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:26 documents
Contributions  [ Source: China (People ]   Documents / Contributions
 
Numéro 
Titre Source Date
[ 297 ]  
 
Proposed draft modification to Recommendation ITU-R P.1621-2 - Propagation data required for the design of Earth-space systems operating between 20 THz and 375 THz     China (People's Republic of)   2023-05-15
[ 291 ]  
 
Proposed draft modification to Recommendation ITU-R P.835-6 - Reference standard atmospheres     China (People's Republic of)   2023-05-15
[ 290 ]  
 
Proposed new modification to Recommendation ITU-R P.834-9 - The refraction correction of elevation angle for the mean annual global reference atmosphere     China (People's Republic of)   2023-05-15
[ 289 ]  
 
Proposed modification to Recommendation ITU-R P.676-13 - Attenuation by atmospheric gases and related effects     China (People's Republic of)   2023-05-15
[ 288 ]  
 
Proposed modification to Recommendation ITU-R P.453-14 - Dispersion effect of atmospheric refractive index     China (People's Republic of)   2023-05-15
[ 287 ]  
 
Discussion document on diffraction/ducting loss due to terrain and/or specific obstruction of Recommendation ITU-R P.619 for the smooth earth assumption     China (People's Republic of)   2023-05-15
[ 220 ]  
 
Diffraction/ducting loss due to terrain and/or specific obstruction of Recommendation ITU-R P.619     China (People's Republic of)   2022-05-23
[ 217 ]  
 
Supporting document for rain height model in Recommendation ITU-R P.839-4 - A Weighted Mean Annual Rain Height model     China (People's Republic of)   2022-05-23
[ 216 ]  
 
Proposed new modification to Recommendation ITU-R P.841-6 and Recommendation ITU-R P.581-2 - Conversion of annual statistics to worst-month statistics for two statistical methods     China (People's Republic of)   2022-05-23
[ 215 ]  
 
Proposed modifications to Recommendation ITU-R P.310-10 and Recommendation ITU-R P.525-4 - Discussion about definitions of several terms relating to propagation in non-ionized media     China (People's Republic of)   2022-05-23
[ 214 ]  
 
Proposed modification to Recommendation ITU-R P.834-9 - Minimum trapping frequency of evaporation duct     China (People's Republic of)   2022-05-23
[ 213 ]  
 
Proposed modification to Recommendation ITU-R P.453-14 - Global digital map of evaporation duct     China (People's Republic of)   2022-05-23
[ 212 ]  
 
Propose modifications to Recommendation ITU-R P.310-10, Recommendation ITU-R P.680-3 and Recommendation ITU-R P.682-3 - Discussion about definition of fade depth     China (People's Republic of)   2022-05-23
[ 211 ]  
 
Proposed editorial amendment of Recommendations ITU-R P.617-5 and ITU-R P.1812-6     China (People's Republic of)   2022-05-23
[ 210 ]  
 
Proposed draft modification to Recommendation ITU-R P.835-6 - Reference standard atmospheres     China (People's Republic of)   2022-05-23
[ 209 ]  
 
A new Mie scattering attenuation predicting method and proposed modification to Recommendation ITU-R P.1622     China (People's Republic of)   2022-05-23
[ 119 ]  
 
Discussion document - Calibration of terrain loss measurement between non-GSO satellite and earth station     China (People's Republic of)   2021-06-09
[ 118 ]  
 
Proposed modification to Recommendation ITU-R P.453-14 - Global digital maps of surface and elevated ducts     China (People's Republic of)   2021-06-09
[ 117 ]  
 
Analysis of rain attenuation models and proposed modifications to Recommendation ITU-R P.618-13     China (People's Republic of)   2021-06-09
[ 115 ]  
 
Proposed modification to Recommendation ITU-R P.676-12 - Attenuation by atmospheric gases     China (People's Republic of)   2021-06-09
[ 114 ]  
 
Proposed editorial amendment of Recommendation ITU-R P.453-14 - Statistical distribution of refractivity gradients     China (People's Republic of)   2021-06-09
[ 113 ]  
 
Proposed modification to Recommendation ITU-R P.1622-0 - Prediction methods required for the design of earth-space systems operating between 20 THz and 375 THz     China (People's Republic of)   2021-06-09
[ 112 ]  
 
Proposed draft modification to Recommendation ITU-R P.834-9 - Excess radio path length and its variations     China (People's Republic of)   2021-06-09
[ 111 ]  
 
Proposed modification to Recommendation ITU-R P.841-6 and ITU-R P.581-2 - Conversion of annual statistics to worst-month statistics for two statistical methods     China (People's Republic of)   2021-06-09
[ 110 ]  
 
Proposed modification to Recommendation ITU-R P.834-9 - The refraction correction of elevation angle for the mean annual global reference atmosphere     China (People's Republic of)   2021-06-09
[ 93 ]  
 
Terrain loss measurement between non-GSO satellites and Earth stations and model proposals     China (People's Republic of)   2021-04-16
Resultats:26 documents
 
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 : 2025-7-29