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China., 1991 International Conference on Circuits and Systems最新文献

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Real-time formant speech synthesis using the TMS320C25 基于TMS320C25的实时语音合成
China., 1991 International Conference on Circuits and Systems Pub Date : 1991-06-16 DOI: 10.1109/CICCAS.1991.184275
Zhang Wei, C. Zhigang
{"title":"Real-time formant speech synthesis using the TMS320C25","authors":"Zhang Wei, C. Zhigang","doi":"10.1109/CICCAS.1991.184275","DOIUrl":"https://doi.org/10.1109/CICCAS.1991.184275","url":null,"abstract":"Applications of speech synthesis systems depend on high synthetic speech quality, real-time operation and system cost. This paper focuses on the real-time implementation of an improved quality formant synthesis system by using the Texas Instruments TMS320C25 digital signal processor. Owing to using the phoneme as the basic synthesis unit, the required speech database capacity is fairly low, namely, 15 kbytes. Thus, the system cost is decreased rapidly.<<ETX>>","PeriodicalId":119051,"journal":{"name":"China., 1991 International Conference on Circuits and Systems","volume":"318 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123408950","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
Neural networks and associative memory 神经网络和联想记忆
China., 1991 International Conference on Circuits and Systems Pub Date : 1991-06-16 DOI: 10.1109/CICCAS.1991.184393
A. N. Michel
{"title":"Neural networks and associative memory","authors":"A. N. Michel","doi":"10.1109/CICCAS.1991.184393","DOIUrl":"https://doi.org/10.1109/CICCAS.1991.184393","url":null,"abstract":"Summary form only given, as follows. This author presents several design techniques that can be used for continuous-time and discrete-time neural networks in order to realize associative memories. The applicability of these techniques is demonstrated by means of specific examples which illustrate strengths and weaknesses.<<ETX>>","PeriodicalId":119051,"journal":{"name":"China., 1991 International Conference on Circuits and Systems","volume":"431 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123413638","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
Analysis of piecewise-linear circuits by complementarity pivot approach 分段线性电路的互补枢轴法分析
China., 1991 International Conference on Circuits and Systems Pub Date : 1991-06-16 DOI: 10.1109/CICCAS.1991.184448
Sun Shiqian, S. Dun
{"title":"Analysis of piecewise-linear circuits by complementarity pivot approach","authors":"Sun Shiqian, S. Dun","doi":"10.1109/CICCAS.1991.184448","DOIUrl":"https://doi.org/10.1109/CICCAS.1991.184448","url":null,"abstract":"A new approach for solving resistive piecewise-linear networks is recommended which uses the equivalent linear models containing controlled switches. Then the generalized complementary equations are formulated and all the solutions are found by the iteration method. The advantage of the approach is that the voltages and currents of the controlled switches are taken as the basic variables. Consequently, the physical meanings of the variables are more clear and the approach is more straight forward than the parameter equations.<<ETX>>","PeriodicalId":119051,"journal":{"name":"China., 1991 International Conference on Circuits and Systems","volume":"122 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121196441","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
Double and triple charge pump design 双、三电荷泵设计
China., 1991 International Conference on Circuits and Systems Pub Date : 1991-06-16 DOI: 10.1109/CICCAS.1991.184434
G. Di Cataldo, G. Palumbo
{"title":"Double and triple charge pump design","authors":"G. Di Cataldo, G. Palumbo","doi":"10.1109/CICCAS.1991.184434","DOIUrl":"https://doi.org/10.1109/CICCAS.1991.184434","url":null,"abstract":"Describe a design methodology for a double and a triple optimized charge pump. The discussed circuits allow the switching on of the power MOS device. The authors report the theoretical models of the charge pumps in order to obtain either a better knowledge of the circuits, and or an optimized design. The way adopted to reach the model of the double charge pump is in detail discussed.<<ETX>>","PeriodicalId":119051,"journal":{"name":"China., 1991 International Conference on Circuits and Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121370953","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: 8
A simple tone classifier for Cantonese recognition 一个简单的粤语语音分类器
China., 1991 International Conference on Circuits and Systems Pub Date : 1991-06-16 DOI: 10.1109/CICCAS.1991.184269
Y. H. Cheng, P. Ching
{"title":"A simple tone classifier for Cantonese recognition","authors":"Y. H. Cheng, P. Ching","doi":"10.1109/CICCAS.1991.184269","DOIUrl":"https://doi.org/10.1109/CICCAS.1991.184269","url":null,"abstract":"This paper presents a method for tone classification of discrete Cantonese utterance. An in-depth study on the characteristics, properties and variations of different isolated words with the same tone and spoken by various speakers has been carried out. Based on this study, several feature parameters that are pertinent to tone identification were defined. Although some of these parameters are dependent on the intrinsic pitch of the speaker, speaker dependence of the feature set is effectively removed by using a novel intrinsic pitch estimation procedure. A neural net was trained to perform tone classification by utilizing the feature set derived. An average speaker-independent recognition accuracy of around 84% was obtained.<<ETX>>","PeriodicalId":119051,"journal":{"name":"China., 1991 International Conference on Circuits and Systems","volume":"87 21","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114052906","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
