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Propagaci�n de las Ondas Radioel�ctricas

Resultados :135 documentos
Resultados :� Anterior�-� 1 - 2 - 3 �-�Siguiente Next
Contribuciones��Documents / Contributions

N�mero
T�tulo Origen AI/Cuesti�n
Fecha
[ 85 ]
Draft revision of Recommendation ITU-R P.1622 - Prediction methods required for the design of Earth-space systems operating between 20 THz and 375 THz � WP 3M 2022-06-10
[ 84 ]
Draft revision of Recommendation ITU-R P.682-3 - Propagation data required for the design of Earth-space aeronautical mobile telecommunication systems � WP 3M 2022-06-10
[ 83 ]
(Rev.1)
Draft revision of Recommendation ITU-R P.680-3 - Propagation data required for the design of Earth-space maritime mobile telecommunication systems � WP 3M 2022-06-10
[ 82 ]
Draft editorial amendment to Recommendation ITU-R P.617-5 - Propagation data and prediction methods required for the design of trans-horizon radio-relay systems � WP 3M 2022-06-10
[ 81 ]
(Rev.1)
Draft editorial amendment to Recommendation ITU-R P.530-18 - Propagation data and prediction methods required for the design of terrestrial line-of-sight systems � WP 3M 2022-06-10
[ 80 ]
Draft editorial amendment of Recommendation ITU-R P.453-14 � WP 3J 2022-06-10
[ 79 ]
(Rev.1)
Draft new Recommendation ITU-R P.[SEA_SURFACE_BISTATIC_SCATTERING] - Sea surface bistatic scattering � WP 3J 2022-06-10
[ 78 ]
Draft new Recommendation ITU-R P.[P.676 Maps] - Digital maps related to the calculation of gaseous attenuation and related effects � WP 3J 2022-06-10
[ 77 ]
(Rev.1)
Draft revision to Recommendation ITU-R P.676-12 - Attenuation by atmospheric gases and related effects � WP 3J 2022-06-10
[ 76 ]
Draft revision to Recommendation ITU-R P.1057-6 - Probability distributions relevant to radiowave propagation modelling � WP 3J 2022-06-10
[ 75 ]
(Rev.1)
Draft revision of Recommendation ITU-R P.841-6 - Conversion of annual statistics to worst-month statistics � WP 3J 2022-06-10
[ 74 ]
Draft revision of Recommendation ITU-R P.581-2 - The concept of "worst month" � WP 3J 2022-06-10
[ 73 ]
Draft editorial amendment of Recommendation ITU-R P.1144-11 � WP 3J 2022-06-10
[ 72 ]
Draft revision of Recommendation ITU-R P.372-15 - Radio noise � WP 3L 2022-06-09
[ 71 ]
Draft revision of Question ITU-R 202-4/3 - Methods for predicting propagation over the surface of the Earth � WP 3L Q202/3 2022-06-09
[ 70 ]
Draft revision of Recommendation ITU-R P.368-9 - Ground-wave propagation prediction method for frequencies between 10 kHz and 30 MHz � WP 3L 2022-06-09
[ 69 ]
(Rev.1)
Draft revision of Recommendation ITU-R P.684-7 � WP 3L 2022-06-09
[ 68 ]
Executive Report from Working Party 3M to Study Group 3 � Chairman, WP 3M 2022-06-09
[ 67 ]
Executive Report from Working Party 3L to Study Group 3 � Chairman, WP 3L 2022-06-09
[ 66 ]
Executive Report from Working Party 3K to Study Group 3 � Chairman, WP 3K 2022-06-09
[ 65 ]
Executive Report from Working Party 3J to Study Group 3 � Chairman, WP 3J 2022-06-09
[ 64 ]
Liaison statement to all ITU-R Study Groups - Information on the progress of ITU-R Study Group 6 Rapporteur Group on a vision for the Future of Broadcasting (RG-FOB) � SG 6 2022-03-22
[ 63 ]
GASS 2021: Recent URSI Resolutions and Recommendation � Director, BR 2021-12-16
[ 62 ]
Reply liaison statement to Working Party 5A (copy for information to relevant parties) - Proposed suppression of the Compendium of ITU's work on Emergency Telecommunications � WP 5C 2021-11-29
[ 61 ]
Liaison statement to relevant entities - Suppression of the Compendium of ITU's work on Emergency Telecommunications � WP 5A 2021-11-29
[ 60 ]
