Results 71 to 80 of about 5,452 (212)
Guangtongxin yanjiu, 2004 文章分析了密集波分复用（DWDM）光纤通信系统中偏振模色散（PMD）的特点,并讨论了单信道PMD补偿法在DWDM多信道系统PMD补偿中所遇到的困难,提出了基于最坏通道补偿法来补偿DWDM多信道系统中PMD以及多信道PMD监测法,并讨论了这种方案的可行性.
陈林, 杨伯君, 张茹, 张晓光
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Experimental Comparison of Optical Phase Conjugation and DCF Aided
, 2005 The performance of DWDM 2x10.7Gbit/s-DQPSK is assessed comparing mid-link optical phase conjugation (OPC) and DCF for dispersion compensation. We report a 44%-increase in transmission distance resulting from nonlinear phase noise reduction by using mid ...
Dwdm Gbit Dqpsk
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Implementation and Simulation of DWDM Technology [PDF]
, 2023 La demande croissante de communication dans une bande passante limitée a conduit à l'application de la DWDM (Dense Wavelength Division Multiplexing) dans différentes topologies ou réseaux point à point.
Khalil, BOUDIAF, Abdelbaki, AYACHE
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Guangtongxin yanjiu, 1999 本文阐述了ＤＷＤＭ 系统对ＥＤＦＡ 的要求和ＥＤＦＡ 为达到这些要求的几种实现方法。并给出了ＤＷＤＭ 用ＥＤＦＡ 级联和增益锁定的实验结果。
龙浩, 黄宣泽, 张学勇, 印新达
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, 2018 В данной статье представлена технология системы DWDM и принцип её функционирования.
Danil S. Koikov; FGBOU VO \\"Omskii gosudarstvennyi tekhnicheskii universitet\\" +1 more
openaire +1 more source
Spectral compression of a DWDM grid using optical time-lenses [PDF]
, 2013 We experimentally demonstrate the compression of a dense wavelength-division multiplexing (DWDM) grid via a spectral imaging system based on two time-lenses.
Jeppesen, P. +20 more
core +1 more source
Optimization of a Standard Bidirectional DWDM Solution
In this paper a standard bidirectional DWDM solution is taken for further research. Basing on ITU standards and available resources we have taken a real-working bidirectional 72.8 km reach DWDM system with 40 Gbit/s total capacity for further research ...
Bobrovs, Vjačeslavs +2 more
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Guangtongxin yanjiu, 2015 综述了高速DWDM（密集波分复用）系统中的关键技术,包括QPSK（四相相移键控）、8QAM（8进制正交幅度调制）和16QAM（16进制正交幅度调制）等新型调制格式、超低损耗光纤/拉曼放大和新型光集成器件,并分析、比较了这些关键技术对DWDM系统传输产生的不同影响。在此基础上,介绍了近年来DWDM大容量传输的一些成功试验。试验表明,这些关键技术有着广阔的应用前景。
章喆, 陈征, 马卫东
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INVESTIGATION ON HYBRID WDM (DWDM+CWDM) FREE SPACE OPTICAL COMMUNICATION SYSTEM [PDF]
ICTACT Journal on Communication Technology, 2015 Free Space Optical (FSO) communication is being realized as an effective solution for future accessing networks, offering light passed through air. The performance of FSO can be primarily degraded by various atmospheric attenuation namely, rain, fog ...
S. Robinson, S. Jasmine, R. Pavithra
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مجلة جامعة دمشق للعلوم الهندسيةقدم هذا البحث تصميم وتنفيذ لنظامي اتصالات تعدد الإرسال بتقسيم الطول الموجي الكثيف، التقليدي DWDM، والمعتمد على تقنية التعديل المطالي التربيعي ثنائي الاستقطاب من الدرجة 16 DP-16QAM DWDM، وتمت المقارنة بينهما، حيث أن تقنية التعديل DP-16QAM تقدم فعالية ...
حسن محسن الراعي +1 more
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