ITU
搜尋結果：找到 7840 筆資料
- 【組 織】ITU
- 【文件編號】ITU-R F.613
Use of Ionospheric Channel Sounding Systems Operating in the Fixed Service at Frequencies Below About 30 MHz - Section 3Ac - Influence of the Ionosphere
- 【日 期】1986/7/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T J.64
Definitions of Parameters for Simplified Automatic Measurement of Television Insertion Test Signals Television and Sound Transmission - Formerly Recommendation ITU-R CMTT.569; Study Group 9
- 【日 期】1986/5/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T J.25
Estimation of Transmission Performance of Sound-Programme Circuits Shorter or Longer Than the Hypothetical Reference Circuit - Television and Sound Transmission - Formerly Recommendation ITU-R CMTT.605; Study Group 9; 5 pp
- 【日 期】1986/5/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T J.54
Transmission of Analogue High-Quality Sound-Programme Signals on Mixed Analogue-and-Digital Circuits Using 384 kbit/s Channels - Television and Sound Transmission - Formerly Recommendation ITU-R CMTT.660; Study Group 9; 7 pp
- 【日 期】1986/5/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R REPORT 1028
3 kHz DUPLEX SEPARATION FOR DSC CHANNELS IN THE BAND 435-526.5 kHz
- 【日 期】1986/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.586-1
Automated VHF/UHF Maritime Mobile Telephone System - - Section 8C - Maritime Mobile Service; Telephony and Related Subjects
- 【日 期】1986/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R REPORT M.908-1
CHANNEL REQUIREMENTS FOR A DIGITAL SELECTIVE-CALLING SYSTEM
- 【日 期】1986/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-T HDBK CUM
Chill User's Manual
- 【日 期】1986/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R BS.48-2
Choice of frequency for sound broadcasting in the Tropical Zone
- 【日 期】1986/1/1
- 【語 言】English
- 【狀 態】Active
- 【組 織】ITU
- 【文件編號】ITU-R M.587-1
Coast Station Identities and Initiation of Location Registration in an Automated VHF/UHF Maritime Mobile Telephone System - Section 8C - Maritime Mobile Service; Telephony and Related Subjects
- 【日 期】1986/1/1
- 【語 言】English
- 【狀 態】Active
