Union Internationale des Télécommunications   UIT
English  Español
 
Plan du site Contactez-nous Copie Imprimable
  Page d'accueil : UIT-R : WP3J : Contributions  Ajoutés récemment -  Recherche de documents de réunion
   
UIT-R WP3J  C 

UIT-R WP3J

Principes fondamentaux de la propagation

Resultats:199 documents
Résultats :  Précédent -  1 - 2 - 3 - 4  - Suivant Next
Contributions  Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 124 ]  
 
Information document concerning basic examination of dynamic characteristics in winter precipitation     Japan     2010-11-02
[ 123 ]  
 
Contribution to the working document towards a preliminary draft to new Recommendation ITU-R P.[MATERIAL_EFFECT] - Review of the contents     Japan   211-5/3   2010-11-02
[ 122 ]  
 
Liaison statement to Working Parties 3J, 3M and 3K (copied to Working Party 5B for information) - Propagation methods to be used for coexistence studies between mobile services and other services in the UHF band     WP 5D     2010-11-01
[ 121 ]  
(Rev.1) 
Rainfall rate adjustment factor for modelling and prediction methods of rain attenuation statistics     China (People's Republic of)     2010-10-29
[ 120 ]  
 
A proposal to modify Recommendation ITU-R P.1812 - Diffraction prediction     China (People's Republic of)     2010-10-29
[ 119 ]  
 
Materials to revision of the Handbook the ionosphere and its effects on radiowave propagation - Calculating of a super-long radiowaves field intensity by a hop-method (to the Section 4.4.1 of the Handbook)     Russian Federation     2010-10-28
[ 118 ]  
 
Attenuation of radio waves propagating in woodland     Russian Federation     2010-10-28
[ 117 ]  
 
Materials to construction of the new Report on MF and LF Ground-Wave Propagation - Proposal for a draft of a new Report on MF and LF Ground-Wave Propagation_[Numbers of figures should be corrected after a closing-up] - Propagation of long and medium waves along a terrestrial surface     Russian Federation     2010-10-28
[ 116 ]  
 
Discussion document on atmospheric attenuation     United States of America     2010-10-26
[ 115 ]  
 
Discussion document on saturation water vapour pressure     United States of America     2010-10-26
[ 114 ]  
 
Discussion document on reference atmospheres     United States of America     2010-10-26
[ 113 ]  
 
Cascaded cylinder model in Recommendation ITU-R P.526-11 - Correction and reinstatement of previous text     Australia     2010-10-26
[ 112 ]  
 
Terrain general diffraction model testing - The Delta-Bullington Method - Proposal for effective heights     Australia     2010-10-26
[ 111 ]  
 
Proposed corrections to Recommendation ITU-R P.676-8     Canada     2010-10-25
[ 110 ]  
 
This document has been withdrawn     BR Study Group Department     2010-11-01
[ 109 ]  
 
Proposed revision to Recommendation ITU-R P.526-11 spherical diffraction method: Removal of discontinuity in height-gain function     United Kingdom of Great Britain and Northern Ireland     2010-10-21
[ 108 ]  
 
Contribution to ITU-R Study Group 3     National Telecommunications Corporation(NTC),Sudan     2010-09-06
[ 107 ]  
 
Liaison statement to Working Parties 3J, 3M (copy to Working Party 5C for information) - Propagation basis for the determination of long-term interference     WP 4A     2010-07-26
[ 106 ]  
 
Liaison statement to Working Parties 3J and 3M for action (copy to WP 5C for information) - Comparison of combined attenuation due to fading / enhancement due to scintillation and multipath mechanism and attenuation due to gaseous absorption with attenuation due to gaseous absorption for interference assessment from space-to-Earth emissions for frequency bands above about 17 GHz     WP 4A     2010-04-26
[ 105 ]  
 
Liaison statement to Working Party 3J - Atmospheric absorption in the frequency range 1-350 THz     WP 7D     2009-09-17
[ 104 ]  
+Ann.1-11 
Report on the meeting of Working Party 3J (Geneva, 1-10 June 2009)     Chairman, WP 3J     2009-06-12
[ 103 ]  
 
Final list of Participants (Geneva, 1-10 June 2009)     Director, BR     2009-06-10
[ 102 ]  
 
List of documents issued     BR Study Group Department     2009-05-29
[ 101 ]  
 
Proposed revision to Recommendation ITU-R P.526-10 spherical-Earth diffraction numerical method - Variation of loss with effective Earth radius     Australia     2009-05-19
[ 100 ]  
 
A simple corrected Deygout multiple knife-edge model - Application to general terrain diffraction prediction     Australia     2009-05-19
[ 99 ]  
 
Liaison statement to Working Parties 3J and 3M - Preliminary draft revision of Recommendation ITU-R F.1335 - Technical and operational considerations in the phased transitional approach for bands shared between the mobile-satellite service and the fixed service at 2 GHz     WP 5C     2009-05-28
[ 98 ]  
 
