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Fundamentos de la propagación de ondas radioeléctricas en medios no ionizados

Resultados :236 documentos
Resultados :  Anterior -  1 - 2 - 3 - 4 - 5  - Siguiente Next
Contribuciones  Documents / Contributions
 
Número 
Título Origen AI/Cuestión
Fecha
[ 86 ]  
 
Proposed supplement of Recommendation ITU-R P.834-9 - Minimum trapping frequency of evaporation duct     China     2025-01-23
[ 85 ]  
 
Proposed modifications to Recommendation ITU-R P.310-10 - Definition of evaporation duct     China     2025-01-23
[ 84 ]  
 
Discussion about Figure 13 in Recommendation ITU-R P.527-6     China     2025-01-23
[ 83 ]  
 
Proposed modification to Recommendation ITU-R P.525-5 - Calculation of free-space attenuation     China     2025-01-23
[ 82 ]  
 
Preliminary draft new Question ITU-R [LUNAR_PROPAGATION]/3 - Propagation characteristics and prediction methods required for lunar radiocommunications on the lunar environment     CG 3J-26     2025-01-24
[ 81 ]  
 
Report of the activities of the Correspondence Group on Modelling lunar radio-wave propagation - June 2024 to February 2025 - Modelling lunar radio-wave propagation     Chair, CG 3J-26     2025-01-24
[ 80 ]  
 
Liaison statement to key SDOs on the publication of GR THz 003 and GR THz 004     ETSI ISG THz     2025-01-23
[ 79 ]  
 
Liaison statement to Working Party 5C (copy to Working Parties 3J, 3M, 4A, 4B, 4C, 5A, 5B, 7C and 7D) - WRC-27 agenda item 1.10     WP 6A   AI1.10   2024-11-19
[ 78 ]  
 
Reply liaison statement to Working Parties 3J, 3K and 3M (copy to Working Parties 5A, 5B, 5C, 5D, 7C and 7D for information) - Information to support studies under WRC-27 agenda item 1.1     WP 4A   AI1.1   2024-11-07
[ 77 ]  
 
Liaison statement to Working Party 5B (copy to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5C and 7D for information) - Additional information on passive sensors in the EESS for WRC-27 agenda item 1.8     WP 7C   AI1.8   2024-10-01
[ 76 ]  
 
Reply liaison statement to ITU-R Working Party 3J (copied for information to Working Parties 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D) - Response to Working Party 3J questions related to WRC-27 agenda item 1.15     WP 7B   AI1.15   2024-09-30
[ 75 ]  
 
Liaison statement to Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7A, 7C and 7D - Report on progress of activities relating to WRC-27 agenda item 1.15     WP 7B   AI1.15   2024-09-30
[ 74 ]  
 
Reply liaison statement to Working Party 5B (copy to Working Parties 3J, 3K, 3M, 4A, 4C, 5A, 5C and 7C for information) - Relevant technical information to support studies in preparation of WRC-27 agenda item 1.8     WP 7D   AI1.8   2024-09-27
[ 73 ]  
 
Reply liaison statement to Working Parties 3J, 3K and 3M - Relevant technical information to support studies in preparation of WRC-27 agenda items     WP 7D   AI1.8, AI1.7, AI1.3, AI1.18, AI1.17, AI1.16, AI1.15, AI1.11, AI1.10, AI1.1   2024-09-27
[ 72 ]  
 
Determination and mitigation of electromagnetic compatibility issues for IMT (5G) network under tropospheric duct effect     ATDI     2024-09-21
[ 71 ]  
 
Reply liaison statement to Working Party 7B (copy to Working Parties 3J, 4A, 4C, 5A, 5B, 5C, 5D, 7C and 7D for information) - Information on the standard frequency and time signal service with regards to WRC-27 agenda item 1.15 on lunar communications     WP 7A   AI1.15   2024-09-23
[ 70 ]  
 
Information on the preparation of texts for the draft CPM Report to WRC-27     Chair, CPM-27     2024-07-09
[ 69 ]  
 
Reply liaison statement to ITU-T Study Group 5 (copy to ITU-R Working Parties 1C, 3J, 3K and 3M) - Considerations on draft Recommendation ITU-T K.DMEI of ITU-T Study Group 5     WP 5D     2024-07-05
[ 68 ]  
 
Liaison statement on draft Recommendation ITU-T K.DMEI -Determination and mitigation of electromagnetic compatibility issues for 5G TDD network under tropospheric duct effect     ITU-T SG5     2024-06-18
[ 67 ]  
+Ann.1-40 
Report on the meeting of Working Party 3J (Denver, Colorado, USA, 29 May - 7 June 2024)     Chair, WP 3J     2024-06-08
[ 66 ]  
 
Final list of participants WP 3J (Denver, Colorado, USA, 29 May - 7 June 2024)     Director, BR     2024-06-08
[ 65 ]  
 
List of documents issued (Documents 3J/1 - 3J/65)     BR, Study Groups Department     2024-06-01
[ 64 ]  
 
