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[Proceedings] Singapore ICCS/ISITA `92最新文献

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Comparison study on nonuniform sampling of bandwidth-limited signals 带宽受限信号非均匀采样的比较研究
[Proceedings] Singapore ICCS/ISITA `92 Pub Date : 1992-11-16 DOI: 10.1109/ICCS.1992.254921
S. Leung, Y.S. Zhu
{"title":"Comparison study on nonuniform sampling of bandwidth-limited signals","authors":"S. Leung, Y.S. Zhu","doi":"10.1109/ICCS.1992.254921","DOIUrl":"https://doi.org/10.1109/ICCS.1992.254921","url":null,"abstract":"Various nonuniform sampling methods have been summarized and a generalized recurrent sampling scheme, which can generally and mathematically describe the arbitrarily recurrent sampling schemes including either uniform or nonuniform sampling, has been derived. Some properties of the nonuniform sampling and the signal reconstruction have also been discussed.<<ETX>>","PeriodicalId":223769,"journal":{"name":"[Proceedings] Singapore ICCS/ISITA `92","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130546417","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
Optical fibre local access network software tools 光纤本地接入网工具软件
[Proceedings] Singapore ICCS/ISITA `92 Pub Date : 1992-11-16 DOI: 10.1109/ICCS.1992.255043
J. Senior, D.E. Asumu, L. Bickers, T. Finegan
{"title":"Optical fibre local access network software tools","authors":"J. Senior, D.E. Asumu, L. Bickers, T. Finegan","doi":"10.1109/ICCS.1992.255043","DOIUrl":"https://doi.org/10.1109/ICCS.1992.255043","url":null,"abstract":"Details are presented of a software package which combines the theoretical models developed in the course of a research programme with experimental data obtained from devices used in U.K. field trials of fibre in the local access network. This package could provide a rapid prototyping test-bed on which the early design and planning of the access network could be structured. The limits of optical network performance in the key areas of power budget and return loss can be assessed readily using the package as part of the design and planning process.<<ETX>>","PeriodicalId":223769,"journal":{"name":"[Proceedings] Singapore ICCS/ISITA `92","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121284108","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
IIR adaptive equalizer using channel estimator 使用信道估计器的IIR自适应均衡器
[Proceedings] Singapore ICCS/ISITA `92 Pub Date : 1992-11-16 DOI: 10.1109/ICCS.1992.255162
K. Itou, T. Simamura, H. Yashima, J. Suzuki
{"title":"IIR adaptive equalizer using channel estimator","authors":"K. Itou, T. Simamura, H. Yashima, J. Suzuki","doi":"10.1109/ICCS.1992.255162","DOIUrl":"https://doi.org/10.1109/ICCS.1992.255162","url":null,"abstract":"The authors propose an infinite impulse response (IIR) adaptive equalizer using a channel estimator. This equalizer is able to equalize the channel characteristics with the least mean square (LMS) algorithm even under the ill condition where the channel is distorted severely. It has a cascade structure of an all pole filter which has the inverse characteristics of the channel and a finite impulse response (FIR) adaptive filter updated by the LMS algorithm. In the case where only the FIR adaptive filter is used as the equalizer, the convergence property of the LMS algorithm changes for the worse under the ill condition. Because the use of the all pole filter, however, reduces such effects of the ill condition, the convergence property of the LMS algorithm of the FIR adaptive filter at the second stage is improved. Although the proposed equalizer is an IIR system, its stability is guaranteed by a simple operation. The performance of the proposed equalizer is shown by computer simulations.<<ETX>>","PeriodicalId":223769,"journal":{"name":"[Proceedings] Singapore ICCS/ISITA `92","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121302625","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 improved reliable distributed mutual exclusion algorithm 一种改进的可靠分布式互斥算法
[Proceedings] Singapore ICCS/ISITA `92 Pub Date : 1992-11-16 DOI: 10.1109/ICCS.1992.254981
S. Jayaprakash, C. Muthukrishnan
{"title":"An improved reliable distributed mutual exclusion algorithm","authors":"S. Jayaprakash, C. Muthukrishnan","doi":"10.1109/ICCS.1992.254981","DOIUrl":"https://doi.org/10.1109/ICCS.1992.254981","url":null,"abstract":"Reliability and efficiency are two important characteristics of a good distributed mutual exclusion algorithm. Efficiency is generally considered in terms of the number of message transfers required. Considering the reliability aspect, it is desirable that an algorithm should be 'fully fault tolerant', i.e. capable of providing failed node removal and restart facility. Raymond's algorithm is efficient and it needs only O(log N) messages to enter a critical section. The authors show that Raymond's algorithm is not fully fault-tolerant and improve it to provide fully fault-tolerant capability for the case of single node failure.<<ETX>>","PeriodicalId":223769,"journal":{"name":"[Proceedings] Singapore ICCS/ISITA `92","volume":"82 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116472266","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
Theory of an external cavity semiconductor laser with optical phase-locked loop 具有光锁相环的外腔半导体激光器原理
[Proceedings] Singapore ICCS/ISITA `92 Pub Date : 1992-11-16 DOI: 10.1109/ICCS.1992.255036
L. Qing, Ye Peida
{"title":"Theory of an external cavity semiconductor laser with optical phase-locked loop","authors":"L. Qing, Ye Peida","doi":"10.1109/ICCS.1992.255036","DOIUrl":"https://doi.org/10.1109/ICCS.1992.255036","url":null,"abstract":"On the basis of an improved model of an optical phase-locked loop and the rate equations of such a laser, the effects of loop feedback on the frequency fluctuation (FM) noise are discussed. A new linewidth formula of the local laser is presented.<<ETX>>","PeriodicalId":223769,"journal":{"name":"[Proceedings] Singapore ICCS/ISITA `92","volume":"52 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127093385","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 TDM/CDMA VSAT network integrating voice/data service and its operation management 一种集话音/数据业务及其运营管理于一体的TDM/CDMA VSAT网络
[Proceedings] Singapore ICCS/ISITA `92 Pub Date : 1992-11-16 DOI: 10.1109/ICCS.1992.254905
Haige Xiang, Xinping Guo, Qinglin Liang, Yaohuang Yu, Xuqiang Liao, Shouren Wang, Yie Jin, H. Chi
{"title":"A TDM/CDMA VSAT network integrating voice/data service and its operation management","authors":"Haige Xiang, Xinping Guo, Qinglin Liang, Yaohuang Yu, Xuqiang Liao, Shouren Wang, Yie Jin, H. Chi","doi":"10.1109/ICCS.1992.254905","DOIUrl":"https://doi.org/10.1109/ICCS.1992.254905","url":null,"abstract":"A TDM/CDMA VSAT network is described in which the data and real-time vocoder service can be simultaneously provided. The network architecture, link design, switching equipment, communication protocol and network management etc. are given.<<ETX>>","PeriodicalId":223769,"journal":{"name":"[Proceedings] Singapore ICCS/ISITA `92","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121518545","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
Data security-can auditor involvement or use of auditing techniques help in building more secure systems? 数据安全—审计师的参与或审计技术的使用是否有助于构建更安全的系统?
