光控阵列实验系统用光开关及OTTD的设计  

Design of Optical Switch and OTTD Used in Experimental OCPA System

作　　者：高瑜翔[1] 文斌[1] 何子述[2] 

机构地区：[1]成都信息工程学院实时数字信号处理与应用重点实验室,成都610225 [2]电子科技大学电子工程学院,成都610054

出　　处：《现代雷达》2008年第6期84-86,90,共4页Modern Radar

摘　　要：介绍和分析了实验系统的OTTD中采用的光开关及其性能特点;设计了一种结构简单、高速响应、大电流、低能耗的光开关驱动电路;研究了OTTD的结构与设计,包括OTTD的网络构架设计、延时位数、光开关个数的确定,以及时延光纤的时延值设计,并通过理论计算和计算机仿真了离散时延开关网络对光控阵列扫描波束的个数和位置的影响;最后给出了时延测试典型值。The performance of the optical switch in experimental OTTD units are introduced and analyzed.A kind of drive circuit is designed.Its structure is simple,and response speed is high,and throughout current is rather large and dissipation power is very small.The structure and design of OTTD,including the framework,and the number of delay bit optical switch and the time delay step,are studied,and all the design results are given also.By using of theoretical computation and computer simulation,the effects of disc...

关 键 词：光控相控阵 光开关 光实时延迟 

分 类 号：TN958.92[电子电信—信号与信息处理]