ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 102/6
Methodologies for subjective assessment of audio and video quality
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R SA.1022-1
Methodology for Determining Interference Criteria for Systems in the Earth Exploration-Satellite and Meteorological-Satellite Services
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1390
Methodology for the Calculation of IMT-2000 Terrestrial Spectrum Requirements
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1389
Methods for Archiving Coordinated Use of Spectrum by Multiple Non-Geostationary Mobile-Satellite Service Systems Below 1 GHz and Sharing with Other Services in Existing Mobile-Satellite Service Allocations
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R SF.1395
MINIMUM PROPAGATION ATTENUATION DUE TO ATMOSPHERIC GASES FOR USE IN FREQUENCY SHARING STUDIES BETWEEN THE FIXED-SATELLITE SERVICE AND THE FIXED SERVICE
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R OPINION 23-6
Observations Needed to Provide Basic Indices for Ionospheric Propagation
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R F.1400
Performance and Availability Requirements and Objectives for Fixed Wireless Access to Public Switched Telephone Network
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R SA.1025-3
Performance Criteria for Space-To-Earth Data Transmission Systems Operating in the Earth Exploration-Satellite and Meteorological-Satellite Services Using Satellites in Low-Earth Orbit
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1420
Performance for Broadband Integrated Services Digital Network Asynchronous Transfer Mode Via Satellite
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R F.755-2
Point-to-Multipoint Systems in the Fixed Service
- 【日 期】1999/1/1
- 【語 言】English
- 【狀 態】Active
