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上海大学学报(英文版)
上海大学学报(英文版)

戴世强

季刊

1007-6417

jpsu_l@staff.shu.edu.cn

021-66135218

200444

上海市宝山区上大路99路上海大学124信箱

上海大学学报(英文版)/Journal Journal of Shanghai University(English Edition)
查看更多>>《Journal of Shanghai University》是在钱伟长校长的大力倡导和支持下于1997年6月创刊的。本刊由上海大学出版社出版,《上海大学学报》(英文版)编委会编辑, 上海大学期刊社发行。本刊设有“Reviews”,“Articles”,“Letters”,“Abstracts of Doctoral Dissertations”等栏目,报道范围涉及自然科学与工程技术的多种领域,主要有“应用数学和力学”,“信息技术”,“机电工程与自动化”,“材料科学与工程”等领域。 本刊重视学术论文的创新性。钱校长在本刊发刊词中把科研成果分为三类:第一类用新理论新方法解决新问题;第二类用新理论新方法解决老问题或用已有理论和方法解决新问题;第三类用已有理论和方法解决老问题。本刊将优先刊登第一类学术论文,也发表一些第二类学术论文,而不采用第三类论文。本刊只刊出未在正式刊物上公开发表过的研究论文。 本刊除刊登上海大学教师和研究生的最新研究成果外,也刊登其它高校及科研院所专家学者们的优秀学术论文,而且在论文的筛选和刊出上一视同仁。本刊尤其欢迎国家自然科学基金课题和国家“八六三”项目的研究论文以及海外留学生的研究论文,也欢迎资深学者的专题综述文章, 本刊也以“Letters”的形式报道学者们的阶段性研究成果。本刊主要向国外发行,向国外近20家文献检索刊物和数据库及近百所大学图书馆按期寄送。到目前为止,本刊已被国际多家重要检索刊物或数据库收录。它们是美国的“工程索引”(EI Page One),英国的“科学文摘”(SA-INSPEC),俄罗斯的“文摘杂志”(РЖ),日本的“科学技术文献速报”(CBST),美国的“剑桥科学文摘”(CSA),美国的“数学评论”(MR),美国的“应用力学评论”(AMR),德国的“数学文摘”(ZBI),美国的“化学文摘”(CA)等的收录期刊。本刊同时被国内4家全文数据库和多家专业文摘刊物收录。欢迎国内外专家学者投稿,有关投稿的具体要求见本刊征稿简则。本刊国内外公开发行, 可通过天津联合征订服务部、北京人天书店征订,也可直接向上海大学期刊社征订。
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    Influence of double Rayleigh backscatter in CATV systems with Raman amplifiers

    WANG Chun-huaLI LiWANG Jia-shiFAN Wei-jie...
    49-53页
    查看更多>>摘要:The double Rayleigh backscatter (DRB) effect in long distance CATV systems using fiber Raman amplifiers (FRAs) is investigated theoretically in the paper. As a comparison, performance of a system with erbium doped fiber amplifier (EDFA) is also evaluated. According to the simulation results, it is found that, in case of FRA, the increase of carrier-to-noise ratio (CNR) due to the DRB effect will not impair the performance more than that using EDFA.

    Analyzing multi-circular loop scatterers by Maxwellian circuits

    SHEN Wen-huiXUE Chang-weiMEI K. K.MENG Chun-xiang...
    54-57页
    查看更多>>摘要:Calculating the current distribution in circular loop scatterers commonly involves complicated computation. In this paper, based on the theory of Maxwellian circuits (MC), we propose a fast algorithm by solving a wave equation with constant parameters corresponding to the circular loop. Our method prodeces similar results compared to the methods using method of moments (MoM) with lower computational complexity. It is effective when there are parallel multiple circular loop scatterers. Experimental results show accuracy of the method.

    Modified simulated annealing evolutionary algorithm for fully distributed fiber Bragg grating temperature sensing

    CHEN NaLI Cheng-linCHEN Zhen-yiPANG Fu-fei...
    58-62页
    查看更多>>摘要:In this paper, we present a simple and fast spectra inversion method to reconstruct the temperature distribution along single fiber Bragg grating (FBG) temperature sensor. This is a fully distributed sensing method based on the simulated annealing evolutionary (SAE) algorithm. Several modifications are made to improve the algorithm efficiency, including choosing the most superior chromosome, setting up the boundary of every gene according to the density of resonance peaks of the reflection spectrum, and dynamically modifying the boundary with the algorithm running. Numerical simulation results show that both the convergence rate and the fluctuation are significantly improved. A high spatial temperature resolution of 0.25 mm has been achieved at the time cost of 86 s.

    Construction for M-arrays and application in structured light

    JIA Xiao-junZHANG Zhi-jiangYU Qing-cang
    63-68页
    查看更多>>摘要:M-arrays are random arrays in which an appropriate sub-window appears only once in the whole array. Coded structured light based on M-arrays is one-shot technique to rapidly acquire 3D information of unknown surfaces by projecting suitable patterns onto a measuring surface. This paper presents a method to construct large size M-arrays based on the piece growing algorithm in which an array is constructed by many pieces through splicing each other. Reconstructing 3D shapes by utilizing the designed pattern based on constructed M-arrays for two objects are given.

    Power auction and allocation for network-coded cooperation

    XU Hong-wanZOU Jun-ni
    69-74页
    查看更多>>摘要:Optimal resource allocation is critical to the efficiency of cooperative communications. In this paper, we develop an auction-based power allocation mechanism for network-coded cooperation in wireless networks, in which the sources compete for the relay power for maximum utility, while the relay node assigns the resource in accordance with the bids from the sources. Moreover, to improve the resource utilization, the relay node is allowed to perform network coding across the received information for the same destination. Finally, numerical results validate the performance of the proposed algorithm, and show that there exists a tradeoff between the system outage probability and the power consumed at the relay node.

    Fast algorithm for coherent source number estimation

    LIU KaiLI Hua
    75-78页
    查看更多>>摘要:In order to estimate the number of coherent sources, a Hankel matrix with the size of half the number of the received arrays is constructed using snapshot data of observed vectors. And the rank of the Hankel matrix is only related with the number of signal sources, no matter the signals are uncorrelated or coherent. We can get the signal and noise eigenvalues by conducting the singular value decomposition (SVD) to the Hankel matrix, the source number can be obtained by calculating the maximum ratio of each eigenvalue pair. The complexity of the algorithm is reduced greatly as only part of the observed data (single snapshot) is used. The Monte-Carlo simulation results demonstrate the feasibility of the algorithm.

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