ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-R SA.1743
Maximum allowable degradation to radiocommunication links of the space research and space operation services arising from interference from emissions and radiations from other radio sources - Question ITU-R 129/7
- 【日 期】2006/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.524-9
Maximum permissible levels of off-axis e.i.r.p. density from earth stations in geostationary-satellite orbit networks operating in the fixed-satellite service transmitting in the 6 GHz, 13 GHz, 14 GHz and 30 GHz frequency bands
- 【日 期】2006/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R REPORT SA.2066
Means of calculating low-orbit satellite visibility statistics
- 【日 期】2006/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R BT.1439-1
Measurement methods applicable in the analogue television studio and the overall analogue television system
- 【日 期】2006/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R QUESTION 124/6
Measurement methods for the verification and validation of digital television and sound broadcasting planning procedures
- 【日 期】2006/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R SM.1754
Measurement techniques of ultra-wideband transmissions - Question ITU-R 227/1
- 【日 期】2006/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R REPORT P.2090
Measuring the input parameters for the radiative energy transfer model of vegetation attenuation
- 【日 期】2006/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.1187-1
Method for the Calculation of the Potentially Affected Region for a Mobile-Satellite Service Network in the 1-3 GHz Range Using Circular Orbits
- 【日 期】2006/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R SF.1601-2
Methodologies for interference evaluation from the downlink of the fixed service using high altitude platform stations to the uplink of the fixed-satellite service using the geostationary satellites within the band 27.5-28.35 GHz - Questions ITU-R 218/9 a
- 【日 期】2006/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.1427-1
Methodology and criterion to assess interference from terrestrial wireless access system/radio local area network transmitters to non-geostationary-satellite orbit mobile-satellite service feeder links in the band 5 150-5 250 MHz
- 【日 期】2006/1/1
- 【語 言】English
- 【狀 態】Active