New input data for SG 3 databanks, Part IV "Radiometeorological data", Table 3 "Annual statistics of sky noise temperature"     Italy , European Space Agency (ESA)     2009-05-25
[ 97 ]  
 
Contribution to the propagation data banks - Rain integration time conversion factor derived from measurements in Madrid     Spain     2009-05-25
[ 96 ]  
 
Monthly variability of rainfall rates     Spain     2009-05-25
[ 95 ]  
 
Proposal for new tables for atmospheric water vapour and cloud liquid content in SG 3 databank - Part IV "Radiometeorological data"     Italy , European Space Agency (ESA)     2009-05-25
[ 94 ]  
 
Working document towards a preliminary draft new Recommendation for tropospheric attenuation time series synthesis     France   207-3/3, 206-3/3   2009-05-25
[ 93 ]  
 
Proposed editorial corrections of Recommendations ITU-R P.618-9 and P.1815     France   201-3/3   2009-05-25
[ 92 ]  
 
Statistical distribution of integrated liquid water and water vapor contents retrieved from ECMWF ERA 40 meteorological reanalysis     France   201-3/3   2009-05-25
[ 91 ]  
 
Narrow-band statistics for land mobile satellite services at 2.2 GHz and 3.8 GHz     France     2009-05-25
[ 90 ]  
 
Comparison between water vapour total content and liquid water integrated content predicted by ERA40 maps and measured by radiometer at Spino d'Adda     Austria , Italy , European Space Agency (ESA)     2009-05-25
[ 89 ]  
 
Recommendation ITU-R P.526-10 - Propagation by diffraction - Diffraction measurements     Brazil (Federative Republic of)     2009-05-25
[ 88 ]  
 
Recommendation ITU-R P.526-10 "Propagation by diffraction" - Diagram for "Beta" parameter choice     Brazil (Federative Republic of)     2009-05-25
[ 87 ]  
 
Outage intensity in terrestrial links due to multipath fading     Brazil (Federative Republic of)     2009-05-25
[ 86 ]  
 
Outage intensity in terrestrial links due to rain     Brazil (Federative Republic of)     2009-05-25
[ 85 ]  
 
Test of rain attenuation prediction methods for terrestrial links     Brazil (Federative Republic of) , Greece     2009-05-25
[ 84 ]  
 
Proposed modifications to Recommendation ITU-R P.1407-3     Korea (Republic of)   203/3   2009-05-25
[ 83 ]  
 
Information document concerning atmospheric attenuation in 275-3000GHz range     Japan   235/7, 201/3   2009-05-25
[ 82 ]  
 
Revised document for Annex 12 of working document towards a proposed modification to Recommendation ITU-R P.1407-3     Japan   203/3   2009-05-25
[ 81 ]  
 
Contribution to the working document towards a preliminary draft new Recommendation ITU-R P.[MATERIAL_EFFECT] - Radiowave leakage from a house     Japan   211-4/3   2009-05-25
[ 80 ]  
 
Information document concerning the estimation of annual gaseous attenuation statistics for Earth-space paths at low elevation angles using the Annex 2 simplified method with integrated water vapour content - Recommendations ITU-R P.676 and ITU-R P.836     Canada     2009-05-24
[ 79 ]  
 
Data on rain integration time conversion factor for Ottawa, Canada - Recommendations ITU-R P.311 and ITU-R P.837     Canada     2009-05-24
[ 78 ]  
 
Liaison statement from Joint Task Group 5-6 to Working Parties 3J, 3K and 3M - Sharing studies between aeronautical radionavigation service (ARNS) and mobile service stations in the 790-862 MHz frequency band on WRC-11 Agenda item 1.17 - Radio waves propagation model     JTG 5-6     2009-05-25
[ 77 ]  
 
Proposal for a new Report on MF and LF ground-wave propagation     Spain     2009-05-25
[ 76 ]  
 
Contribution for the new Report on MF and LF ground-wave propagation - Estimation of a representative conductivity value in mixed paths for predicting the transmission loss mean value in the MF band     Spain   225-5/3, 202-3/3   2009-05-24
[ 75 ]  
 
Contribution for the new Report on MF and LF ground-wave propagation - Variability of ground-wave MF signal intensity due to the terrain irregularities in the propagation path     Spain   225-5/3, 202-3/3   2009-05-24
Resultats:199 documents
Résultats :  Précédent -  1 - 2 - 3 - 4  - Suivant Next
 
Téléchargement de multiples documents: Cocher les cases correspondant aux documents sélectionnés, puis appuyer sur "Télécharger"
   
 
Préférences utilisateur: 
Téléchargement de multiples documents: Formats et langues à prendre en compte (si disponibles):
Pages de navigation HTML  
Formats  + Autres formats
Langues (maximum 2)  + Multilingue 
(E: Anglais - F: Français - S: Espagnol - A: Arabe - C: Chinois - R: Russe)

Début de page -  Commentaires -  Contactez-nous -  Droits d'auteur © UIT 2008 Tous droits réservés
Contact pour cette page :  Coordinateur du Web UIT-R
Mis à jour le : 2008-06-06