Zobrazeno 1 - 10
of 10
pro vyhledávání: '"张国海"'
Publikováno v:
Journal of Nanjing Medical University: Social Sciences. Aug2024, Vol. 24 Issue 4, p352-358. 7p.
Autor:
张国海
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 58- (1993)
三菱电机成功地开发出速率可达2.5Gbit/s,传输距离可达100km适合SDH用的光通信器件,波长为1.55μm。这种器件采用的是多量子阱结构,电光转换效率高,并且可将波长的变动控制到0.3ns。在50℃高温
Externí odkaz:
https://doaj.org/article/5e17723f5e81408d8a0b56a46f789b3f
Publikováno v:
Guangtongxin yanjiu, Vol , p 0 (1994)
本文综合分析光纤传输方式与微波、市话电缆、ＰＣＭ传输方式的技术经济性能；论述光纤传输技术在农话组网中的应用；介绍进一步降低农用数字光缆通信设施成本的措施。
Externí odkaz:
https://doaj.org/article/b0620600d2074ee88bacbe22ea41b060
Autor:
张国海
Publikováno v:
Engineering Science Research & Application; 2024, Vol. 5 Issue 14, p46-48, 3p
Autor:
张国海
Publikováno v:
Mechanical & Electronic Control Engineering; 2024, Vol. 6 Issue 5, p56-58, 3p
Publikováno v:
Journal of Henan University of Science & Technology, Natural Science; 10/25/2023, Vol. 44 Issue 5, p82-89, 8p
Publikováno v:
Transactions of the Chinese Society of Agricultural Engineering; 2022, Vol. 38 Issue 14, p1-11, 11p
Autor:
張國海
99
Nowadays, along with the development of the industry, human has realized that material and technology are two crucial to the development of the industry. The discovery of semiconductor materials and its successful application has opened a new
Nowadays, along with the development of the industry, human has realized that material and technology are two crucial to the development of the industry. The discovery of semiconductor materials and its successful application has opened a new
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/32760367233076393227
Publikováno v:
Southwest China Journal of Agricultural Sciences; 2015, Vol. 28 Issue 6, p2726-2729, 4p