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Tian: Acta Chim.

Tian, Chemosphere. 83 (2011) 349-355

Construction and analysis on a new concatenation code for optical communications Yuan Jianguoa, Tian Yangb, Zhang Jiec, Shu Liangbod Key Lab of Optical Fiber Communication Technology, Chongqing University of Posts and Telecommunications, Chongqing 400065, China ayuanjg@cqupt.edu.cn, b490237638@qq.com, c466540785@qq.com, d240300186@qq.com Keywords:concatenation code; bit error rate; net coding gain; construction; optical communication systems Abstract.Based on the theoretical analysis of both the characteristics for the concatenation code and the two concatenation code-types in ITU-T G.975.1, a new RS(255,223) + BCH(2040,1930) concatenation code for optical communications is constructed and analyzed.

Research on Urban Smart Water Resource Emergency Management Development Based on New Information Technology Yu Tian 1,a, Yunzhong Jiang 1, Mingxiang Yang1 1 State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research, Beijing 100038, China asweetrain511@163.com Keywords: Urban smart water resource management, Emergency management, Internet of things, Coordinated management, Scientific decision-making Abstract.

Klockow Silver films on diamond particles as substrates for surface-enhanced Raman scattering 1998 [5] Tian Z Q ,Ren B,Wu D Y.J.Phys.chem.B.2002, 106: 9463-9483 [6] E.

Journal of Henan Institute of Science and Technology, 2010(04) [3] Zhang hong tian, Zhang hui yan, Guo xiu ying, Zhang qing jiu.

References [1] TIAN X, DENG F Q.

Tian and W.M.

[4] Tian Y., PL Lewin, D.Pommerenke, JSWilkinson and SJsutton.

[4] Qiu Fu-Sheng,Ying Pei, Cong Sun, Shu-Tian Liu.Topology optimization design of 3D wing box.