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Sistemas de Detección a Distancia

Resultados :83 documentos
Resultados :  1 - 2  - Siguiente Next
Contribuciones  [ Origen: United States of America ]   Documents / Contributions
 
Número 
Fecha Origen Título AI/Cuestión
[ 198 ]  
 
2015-05-07 United States of America   Proposed preliminary draft revised Recommendation ITU-R RS.1883 - Use of remote sensing systems in the study of climate change and the effects therof      
[ 197 ]  
 
2015-05-07 United States of America   Proposed preliminary draft revised Recommendation ITU-R RS.1859 - Use of remote sensing systems for data collections to be used in the event of natural disasters and similar emergencies      
[ 196 ]  
 
2015-05-07 United States of America   Revision of Annex 4 to Working Party 7C Chairman's Report - Working document towards the revision of Recommendation ITU-R RS.1166-4      
[ 195 ]  
 
2015-05-07 United States of America   Proposed liaison statement to the CCV - Definitions for terminology relating to Question ITU-R 256/7     256/7  
[ 193 ]  
 
2015-05-07 United States of America   Proposed modifications to preliminary draft new Recommendation ITU-R RS.[EESS_RNSSS_METH] - Evaluation method to determine compatibility between receiving earth stations in the radionavigation-satellite service (space to Earth) and spaceborne sensors in the Earth exploration-satellite (active) service in the 1 215-1 300 MHz band     234/7  
[ 192 ]  
 
2015-05-07 United States of America   Proposed draft liaison statement to Working Party 4C - Regarding compatibility between EESS (active) systems and RNSS systems in the frequency band 1 215-1 300 MHz     234/7  
[ 191 ]  
 
2015-05-07 United States of America   Proposed updates to preliminary draft new Report ITU-R RS.[EESS-ARNS RADARS 1 215-1 300 MHz] - Potential interference from the Earth exploration-satellite (active) spaceborne radars operating in the 1 215-1 300 MHz frequency band to the aeronautical radionavigation surveillance radar receivers in the 1 240-1 370 MHz frequency band     234/7  
[ 190 ]  
 
2015-05-07 United States of America   Revision of Annex 5 to Working Party 7C Chairman's Report - Preliminary draft new Recommendation ITU-R RS.[ACTIVE_CHAR]      
[ 176 ]  
 
2014-09-23 United States of America   Proposed draft liaison statement to Working Party 4C regarding compatibility between EESS (active) systems and RNSS systems in the frequency band 1 215-1 300 MHz     234/7  
[ 175 ]  
 
2014-09-23 United States of America   Proposed modifications to preliminary draft new Recommendation ITU-R RS.[EESS_RNSS_METH] - Evaluation method to determine compatibility between receiving earth stations in the radionavigation-satellite service (space to Earth) and spaceborne sensors in the Earth exploration-satellite (active) service in the 1 215-1 300 MHz band     234/7  
[ 170 ]  
 
2014-09-19 United States of America   Proposed revision of PDNR ITU-R RS.[ACTIVE_CHAR] - Typical technical and operational characteristicis of earth exploration-satellite service (active) systems using allocations between 432 MHz and 238 GHz      
[ 169 ]  
 
2014-09-19 United States of America   Proposed draft new Report ITU-R RS.[EESS RFI SURVEY] "Global survey of RFI levels observed by the aquarius scatterometer at 1260 MHz and aquarius and SMOS radiometers at 1413 MHz"      
[ 168 ]  
 
2014-09-19 United States of America   Preliminary draft new Recommendation ITU-R RS.[EESS9GHZ-SRS-MITIGATION] - Protection of sapce research service (SRS) space-to-Earth links in the 8 400-8 450 MHz and 8 450-8 500 MHz bands from unwanted emissions of synthetic aperture radars operating in the earth exploration-satellite service (active) around 9 600 MHz      
[ 167 ]  
 
2014-09-19 United States of America   Proposed modifications to preliminary draft new Report ITU-R RS.[MITIG-RNSS-EESS] - Pulsed radio frequency signal impact measurements and possible mitigation techniques between EESS (active) systems and RNSS systems and networks in the band 1 215-1 300 MHz     234/7  
[ 166 ]  
 
2014-09-19 United States of America   Proposed draft liaison statement to Working Party 4C regarding mitigation techniques between EESS (active) systems and RNSS systems in the frequency band 1 215-1 300 MHz     234/7  
[ 165 ]  
 
2014-09-19 United States of America   Preliminary draft new Report ITU-R RS.[EESS-ARNS RADARS 1 215-1 300 MHZ] - Potential interference from the Earth exploration-satellite (active) spaceborne radars operating in the 1 215-1 300 MHz frequency band to the aeronautical radionavigation surveillance radar receivers in the 1 240-1 370 MHz frequency band     234/7  
[ 164 ]  
 
