Academic literature on the topic 'Similitude en fréquence'
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Journal articles on the topic "Similitude en fréquence"
Boithias, Lucien. "Similitude en fréquence pour I’affaiblissement par la pluie." Annales Des Télécommunications 44, no. 3-4 (March 1989): 186–91. http://dx.doi.org/10.1007/bf02997814.
Full textBoithias, Lucien. "Similitude en fréquence pour l’affaiblissement par la pluie." Annales des Télécommunications 44, no. 7-8 (July 1989): 428–33. http://dx.doi.org/10.1007/bf03012333.
Full textBrettell, Caroline B., and Alida C. Metcalf. "Family customs in Portugal and Brazil: transatlantic parallels." Continuity and Change 8, no. 3 (December 1993): 365–88. http://dx.doi.org/10.1017/s0268416000002150.
Full textBognounou, Fidèle, Adjima Thiombiano, Patrice Savadogo, Joseph Issaka Boussim, Per Christer Oden, and Sita Guinko. "Structure et composition spécifique de la végétation ligneuse de quatre sites sur un gradient latitudinal au Burkina Faso occidental." BOIS & FORETS DES TROPIQUES 300, no. 300 (June 1, 2009): 29. http://dx.doi.org/10.19182/bft2009.300.a20412.
Full textChopart, Sophie, and Éric Sauquet. "Usage des jaugeages volants en régionalisation des débits d’étiage." Revue des sciences de l'eau 21, no. 3 (September 10, 2008): 267–81. http://dx.doi.org/10.7202/018775ar.
Full textBOURDON, L., E. SAGUI, N. MONNIER, N. KOULMANN, F. CANINI, C. BROSSET, and J. LUNARDI. "Coup de chaleur d’exercice, hyperthermie maligne per-anesthésique et pathologies musculaires." Médecine et Armées Vol. 40 No. 3, Volume 40, Numéro 3 (June 1, 2012): 217–24. http://dx.doi.org/10.17184/eac.6609.
Full textMulo Farenkia, Bernard. "Actes de langage et variation en français périphériques : Le français québécois et le français camerounais en contraste." ALTERNATIVE FRANCOPHONE 1, no. 5 (April 9, 2012): 1–25. http://dx.doi.org/10.29173/af12248.
Full textGaléa, G., and S. Canali. "Régionalisation des modules annuels et des régimes d'étiage du bassin hydrographique de la Moselle française : lien entre modèles régionaux." Revue des sciences de l'eau 18, no. 3 (April 12, 2005): 331–52. http://dx.doi.org/10.7202/705562ar.
Full textReveyrand-Coulon, Odile, and Paraskevi Tsipropoulou. "Prénommer, une analogie à l’œuvre." Bulletin de psychologie 57, no. 473 (2004): 507–15. http://dx.doi.org/10.3406/bupsy.2004.15378.
Full textLelièvre, Éva. "Formation des couples et fécondité hors mariage en Grande-Bretagne. Divergences et similitudes avec la situation française." Population Vol. 49, no. 1 (January 1, 1994): 61–89. http://dx.doi.org/10.3917/popu.p1994.49n1.0089.
Full textDissertations / Theses on the topic "Similitude en fréquence"
Brisseau, Olivier. "Développement de modèles de similitude en fréquence pour les liaisons terre-espace en EHF." Rennes 1, 2005. http://www.theses.fr/2005REN1S177.
Full textSuquet, Etienne. "Caractérisation multi-fréquence du canal de propagation et modélisation de la similitude en fréquence instantanée pour optimiser des liens satellitaires en bandes Ka et Q/V." Electronic Thesis or Diss., Université de Toulouse (2023-....), 2024. http://www.theses.fr/2024TLSES019.
Full textThe characterization of the propagation channel is a major issue in order to optimize satellite communication systems. At Ka-band, or at higher frequency bands, signal attenuation is almost exclusively caused by the troposphere, and particularly rain, whose attenuation can reach levels preventing any communication. Frequency scaling is a technique aiming to determine the tropospheric attenuation at a target frequency, from measurements made at another frequency using a beacon receiver. This technique is useful to obtain precise attenuation statistics at a target frequency, or to determine in real time the attenuation on a satellite uplink, from a measurement of the attenuation on the downlink, in order to optimise fade mitigation techniques. This thesis activity consisted in studying, on the one hand, the sources of error affecting attenuation measurements, collected using beacon receivers, in order to quantify them, or even, if possible, to correct them. On the other hand, several promising frequency scaling models of the literature are reviewed, and improvements are considered. In particular, it is shown that frequency scaling models based on micro-physical modelling are of interest for tropical climates