Reply liaison statement to Working Party 5A (copy for information to relevant parties) - Proposed suppression of the Compendium of ITU'S work on Emergency Telecommunications � WP 4A 2021-10-29
[ 59 ]
Liaison statement on establishment of a new ITU-T Focus Group on Artificial Intelligence (AI) and internet of things (IOT) for digital agriculture (FG-AI4A) � ITU-T SG20 2021-10-22
[ 58 ]
Reply liaison statement to Working Party 5A (copy for information to relevant parties) - Proposed suppression of the Compendium of ITU's work on Emergency Telecommunications � WP 5D 2021-10-19
[ 57 ]
Reply liaison statement to Working Party 5A (copy for information to relevant parties) - Proposed suppression of the Compendium of ITU's work on Emergency Telecommunications � WP 4C 2021-07-14
[ 56 ]
Summary record of the meeting of Study Group 3 (e-Meeting, 2 July 2021) � Chairman, SG 3 2021-07-14
[ 55 ]
Final list of participants - Study Group 3 (e-Meeting, 2 July 2021) � Director, BR 2021-07-02
[ 54 ]
List of documents issued (Documents 3/21 - 3/54) � BR. Study Groups Department 2021-07-02
[ 53 ]
(Rev.1)
Executive Report from Working Party 3J to Study Group 3 � Chairman, WP 3J 2021-07-02
[ 52 ]
(Rev.1)
Executive Report from Working Party 3K to Study Group 3 � Chairman, WP 3K 2021-07-02
[ 51 ]
(Rev.1)
Draft revision of Recommendation ITU-R P.619-4 - Propagation data required for the evaluation of interference between stations in space and those on the surface of the Earth � WP 3M 2021-07-02
[ 50 ]
Executive Report from Working Party 3M to Study Group 3 � Chairman, WP 3M 2021-07-02
[ 49 ]
(Rev.1)
Draft revision of Recommendation ITU-R P.311-17 - Acquisition, presentation and analysis of data in studies of radiowave propagation � WP 3M 2021-07-02
[ 48 ]
(Rev.1)
Draft revision of Recommendation ITU-R P.452-16 - Prediction procedure for the evaluation of interference between stations on the surface of the Earth at frequencies above about 0.1 GHz � WP 3M 2021-07-02
[ 47 ]
(Rev.1)
Draft revision to Recommendation ITU-R P.2001-3 - A general purpose wide-range terrestrial propagation model in the frequency range 30 MHz to 50 GHz � WP 3M 2021-07-02
[ 46 ]
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 � WP 3M 2021-07-02
[ 45 ]
Draft revision of Recommendation ITU-R P.1144-10 - Guide to the application of the propagation methods of Radiocommunication Study Group 3 - Gaussian Quadrature Integration � WP 3M 2021-07-02
[ 44 ]
Executive Report from Working Party 3L to Study Group 3 � Chairman, WP 3L 2021-07-02
[ 43 ]
Draft editorial amendment to Recommendation ITU-R P.1622-0 - Prediction methods required for the design of Earth-space systems operating between 20 THz and 375 THz � WP 3M 2021-07-02
[ 42 ]
(Rev.2)
Draft revision to Recommendation ITU-R P.530-17 � WP 3M 2021-07-02
[ 41 ]
Draft revision of Recommendation ITU-R P.2108-0 - Prediction of clutter loss � WP 3K 2021-07-02
[ 40 ]
Draft revision of Recommendation ITU-R P.372-14 - Radio Noise � WP 3L 2021-07-02
[ 39 ]
Draft revision of Recommendation ITU-R P.534-5 method for calculating sporadic-E field strength - Global maps of foEs exceeded for annual percentage times � WP 3L 2021-07-02
[ 38 ]
(Rev.1)
Draft revision of Recommendation ITU-R P.528-4 - A propagation prediction method for aeronautical mobile and radionavigation services using the VHF, UHF, and SHF bands � WP 3K 2021-07-01
[ 37 ]
Draft revision of Report ITU-R P.2406-1 - Studies for short-path propagation data and models for terrestrial radiocommunication systems in the frequency range 6 GHz to 450 GHz � WP 3K 2021-07-01
[ 36 ]
(Rev.1)
Draft revision of Report ITU-R P.2346-3 - Compilation of measurement data relating to building entry loss � WP 3K 2021-07-01
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