2014-09-19 United States of America   Proposed draft liaison statement to Working Party 5B on PDN Report ITU-R RS.[EESS-ARNS RADARS 1 215-1 300 MHZ] - Potential interference from the Earth exploration-satellite (active) spaceborne radars operating in the 1 215-1 300 MHz frequency band to the aeronautical radionavigation surveillance radar receiver in the 1 240-1 370 MHz frequency band      
[ 163 ]  
 
2014-09-19 United States of America   Proposed draft liaison statement to Working Party 5B on WRC-15 agenda item 1.12 - PDNR ITU-R RS[EESS-9GHS_RDS] - Sharing analyses of very wideband EESS SAR transmissions with stations in the stations in the radio determination service operating in the frequency bands 8 700-9 300 MHz and 9 900-10 500 MHz      
[ 162 ]  
 
2014-09-19 United States of America   Proposed updates to preliminary draft new Report ITU-R RS.[EESS-9GHz_RDS] - Sharing analyses of very wideband EESS SAR transmissions wiht stations in the radio determination service operating in the frequency bands 8 700-9 300 MHz and 9 900-10 500 MHz      
[ 161 ]  
 
2014-09-19 United States of America   Preliminary draft new Question regarding spaceborne radar sounders in the 40-50 MHz frequency range      
[ 160 ]  
 
2014-09-19 United States of America   Working document towards a preliminary draft new Report ITU-R RS.[EESS-RNSS] - Dynamic simulation results of aggregate RFI from ALOS-2 SAR and SMAP scatterometer on the SBAS ground reference receiver operating in the 1 215-1 300 MHz frequency band     234/7  
[ 159 ]  
 
2014-09-19 United States of America   Working document towards the revision of Recommendation ITU-R RS.1166-4: performance and interference criteria for active spaceborne sensors      
[ 158 ]  
 
2014-09-19 United States of America   Proposed draft new Recommendation RS.[SRS PASSIVE CHAR FREQ] - Typical technical and operating charcteristics and frequency bands used by space research service (passive) observation systems     221/7  
[ 157 ]  
 
2014-09-19 United States of America   Proposed modification and elevation of preliminary draft new Report ITU-R RS.[EESS_RLS 35 GHZ]: Worst-case interference levels from mainlobe-to-mainlobe antenna coupling of systems operating in the radiolocation service into active sensor receivers operating in the earth exploration-satellite (active) in the 35.5-36.0 GHz band"      
[ 153 ]  
 
2014-04-29 United States of America   Proposed draft liaison statement to Working Party 4C regarding compatibility between EESS (Active) systems and RNSS systems in the frequency band 1 215-1 300 MHz     234/7  
[ 152 ]  
 
2014-04-29 United States of America   Proposed modifications to preliminary draft new Recommendation ITU-R RS.[EESS_RNSS_METH] - Evaluation method to determine compatibility between receiving earth stations in the radionavigation-satellite service and spaceborne sensors in the earth exploration-satellite (Active) service in the 1 215-1 300 MHz band     234/7  
[ 151 ]  
 
2014-04-29 United States of America   Proposed modifications to preliminary draft new Report ITU-R RS.[MITIG_RNSS-EESS] - Pulsed radio frequency signal impact measurements and possible mitigation techniques between EESS (Active) systems and RNSS systems and networks in the band 1 215-1 300 MHz     234/7  
[ 150 ]  
 
2014-04-29 United States of America   Proposed reply liaison statement to Working Party 4C regarding preliminary draft new Report ITU-R M.[RNSS_MULTI_EESS] - Consideration of aggregate Radio Frequency Interference (RFI) event potentials from multiple EESS systems on RNSS receivers operating in the 1 215-1 300 MHz frequency band     234/7  
[ 129 ]  
 
2014-04-25 United States of America   Proposed working document toward a preliminary draft new Question on space weather observations      
[ 128 ]  
 
2014-04-25 United States of America   Proposed updates to preliminary draft new Report ITU-R RS.[ESS-9 GHz_RDS] - Sharing analyses of very wideband EESS SAR transmissions with stations in the radio determination service operating in the frequency bands 8 700-9 300 MHz and 9 900-10 500 MHz      
[ 127 ]  
 
2014-04-25 United States of America   Proposed modifications to draft CPM Report, Chapter 2, Sections 3.1, 3.3, 4.1.1 and 4.1.1.2 on WRC-15 agenda item 1.12      
[ 126 ]  
 
2014-04-25 United States of America   Preliminarary draft new Report ITU-R RS.[EESS-ARNS RADARS 1 215-1 300 MHz] - Potential interference from the earth exploration-satellite (active) spaceborne radars operating in the 1 215-1 300 MHz frequency band to the aeronautical radionavigation surveillance radar receivers in the 1 240-1 370 MHz frequency band      
[ 125 ]  
 
