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Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation最新文献

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Design of three-dimensional (3-D) QMF recursive digital filter banks for HDTV 高清电视三维(3-D) QMF递归数字滤波器组设计
Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI: 10.1109/TENCON.1993.328016
X. Yang
{"title":"Design of three-dimensional (3-D) QMF recursive digital filter banks for HDTV","authors":"X. Yang","doi":"10.1109/TENCON.1993.328016","DOIUrl":"https://doi.org/10.1109/TENCON.1993.328016","url":null,"abstract":"A design approach to linear phase 3-D QMF recursive digital filter banks has been proposed. The design is based on a transfer function which adopts the Bessel function of the S domain as its original lowpass filter. By bilinear transformation of the 1-D S domain to the 3-D Z domain to the function, a linear phase 3-D recursive digital filter can be realized. The realized 3-D IIR filters not only keep the advantages of the linear phase characteristics in the pass band and approximately linear phase characteristics in the stop band, but also compress the transition band and increase the attenuation of the stopband. The 3-D QMF IIR digital filters can be realized by lower order ones to accomplish real-time image separation and reconstruction.<<ETX>>","PeriodicalId":110496,"journal":{"name":"Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129221473","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
Real-time image video edge enhancement using hardware convolver 基于硬件卷积的实时图像视频边缘增强
Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI: 10.1109/TENCON.1993.328007
Zhang Zongcheng, W. Hongyan, Liu Weixiao, Yu Ming
{"title":"Real-time image video edge enhancement using hardware convolver","authors":"Zhang Zongcheng, W. Hongyan, Liu Weixiao, Yu Ming","doi":"10.1109/TENCON.1993.328007","DOIUrl":"https://doi.org/10.1109/TENCON.1993.328007","url":null,"abstract":"The system described is a real-time edge detector for use in image processing. The edge-detection algorithm is a 3/spl times/3 Sobel operator and adopts a new circuit of adding to orientation information. The hardware is designed to work at the 10 MHz pixel rate, and will accommodate images of 512/spl times/512 pixels at frames/s with noninterlaced video, or of up to 512/spl times/290 pixels with interlaced scanning. The hardware is pipelined and paralleled to achieve the required speed. 20 ms is needed to process a 512/spl times/290 pixels grey-level image. It may be used in military reconnaissance, TV real-time tracking or industry inspection.<<ETX>>","PeriodicalId":110496,"journal":{"name":"Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130620251","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
Polynomial perceptron with its applications to M-QAM digital mobile radio reception systems 多项式感知器及其在M-QAM数字移动无线电接收系统中的应用
Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI: 10.1109/TENCON.1993.327940
Zengjun Xiang, G. Bi
{"title":"Polynomial perceptron with its applications to M-QAM digital mobile radio reception systems","authors":"Zengjun Xiang, G. Bi","doi":"10.1109/TENCON.1993.327940","DOIUrl":"https://doi.org/10.1109/TENCON.1993.327940","url":null,"abstract":"The nonlinear mapping ability of the polynomial perceptron (PP) is analyzed, which shows that any continuous functions can be approximated with any given accuracy by the polynomial perceptron with small degree L(L/spl ges/2) and the nonlinear mapping ability of PP is approximately the same as that of the multilayer perceptron (MLP). The PP model is applied to 16QAM digital mobile communication reception systems for adaptively equalizing the multipath fading channel and suppressing interference simultaneously. Computer simulations have been carried out and experimental results are given.<<ETX>>","PeriodicalId":110496,"journal":{"name":"Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation","volume":"501 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123196237","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 new design for autonomous land vehicle architecture 一种新的自主陆地车辆架构设计
Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI: 10.1109/TENCON.1993.320465
Zhang Shibin, Gao Ming, Zhan Tianwen, Tang Guowei
{"title":"A new design for autonomous land vehicle architecture","authors":"Zhang Shibin, Gao Ming, Zhan Tianwen, Tang Guowei","doi":"10.1109/TENCON.1993.320465","DOIUrl":"https://doi.org/10.1109/TENCON.1993.320465","url":null,"abstract":"Having analyzed the fundamental requirements of autonomous land vehicle (ALV) architecture designing, we find that the contradiction between the requirements of real-time and reliability is crucial. From our research, it can be shown that there are problems in solving this contradiction in the existing architectures. In order to solve such problems, we put forward a new design of ALV architecture, called the communication pipeline hierarchy system, and present some improvements.<<ETX>>","PeriodicalId":110496,"journal":{"name":"Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123403695","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
Throughput analysis of an FDDI network under frequent renegotiation 频繁重新协商下FDDI网络的吞吐量分析
Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI: 10.1109/TENCON.1993.327955
L. K. Neo, K. R. Subramanian, T. Cheng, V. Dubey
{"title":"Throughput analysis of an FDDI network under frequent renegotiation","authors":"L. K. Neo, K. R. Subramanian, T. Cheng, V. Dubey","doi":"10.1109/TENCON.1993.327955","DOIUrl":"https://doi.org/10.1109/TENCON.1993.327955","url":null,"abstract":"The fiber data distributed interface (FDDI) standard refers to a 100 megabits-per second token ring network that supports synchronous and asynchronous data transmission. The media access protocol is based on the timed token access protocol which provides adjustment of the load offered to the ring by setting the target token rotation time (TTRT). The present paper describes an analytical model of a homogeneous FDDI network under the assumption of heavy load, which allows the TTRT to be frequently bid for and adjusted as and when the access time requirements of synchronous traffic changes. An algorithm to calculate the mean throughput of the network under frequent renegotiation has been derived. The behaviour of the FDDI network under frequent renegotiation is analysed.<<ETX>>","PeriodicalId":110496,"journal":{"name":"Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121151067","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
