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Principes Fondamentaux de la Propagation

Resultats:303 documents
Résultats :  Précédent -  1 - 2 - 3 - 4 - 5 - 6 - 7  - Suivant Next
Contributions  Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 153 ]  
 
Note to the Chairmen of Working Parties 5C, 7C and 7D - Adjacent band compatibility between fixed service and EESS (passive) systems operating in bands above 92 GHz and up to 174.8 GHz     Chairmen, WPs 3J, 3K & 3M     2021-12-21
[ 152 ]  
 
GASS 2021: Recent URSI Resolutions and Recommendation     Director, BR     2021-12-16
[ 151 ]  
 
Liaison statement to Working Party 3K - Building entry loss in Band I (47-68 MHz)     WP 6A     2021-10-27
[ 150 ]  
 
Note to the Chairman of Working Party 4A - Propagation models related to studies under WRC-23 agenda items 1.16 and 1.17     Chairmen, WPs 3J, 3K & 3M   AI1.17, AI1.16   2021-10-26
[ 149 ]  
 
Liaison statement to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C, and 7D - WRC-23 agenda item 1.4     WP 5D   AI1.4   2021-10-19
[ 148 ]  
 
Liaison statement to Working Parties 5C, 3J, 3K, and 3M - Adjacent band compatibility between fixed service and EESS (passive) systems operating in bands above 92 GHz and up to 174.8 GHz     WP 7C     2021-09-29
[ 147 ]  
 
Reply liaison statement to Working Party 3J - Earth surface bistatic scattering coefficient prediction     WP 7C     2021-09-28
[ 146 ]  
 
Liaison statement to Working Parties 3J, 3K, and 3M - Propagation models related to studies under WRC-23 agenda items 1.16 and 1.17     WP 4A   AI1.17, AI1.16   2021-08-03
[ 145 ]  
+Ann.1-23 
Report on the meeting of Working Party 3J (e-Meeting, 23 June - 1 July 2021)     Chairman, WP 3J     2021-07-05
[ 144 ]  
 
Final list of participants - Working Party 3J (e-Meeting, 21 June - 1 July 2021)     Director, BR     2021-07-02
[ 143 ]  
 
List of documents issued (Documents 3J/98 - 3J/143)     BR, Study Groups Department     2021-06-22
[ 142 ]  
 
Liaison statement to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C and 7D - WRC-23 agenda item 1.4     WP 5D   AI1.4   2021-06-18
[ 141 ]  
 
Report on activities during August 2020 to April 2021     Chairman, CG 3J-11     2021-06-15
[ 140 ]  
 
Working document towards a preliminary draft revision to Annex 3 of Recommendation ITU-R P.835-6     CG 3J-11     2021-06-15
[ 139 ]  
 
Proposed editorial amendment of Recommendation ITU-R P.676-12 - Attenuation by atmospheric gases and related effects - Annex 2: Approximate estimation of gaseous attenuation in the frequency range 1-350 GHz     Canada     2021-06-14
[ 138 ]  
 
Report of the activities of Correspondence Group 3J-3M-19 - Statistical modelling of slant path terrain diffraction     Chairman, CG 3J-3M-19     2021-06-15
[ 137 ]  
 
Supplement on attenuation and reflection characteristics of clothing materials - Technology trends of active services in the frequency range 275-3 000 GH     National Institute of Information and Communications Technology (NICT)     2021-06-14
[ 136 ]  
 
Variability of rain specific attenuation evaluated from experimental drop size distributions     Spain     2021-06-14
[ 135 ]  
 
Draft reply liaison statement to Working Party 5D - WRC-23 agenda item 1.4     Japan   AI1.4   2021-06-14
[ 134 ]  
 
Discussion document - Site specific model of building entry loss - Prediction of building entry loss     Japan     2021-06-14
[ 133 ]  
 
