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在CATV系统中选择光纤与光缆之前,应该准确阅读说明书中有关技术参数的定义,当充分理解之后才能进入选定阶段。本文将就光纤与光缆的技术参数定义与选定方法分述如下。1光缆的技术参数定义1.1光纤的参数(1)纤芯直径光纤是由形成同心圆状的纤芯和周围的包层构成的。纤芯是传播光
Before choosing the fiber and cable in the CATV system, you should read the definition of the technical parameters in the manual exactly, and then enter the selected stage after fully understanding. This article will be fiber optic and optical cable technical parameters and selected methods are described below. 1 Definition of Technical Parameters of Optical Fiber 1.1 Parameters of Optical Fiber (1) Core Diameter An optical fiber is composed of a concentric circular core and a surrounding cladding. The core is the light transmitted