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Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems最新文献

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Speed improvement in the transient analysis of transmission lines 提高输电线路暂态分析的速度
Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems Pub Date : 1996-11-18 DOI: 10.1109/APCAS.1996.569225
F. Lau, M. Yip
{"title":"Speed improvement in the transient analysis of transmission lines","authors":"F. Lau, M. Yip","doi":"10.1109/APCAS.1996.569225","DOIUrl":"https://doi.org/10.1109/APCAS.1996.569225","url":null,"abstract":"A partial convergence speedup technique has been incorporated into the waveform relaxation method and applied to the transient analysis of transmission lines. Simulation results show another 20% speed improvement compared with that without using the speedup technique.","PeriodicalId":20507,"journal":{"name":"Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems","volume":"50 1","pages":"85-88"},"PeriodicalIF":0.0,"publicationDate":"1996-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75012121","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
Delay analysis of coupled transmission lines 耦合传输线的延迟分析
Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems Pub Date : 1996-11-18 DOI: 10.1109/APCAS.1996.569224
A. Kahng, S. Muddu
{"title":"Delay analysis of coupled transmission lines","authors":"A. Kahng, S. Muddu","doi":"10.1109/APCAS.1996.569224","DOIUrl":"https://doi.org/10.1109/APCAS.1996.569224","url":null,"abstract":"In this paper, we analyze coupled transmission lines and obtain a relationship between the moments of the coupled transfer functions. We then derive expressions for the first and second moments of the coupled transfer function which can be used to compute the response and threshold delays under various input excitations. We can compute the interconnect delay under parasitic coupling effects by using the previously derived analytic delay formulas for step and ramp inputs. We also present the analysis to compute the general k/sup th/ moment for the coupled interconnect lines.","PeriodicalId":20507,"journal":{"name":"Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems","volume":"38 1","pages":"81-84"},"PeriodicalIF":0.0,"publicationDate":"1996-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73047044","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
An 8-bit 70-MHz CMOS digital-to-analog converter with two-stage current cell matrix structure 一种8位70 mhz CMOS数模转换器，具有两级电流单元矩阵结构
Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems Pub Date : 1996-11-18 DOI: 10.1109/APCAS.1996.569301
Ji Hyun Kim, K. Yoon
{"title":"An 8-bit 70-MHz CMOS digital-to-analog converter with two-stage current cell matrix structure","authors":"Ji Hyun Kim, K. Yoon","doi":"10.1109/APCAS.1996.569301","DOIUrl":"https://doi.org/10.1109/APCAS.1996.569301","url":null,"abstract":"This paper describes an 8-bit 70-MHz CMOS digital to analog converter (DAC) with two stage current cell matrix structure which is composed of a 4 MSB current matrix stage and a 4 LSB current matrix stage. The two stage current cell matrix architecture allows the designed DAC to reduce not only the complexity of the decoding logic, but also the number of current sources. Fast settling time and low power consumption of the DAC are achieved by utilizing the proposed architecture. The simulation results show that the maximum conversion rate is 70 MHz, the power dissipation is 24.5 mW with a single power supply of 3.3 V, and the chip size is 0.8 mm/spl times/1.0 mm for a CMOS 1.5 /spl mu/m n-well technology.","PeriodicalId":20507,"journal":{"name":"Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems","volume":"15 1","pages":"405-408"},"PeriodicalIF":0.0,"publicationDate":"1996-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89992530","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
Cost-radius balanced spanning/Steiner trees 成本-半径平衡生成/斯坦纳树
Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems Pub Date : 1996-11-18 DOI: 10.1109/APCAS.1996.569294
H. Mitsubayashi, A. Takahashi, Y. Kajitani