Supports document for Annex 18 to Document 3M/180 - Proposed draft revision of Recommendation ITU-R P.2108-0 - Prediction of clutter loss     Japan     2021-06-14
[ 132 ]  
 
[WORKING DOCUMENT TOWARDS A] preliminary draft revision of Recommendation ITU-R P.1409-1 - Propagation data and prediction methods for systems using high altitude platform stations and other elevated stations in the stratosphere at frequencies greater than about 1 GHz     Japan     2021-06-14
[ 131 ]  
 
Submission of ERA5 derived global database of 10 metre wind speed     Italy     2021-06-10
[ 130 ]  
 
[DRAFT] reply liaison to Working Party 7C - Earth surface bistatic scattering coefficient prediction     Institute of Electrical and Electronics Engineers, Inc.     2021-06-14
[ 129 ]  
 
Proposal to amend Recommendation ITU-R P.2040-1     Spain     2021-06-11
[ 128 ]  
 
Proposed revision of Recommendation IT-R P.2040-1 - Additional data of the electrical properties of the building materials     Korea (Republic of)     2021-06-11
[ 127 ]  
 
Discussion document - On the clutter loss measurement using a UAV at 4.8 GHz     Korea (Republic of)     2021-06-11
[ 126 ]  
 
Measurements for the shadowing loss of class-room building at 3 and 7 GHz     Korea (Republic of)     2021-06-11
[ 125 ]  
 
Proposed revision to Recommendation ITU-R P.2040-1 - New measurement data of building material in the frequency range from 220 to 450 GHz     Korea (Republic of)     2021-06-11
[ 124 ]  
 
Proposed revision of Report ITU-R P.2346-3 - Building entry loss measurements for heavy industry factory at 3-24 GHz     Korea (Republic of)     2021-06-11
[ 123 ]  
 
Proposals on [working document towards a] preliminary draft revision of Recommendation ITU-R P.1409-1 - Propagation data and prediction methods for systems using high altitude platform stations and other elevated stations in the stratosphere at frequencies greater than about 1 GHz     Russian Federation     2021-06-10
[ 122 ]  
 
Working document towards a preliminary draft revision to Recommendation ITU-R P.840-8     France     2021-06-09
[ 121 ]  
 
Draft revision to Recommendation ITU-R P.1407-7 - Multipath propagation and parameterisation of its characteristics Estimation of Rice factor for fading models     United Kingdom of Great Britain and Northern Ireland     2021-06-09
[ 120 ]  
 
Submission of rain statistics for DBSG-3     United Kingdom of Great Britain and Northern Ireland     2021-06-09
[ 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
[ 116 ]  
 
Reply liaison statement to Working Parties 3J, 3K and 3M - Working document towards a preliminary draft revision of Report ITU-R SM.2352-0     WP 1A     2021-06-11
[ 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
[ 109 ]  
 
Proposed editorial amendment of Recommendation ITU-R P.676-12 - Attenuation by atmospheric gases and related effects - Downwelling and upwelling microwave brightness temperature     United States of America     2021-06-07
[ 108 ]  
 
Discussion document regarding Recommendation ITU-R P.2109 - Analysis of Building Entry Loss Model from ITU-R P.2109-1     United States of America     2021-06-07
[ 107 ]  
 
Working document towards a preliminary draft revision to ITU-R P.1057-6 - Statistics of normally distributes random variables     United States of America     2021-06-07
[ 106 ]  
 
Report on activities of the Correspondence Group - Building entry loss     Chairman, CG 3J-3K-3M-8     2021-06-09
[ 105 ]  
 
Report on the activities of Correspondence Group 3J-3K-3M-14 - Issues relating to the HAPS propagation model     Chairman, CG 3J-3K-3M-14     2021-06-08
[ 104 ]  
 
Draft editorial amendment of Recommendation ITU-R P.836-6 - Water vapour: surface density and total columnar content     Luxembourg     2021-06-02
Resultats:303 documents
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Mis à jour le : 2023-10-19