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分析了光实时延时技术(OTTD)出现的背景,讨论了OTTD技术的理论基础,在此基础上,分别讨论了基于光纤的OTTD技术、基于光纤光栅的OTTD技术和基于光波导技术的OTTD技术。针对各种类型的技术讨论了其主要技术特色和优缺点。
The background of OTTD is analyzed. The theoretical basis of OTTD technology is discussed. On the basis of this, OTTD technology based on optical fiber, OTTD technology based on fiber grating and OTTD technology based on optical waveguide technology are discussed respectively . The main technical features and advantages and disadvantages are discussed for various types of technology.