Reply liaison statement to Working Party 7B (copy to Working Parties 1B, 3J, 4A, 4C, 5A, 5B, 5D, 7A, 7C and 7D for information) - Fixed service characteristics for use in sharing studies under WRC-27 agenda item 1.15     WP 5C   AI1.15   2024-05-29
[ 63 ]  
 
Reply liaison statement to Working Party 7C (copy to Working Parties 3J, 3M, 4A, 4C, 5A and 5B for information) - Relevant technical information to support studies under WRC-27 agenda item 1.18 and update on supporting materials     WP 5C   AI1.18   2024-05-29
[ 62 ]  
 
Liaison statement to Working parties 4A, 4C, 5A, 5B, 3J and 3M (copy to Working Parties 1A, 4B, 6A, 7C and 7D for information) - Studies under WRC-27 agenda item 1.10     WP 5C   AI1.10   2024-05-29
[ 61 ]  
 
Contribution to DBSG3 Table IV-1: Rain rate statistics in Cochabamba     Spain , France     2024-05-17
[ 60 ]  
 
Comparison between ERA5 cloud parameters and simultaneous experimental rainfall rate in Madrid     Spain     2024-05-17
[ 59 ]  
 
Rain attenuation at millimetre waves and its variability caused by the shape of the drop size distribution     Spain     2024-05-17
[ 58 ]  
 
Proposed revision to Report ITU-R P.2346-5 - Outdoor-to-indoor propagation loss model on a NLoS path based on building entry loss (BEL) and clutter loss (CL) model     Korea (Rep. of)     2024-05-17
[ 57 ]  
 
Proposed revision to Report ITU-R P.2346-5 - Characteristics of window penetration loss (WinPL) and its impact on BEL     Korea (Rep. of)     2024-05-17
[ 56 ]  
 
Working document toward a preliminary draft new Question ITU-R [LUNAR_COMMNUNICATION]/3 - Relevant propagation characteristics and prediction method for lunar surface systems and lunar-orbiting systems     Korea (Rep. of)   AI1.15   2024-05-17
[ 55 ]  
 
Proposed reply liaison statement to Working Party 7D     South Africa   AI1.18, AI1.16   2024-05-17
[ 54 ]  
 
Liaison statement to Working Parties 3J, 3K and 3M - Propagation information to support studies in preparation for WRC-27 agenda item 1.8     WP 5B   AI1.8   2024-05-20
[ 53 ]  
 
Contribution to Recommendation ITU-R P.310 - Discussion regarding definition of human blockage     United Kingdom     2024-05-17
[ 52 ]  
 
Excel implementations of P-Series Recommendations - Recommendations ITU-R P.837-6, ITU-R P.838-3 and ITU-R P.839-4     United Kingdom     2024-05-17
[ 51 ]  
 
Application of Machine Learning/Artificial Intelligence for modelling of RadioWave propagation - Ofcom's preliminary investigation on path-specific prediction methods     United Kingdom     2024-05-17
[ 50 ]  
 
Towards a set of Machine learning methods for Radiowave propagation modelling     Canada     2024-05-17
[ 49 ]  
 
Proposed revision to Recommendation ITU-R P.1812-7 - Clutter classification model     Canada     2024-05-17
[ 48 ]  
 
Software implementation of Recommendation ITU-R P.2146 on sea surface bistatic scattering     Institute of Electrical and Electronics Engineers, Inc. (IEEE)     2024-05-16
[ 47 ]  
 
Discussion document on the machine learning model in the field of radio wave propagation     China     2024-05-16
[ 46 ]  
 
Discussion document on slant path diffraction model extention of Recommendation ITU-R P.526     China     2024-05-16
[ 45 ]  
 
Discussion document for Recommendation ITU-R P.530-18 - Atmospheric scintillation at 340 GHz     China     2024-05-16
[ 44 ]  
 
Discussion document about Recommendation ITU-R P.453-14     China     2024-05-16
[ 43 ]  
 
Supplement to Annex 24 to the Working Party 3J Chair's Report     China     2024-05-16
[ 42 ]  
 
Supporting document about the tropospheric delay mapping function     China     2024-05-16
[ 41 ]  
 
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     2024-05-16
[ 40 ]  
 
Proposed modification to Recommendation ITU-R P.838-3 - Specific attenuation model for rain for use in prediction methods     China     2024-05-16
[ 39 ]  
 
Proposed revision to Recommendation ITU-R P.1409-3 - Propagation data and prediction methods for systems using high altitude platform stations and other elevated stations in the stratosphere at frequencies greater than about 0.7 GHz     Japan     2024-05-16
[ 38 ]  
 
Support document for Annex 10 to Document 3K/335 - Prediction of building entry loss     Japan     2024-05-16
[ 37 ]  
 
Correspondence Group 3J-17 activity Report     Co-Chairs, CG 3J-17     2024-05-16
Resultados :236 documentos
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