circuits","authors":"P. Maurer, Y.-S. Lee","doi":"10.1109/SECON.1992.202332","DOIUrl":"https://doi.org/10.1109/SECON.1992.202332","url":null,"abstract":"Three techniques for handling cyclic circuits in a compiled unit-delay simulation are presented. These techniques are based on the PC-set method and the parallel technique of compiled unit-delay simulation. The first technique, called the synchronous parallel technique, is applicable only to synchronous circuits, but provides significant performance improvements over interpreted unit-delay simulation. The second and third techniques. called the convergence algorithm and the asynchronous parallel technique, are applicable to all circuits, both synchronous and asynchronous. The convergence algorithm, which is based on the PC-set method, provided significant performance increases for some circuits, but performed poorly on others. The asynchronous parallel technique performed rather poorly, and is covered only briefly.<<ETX>>","PeriodicalId":230446,"journal":{"name":"Proceedings IEEE Southeastcon '92","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134119431","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
A stereo matching process for the recovery of depth information 一种用于深度信息恢复的立体匹配过程
Proceedings IEEE Southeastcon '92 Pub Date : 1992-04-12 DOI: 10.1109/SECON.1992.202321
M. Adjouadi, X.B. Zhang, D.C. Park
{"title":"A stereo matching process for the recovery of depth information","authors":"M. Adjouadi, X.B. Zhang, D.C. Park","doi":"10.1109/SECON.1992.202321","DOIUrl":"https://doi.org/10.1109/SECON.1992.202321","url":null,"abstract":"The authors present a stereo matching method that matches the Walsh coefficients for the recovery of the depth information in two-dimensional images. In this method, a stereo pair of images is transformed into the Walsh series and then decomposed into a pair of strings, carrying the first eight coefficients of the Walsh series as attributes. In order to explicitly integrate the uniqueness and the ordering constraints into the matching process, a string-to-string matching technique is applied to bring the two strings into correspondence. The experimental results obtained show that this method presents a very effective approach to the recovery of the depth information.<<ETX>>","PeriodicalId":230446,"journal":{"name":"Proceedings IEEE Southeastcon '92","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134604042","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
Writing area-efficient hardware descriptions for logic synthesis 为逻辑综合编写高效的硬件描述
Proceedings IEEE Southeastcon '92 Pub Date : 1992-04-12 DOI: 10.1109/SECON.1992.202402
L.G. Clonts, D. Bouldin
{"title":"Writing area-efficient hardware descriptions for logic synthesis","authors":"L.G. Clonts, D. Bouldin","doi":"10.1109/SECON.1992.202402","DOIUrl":"https://doi.org/10.1109/SECON.1992.202402","url":null,"abstract":"Several advantages for using a hardware description language for logic synthesis are given along with some example programs. Variations in writing style are shown to have a significant effect on the optimization process used by the synthesizer since one style generally results in a physical layout that consumes only half that of another. Based on these experiences, a structured, object-oriented style that separates control and operations is recommended for the writing of area-efficient hardware descriptions.<<ETX>>","PeriodicalId":230446,"journal":{"name":"Proceedings IEEE Southeastcon '92","volume":"25 19","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131805692","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
BiCMOS gate delay analysis including temperature effect and high current transients BiCMOS栅极延迟分析包括温度效应和大电流瞬态
Proceedings IEEE Southeastcon '92 Pub Date : 1992-04-12 DOI: 10.1109/SECON.1992.202331
J. Yuan, K. Pham
{"title":"BiCMOS gate delay analysis including temperature effect and high current transients","authors":"J. Yuan, K. Pham","doi":"10.1109/SECON.1992.202331","DOIUrl":"https://doi.org/10.1109/SECON.1992.202331","url":null,"abstract":"The model accounts for high electric field effect in the nMOS transistor and high current effects in the bipolar transistor for a wide temperature range. The analytical equations provide evaluation of the sensitivity of process and device parameters on circuit performance at different temperatures. Computer simulation results of a BiCMOS driver using the present analysis are compared with PISCES simulation in support of physical reasoning.<<ETX>>","PeriodicalId":230446,"journal":{"name":"Proceedings IEEE Southeastcon '92","volume":"108 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131893295","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 computer program to predict the performance of permanent magnet synchronous motor drives 一个预测永磁同步电机驱动性能的计算机程序
Proceedings IEEE Southeastcon '92 Pub Date : 1992-04-12 DOI: 10.1109/SECON.1992.202405
P. Pillay, M. Wu
{"title":"A computer program to predict the performance of permanent magnet synchronous motor drives","authors":"P. Pillay, M. Wu","doi":"10.1109/SECON.1992.202405","DOIUrl":"https://doi.org/10.1109/SECON.1992.202405","url":null,"abstract":"The permanent magnetic synchronous motor (PMSM) drive system is described. The flowchart of a computer program, the application of vector control to the PMSM, and the complete modeling, simulation, and analysis of the drive system are given. State-space models of the motor and speed controller and real-time models of the inverter switches and vector controller are included. The efficiency of the drive system is discussed.<<ETX>>","PeriodicalId":230446,"journal":{"name":"Proceedings IEEE Southeastcon '92","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133567582","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
A Walsh transform-neural network method for estimating the size distribution of bubbles in a liquid 一种估算液体中气泡大小分布的Walsh变换-神经网络方法
Proceedings IEEE Southeastcon '92 Pub Date : 1992-04-12 DOI: 10.1109/SECON.1992.202298
U. Kanitkar, J. Dudgeon
