ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 270-1/4
Fixed-satellite service systems using very wideband spreading signals
- 【日 期】2005/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 272
Frequency sharing between the FSS and the space research service in the 37.5-38 GHz and 40-40.5 GHz bands
- 【日 期】2005/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1715
Guidelines developed in response to the studies requested in Resolution 140 (WRC-03)
- 【日 期】2005/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1522-1
Impact of loss of synchronization recovery time onavailability in hypothetical reference digital paths - Question ITU-R 73/4
- 【日 期】2005/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1453-2
Intelligent transport systems – dedicated short range communications at 5.8 GHz - Question ITU-R 205/8
- 【日 期】2005/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 271
Interference between satellite news gathering (SNG) carriers by unintentional access
- 【日 期】2005/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R BO.1696
Methodologies for determining the availability performance for digital multiprogramme broadcasting-satellite service systems, and their associated feeder links operating in the planned bands - (Question ITU-R 3/6)
- 【日 期】2005/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1712
Methodologies for determining whether an FSS earth station at a given location could transmit in the band 13.75-14 GHz without exceeding the pfd limits in No. 5.502 of the Radio Regulations, and guidelines to mitigate excesses
- 【日 期】2005/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R SF.1707
Methods to facilitate the implementation of large numbers of earth stations in the FSS in areas where terrestrial services are also deployed
- 【日 期】2005/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1149-2
Network architecture and equipment functional aspects of digital satellite systems in the fixed-satellite service forming part of synchronous digital hierarchy transport networks - (Question ITU-R 201/4)
- 【日 期】2005/1/1
- 【語 言】English
- 【狀 態】Active
