ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-R BT.805
Assessment of Impairment Caused to Television Reception by a Wind Turbine
- 【日 期】1992/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R BO.790
Characteristics of Receiving Equipment and Calculation of Receiver Figure-of-Merit (G/T) for the Broadcasting-Satellite Service
- 【日 期】1992/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R BO.791
Choice of Polarization for the Broadcasting-Satellite Service
- 【日 期】1992/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.730
Compensation of the Effects of Switching Discontinuities for Voice Band Data and of Doppler Frequency-Shifts in the Fixed-Satellite Service - Section 4B2 - Performance and Availability
- 【日 期】1992/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.729
Control and Monitoring Function of Very Small Aperture Terminals (VSATs) - Section 4B1 - Systems Aspects
- 【日 期】1992/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R BT.419-3
Directivity and Polarization Discrimination of Antennas in the Reception of Television Broadcasting - Section 11E - Planning of Television Networks, Protection Ratios Television Receivers and Antennas
- 【日 期】1992/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.670-1
Flexibility in the Positioning of Satellites as a Design Objective - Section 4D3 - Spacecraft Station-Keeping - Satellite Antenna Radiation Pattern - Pointing Accuracy
- 【日 期】1992/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R BO.792
Interference Protection Ratios for the Broadcasting-Satellite Service (Television) in the 12 GHz Band
- 【日 期】1992/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.466-6
Maximum Permissible Level of Interference in a Telephone Channel of a Geostationary-Satellite Network in the Fixed-Satellite Service Employing Frequency Modulation with Frequency-Division Multiplex, Caused by Other Networks of This Service - Section 4D1 -
- 【日 期】1992/3/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R S.523-4
Maximum Permissible Levels of Interference in a Geostationary- Satellite Network in the Fixed-Satellite Service Using 8-Bit PCM Encoded Telephony, Caused by Other Networks of this Service - Section 4D1 - Permissible Levels of Interference
- 【日 期】1992/3/1
- 【語 言】English
- 【狀 態】Active
