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Physical Frame Time-Slot Switching-A New Switching Technique over DWDM
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作者 许登元 窦军 涂建平 《Journal of Electronic Science and Technology of China》 2005年第3期208-212,263,共6页
A novel technique called physical frame time-slot switching (PFTS) is discussed and its technical and application aspects are analyzed. The format of the ethernet media access control (MAC) frame is borrowed in de... A novel technique called physical frame time-slot switching (PFTS) is discussed and its technical and application aspects are analyzed. The format of the ethernet media access control (MAC) frame is borrowed in defining the physical frame for PFTS and the transmission time for the maximum size of the MAC frame is defined as a physical frame time-slot (PFT). Consequently, user data can be fed into PFTS and switched in a single layer sub-network in an asynchronous mode. 展开更多
关键词 physical frame time-slot switching three dimension ethernet MAN ethernet-like physical frame single user plane architecture
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DYNAMICAL EQUATIONS FOR POLAR CONTINUA IN ORTHOGONAL CURVILINEAR COORDINATES
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作者 戴天民 宋彦琦 《Applied Mathematics and Mechanics(English Edition)》 SCIE EI 1999年第5期3-6,共4页
In this paper the concrete forms o f dyn amical equations for finite deformable polar elastic media of Boussinesq type, K irchhoff type, Signorini type and Novozhilov type with the help of the anholono mic physical f... In this paper the concrete forms o f dyn amical equations for finite deformable polar elastic media of Boussinesq type, K irchhoff type, Signorini type and Novozhilov type with the help of the anholono mic physical frame method are derived. 展开更多
关键词 polar continua dynamical equations anholonomic physical frame
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