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1993 (25th) Southeastern Symposium on System Theory最新文献

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Fast, radiation-hard GaAs CHIGFET op amp 快速，抗辐射的GaAs CHIGFET运放
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522762
K. Subhani, D. Dibitonto, T. Pennington, S. Baier, J. Stronczer
{"title":"Fast, radiation-hard GaAs CHIGFET op amp","authors":"K. Subhani, D. Dibitonto, T. Pennington, S. Baier, J. Stronczer","doi":"10.1109/SSST.1993.522762","DOIUrl":"https://doi.org/10.1109/SSST.1993.522762","url":null,"abstract":"A fast, low-noise, operational amplifier is fabricated in an industrial GaAs technology, exhibiting intrinsic radiation hardness in excess of several hundred megarads. The circuit architecture is based on GaAs/AlGaAs CHIGFETs of 1-/spl mu/m channel length. The amplifier is fully monolithically integrated with low-frequency open-loop gain of 10/sup 5/, gain-bandwidth product of 1.5 GHz, DC input offset voltage of 20 mV, slew rate of 760 V//spl mu/s, and power requirements of 30 mW. Its output voltage is linear from -3 V to +3 V within 1% accuracy. A gain of 50 k/spl Omega/ is achieved for operation as a transimpedance amplifier with risetime <5 ns, which would be suitable for a preamplifier for liquid and solid ionization detectors.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123309183","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
The use of the personal computer in power engineering education at Auburn University 个人电脑在奥本大学电力工程教育中的应用
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522748
S. Halpin, R. Nelms, L.L. Grigsby, C. A. Gross, J. Lowry
{"title":"The use of the personal computer in power engineering education at Auburn University","authors":"S. Halpin, R. Nelms, L.L. Grigsby, C. A. Gross, J. Lowry","doi":"10.1109/SSST.1993.522748","DOIUrl":"https://doi.org/10.1109/SSST.1993.522748","url":null,"abstract":"Graphical user interface software developed at Auburn University is discussed. The power systems software ranges from the typical steady-state analysis algorithms for power flow and fault calculations to the dynamic analysis of rotating machines. In various forms, this software is utilized in the classroom, the laboratories, and as a supplement to out-of-class student work. A description of the power engineering curriculum at Auburn University is used to illustrate how the various personal computer applications are used.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125207875","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
Non-inductive impedance transformer 无感阻抗变压器
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522761
K. Subhani, D. Dibitonto, T. Pennington, S. Baier, J. Stronczer
{"title":"Non-inductive impedance transformer","authors":"K. Subhani, D. Dibitonto, T. Pennington, S. Baier, J. Stronczer","doi":"10.1109/SSST.1993.522761","DOIUrl":"https://doi.org/10.1109/SSST.1993.522761","url":null,"abstract":"An innovative design for a noninductive transformer circuit that transforms values of impedance less than 1 /spl Omega/ to very high values of approximately several k/spl Omega/ is based on GaAs CHIGFET technology, with intrinsic radiation hardness in excess of several hundred megarads. A principal advantage of the circuit is that the speed and bandwidth sensitivity is weakly affected by detector source capacity (up to 1 nF), thereby allowing greater design flexibility for both hadronic and electromagnetic calorimetry, or even charge particle detection (tracking) integrated within the same device. The simulated risetime is less than 2 ns, and power dissipated is less than 40 mW.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122296824","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
Characterization of an infra-red multi-position sensor system 红外多位置传感器系统的特性
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522788
D. Allwine, D. Irwin
{"title":"Characterization of an infra-red multi-position sensor system","authors":"D. Allwine, D. Irwin","doi":"10.1109/SSST.1993.522788","DOIUrl":"https://doi.org/10.1109/SSST.1993.522788","url":null,"abstract":"The results of calibrating an infrared multiposition sensor system are presented. The system is characterized from both a spatial position accuracy and frequency domain point of view. Data are presented to support the conclusions drawn from these results.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125694314","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 proposed modification for the DQDB protocol and its effect on fairness and performance 提出对DQDB协议的修改及其对公平性和性能的影响
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522841
S. Shah, J. Bredeson
{"title":"A proposed modification for the DQDB protocol and its effect on fairness and performance","authors":"S. Shah, J. Bredeson","doi":"10.1109/SSST.1993.522841","DOIUrl":"https://doi.org/10.1109/SSST.1993.522841","url":null,"abstract":"The performance and fairness issues involved in general, and under overload conditions in particular, are examined for the distributed queue dual bus network. An erasure-nodes modification to the protocol is studied and implemented in a simulation model. Subnetwork parameters such as average throughput and average bus access delays are monitored. Fair and equitable allocation of bandwidth among nodes at the center of the dual bus is observed.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127002714","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
Acceleration of the modal series in the Neumann scattering problem for a hemispherical shell 半球形壳体诺伊曼散射问题中模态级数的加速度
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522737
D. Denison, R. Scharstein
