Zobrazeno 1 - 10
of 21
pro vyhledávání: '"方武"'
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 7-10 (2010)
提出并证明了一种基于副载波单边带分插复用的正交频分复用无源光网络(OFDM-PON)系统的新型结构。该结构的下行传输是基于单边带的OFDM-4-正交幅度调制(QAM),传输速率为10 Gbit/s;而上行
Externí odkaz:
https://doaj.org/article/f6a76c1b757d4c3b88850582cf8ca6f8
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 25-27 (2011)
随着带宽需求的不断增长,多维多阶调制格式成为目前研究的热点。文章对8PSK(3阶相移键控)、8QAM(3阶正交调幅)和16QAM(4阶正交调幅)的实现方式从原理和拓扑结构上进行了综合性的比
Externí odkaz:
https://doaj.org/article/f801efcd0971490cb8251964f61cbdec
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 11-13 (2010)
光通信中如何提高传输速率和光谱效率已成为目前研究的热点,采用先进的调制格式是实现上述要求的关键途径,其中正交调制格式就是方法之一。文章介绍了一种研究计算多维多阶正交调制
Externí odkaz:
https://doaj.org/article/eb525127364e4cd188a4e499a2431626
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 1-3 (2010)
随着接入网带宽需求和业务支持需求的快速发展,环形结构的无源光网络(PON)的应用越来越重要,更长距离、支持更多光网络单元、与环形网络无缝融合已经成为PON在城域网中继续发展的3大
Externí odkaz:
https://doaj.org/article/8cd450a2e7174790ae581228ff637bac
Autor:
Wu-Hsiang Fang, 方武祥
97
The human genome is completely determined in 2003. This results in a greater desire to understand the relationship between genes and diseases. As the high technology developed so fast, the cost for identifying the single nucleotide polymorphi
The human genome is completely determined in 2003. This results in a greater desire to understand the relationship between genes and diseases. As the high technology developed so fast, the cost for identifying the single nucleotide polymorphi
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/92576994174684923247
Autor:
Wu-Chang Fang, 方武昌
91
For the worldwide rapidly spreded development of information technology, the information curriculum had been founded in the stage of primary school. The purpose of this study is to investigate the factors that affect learning adjustment on in
For the worldwide rapidly spreded development of information technology, the information curriculum had been founded in the stage of primary school. The purpose of this study is to investigate the factors that affect learning adjustment on in
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/29769728552912816223
Autor:
Wu-Long Fang, 方武龍
87
In this thesis,Boron-doped diamond-like carbon (B-DLC) films have been deposited on glass substrate by using pulse laser deposition (PLD) technique. Different boron-doped condition and annealing temperature have large effect on electron emi
In this thesis,Boron-doped diamond-like carbon (B-DLC) films have been deposited on glass substrate by using pulse laser deposition (PLD) technique. Different boron-doped condition and annealing temperature have large effect on electron emi
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/48711912516982912875
Publikováno v:
Food Research & Development; 2023, Vol. 44 Issue 13, p20-52, 9p
Publikováno v:
South Architecture / Nanfang Jianzhu; 2023, Issue 5, p48-55, 8p