BER evaluation of a high speed lightwave communication system using Raman preamplifier 基于拉曼前置放大器的高速光波通信系统误码率评估
Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI: 10.1109/TENCON.1993.328030
K. R. Prasad, C. Dattatreyan
{"title":"BER evaluation of a high speed lightwave communication system using Raman preamplifier","authors":"K. R. Prasad, C. Dattatreyan","doi":"10.1109/TENCON.1993.328030","DOIUrl":"https://doi.org/10.1109/TENCON.1993.328030","url":null,"abstract":"We derive an expression for the theoretical minimum detectable power at the output of a fiber Raman preamplified digital optical receiver that includes the effect of a GaAs MESFET front-end amplifier and the receiver circuitry. Analytical expression for the various sources of noise are presented. Numerical examples of bit error rate characteristics are discussed In importance with high bit rate systems.<<ETX>>","PeriodicalId":110496,"journal":{"name":"Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation","volume":"19 13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114089389","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 distributed multimedia conferencing system 分布式多媒体会议系统
Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI: 10.1109/TENCON.1993.319927
J. M. Ng, E. Chan, H. Ip, P. Tsang, K. Y. Kwok, Y.K. Lee
{"title":"A distributed multimedia conferencing system","authors":"J. M. Ng, E. Chan, H. Ip, P. Tsang, K. Y. Kwok, Y.K. Lee","doi":"10.1109/TENCON.1993.319927","DOIUrl":"https://doi.org/10.1109/TENCON.1993.319927","url":null,"abstract":"We present the design of a desktop multimedia conferencing system, called Nebula, built with a distributed conference control infrastructure with fault tolerance capability. The system provides for considerable flexibility in conferencing facilities: it supports three different modes of floor control passing and switching between these modes during a conference. Conferees can join a conference in various ways, with selection of chairperson according to seniority defined in the agenda file. To handle the concurrency problem, only the floor holder can modify shared data in the public windows. Each conferee holds a copy of shared data and only update operations are sent so as to improve response time and minimize network traffic. A simple and well defined application user interface (API) is provided and a number of multimedia applications has been developed using the API.<<ETX>>","PeriodicalId":110496,"journal":{"name":"Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation","volume":"90 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114224773","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: 5
Buffering schemes for ATM switches ATM交换机的缓冲方案
Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI: 10.1109/TENCON.1993.327956
Shang-jie Gu
{"title":"Buffering schemes for ATM switches","authors":"Shang-jie Gu","doi":"10.1109/TENCON.1993.327956","DOIUrl":"https://doi.org/10.1109/TENCON.1993.327956","url":null,"abstract":"The ATM switch, which is the most promising approach for the new switching technology in B ISDN, can be grouped into two major types: blocking and nonblocking switches. Even in nonblocking switches, it is still possible for the output collision to occur. To avoid cell loss due to collision, it is necessary to use buffers. Three buffering strategies for ATM switches are described in the paper. Their performances are discussed.<<ETX>>","PeriodicalId":110496,"journal":{"name":"Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114634560","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
On asynchronous stochastic learning control method 异步随机学习控制方法研究
Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI: 10.1109/TENCON.1993.320499
S. Zeng-qi, Deng Zhidong
{"title":"On asynchronous stochastic learning control method","authors":"S. Zeng-qi, Deng Zhidong","doi":"10.1109/TENCON.1993.320499","DOIUrl":"https://doi.org/10.1109/TENCON.1993.320499","url":null,"abstract":"In view of the limitation that a general asynchronous learning control method is unable to cope with systems with measurement noise, an asynchronous stochastic learning control system (ASLC) using stochastic approximation algorithm, is proposed. The corresponding convergence proof is given. To improve the convergence rate of stochastic approximation, ASLC with acceleration factor is further presented. A simulation example is given.<<ETX>>","PeriodicalId":110496,"journal":{"name":"Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation","volume":"15 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121501640","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 developing of a real-time multitasking system 实时多任务处理系统的开发
Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation Pub Date : 1993-10-19 DOI: 10.1109/TENCON.1993.320454
Niu Peiyi, Geng Wenming
{"title":"The developing of a real-time multitasking system","authors":"Niu Peiyi, Geng Wenming","doi":"10.1109/TENCON.1993.320454","DOIUrl":"https://doi.org/10.1109/TENCON.1993.320454","url":null,"abstract":"The computer control system to be presented in this paper is a multitasking system used in cigarette factories. We will discuss its developing in detail. This includes the system's functional requirements, the concerned problems when high order language is used to produce real-time multitasking program in a single task DOS operating system environment. Emphasis is also put on improving the reliability of general purpose personal computer system to make it suitable for the reliability requirement in industrial field.<<ETX>>","PeriodicalId":110496,"journal":{"name":"Proceedings of TENCON '93. IEEE Region 10 International Conference on Computers, Communications and Automation","volume":"54 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1993-10-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121692118","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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