{"title":"Acceleration of the modal series in the Neumann scattering problem for a hemispherical shell","authors":"D. Denison, R. Scharstein","doi":"10.1109/SSST.1993.522737","DOIUrl":"https://doi.org/10.1109/SSST.1993.522737","url":null,"abstract":"A mixed boundary value problem for the scalar acoustic field scattered by an axisymmetric plane wave incident upon a hard hemispherical shell is formulated. The resulting discontinuity in surface pressure is expressed in terms of a complete set of weighted Chebyshev polynomials that satisfy the correct asymptotic edge condition. In this way, the extremely slowly converging modal series of spherical wave functions is transformed to a convergent sum of physically motivated basis functions. Truncation to a finite number of unknown coefficients, together with Galerkin projection, yields a set of linear algebraic equations.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134106637","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
Diskless workstation traffic characterization in a university environment 大学环境中的无磁盘工作站流量特性
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522820
M.K. Acharya, B. Bhalla
{"title":"Diskless workstation traffic characterization in a university environment","authors":"M.K. Acharya, B. Bhalla","doi":"10.1109/SSST.1993.522820","DOIUrl":"https://doi.org/10.1109/SSST.1993.522820","url":null,"abstract":"This study seeks to provide a traffic characterization of a network consisting of diskless workstations. Traffic is characterized hierarchically as intra-LAN, inter-LAN, and LAN-to-WAN and compared at the application, transport, and medium access layers. Traffic is also compared with the traffic on a network with diskfull workstations. The results provide a quantitative measure of the network behavior and a basic qualitative understanding of some of the possible network management problems that might occur in practice.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"160 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129259521","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
Congestion management techniques in high-speed cell based networks 高速蜂窝网络中的拥塞管理技术
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522844
S. Darbha, H. Stern, J. Bredeson
{"title":"Congestion management techniques in high-speed cell based networks","authors":"S. Darbha, H. Stern, J. Bredeson","doi":"10.1109/SSST.1993.522844","DOIUrl":"https://doi.org/10.1109/SSST.1993.522844","url":null,"abstract":"Broadband packet networks based on the asynchronous transfer mode (ATM) are expected to support extremely bursty traffic. This network provides a large bandwidth, and hence, to make the operation of the network economical and to take advantage of the typical burstiness in various types of data from different sources, statistical multiplexing is necessary, which in turn requires new congestion control strategies. A detailed analysis of congestion in high-speed cell-based networks is presented. Currently available congestion control schemes and some of their salient features are also presented.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"481 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116400641","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 modified on-off model for conversational speech with short silence gaps 具有短沉默间隙的会话语音的一种改进的开关模型
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522847
H. Stern, Kin-Kwok Wong
{"title":"A modified on-off model for conversational speech with short silence gaps","authors":"H. Stern, Kin-Kwok Wong","doi":"10.1109/SSST.1993.522847","DOIUrl":"https://doi.org/10.1109/SSST.1993.522847","url":null,"abstract":"Modifications to P.T. Brady's (1969) six-state model for the on-off patterns in conversational speech are proposed in order to incorporate short speaking pauses while preserving the characteristics of longer silent gaps (long speaking pauses and listening pauses) and also preserving the dynamics of the interaction between speaking parties. The modifications are based on data concerning the characteristics of short speaking pauses and long speaking pauses in monologue speech, which are shown to be consistent with the data on long speaking pauses and uninterrupted talkspurt lengths in Brady's original six-state model.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"189 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115433251","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
False lock to phase lock bifurcation in a PLL 锁相环中的假锁到锁相分岔
1993 (25th) Southeastern Symposium on System Theory Pub Date : 1993-03-07 DOI: 10.1109/SSST.1993.522759
J. Stensby
{"title":"False lock to phase lock bifurcation in a PLL","authors":"J. Stensby","doi":"10.1109/SSST.1993.522759","DOIUrl":"https://doi.org/10.1109/SSST.1993.522759","url":null,"abstract":"New results are given on the phenomenon of false lock in second order, type-I phase-locked loops (PLLs). Of interest here is the behavior of a stable false lock state as a function of closed-loop gain, and the value of gain at which this state undergoes bifurcation and the loop locks-up. The results show that the DC component in the output of the loop's quadrature detector is proportional to a characteristic exponent of a variational equation obtained from the PLL's dynamics. This DC component can be used to determine how near the false-locked loop is to achieving phase lock. A numerical method is given for calculating the value of closed-loop gain at which false lock breaking bifurcation takes place and phase lock-up occurs. The results are applied to a simple example, and a comparison is made with an existing approximate method.","PeriodicalId":260036,"journal":{"name":"1993 (25th) Southeastern Symposium on System Theory","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125189208","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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