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There are 70 papers published in subject: > since this site started. |
Results per page: | 70 Total, 7 Pages | << First < Previous 4 5 6 7 |
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1. On String Languages Generated by Spiking Neural P Systems with Exhaustive Use of Rules | |||
Zhang Xingyi,Zeng Xiangxiang,Pan Linqiang | |||
Information Science and System Science 02 April 2008 | |||
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Abstract:We continue the study of spiking neural P systems with exhaustive use of rules by considering these computing devices as language generators, where a step is associated with a symbol according to the number of spikes emitted by the output neuron and the sequence of these symbols associated with a halting computation of a given system constitutes a string. About string languages generated by spiking neural P systems with exhaustive use of rules, two cases are considered, one is interpreting a step as a new symbol when no spike is emitted, the other is interpreting it as the empty string. In all these cases, it is proved that finite and recursively enumerable languages are characterized by spiking neural P systems in exhaustive mode. Moreover, the relationships with regular languages are also investigated. | |||
TO cite this article:Zhang Xingyi,Zeng Xiangxiang,Pan Linqiang. On String Languages Generated by Spiking Neural P Systems with Exhaustive Use of Rules[OL].[ 2 April 2008] http://en.paper.edu.cn/en_releasepaper/content/20057 |
2. A Novel Encoding Architecture of QC-LDPC Codes Based on RAMs | |||
Zhang Wenjun ,Chen Liming | |||
Information Science and System Science 06 December 2007 | |||
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Abstract:In this paper, a method to mend the encoding architecture based on RAMS is presented for systematic-circulant (SC) form QC-LDPC codes. In this advanced architecture of QC-LDPC Codes Encoder, the RAMs are advisably used to store the parity-check bits and the pointers are introduced as the addresses of the RAMs instead of shift registers used for storing the generator of . Thus, the encoding process can be achieved by reading and writing on RAMs and the parity-check bits can be output serially. Because the encoding architecture doesn’t need any shift registers and parallel to serial circuit, hardware resource is saved and the data throughput is increased. | |||
TO cite this article:Zhang Wenjun ,Chen Liming . A Novel Encoding Architecture of QC-LDPC Codes Based on RAMs[OL].[ 6 December 2007] http://en.paper.edu.cn/en_releasepaper/content/16757 |
3. Design and Realization of Electronic Seal Administration System Based on Three-tier Architecture | |||
ding jie,Jie Guoli | |||
Information Science and System Science 19 October 2007 | |||
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Abstract:Design of three-tier structure is a new trend in network applications. This paper presents the framework of three-tier structure design and associates example to discuss particularly system structure and function module’s design. In the design, the advantage of the UML in MIS is demonstrated by using of UML modeling and an oil depot MIS example. | |||
TO cite this article:ding jie,Jie Guoli. Design and Realization of Electronic Seal Administration System Based on Three-tier Architecture[OL].[19 October 2007] http://en.paper.edu.cn/en_releasepaper/content/15782 |
4. A Study on VEPs by Multivariate Phase Synchronization Method | |||
Ling Li,Yang Xia | |||
Information Science and System Science 22 May 2007 | |||
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Abstract:Functional connectivity is defined as the temporal coherence between activities of different brain areas. One of the most useful methods to estimate functional connectivity is cross-correlation or coherence of the signals between pairs of scalp electrodes. The multivariate phase synchronization cluster approach is proposed in this paper to estimate the global connectivity based on the scalp EEG waveforms. The simulation results demonstrate that the connectivity sources can be found out and the difference of connectivity strength can be distinguished correctly. Then the analyses of real VEPs data related to human spatial selective attention study show that four connectivity sources can be detected and the difference of connectivity between attention and unattention experiments is quite distinct. In attention cases the connectivity sources are the opposite occipital and the same side frontal, but in unattention cases they are the middle parietal and the posterior occipital. | |||
TO cite this article:Ling Li,Yang Xia. A Study on VEPs by Multivariate Phase Synchronization Method[OL].[22 May 2007] http://en.paper.edu.cn/en_releasepaper/content/12957 |
5. An Association Based Approach to Discovering Ordering Rules | |||
Liu Dazhong | |||
Information Science and System Science 25 October 2006 | |||
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Abstract:The work presented in this paper focuses on discovering ordering rules between ordinal attributes. Generally speaking, rough set theory is the foundation of many algorithms of mining ordering rules. We provide a new approach using algorithm of mining association rules to solve this problem. The key to the problem is to transform information tables into transaction database. The comparison results demonstrate that the ordering rules mined by our method are comprehensive and more interesting. | |||
TO cite this article:Liu Dazhong . An Association Based Approach to Discovering Ordering Rules[OL].[25 October 2006] http://en.paper.edu.cn/en_releasepaper/content/8990 |
6. Nonlinear Spectral Analysis: Theory and ApplicationNonlinear Spectral Analysis: Theory and Application | |||
Han Chongzhao ,Wei Ruixuan ,Fang Yangwang ,Cao Jianfu ,Kong Xiangyu | |||
Information Science and System Science 22 December 2005 | |||
