Zobrazeno 1 - 10
of 26
pro vyhledávání: '"周文俊"'
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 27-32 (1993)
本文介绍通过计算机对任意芯双包层单模光纤的模场直径的研究,该方法具有适用范围广、精度高、速度快的特点。计算结果与实际测量对比,证明该方法有较好的实用价值。
Externí odkaz:
https://doaj.org/article/a30f21e76971469daef9ae93b8a60cc4
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 63- (1993)
本文分两部分:第一部分对掩模法测模场直径进行了更深入的研究。自国外报道利用掩模法测模场直径以来,由于其装置简单,提高了测量系统的光学效率和信噪比等优点,引起人们的注意。但到
Externí odkaz:
https://doaj.org/article/86bcb2b807184c16900de0b19e438fa5
Autor:
周文俊
Publikováno v:
Tongxin xuebao, Vol , Pp 55-61 (1989)
Externí odkaz:
https://doaj.org/article/42f7b22a942b447ba5b93713268ee7a1
Autor:
周文俊
Publikováno v:
Tongxin xuebao, Vol , Pp 95-101 (1984)
Externí odkaz:
https://doaj.org/article/883766cd592c4cc08d88fb9fd3291788
Autor:
周文俊
Publikováno v:
Tongxin xuebao, Vol , Pp 39-43 (1982)
Externí odkaz:
https://doaj.org/article/b74333cc07bc4bf2a829cf3d8f47c750
Autor:
周文俊
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 11-24 (1982)
本文推导了单模光纤的完整色散公式。精确计算了阶跃单模光纤在不同参数下的总色散,並与国外有关测量结果进行了比较。特别研究了阶跃单模光纤在1.3μm和1.55μm两个低损耗窗口处的色散
Externí odkaz:
https://doaj.org/article/e157c364a0954b8ba1cb627832b2b05c
Autor:
周文俊
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 40-45 (1984)
本文根据保立和夫、大越孝敬提出的公式稍加改动。用BASIC语言编制了一个单模光纤截止波长的计算程序。在W—91计算机上计算了各方次律光纤和W型光纤LP11模的归一化截止频率;还计算了抛
Externí odkaz:
https://doaj.org/article/2b908ed538d54b6099f1b96cdd4e0148
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 28-39 (1986)
我们于一九八五年四月二十五日至五月八日应邀访问了意大利。访问的主要目的是参观并了解CSELT（意人利电信研究实验中心）的情况,与CSELT专家交流光纤通信测试技术方面的经验,并商定八
Externí odkaz:
https://doaj.org/article/b5cccfa5efd543ad81267f62877db372
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 24-32 (1987)
本文将变分有限元法以两种不同的处理进行了扩充,并用其详细研究了双包层单模光纤的色散特性,得出一些有意义的结论。
Externí odkaz:
https://doaj.org/article/72efdb6bbd54448e8394ab087529adcb
Autor:
Chu Van Tuan, 周文俊
96
In Greek, “Aletheia” means “Unverbogenheit”, later it is understood as the truth. From Plato, the whole werstern philosophy has constently been looking for the Essence of truth and considered it as “the correctness of justment”, t
In Greek, “Aletheia” means “Unverbogenheit”, later it is understood as the truth. From Plato, the whole werstern philosophy has constently been looking for the Essence of truth and considered it as “the correctness of justment”, t
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/65571098512800208491
