Zobrazeno 1 - 10
of 32
pro vyhledávání: '"楊淑雯"'
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 4-7 (2004)
文章首先给出了用于多用户的局域网以及城域环网的光码分多址（OCDMA）典型系统模型,然后在此系统环境下,着重研究了针对不同扩频开销和节点数的应用需求,采用分步傅里叶算法（SSFFT）分
Externí odkaz:
https://doaj.org/article/a70cb4a4492e46e39e80de945e0fbf34
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 23-27 (2003)
对光码分多址 （OCDMA）系统中的地址码 ,包括单极性码和双极性码的容量和性能进行了分析比较 ,给出了 4种双极性编码方案 .单极性系统无论是在确定误码率条件和同时传输用户数方面 ,还是
Externí odkaz:
https://doaj.org/article/8cb485faa6ee455a98bfd8ece8f2db14
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 31-34 (2002)
文章提出了二维光正交码的概念并对其性能进行了分析 .重点介绍了二维光正交码光纤延迟线编解码器的设计 ,并且给出了二维光正交码光纤光栅编码原理
Externí odkaz:
https://doaj.org/article/5424d83060a047a1b5ddbe56bb5c10cf
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 35-38 (2001)
阐述了光码分多址 （ OCDMA）频域编 /解码的主要技术 :（ 1 ）利用光栅 -掩膜板 ;（ 2 ）利用光纤光栅 -环形器 ;（ 3）利用阵列波导光栅 ;（ 4 ）利用 Mach- Zehnder干涉仪链 .详细介绍了它们的结
Externí odkaz:
https://doaj.org/article/15ae9ce97a71412f852afc013fde2b4d
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 32-35 (2001)
文章基于光码分复用编 /解码技术 ,阐述了光纤延迟线时域编 /解码器和利用光栅的频域编 /解码器 ;提出了一种两层网络的拓扑结构 :在 OCDMA星形局域网拓扑结构的基础上构造 WDM环网
Externí odkaz:
https://doaj.org/article/6cf37f233fc34032a0b09140387d7876
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 46-48 (2006)
构造了一种用于二维同步光码分多址（OCDMA）系统的修正素数跳频码（MPC/PC）,分析了码字的自相关和互相关性能,研究了二维同步OCDMA系统的误码率和吞吐量性能。结果表明,与一维同步OCDMA系
Externí odkaz:
https://doaj.org/article/1de2f3caf89f4cae8bb555267b3fdd45
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 10-12 (2003)
提出了OCDMA系统中所使用的多维码的概念并对其性能进行了分析。重点介绍了光素数码、二维光正交码、二维素数码及三维码。
Externí odkaz:
https://doaj.org/article/dbf361768e21484f98e3f9411a5405fc
Autor:
Shu-WenYang, 楊淑雯
107
High Performance Concrete (HPC) has been developed for more than 20 years. It has been studied for many years in the domestic industry, and this research has successfully broken the lower water-to-binder ratio (W/B=0.21). In order to combine
High Performance Concrete (HPC) has been developed for more than 20 years. It has been studied for many years in the domestic industry, and this research has successfully broken the lower water-to-binder ratio (W/B=0.21). In order to combine
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/gcmevd
Autor:
YANG, SHU-WEN, 楊淑雯
107
Ministry of Education has been promoting life education vigorously since 2001, the year that the Ministry set as " the Year of Life Education". The best way of implementing life education in elementary schools should include experiential lea
Ministry of Education has been promoting life education vigorously since 2001, the year that the Ministry set as " the Year of Life Education". The best way of implementing life education in elementary schools should include experiential lea
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/v828n2
Publikováno v:
Tongxin xuebao, Vol (1998)
Externí odkaz:
https://doaj.org/article/2776838960d84aa39e2d82b89193be36