2014-04-25 United States of America   Draft reply liaison statement to Working Party 4A regarding WRC-15 agenda item 1.6 and Recommendation ITU-R RS.1166-4      
[ 124 ]  
 
2014-04-25 United States of America   Working document towards the revision of Recommendation ITU-R RS.1166-4 performance and interference criteria for actives spaceborne sensors      
[ 123 ]  
 
2014-04-25 United States of America   Typical technical and operational characteristics of earth exploration-satellite service (active) systems usign alocations between 432 MHz and 238 GHz      
[ 122 ]  
 
2014-04-25 United States of America   Proposed revisions of Sections 4.2.1, 5.1 and 5.2 of the CPM text for WRC-15 agenda item 1.12 on studies of unwanted emissions into space research service (SRS)      
[ 114 ]  
 
2014-04-17 United States of America   Preliminary draft new Recommendation RS.[SRS PASSIVE] - Typical technical and operating characteristics and frequency bands used by space research service (passive) observation systems     221/7  
[ 113 ]  
 
2014-04-01 United States of America   Compatibility between WAIC systems in the 22.5 - 22.55 GHz and 23.55 - 23.6 GHz frequency bands and EESS (passive) systems in the 22.21- 22.5 GHz and 23.6-24 GHz frequency bands      
[ 112 ]  
 
2014-04-01 United States of America   Proposed draft liaison statement to Working Party 5 WRC-15 agenda item 1.12 - PDNR ITU-R RS.[EESS-9GHZ_RDS] - Sharing analyses of very wideband EESS SAR transmissions with stations in the radio determination service operating in the frequency bands 8 700-9 300 MHz and 9 900-10 500 MHz      
[ 111 ]  
 
2014-04-01 United States of America   Proposed PDNR ITU-R RS.[EESS9GHz-SRS-Mitigation] - Protection of space research (deep space) space-to-Earth links in the 8 400-8 450 MHz and from unwanted emissions of synthetic aperture radars operating in the earth exploration-satellite service (active) near 9 600 MHz      
[ 110 ]  
 
2014-04-01 United States of America   Proposed revisions to Chapter 4 of preliminary draft new Report ITU-R RS.[EESS-9GHz_OOBE] - RF compatibility of unwanted emissions from 9 GHz EESS synthetic aperture radars (SAR) with the EESS (passive), SRS (passive), SRS and RAS operating in the frequency bands 8 400-8 500 MHz and 10.6-10.7 , respectively      
[ 109 ]  
 
2014-04-01 United States of America   Preliminary draft new Report ITU-R RS.[EESS RFI SURVEY] "Global survey of RFI levels observed by the aquarius scatterometer at 1260 MHz and aquarius and SMOS radiometers at 1413 MHz"      
[ 108 ]  
 
2014-04-01 United States of America   Proposed modifications to preliminary draft new Report ITU-R RS.[EESS_RLS 35 GHZ] - Worst-case interference levels from mainlobe-to-mainlobe antenna coupling of systems operating in the radiolocation service into active sensor receivers operating in the Earth exploration-satellite (active) in the 35.5-36.0 GHz band      
[ 83 ]  
 
2013-08-29 United States of America   Preliminary draft new Recommendation ITU-R RS.[EESS_RNSS_METH] - Evaluation method to determine compatibility between terrestrial receivers in the radionavigation-satellite service and spaceborne sensors in the Earth exploration-satellite (active) service in the 1 215-1 300 MHz band     234/7  
[ 82 ]  
 
2013-08-29 United States of America   Preliminary draft new Report ITU-R RS.[EESS RFI SURVEY] "Global survey of RFI levels observed by the aquarius scatterometer at 1 260 MHz and radiometer at 1 413 MHz"      
[ 81 ]  
 
2013-08-28 United States of America   Proposed modifications to preliminary draft new Report ITUR- RS.[MITIG_RNSS-EESS]- Compatibility measurements and possible mitigation measures between EESS (active) systems and RNSS systems in the band 1215-1 300 MHz     234/7  
[ 80 ]  
 
2013-08-28 United States of America   Preliminary draft new Recommendation ITU-R RS.[ACTIVE_CHAR] - "Typical technical and operational characteristics of Earth exploration-satellite service (active) systems using allocations between 432 MHz and 238 GHz"      
[ 79 ]  
 
2013-08-28 United States of America   Draft response to Working Party 4A liaison Document 7C/132 - Regarding the WRC-15 agenda item 1.6 FSS deployment model      
[ 78 ]  
 
2013-08-28 United States of America   Proposed revisions for Chapter 2 of the draft CPM Report (Section 4.2.1) on WRC-15 agenda item 1.12      
[ 77 ]  
 
2013-08-28 United States of America   Proposed draft reply liaison statement to Working Party 4C regarding EESS (active) systems and RNSS systems in the frequency band 1 215-1 300 MHz      
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