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Principes fondamentaux de la propagation

Resultats:199 documents

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Contributions��
�	Num�ro�	Titre	Source	AI/Question	Date
�	[ 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
�	[ 74 ] � �	Introduction to the slack string knife-edge diffraction method � �	United States of America �	�	2009-05-22
�	[ 73 ] � �	Proposed changes to DBSG3 and consequent revision of Recommendation ITU-R P.311-12 � �	United Kingdom of Great Britain and Northern Ireland �	�	2009-05-22
�	[ 72 ] � �	Calculation of effective Earth radius and point refractivity gradient in UAE � �	United Arab Emirates �	�	2009-05-24
�	[ 71 ] � �	Test and comparison for prediction methods of rain attenuation statistics on terrestrial line-of-sight links � �	China (People's Republic of) �	�	2009-05-24
�	[ 70 ] � �	Proposed modification to Recommendations ITU-R P.1812 and ITU-R P.452-13 - Hybrid diffraction prediction method � �	China (People's Republic of) �	�	2009-05-24
�	[ 69 ] � �	Sharing studies between mobile service and aeronautical radionavigation service stations in the frequency band 790-862 MHz according to Agenda item 1.17 WRC-11 - Radio waves propagation model � �	Russian Federation �	�	2009-05-22
�	[ 68 ] � �	UK rain rates, scaling factors and comparison with Recommendation ITU-R P.837-5 � �	United Kingdom of Great Britain and Northern Ireland �	�	2009-05-19
�	[ 67 ] � �	Liaison statement to Working Parties 3J and 3K - Propagation characteristics in medium wave band � �	WP 6A �	�	2009-05-13
�	[ 66 ] � �	Proposed revision to Recommendation ITU-R P.1812 - Addition of correction to ducting model at VHF � �	United Kingdom of Great Britain and Northern Ireland �	�	2009-04-07
�	[ 65 ] � �	Proposed revisions to Recommendation ITU-R P.526-10 spherical-earth diffraction method - Lowest antenna height, height-gain function and variation of effective earth radius � �	United Kingdom of Great Britain and Northern Ireland �	�	2009-04-07
�	[ 64 ] � �	A new approach to diffraction modelling for a general path the "Delta" method � �	United Kingdom of Great Britain and Northern Ireland �	�	2009-04-07
�	[ 63 ] � �	Comments on the spherical earth diffraction metohod of Recommendation ITU-R P.526-10 � �	United Kingdom of Great Britain and Northern Ireland �	�	2009-04-07
�	[ 62 ] � �	Information document on the modelling of meteorological parameters using radiosonde data � �	United Kingdom of Great Britain and Northern Ireland �	�	2009-04-07
�	[ 61 ] � �	Liaison statement to Radiocommunication Study Groups and Working Parties � �	Chairman, CCV �	�	2009-03-20
�	[ 60 ] � �	Liaison statement to Working Parties 3J and 3M - Additional information for consideration by Working Parties 3J and 3M � �	WP 4A �	�	2008-10-30
�	[ 59 ] � �	Liaison statement to Working Parties 3J and 3M (copy for information to Working Party 1A) - Atmospheric absorption in the frequency range 1-350 THz (WRC-11 Agenda item 1.6) � �	WP 7D �	�	2008-10-28
�	[ 58 ] � �	Liaison statement to relevant Working Parties of Study Groups 3, 4, 5, 6, 7 - Information on short-range devices required for WRC-11 Agenda item 1.22 � �	WP 1A �	�	2008-07-25
�	[ 57 ] � �	Liaison statement to ITU-R Working Parties 4A, 4C, 5A, 5B, 5C, 6A, 7B, 7C and 7D (copy for information to ITU-R WPs 1A, 3J and 3K) - On the study of software-defined radio and cognitive radio systems � �	WP 1B �	�	2008-07-23
�	[ 56 ] � �	Liaison statement to Working Party 3J - Radio-meteorological data required for Recommendation ITU-R P.1812 � �	WP 3K �	�	2008-06-25
�	[ 55 ] � +Ann.1-18�	Chairman's Report of the meeting of Working Party 3J (Boulder, USA, 5-13 June 2008) � �	Chairman, WP 3J �	�	2008-06-25
�	[ 54 ] � �	Final List of Participants - Working Party 3J (5-13 June 2008) � �	Director, BR �	�	2008-06-25
�	[ 53 ] � �	Liaison reply to Working Party 4C (copied to Working Parties 3J, 3K, 3L, 3M, 7A, 7B, 7C, 7D, 4A, 4B, 6A, 6B, 6C, 1A, 1B, 1C, 5A, 5B, 5C and 5D for information) - Studies related to WRC-11 Agenda item 1.25 � �	WP 6A �	�	2008-06-11
�	[ 52 ] � �	Document cancelled � �	BR Secretariat �	�	2008-06-06
�	[ 51 ] � �	List of documents issued � �	BR Study Group Department �	�	2008-05-29
�	[ 50 ] � �	Recommendation ITU-R P.618-9 rain attenuation model: prediction for low latitudes and low elevation angles � �	European Space Agency (ESA) , Italy �	�	2008-05-29
Resultats:199 documents R�sultats :� Pr�c�dent�-� 1 - 2 - 3 - 4 �-�Suivant �

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