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Статті в журналах з теми "Transmission optique longue distance"
Cassan, Eric, and Stéphanie Cassan. "Construction pas à pas d'une liaison par fibre optique longue distance." J3eA 5 (2006): 011. http://dx.doi.org/10.1051/j3ea:2006041.
Повний текст джерелаHuijing, P., G. C. Baan, and G. T. Rebel. "Non-myotendinous force transmission in rat extensor digitorum longus muscle." Journal of Experimental Biology 201, no. 5 (March 1, 1998): 683–91. http://dx.doi.org/10.1242/jeb.201.5.683.
Повний текст джерелаДисертації з теми "Transmission optique longue distance"
Amari, Abdelkerim. "Compensation des effets nonlinéaires pour les transmissions WDM longue distance à 400Gbps et au-delà." Thesis, Paris, ENST, 2016. http://www.theses.fr/2016ENST0031/document.
Повний текст джерелаOptical communication systems have evolved since their deployment to meet the growing demand for high-speed communications. Over the past decades, the global demand for communication capacity has increased exponentially and the most of the growth has occurred in the last few years when data started dominating network traffic. In order to meet the increase of traffic demands fueled by the growth of internet services, an increase of access network capacity and consequently metro and long-haul network capacities is required. Next generation of long-haul WDM transmission systems is expected to operate at 400Gbps or 1Tbps bit rate. Superchannel approaches, such as Nyquist WDM and multi-band OFDM, allow both high spectral efficiency and small guardband which makes them promising candidates to generate these high bit rates in combination with multi-level modulations formats. Such transmission systems are strongly disturbed by fiber nonlinear effects which increase with the data rate and the small guard band. Therefore, fiber nonlinearities compensation is required to get the desired performance in terms of transmission reach. DSP based approaches such as digital back propagation and third-order Volterra based nonlinear equalizer have been already proposed to deal with intra-channel or intra-band nonlinear effects. In the context of superchannel systems, we have proposed two new compensation techniques to deal with fiber nonlinear effects. The first one, called fifth-order inverse Volterra based nonlinear equalizer, compensate for intra-band nonlinear effects. The second approach, which is the interband/ subcarrier nonlinear interference canceler, is proposed to combat the nonlinear interference insuperchannel systems
Dany, Bruno. "Régénération optique et gestion de dispersion pour transmissions longue distance par fibre optique utilisant le multiplexage en longueur d'onde à 40 Gbit/s." Nice, 2002. http://www.theses.fr/2002NICE5706.
Повний текст джерелаPoirrier, Julien. "Apport des nouvelles fonctionnalités de traitement adaptatif du signal dans les futurs systèmes et réseaux de transmission optique à longue distance : impact sur les règles d'ingénierie." Rennes 1, 2007. http://www.theses.fr/2007REN1S037.
Повний текст джерелаThe increasing data rate of fiber optic systems has reached the infrastructure limit. Distortions rather than noise limit now the transmission. Signal processing techniques, either optical or electronic are well suited to fix these issues. In order to assess the benefit brought by such solutions, we begin by describing them and then by quantifying their performance against each of the limiting effects and against their combination. This leads to a comprehensive comparison, ready to use for the determination of the best fitting solution given a fiber optic link. Moreover, we proposed evaluation methodologies suited for such assessment and conception methodology able to take advantages of statistics
Song, Mengdi. "Transmission WDM à 400 Gbps et au-delà au moyen de modulations multi-bandes OFDM & Nyquist-WDM." Electronic Thesis or Diss., Paris, ENST, 2016. http://www.theses.fr/2016ENST0059.
Повний текст джерелаIn the context of ever increasing traffic demand, future long-haul optical transmission systems will evaluate towards higher capacity and will be able to support more flexible optical networking. In this thesis, we study the potential of multi-band OFDM, which is a credible alternative of the industrial single-carrier solutions for future generations of beyond 100 Gbps systems. After presenting a brief overview of long-haul transmission systems and OFDM digital signal processing techniques, we show the experimental implementation of 16QAM-OFDM as well as its transmission performance. Some implementation constraints of 16QAM-OFDM related to hardware impairments have been investigated. The transmission performance has been compared with that of Nyquist-WDM format. After that, in the context of superchannel and flexible optical networking, we have carried out an experimental proof-of-concept of sub-wavelength optical switching. We have demonstrated the feasibility of such optical add-drop operations inside OFDM and Nyquist-WDM superchannels. At last, we have addressed some short-term research topics that concern telecom companies, such as the potential application scenarios of the low-cost and power-efficient coherent CFP interface based on Silicon photonics integration technology
Moubissi, Alain-Brice. "Application de la méthode des coordonnées collectives à la conception et l'optimisation des lignes de transmission à gestion de la dispersion, haut débit et longue distance, sur fibres optiques." Dijon, 2002. http://www.theses.fr/2002DIJOS019.
Повний текст джерелаSemenkoff, Mathilde. "Contribution à l'étude des amplificateurs optiques à fibre pour les systèmes de transmission multi-longueurs d'onde." Saint-Etienne, 1995. http://www.theses.fr/1995STET4003.
Повний текст джерелаALLOUCHE, VIRGINIE. "Etude de l'amplificateur optique a fibre dopee erbium et de transmissions longues distances a fibre et amplificateurs optiques." Paris 6, 1994. http://www.theses.fr/1994PA066296.
Повний текст джерелаOrignac, Xavier. "Fabrication et caractérisation de guides d'ondes sol-gel dopés terres-rares pour la réalisation d'amplificateurs optiques intégrés." Grenoble INPG, 1997. http://www.theses.fr/1997INPG0014.
Повний текст джерелаMartin, Anthony. "Puces photoniques pour la communication quantique longue distance." Phd thesis, Université de Nice Sophia-Antipolis, 2011. http://tel.archives-ouvertes.fr/tel-00683569.
Повний текст джерелаPRIGENT, LAURENCE. "Effets non lienaires kerr dans les transmissions longues distances a fibre et amplificateurs optiques." Paris 6, 1993. http://www.theses.fr/1993PA066624.
Повний текст джерелаТези доповідей конференцій з теми "Transmission optique longue distance"
Litman, R. B., H. A. Scarton, K. R. Wilt, and G. J. Saulnier. "‘Acoustic Fiber’ Aluminum-Clad Copper Cable for Communication and Power Transmission." In ASME 2015 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/imece2015-52819.
Повний текст джерелаZhang, Guodong, Xuejun Bai, Douglas Stalheim, Shaopo Li, and Wenhua Ding. "Development and Production of Heavy Gauge X80 and High Strength X90 Pipeline Steels Utilizing TMCP/Optimized Cooling Process." In 2014 10th International Pipeline Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/ipc2014-33265.
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