[Proceedings] Singapore ICCS/ISITA `92 Pub Date : 1992-11-16 DOI: 10.1109/ICCS.1992.254990
P. W. Wade
{"title":"Data security-can auditor involvement or use of auditing techniques help in building more secure systems?","authors":"P. W. Wade","doi":"10.1109/ICCS.1992.254990","DOIUrl":"https://doi.org/10.1109/ICCS.1992.254990","url":null,"abstract":"Advances in technology allow the building of ever more complex applications systems, typified by systems involving electronic data interchange (EDI). While management has become less concerned with the issue of security, systems are becoming more difficult to control, while computer fraud crimes, particularly those perpetrated by 'trusted' insiders continue to rise. It is vital that those involved in building systems ensure that they are auditable, controllable and secure, as well as usable and maintainable. Systems analysts and EDP auditors have roles to play, and methodologies and tools must be enhanced to meet these requirements.<<ETX>>","PeriodicalId":223769,"journal":{"name":"[Proceedings] Singapore ICCS/ISITA `92","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124358680","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
Object oriented methodology for switching software reuse 面向对象的切换软件重用方法
[Proceedings] Singapore ICCS/ISITA `92 Pub Date : 1992-11-16 DOI: 10.1109/ICCS.1992.254975
Zhou Chen, Chen Junliang
{"title":"Object oriented methodology for switching software reuse","authors":"Zhou Chen, Chen Junliang","doi":"10.1109/ICCS.1992.254975","DOIUrl":"https://doi.org/10.1109/ICCS.1992.254975","url":null,"abstract":"An overview of reuse methods for switching software is given, and an object oriented model is derived. Some formal definitions are given to support this OO method. Object oriented SDL and CHILL are used to promote specification and implementation reuse. A supporting environment for reuse is also developed to make the best use of reusable objects.<<ETX>>","PeriodicalId":223769,"journal":{"name":"[Proceedings] Singapore ICCS/ISITA `92","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132664650","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
Quantitative measure of intelligence 智力的定量测量
[Proceedings] Singapore ICCS/ISITA `92 Pub Date : 1992-11-16 DOI: 10.1109/ICCS.1992.255040
O. Ahmad, A.M. Alvarez, Chan Choong Wah
{"title":"Quantitative measure of intelligence","authors":"O. Ahmad, A.M. Alvarez, Chan Choong Wah","doi":"10.1109/ICCS.1992.255040","DOIUrl":"https://doi.org/10.1109/ICCS.1992.255040","url":null,"abstract":"A method of measuring intelligence quantitatively in units of bits based on information theory is presented. The proposed definition of intelligence gives only a quantitative measure of the thinking process distinguishable from the information processing part and knowledge. It also treats intelligence as a resource and predicts that a C compiler uses more intelligence per instruction than a Spice program. The term 'capability for intelligence' is introduced and shows that a human being may have a much higher capability for intelligence than a microprocessor. The amount of intelligence measured can be used to develop more intelligent microprocessors and algorithms.<<ETX>>","PeriodicalId":223769,"journal":{"name":"[Proceedings] Singapore ICCS/ISITA `92","volume":"2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131577536","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
Reception of GPS signal on diversified terrain 在不同地形上接收GPS信号
[Proceedings] Singapore ICCS/ISITA `92 Pub Date : 1992-11-16 DOI: 10.1109/ICCS.1992.255150
H.K. Tang, L. Chin, Y.T. Tan, L. H. Tay
{"title":"Reception of GPS signal on diversified terrain","authors":"H.K. Tang, L. Chin, Y.T. Tan, L. H. Tay","doi":"10.1109/ICCS.1992.255150","DOIUrl":"https://doi.org/10.1109/ICCS.1992.255150","url":null,"abstract":"A portable GPS (global positioning system) receiver was used to test GPS signal reception in Singapore where many different terrain can be found. The paper reports on some of the measurement results. A brief description of GPS and a discussion on the relationship between signal reception and positioning accuracy using GPS are also presented.<<ETX>>","PeriodicalId":223769,"journal":{"name":"[Proceedings] Singapore ICCS/ISITA `92","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1992-11-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128381220","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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