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Sistemas de Detección a Distancia

Resultados :204 documentos
Resultados :   -  1 - 2 - 3 - 4 - 5  - Siguiente Next
Contribuciones  Documents / Contributions
 
Número 
Fecha Origen Título AI/Cuestión
[ 179 ]  
 
2014-09-24 European Space Agency   Proposed draft new Report ITU-R RS.[EESS RFI SURVEY] - Global Survey of RFI levels observed by the Aquarius scatterometer at 1 260 MHz and Aquarius and SMOS radiometers at 1 413 MHz      
[ 178 ]  
 
2014-09-24 European Space Agency   Proposed revision to the PDNR RS.[ACTIVE_CHAR] - Typical technical and operational characteristics of earth exploration-satellite service (active) systems using allocations between 432 MHz and 238 GHz      
[ 177 ]  
 
2014-09-23 France , Germany (Federal Republic of)   Draft new Report ITU-R RS.[EESS-9GHz_RDS] - Sharing analyses of very wideband EESS SAR transmissions with stations in the radio determination service operating in the frecuency bands 8 700-9 300 MHz and 9 900-10 500 MHz      
[ 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  
[ 174 ]  
 
2014-09-23 European Space Agency   Proposed revision to the PDNR RS.[SRS PASSIVE CHAR FREQ] - Typical technical and operating characteristics and frequency bands used by space research service (passive) observation systems     221/7  
[ 173 ]  
 
2014-09-23 France , Germany (Federal Republic of)   Draft new Recommendation ITU-R RS.[EESS9GHZ-SRS-MITIGATION] - Protection of space 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      
[ 172 ]  
 
2014-09-23 France , Germany (Federal Republic of)   Draft new Recommendation ITU-R RS.[EESS9GHz-RAS-MITIGATION] - Protection of the radio astronomy service in the frequency band 10.6--10.7 GHz from unwanted emissions of synthetic aperture radars operating in the Earth exploration-stellite service (active) around 9 600 MHz      
[ 171 ]  
 
2014-09-23 Korea (Republic of)   Proposed modifications to the preliminary draft new Recommendation ITU-R RS.[EESS9GHz-RAS-MITIGATION] - Protection of the radio astronomy service in the frequency band 10.6-10.7 GHz from unwanted emissions of synthetic aperture radars operating in the Earth exploration-satellite service (active) around 9 600 MHz      
[ 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"      
[ 156 ]  
 
2014-09-18 Russian Federation   Working document toward preliminary draft revision of Recommendation ITU-R TF.460-6 - Standard-frequency and time-signal emissions      
[ 155 ]  
 
2014-09-18 Russian Federation   Proposals on preliminary draft new Recommendation ITU-R RS.[EESS_RNSS_METH]      
[ 154 ]  
 
2014-09-11 China (People's Republic of)   Proposed revisions to preliminary draft new Report 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      
[ 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  
[ 149 ]  
 
2014-04-29 European Space Agency   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      
[ 148 ]  
 
2014-04-29 Korea (Republic of)   Proposed modifications to the draft CPM text on WRC-15 agenda item 1.12      
[ 147 ]  
 
2014-04-29 Saudi Arabia (Kingdom of) , Algeria (People's Democratic Republic of)   Draft CPM text for WRC-15 agenda item 1.12      
[ 146 ]  
 
2014-04-29 France , Germany (Federal Republic of) , Italy   Contribution to draft CPM Report, Chapter 2 - Agenda item 1.12 (WRC-15)      
[ 145 ]  
 
2014-04-28 European Space Agency   Reply to the Joint Task Group 4-5-6-7 liaison statement on potential mitigation techniques for RLAN interference to EESS (active) in the band 5 350-5 470 MHz      
[ 144 ]  
 
2014-04-28 France , Germany (Federal Republic of)   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 GHz, respectively - WRC15 agenda item 1.12      
[ 143 ]  
 
2014-04-28 France , Germany (Federal Republic of)   Draft new Report ITU-R RS.[EESS-9GHZ-FS/MS/AS] - Sharing analyses of very wideband EESS SAR transmissions with stations in the fixed, mobile, amateur, and amateur-satellite services operating in the frequency bands 8 700-9 300 MHz and 9 900-10 500 MHz - WRC-15 agenda item 1.12      
[ 142 ]  
 
2014-04-28 France , Germany (Federal Republic of)   Preliminary draft new Report 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      
[ 141 ]  
 
2014-04-28 France , Germany (Federal Republic of)   Agenda item 1.12 - Derivation of a PFD limit for the protection of Fixed Service from EESS (active) in the band 9.9-10.5 GHz      
[ 140 ]  
 
2014-04-28 France , Germany (Federal Republic of)   Proposed PDNR ITU-R RS.[EESS9GHZ-RAS-MITIGATION] - Protection of the Radio Astronomy Service in the 10.6-10.7 GHz band from unwanted emissions of Synthetic Aperture Radars operating in the Earth Exploration-satellite Service (active) near 9 600 MHz      
[ 139 ]  
 
2014-04-28 France   Comments on study 3 in PDN Report ITU-R RS.[EESS-9GHz_RDS] - Agenda item 1.12      
[ 138 ]  
 
2014-04-28 France   Revision of the working document towards a 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      
[ 137 ]  
 
2014-04-28 France   Liaison statement to Working Party 1B - Working document towards a preliminary draft new Report ITU-R SM.[DYNAMIC ACCESS] - Spectrum management principles and spectrum engineering techniques for dynamic access to spectrum by radio systems employing cognitive capabilities      
[ 136 ]  
 
2014-04-28 France   Reply liaison statement to Working Party 4A - WRC-15 agenda item 1.6      
[ 135 ]  
 
2014-04-28 European Space Agency   Proposed changes to 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 band from unwanted emissions of synthetic aperture radars operating in the earth exploration-satellite servie (active) near 9 600 MHz      
[ 134 ]  
 
2014-04-28 Russian Federation   Proposals on update of draft CPM text for WRC-15 agenda item 1.12      
[ 133 ]  
 
2014-04-28 Russian Federation   Proposals on update of working document towards a preliminary draft new Report ITU-R M.[EESS-9GHz_RSS] - 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      
[ 132 ]  
 
2014-04-28 Russian Federation   Proposals on preliminary draft new Recommendation ITU-R RS.[EESS_RNSS_METH]      
[ 131 ]  
 
2014-04-25 Canada   An examination of possible mitigation techniques to address sharing between EESS (active) and RLANS in the band 5 350-5 470 MHz      
[ 130 ]  
 
2014-04-25 Canada   Proposed draft liaison statement to SC-WP and to CCV - WRC-15 agenda item 9.2      
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