ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-R S.1856
Methodologies for determining whether an IMT station at a given location operating in the band 3 400-3 600 MHz would transmit without exceeding the power flux-density limits in the Radio Regulations Nos. 5.430A, 5.432A,.432B and 5.433A
- 【日 期】2018/1/10
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1673-1
Methodologies for the calculation of the worst-case interference levels from a non-geostationary HEO-type fixed-satellite service system into geostationary fixed-satellite service satellite networks operating in the 10 to 30 GHz frequency bands
- 【日 期】2018/1/10
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1857
Methodologies to estimate the off-axis e.i.r.p. density levels and to assess the interference towards adjacent satellites resulting from pointing errors of vehicle-mounted earth stations in the 14 GHz frequency band
- 【日 期】2018/1/10
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1469-2
Methodology for evaluating potential for interference from time division multiple access/frequency division multiple access (TDMA/FDMA) mobile-satellite service (MSS) Earth-to-space transmissions into line-of-sight (LoS) fixed service receivers in the fre
- 【日 期】2018/1/10
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1472-1
Methodology to evaluate the impact of interference from time division multiple access/frequency division multiple access (TDMA/FDMA) mobile-satellite service (MSS) space-to-Earth transmissions on baseband performance in frequency division multiplexing-fre
- 【日 期】2018/1/10
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1473-1
Methodology to evaluate the impact of interference from time division multiple access/frequency division multiple access (TDMA/FDMA) mobile-satellite service (MSS) space-to-Earth transmissions on video baseband performance in TV-FM analogue line-of-sight
- 【日 期】2018/1/10
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1474-1
Methodology to evaluate the impact of interference from time division multiple access/frequency division multiple access (TDMA/FDMA) mobile-satellite service (MSS) systems on baseband performance in digital line-of-sight fixed service receivers based on s
- 【日 期】2018/1/10
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R SA.1345-1
Methods for predicting radiation patterns of large antennas used for space research and radio astronomy
- 【日 期】2018/1/10
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T Y.2007
NGN capability set 2 - Study Group 13
- 【日 期】2018/1/10
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T J.249
Perceptual video quality measurement techniques for digital cable television in the presence of a reduced reference - Study Group 9
- 【日 期】2018/1/10
- 【語 言】English
- 【狀 態】Active
