ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-R S.1327
Requirements and Suitable Bands for Operation of the Inter-Satellite Service within the Range 50.2-71 GHz
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1034-1
Requirements for the Radio Interface(s) for International Mobile Telecommunications-2000 (IMT-2000)
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.672-4
Satellite Antenna Radiation Pattern for Use as a Design Objective in the Fixed-Satellite Service Employing Geostationary Satellites
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R RS.1280
SELECTION OF ACTIVE SPACEBORNE SENSOR EMISSION CHARACTERISTICS TO MITIGATE THE POTENTIAL FOR INTERFERENCE TO TERRESTRIAL RADARS OPERATING IN FREQUENCY BANDS 1-10 GHz
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R BT.1209-1
Service Multiplex Methods for Digital Terrestrial Television Broadcasting
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1340
Sharing between Feeder Links for the Mobile-Satellite Service and the Aeronautical Radionavigation Service in the Earth-to-Space Direction in the Band 15.4-15.7 GHz
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1341
Sharing between Feeder Links for the Mobile-Satellite Service and the Aeronautical Radionavigation Service in the Space-to-Earth Direction in the Band 15.4-15.7 GHz and the Protection of the Radio Astronomy Service in the Band 15.35-15.4 GHz
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1232
Sharing Criteria for Space-to-Earth Links Operating in the Mobile-Satellite Service with Non-Geostationary Satellites in the 137-138 MHz Band
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R SA.1277-0
SHARING IN THE 8 025-8 400 MHz FREQUENCY BAND BETWEEN THE EARTH EXPLORATION-SATELLITE SERVICE AND THE FIXED, FIXED-SATELLITE, METEOROLOGICAL-SATELLITE AND MOBILE SERVICES IN REGIONS 1, 2 AND 3
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 111-1/7
Signal delays in antennas and other circuits and their calibration for high-accuracy time transfer
- 【日 期】1997/1/1
- 【語 言】English
- 【狀 態】Active
