M62 广播、电视网结构 标准查询与下载

SJ/T 9508.6-1993 30MHz～1GHz声音和电视信号的电缆分配系统宽频带放大器质量分等标准

本标准适用于30MHz～1GHz声音和电视信号的电缆分配系统宽频带放大器的质量分等，是考核该产品质量等级的依据。 本标准只给出了关键性技术指标，必须与GB 11318.1～11318.6和有关产品标准一起使用。

Grading standard of quelity for broadband amplifier used in cabled distribution systems primarily intended for sound and television signals operating between 30MHz and 1GHz

SJ/T 9508.5-1993 30MHz～1GHz声音和电视信号的电缆分配系统频道放大器质量分等标准

Grading standard of quelity for channel amplifier used in cabled distribution systems primarily intended for sound and television signals operating between 30MHz and 1GHz

SJ/T 9508.4-1993 30MHz～1GHz声音和电视信号的电缆分配系统混合器质量分等标准

Grading standard of quelity for combiner used in cabled distribution systems primarily intended for sound and television signals operating between 30MHz and 1GHz

ITU-T H.200 (REV 1)-1993 视听业务的建议的框架(研究组十五)7页

The ITU Telecommunication Standardization Sector (ITU-T) is a permanent organ of the International Telecommunication Union

Framework for Recommendations for Audiovisual Services (Study Group XV) 7 pp

EN 61114-1:1993 12Hz频带广播传输用接收天线的测量方法.第1部分:直播卫星接收天线的测量

Methods of measurement on receiving antennas for satellite broadcast transmissions in the 12 GHz band; part 1: electrical measurements on DBS receiving antennas (IEC 1114-1:1992)

prEN 50083-3-1992 电视和声信号用电缆分布系统.第3部分:有源同轴宽带分布元件

Cabled distribution systems for television and sound signals; part 3: active coaxial wideband distribution components

prEN 50083-4-1992 电视和声信号用电缆分布系统.第4部分:无源同轴宽带分布元件

Cabled distribution systems for television and sound signals; part 4: passive coaxial wideband distribution components

prEN 50083-5-1992 电视和声信号用电缆分布系统.第5部分:有接头的元件

Cabled distribution systems for television and sound signals; part 5: headed components

ITU-R BS.702-1 SPANISH-1992 HF广播中每个节目使用的多频和同步.第10A-1部分.振幅调制声音广播波段5(低频),6(中频)和7(高频)

This Recommendation considering that the overloading of the HF bands is well known.

SYNCHRONIZATION AND MULTIPLE FREQUENCY USE PER PROGRAMME IN HF BROADCASTING

ITU-R BS.773 FRENCH-1992 频段在87.5 MHz和108 MHz的调频声音广播所需的射频保护比,用以抵抗D/Secam制式电视传输的干扰.10B部分.频率.波段8甚高频(VHF)和波段9特高频(UHF)的调制声音广播

This Recommendation considering that in some areas of Europe the part below 100 MHz of the VHF band II is used for television broadcasting: that for planning of sound broadcasting in that band it is, therefore, necessary to know to what extent the reception of sound broadcasting signals is interfered with by television transmissions.

Radio-Frequency Protection Ratios Required by FM Sound Broadcasting in the Band between 87.5 MHz and 108 MHz Against Interference from D/Secam Television Transmissions

ITU-R BS.773 SPANISH-1992 频段在87.5 MHz和108 MHz的调频声音广播所需的射频保护比,用以抵抗D/Secam制式电视传输的干扰.10B部分.频率.波段8甚高频(VHF)和波段9特高频(UHF)的调制声音广播

The ITU considering that in some areas of Europe the part below 100 MHz of the VHF band II is used for television broadcasting; that for planning of sound broadcasting in that band it is, therefore, necessary to know to what extent the reception of sound broadcasting signals is interfered with by television transmissions.

Radio-Frequency Protection Ratios Required by FM Sound Broadcasting in the Band between 87.5 MHz and 108 MHz Against Interference from D/Secam Television Transmissions

ITU-R BS.702-1 FRENCH-1992 HF广播中每个节目使用的多频和同步.第10A-1部分.振幅调制声音广播波段5(低频),6(中频)和7(高频)

The CCIR considering: a) that the overloading of the HF bands is well known; b) that Article 17, No.1751, of the Radio Regulations, states:“…their number (of frequencies) should be the minimum necessary to provide satisfactory reception of the particular programme in each of the areas for which it is intended...”; C ) that the WARC “ 2-87 recognized that the synchronization of transmitters is an accepted technique for improving the efficient use of the spectrum.

SYNCHRONIZATION AND MULTIPLE FREQUENCY USE PER PROGRAMME IN HF BROADCASTING

ITU-R PI.435-7-1992 150到1600 kHz频段范围内广播业务的天波场强预测方法

This method predicts values of the night-time sky-wave field strength for a given power radiated from one or more vertical antennas, when measured by a loop antenna at ground level aligned in a vertical plane along the great-circle path to the transmitt

(WITHDRAWN) Sky-Wave Field-Strength Prediction Method for the Broadcasting Service in the Frequency Range 150 to 1 600 kHz Section 6D - Ionospheric Propagation Prediction at Frequencies Below About 1.6 MHz

NF C90-004*NF EN 50080:1991 MAC AM-VSB 有线接收机射频特性

RF characteristics of MAC AM-VSB cable receivers.

ITU-R INFORME BS.300-7 SPANISH-1990 声音广播频率调节的立体声或多维声

Stereophonic or multi-dimensional sound in frequency-modulation sound broadcasting

ITU-R RAPPORT BS.945-2 FRENCH-1990 多重干扰的评估方法

Methods for the assessment of multiple interference

ITU-R RAPPORT BS.464-5 FRENCH-1990 在8 甚高频(VHF)波段调频广播的极化排放

Polarization of emissions in frequency-modulation broadcasting in band 8 (VHF)

ITU-R RAPPORT BS.458-5 FRENCH-1990 低频(LF)系统的特征,低频(LF)和中频(MF)广播

Characteristics of systems in LF, MF and HF broadcasting

ITU-R INFORME BS.1059-1 SPANISH-1990 低频(LF)广播的单边带系统的特点

Characteristics of single-sideband systems in HF broadcasting

ITU-R INFORME BS.946-1 SPANISH-1990 计划频率在8(VHF)波段调频广播的限制

FREQUENCY-PLANNING CONSTRAINTS OF FM SOUND BROADCASTING IN BAND 8 (VHF)