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Abstract:By analyzing the Volterra model in frequency domain, i.e. the generalized frequency response functions (GFRF), characteristics of nonlinear system in frequency domain can be realized, and it can be applied to fault diagnosis of nonlinear system. The Volterra model identification and fault diagnosis method are two important aspects of the nonlinear spectral analysis, we have obtained some new significant progresses about these two aspects in recent year. In this paper, the theory and application based on nonlinear spectral analysis are perfectly introduced, and the new progresses are also presented. For identification of Volterra model, by reconstructing the Volterra model as a pseudo-linear combination construction, and using a constrained optimization analysis idea, a fully decoupled Volterra adaptive identification algorithm is firstly presented. The simulation results show that the fully decoupled identification algorithm can effectively improve the convergence speed and precision of adaptive identification, and its convergence process is more stable. For improving robust performance of Volterra model identification, a robust total least mean square adaptive identification algorithm is presented by defining the Volterra total mean squared error and modifying estimated gradient according to the steepest descent principle. The theoretic analysis and simulation results have indicated its excellent performance. In addition, for reducing computation requirements in fault diagnosis based on nonlinear spectral analysis, a new diagnosis method based on multiple preset GFRF models is also presented. In this method, the multiple preset GFRF models are used to describe the corresponding working mode of the system, and the fault can be directly diagnosed according to the matching extend of each preset model to the current working mode of the system. The experiment test has proved this new diagnosis method is effective. | |||
TO cite this article:Han Chongzhao ,Wei Ruixuan ,Fang Yangwang , et al. Nonlinear Spectral Analysis: Theory and ApplicationNonlinear Spectral Analysis: Theory and Application[OL].[22 December 2005] http://en.paper.edu.cn/en_releasepaper/content/4585 |
7. Optimal Control for returns of used products by buy-back policy | |||
Xiaochen Sun,Fengsheng Tu,Tsiushuang Chen,Xiang Li | |||
Information Science and System Science 16 November 2005 | |||
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Abstract:An optimal control problem for collecting used products was considered in a reverse logistics system when a remanufacturing firm faces random arrivals and deterministic demands for used products. Traditionally, the return process of used products is considered as exogenous, which is out of control of the firm, and makes a huge burden for the firm. However, if the firm takes buy-back policy for used products, it will change the firm’s passive position. Firstly, a Markov Decision Process model with random input which is controlled by the price was proposed. Secondly, an optimal state-dependent solution with two critical states was given. Finally, a dynamic programming algorithm for solving the optimal state-dependent policy was developed. | |||
TO cite this article:Xiaochen Sun,Fengsheng Tu,Tsiushuang Chen, et al. Optimal Control for returns of used products by buy-back policy[OL].[16 November 2005] http://en.paper.edu.cn/en_releasepaper/content/3667 |
8. Cognitive Linguistics with TG Grammar as Comparison | |||
Liu Yongzhi | |||
Information Science and System Science 14 November 2005 | |||
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Abstract:This paper, with TG Grammar as comparison, is a study of the philosophical foundations, psychological hypothesis, linguistic propositions, especially the main claims in cognitive semantics. The study shows that cognitive linguistics, a methodology of linguistics rather than a school, explores language nature jointly from the perspective of objectivism and subjectivism, but it is neither of them, hence revolutionary in linguistic studies. | |||
TO cite this article:Liu Yongzhi. Cognitive Linguistics with TG Grammar as Comparison[OL].[14 November 2005] http://en.paper.edu.cn/en_releasepaper/content/3609 |
9. Metaphor Applied to the Study of Lexical Semantic Structure | |||
Liu Yongzhi | |||
Information Science and System Science 11 November 2005 | |||
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Abstract:This paper is a study of the lexical semantic structure in terms of metaphor and its co-functioning with synaesthesia and metonymy. Similarity of metaphor analyzed, metaphorical theories expounded, the author delves into the application of metaphor theories to the explanation of the semantic structure of such words as MOON, 月, and HANDICAPPED. | |||
TO cite this article:Liu Yongzhi. Metaphor Applied to the Study of Lexical Semantic Structure[OL].[11 November 2005] http://en.paper.edu.cn/en_releasepaper/content/3592 |
10. ROBUST STABILITY TEST FOR STATE-SPACE MODELS WITH STRUCTURED UNCERTAINTY | |||
Yang Xiao | |||
Information Science and System Science 04 July 2005 | |||
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Abstract: We develop two-dimensional (2-D) face test to determine the stability of a nominally stable linear state-space model being subjected to real structured perturbations. The system matrices are assumed to depend linearly on set of interval parameters. Since the system matrix family of the uncertain systems belongs to a kind of polytopes of matrices, we can apply a 2-D face test, which is necessary and sufficient condition for the robust Hurwitz or Schur stability for the uncertain matrices. Examples are given to verify the 2-D robust stability test to be correct. | |||
TO cite this article:Yang Xiao. ROBUST STABILITY TEST FOR STATE-SPACE MODELS WITH STRUCTURED UNCERTAINTY[OL].[ 4 July 2005] http://en.paper.edu.cn/en_releasepaper/content/2345 |
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