Modified nodal formulation with noise analysis for linear circuits and networks 线性电路和网络的改进节点公式与噪声分析
China., 1991 International Conference on Circuits and Systems Pub Date : 1991-06-16 DOI: 10.1109/CICCAS.1991.184286
Tianrong Zhang, Qui-ye Zhang
{"title":"Modified nodal formulation with noise analysis for linear circuits and networks","authors":"Tianrong Zhang, Qui-ye Zhang","doi":"10.1109/CICCAS.1991.184286","DOIUrl":"https://doi.org/10.1109/CICCAS.1991.184286","url":null,"abstract":"Describes an approach for dealing with the problem of nodal circuit analysis when the admittance matrix either does not exist or numerically becomes very large in computer-aided design programs. Noise analysis for these special situations is also emphasized.<<ETX>>","PeriodicalId":119051,"journal":{"name":"China., 1991 International Conference on Circuits and Systems","volume":"42 5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122447157","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: 3
The application of neural nets: the design of recursive digital filters 神经网络的应用:递归数字滤波器的设计
China., 1991 International Conference on Circuits and Systems Pub Date : 1991-06-16 DOI: 10.1109/CICCAS.1991.184413
Zhang Hui, Dejung Wang
{"title":"The application of neural nets: the design of recursive digital filters","authors":"Zhang Hui, Dejung Wang","doi":"10.1109/CICCAS.1991.184413","DOIUrl":"https://doi.org/10.1109/CICCAS.1991.184413","url":null,"abstract":"This paper presents an optimal design technique for recursive digital filters using a highly interconnected Hopfield optimization neural network.<<ETX>>","PeriodicalId":119051,"journal":{"name":"China., 1991 International Conference on Circuits and Systems","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122459531","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
Experimental investigation of 8 GHz LO-echoing FET up-converter 8ghz lo回波场效应管上转换器的实验研究
China., 1991 International Conference on Circuits and Systems Pub Date : 1991-06-16 DOI: 10.1109/CICCAS.1991.184365
Wang HuiGong, Zhang Shilin
{"title":"Experimental investigation of 8 GHz LO-echoing FET up-converter","authors":"Wang HuiGong, Zhang Shilin","doi":"10.1109/CICCAS.1991.184365","DOIUrl":"https://doi.org/10.1109/CICCAS.1991.184365","url":null,"abstract":"The performance of an 8 GHz LO-Echoing FET up-converter is presented. A conversion gain of 1.3 dB from 70 MHz IF to the up-converted output and a conversion loss of 4.7 dB from 8.350 GHz LO to the up-converted output are obtained. The maximum up-converted output power is 16.7 dBm. The up-converter can be used as the output of a microwave transmitter. It can replace the diode up-converter and the first two stages in the FET high-power amplifier.<<ETX>>","PeriodicalId":119051,"journal":{"name":"China., 1991 International Conference on Circuits and Systems","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131417284","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
Pattern recognition in spike trains 尖峰列车的模式识别
China., 1991 International Conference on Circuits and Systems Pub Date : 1991-06-16 DOI: 10.1109/CICCAS.1991.184362
Chen Ziaoying, Chai Zhen-ming
{"title":"Pattern recognition in spike trains","authors":"Chen Ziaoying, Chai Zhen-ming","doi":"10.1109/CICCAS.1991.184362","DOIUrl":"https://doi.org/10.1109/CICCAS.1991.184362","url":null,"abstract":"The modern neuroelectrical physiology indicates that there are certain patterns in neural spike trains which appear more frequently than others. These favored patterns (FP) may be related to the mechanism of neural information processing in central nervous system. This paper describes the quantized Monte Carlo method and template method which are used in FP recognition. The Monte Carlo method determines the FP candidates. The template method chooses FP from the candidates and counts the number of the FP in the spike train. This work will be pursued for extracting the FP in some complicated spike train.<<ETX>>","PeriodicalId":119051,"journal":{"name":"China., 1991 International Conference on Circuits and Systems","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127783102","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 fast algorithm for bispectra based time delay estimation 一种基于双谱的快速时延估计算法
China., 1991 International Conference on Circuits and Systems Pub Date : 1991-06-16 DOI: 10.1109/CICCAS.1991.184357
Wang Jinlin, Li Qihu
{"title":"A fast algorithm for bispectra based time delay estimation","authors":"Wang Jinlin, Li Qihu","doi":"10.1109/CICCAS.1991.184357","DOIUrl":"https://doi.org/10.1109/CICCAS.1991.184357","url":null,"abstract":"Time delay estimation has been a problem of considerable practice interest in sonar design for a long time. The conventional estimation, GCC processor, has poor performance when the signal to noise ratio is small. C.L. Nikias and others show that the performance of estimation can be improved if higher-order spectra(polyspectra) are used. But not only conventional bispectrum methods, but also parametric bispectrum methods are difficult to implement, due to complication of calculation, such as: matrix multiplication and inversion. In this paper, bispectra based time delay estimator, which has some genuine advantages in implementation, is developed by using the principle of generalized cross-spectra method proposed by Li, Qihu (1984).<<ETX>>","PeriodicalId":119051,"journal":{"name":"China., 1991 International Conference on Circuits and Systems","volume":"165 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1991-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132630088","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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