{"title":"A Walsh transform-neural network method for estimating the size distribution of bubbles in a liquid","authors":"U. Kanitkar, J. Dudgeon","doi":"10.1109/SECON.1992.202298","DOIUrl":"https://doi.org/10.1109/SECON.1992.202298","url":null,"abstract":"An edge detected two-dimensional image of bubbles dispersed in a flowing liquid was captured in a 256-by-256 pixel window. The image produced was a binary image. Upon consideration of the merits of different spectral transform methods, a Manz sequency ordered Walsh transform was chosen to obtain the power spectrum of the bubble image. Using the spectrum as the input to a three-layer neural network the bubble size distribution was predicted. Histograms showing bubble size distributions were the target outputs corresponding to sets of inputs. Neural network training involved using backpropagation in conjunction with a wide range of deviations. Bubble positions within the photograph were also varied. The input-output training pairs were simulated from images generated with known distributions and used to train the backpropagation network. The trained network was then tested using unseen images and the results were excellent.<<ETX>>","PeriodicalId":230446,"journal":{"name":"Proceedings IEEE Southeastcon '92","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131321644","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
Decoupling between two planar microstrip lines 两个平面微带线之间的去耦
Proceedings IEEE Southeastcon '92 Pub Date : 1992-04-12 DOI: 10.1109/SECON.1992.202410
S. He, A. Elsherbeni, C.E. Smith
{"title":"Decoupling between two planar microstrip lines","authors":"S. He, A. Elsherbeni, C.E. Smith","doi":"10.1109/SECON.1992.202410","DOIUrl":"https://doi.org/10.1109/SECON.1992.202410","url":null,"abstract":"A numerical analysis of a two-conductor microstrip transmission line with a rectangular notch in the dielectric between two conducting strips is presented. Three media integral equations are derived and are solved for the charge distributions. The decoupling between such two-conductor microstrip transmission lines is investigated. It is found that the coupling between two conducting lines can be reduced significantly by removing dielectric material between the lines that have a rectangular shape. For the best decoupling, the width should be as wide as possible between the conducting lines, but the depth will have an optimum somewhere in the base dielectric substrate.<<ETX>>","PeriodicalId":230446,"journal":{"name":"Proceedings IEEE Southeastcon '92","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115362975","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
Radio frequency monitoring and control of energy and processing systems 无线电频率监测和控制能源和处理系统
Proceedings IEEE Southeastcon '92 Pub Date : 1992-04-12 DOI: 10.1109/SECON.1992.202427
T. Murray, S. Bell, A. Abduljalil
{"title":"Radio frequency monitoring and control of energy and processing systems","authors":"T. Murray, S. Bell, A. Abduljalil","doi":"10.1109/SECON.1992.202427","DOIUrl":"https://doi.org/10.1109/SECON.1992.202427","url":null,"abstract":"A basic wireless monitoring control system was developed, including prototype modems, which will provide the means to transmit data through a radio link. The modems were connected to an IBM Compatible computer through an RS-232 interface. Two computer programs, generating normal ASCII data, were developed to provide the communications software between the computer and the modems. The hardware, software, and system operation are described.<<ETX>>","PeriodicalId":230446,"journal":{"name":"Proceedings IEEE Southeastcon '92","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115512387","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
Radiation characteristics of loaded shaped splash plate antennas 加载异形溅射板天线的辐射特性
Proceedings IEEE Southeastcon '92 Pub Date : 1992-04-12 DOI: 10.1109/SECON.1992.202357
M.K. Kasraian, A. Kishk, M. Tew
{"title":"Radiation characteristics of loaded shaped splash plate antennas","authors":"M.K. Kasraian, A. Kishk, M. Tew","doi":"10.1109/SECON.1992.202357","DOIUrl":"https://doi.org/10.1109/SECON.1992.202357","url":null,"abstract":"The radiation characteristics of splash plate feed antennas are studied numerically using the method of moments to solve an exact surface integral equation formulation. A step-by-step procedure was used to improve the radiation characteristics of the feed, resulting in several good feed designs. The feed efficiency was improved significantly. While the cross-polarization level of this feed is acceptable, it is higher than the level achieved by corrugated feeds.<<ETX>>","PeriodicalId":230446,"journal":{"name":"Proceedings IEEE Southeastcon '92","volume":"223 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124435703","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
An approach for parallelizing OPS5 production systems and a faster match, C based indexing scheme for hypercube machines 一种并行化OPS5生产系统的方法和一种更快的匹配，基于C的超立方体机器索引方案
Proceedings IEEE Southeastcon '92 Pub Date : 1992-04-12 DOI: 10.1109/SECON.1992.202399
R. Shrivastava, S. Iyengar, D. Carver
{"title":"An approach for parallelizing OPS5 production systems and a faster match, C based indexing scheme for hypercube machines","authors":"R. Shrivastava, S. Iyengar, D. Carver","doi":"10.1109/SECON.1992.202399","DOIUrl":"https://doi.org/10.1109/SECON.1992.202399","url":null,"abstract":"An algorithm for reducing the amount of time spent by a production system in its MATCH phase is presented. The algorithm utilizes C language's arithmetic operations, which are not efficiently computed in standard production system languages, and also constricts the activity of the MATCH phase as performed in the OPS5 programming language. The parallelization is achieved by distributing the search amongst the nodes of a hypercube. The MATCH phase is an effort to satisfy the LHS (left hand side) of a PR (production rule) by the contents of a WM (working memory). C programming language was used for the implementation of the monkey-and-banana problem written in OPS5.<<ETX>>","PeriodicalId":230446,"journal":{"name":"Proceedings IEEE Southeastcon '92","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128413778","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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