{"title":"Cost-radius balanced spanning/Steiner trees","authors":"H. Mitsubayashi, A. Takahashi, Y. Kajitani","doi":"10.1109/APCAS.1996.569294","DOIUrl":"https://doi.org/10.1109/APCAS.1996.569294","url":null,"abstract":"The most crucial factor that degrades a high speed VLSI is the signal propagation delay in a routing tree. It is estimated additively by the amount of the source-to-sink path length and total length. To design a routing tree in which these two are balancingly small, we propose an algorithm to construct a spanning tree, by which a tree is constructed in a hybrid way of the Minimum-Tree and Shortest-Path Tree algorithms. The idea is extended to finding such a rectilinear Steiner tree. Experiments are given to show how the source-to-sink path length and total length are balanced and small.","PeriodicalId":20507,"journal":{"name":"Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems","volume":"60 1","pages":"377-380"},"PeriodicalIF":0.0,"publicationDate":"1996-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77892776","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: 11
Design of integrated continuous-time filters with low group-delay sensitivities 低群延迟灵敏度集成连续时间滤波器的设计
Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems Pub Date : 1996-11-18 DOI: 10.1109/APCAS.1996.569220
K. Wada, S. Takagi, N. Fujii
{"title":"Design of integrated continuous-time filters with low group-delay sensitivities","authors":"K. Wada, S. Takagi, N. Fujii","doi":"10.1109/APCAS.1996.569220","DOIUrl":"https://doi.org/10.1109/APCAS.1996.569220","url":null,"abstract":"This paper proposes a design method for integrated continuous-time filters with low group-delay sensitivities. For minimization of worst-case errors of a group delay by deviations of element values, the sum of absolute values of group-delay sensitivities for element values is considered and conditions for the minimization are proved. Although equations of group-delay sensitivities only at DC are used for the determination of element values in general signal-flow graphs, relatively low sensitivities at the other frequencies are confirmed by computer analysis.","PeriodicalId":20507,"journal":{"name":"Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems","volume":"64 3 1","pages":"65-68"},"PeriodicalIF":0.0,"publicationDate":"1996-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83277498","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
Abrupt scene change detection based on the temporal activity distributions 基于时间活动分布的场景突变检测
Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems Pub Date : 1996-11-18 DOI: 10.1109/APCAS.1996.569333
Jae-Ho Chung
{"title":"Abrupt scene change detection based on the temporal activity distributions","authors":"Jae-Ho Chung","doi":"10.1109/APCAS.1996.569333","DOIUrl":"https://doi.org/10.1109/APCAS.1996.569333","url":null,"abstract":"In this paper, an abrupt scene change detection algorithm is suggested. The algorithm is developed based on the temporal activity distribution that derived from the temporal subband analysis. Computer simulation results show that the proposed scheme is capable of detecting abrupt scene changes in video sequence accurately and efficiently.","PeriodicalId":20507,"journal":{"name":"Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems","volume":"6 1","pages":"540-543"},"PeriodicalIF":0.0,"publicationDate":"1996-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82168272","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
Spontaneous dialogue recognition with large out-of-vocabularies 有大量词汇外的自发对话识别
Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems Pub Date : 1996-11-18 DOI: 10.1109/APCAS.1996.569265
Hang-Seop Lee
{"title":"Spontaneous dialogue recognition with large out-of-vocabularies","authors":"Hang-Seop Lee","doi":"10.1109/APCAS.1996.569265","DOIUrl":"https://doi.org/10.1109/APCAS.1996.569265","url":null,"abstract":"This paper describes a Korean spontaneous speech recognition system that is part of a speech-to-speech translation system being developed in ETRI. The features of this system are as follows. First, we have compiled two large human to human dialog databases. The speech database used in training and evaluation of this system was composed of two task domains: 339 dialogs collected in appointment scheduling domain and 535 dialogs collected in the travel planning domain. Second, recognition performance was evaluated not only on no out-of-vocabulary (OoV) case but also on the OoV case. From the evaluation result of spontaneous speech recognition with high OoV rate, we addressed the problem of Korean language and proposed a solution.","PeriodicalId":20507,"journal":{"name":"Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems","volume":"75 1","pages":"247-250"},"PeriodicalIF":0.0,"publicationDate":"1996-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83285523","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
LV complementary differential pair with programmable rail-to-rail constant-g/sub m/ 具有可编程轨对轨常数g/sub /的低压互补差动副
Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems Pub Date : 1996-11-18 DOI: 10.1109/APCAS.1996.569232
C. Hwang, A. Motamed, M. Ismail
{"title":"LV complementary differential pair with programmable rail-to-rail constant-g/sub m/","authors":"C. Hwang, A. Motamed, M. Ismail","doi":"10.1109/APCAS.1996.569232","DOIUrl":"https://doi.org/10.1109/APCAS.1996.569232","url":null,"abstract":"In this paper a new differential pair architecture with programmable rail-to-rail constant-g/sub m/ is presented. Since the architecture adopts a signal processing method to obtain constant-g/sub m/ it can be implemented in any complementary VLSI technology and it functions regardless of transistor operating regions. An MOS implementation is discussed and is shown to operate in both weak and strong inversion, resulting in a programmable g/sub m/ over a very wide range.","PeriodicalId":20507,"journal":{"name":"Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems","volume":"90 1","pages":"113-116"},"PeriodicalIF":0.0,"publicationDate":"1996-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83903782","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
Robust 3-D depth estimation using genetic algorithm in stereo image pairs 基于遗传算法的立体图像对鲁棒三维深度估计
Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems Pub Date : 1996-11-18 DOI: 10.1109/APCAS.1996.569289
Yong-Suk Kim, Kyu-Phil Han, Eung-Joo Lee, Yeong-Ho Ha
{"title":"Robust 3-D depth estimation using genetic algorithm in stereo image pairs","authors":"Yong-Suk Kim, Kyu-Phil Han, Eung-Joo Lee, Yeong-Ho Ha","doi":"10.1109/APCAS.1996.569289","DOIUrl":"https://doi.org/10.1109/APCAS.1996.569289","url":null,"abstract":"In this paper, a genetic algorithm-based optimization technique for stereo matching is proposed. Stereo matching is the essential process for recovering the three-dimensional structure of objects. The geometrical difference of left and right images, called disparity, is constructed as two-dimensional chromosomes with fitness values inversely proportional to their costs. The cost function is composed of the intensity-difference between two images and smoothness of disparity. The crossover and mutation operators in the two-dimensional chromosomes are described. The operations are affected by the disparities of neighbor pixels. The knowledge-augmented operators are shown to result in a rapid convergence and stable result. The genetic algorithm for stereo matching is tested on synthetic and natural images. Experimental results for various images show that the proposed algorithm has good performance even if the image has unfavorable conditions.","PeriodicalId":20507,"journal":{"name":"Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems","volume":"18 1","pages":"357-360"},"PeriodicalIF":0.0,"publicationDate":"1996-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85113490","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 4 Mbps infrared wireless communication system dedicated to mobile computing 专用于移动计算的4mbps红外无线通信系统
Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems Pub Date : 1996-11-18 DOI: 10.1109/APCAS.1996.569284
H. Uno, K. Kumatami, H. Okuhata, I. Shirakawa, T. Chiba
{"title":"A 4 Mbps infrared wireless communication system dedicated to mobile computing","authors":"H. Uno, K. Kumatami, H. Okuhata, I. Shirakawa, T. Chiba","doi":"10.1109/APCAS.1996.569284","DOIUrl":"https://doi.org/10.1109/APCAS.1996.569284","url":null,"abstract":"A high performance and low power architecture is devised for a 4 Mbps infrared wireless communication system dedicated to the mobile computing. In this architecture, 4PPM(4-Pulse Position Modulation) infrared signals detected by an infrared receiver are digitized into TTL interface level pulses, and the digitized pulses are demodulated by a 1-bit digital demodulator. To improve the dynamic range of the link length, a 4PPM demodulator is synthesized to implement a demodulation algorithm which is constructed so as to accommodate the output tolerance of the infrared receiver. A part of experimental results shows that the realized 4 Mbps infrared communication system can achieve an error free link in the range of 0-140 cm at 90 mW power consumption.","PeriodicalId":20507,"journal":{"name":"Proceedings of APCCAS'96 - Asia Pacific Conference on Circuits and Systems","volume":"37 1","pages":"334-337"},"PeriodicalIF":0.0,"publicationDate":"1996-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81204261","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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