Zobrazeno 1 - 10
of 54
pro vyhledávání: '"李欣颖"'
Publikováno v:
Guangtongxin yanjiu, Vol , Pp 67-70 (2014)
W波段（75110GHz）作为一个新的RF（射频）波段,相比于其他波段有着更宽的带宽和更高的频率,在这个波段能够为移动数据通信提供千兆的无线链路,这已经成为下一代无线通信系统的一个热点
Externí odkaz:
https://doaj.org/article/4a48aa5a740e442586b70ba9b53d83a9
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 1-3 (2010)
文章提出了一种新型的基于正交频移键控（FSK）/幅移键控（ASK）再调制的波分复用-无源光网络（WDM-PON）结构,在下行方向,采用一种新型的基于相位-强度调制转换的FSK调制技术,实现了40 GHz的
Externí odkaz:
https://doaj.org/article/182565370c744ffaaf1405a05cc033be
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
Publikováno v:
Food & Fermentation Industries; 5/25/2024, Vol. 50 Issue 10, p1-9, 9p
Publikováno v:
Electroplating & Finishing; 2024, Vol. 43 Issue 5, p153-162, 10p
Publikováno v:
Chinese Journal of Aesthetic & Plastic Surgery. sep2020, Vol. 31 Issue 9, p556-558. 3p.
Publikováno v:
Journal of Youth Studies (10297847). Jan2018, Vol. 21 Issue 1, p31-39. 9p.
Autor:
Hsin-Ying Lee, 李欣穎
107
Mood disorders, including major depressive disorder (MDD) and bipolar disorder (BPD), are severe and heritable psychiatric disorders. The high frequency of episode recurrence and disease chronicity cause great disease burden to individuals,
Mood disorders, including major depressive disorder (MDD) and bipolar disorder (BPD), are severe and heritable psychiatric disorders. The high frequency of episode recurrence and disease chronicity cause great disease burden to individuals,
Externí odkaz:
http://ndltd.ncl.edu.tw/handle/7mpa54
