发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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Wired-emergency telephone system of expressway
本标准规定了公路有线紧急电话系统构成、控制中心设备、路侧分机和传输介质的技术要求。本标准适用于高速公路和一般公路使用的有线紧急电话系统,其他道路可参照使用
The specifications of wired-emergency telephone system of expressway
CATV and cable casting common cable transmission system Technical requirements
本标准规定了高速公路紧急电话系统(以下简称紧急电话)的分类、结构与标志、使用环境条件、性能指标、功能、试验方法、检验规则、包装与标志、运输及安装验收的要求。 本标准适用于高速公路(含一级汽车专用公路)紧急电话系统的设计、生产及使用
Emergency telephone system for expressway
Technical specification of CATV broadcasting system
GY/T 220 的本部分规定了移动多媒体广播系统中的紧急广播技术要求。 本部分适用于通过卫星和 / 或地面线发射视频、音频、数据信息等信号的移动多媒体广播系统
Mobile multimedia broadcasting.Part 4: Emergency broadcasting
Regulations for operations and maintenance of CATV broadcasting system
本标准主要供广播电视行业内有关的技术人员和师生使用。 本标准规定了广播电视领域内有线广播方面专用的名词术语
Broadcasting and television terminology--Wired broadcasting
本标准适用于建筑物内紧急铃及播音设备
Emergency Public Address Equipment
本标准规定了GSM/CDMA数字紧急电话系统(以下简称紧急电话)的组成、使用条件、技术要求、试验方法、检验规则、包装和储运等要求。 本标准适用于公路数字式元线紧急电话系统的设计与生产
GSM/CDMA emergency telephone system for highway
Digital Video Broadcasting (DVB); Interaction Channel for Cable TV Distribution Systems (CATV)
The document deals with technical requirements for very high frequency, frequency modulated, sound boadcasting transmitters operating in the frequency
Radio broadcasting systems - Very High Frequency (VHF), frequency modulated, sound broadcasting transmitters in the 66 to 73 MHz band; English version ETS 300750:1997
The purpose of this Recommendation is to describe requirements at the cable operator's headend for Video-on-Demand (VoD) metadata. It is envisioned
Metadata requirements for video-on-demand in cable networks SERIES J: CABLE NETWORKS AND TRANSMISSION OF TELEVISION SOUND PROGRAMME AND OTHER MULTIMEDIA SIGNALS Ancillary digital services for television transmission Study Group 9
Radio broadcasting systems - Very High Frequency (VHF), frequency modulated, sound broadcasting transmitters; Amendment A1 (Endorsement of the English version ETS 300384/A1:1997 as German Standard)
Wired-emergency telephone system of expressway
本标准规定了公路有线紧急电话系统构成、控制中心设备、路侧分机和传输介质的技术要求。本标准适用于高速公路和一般公路使用的有线紧急电话系统,其他道路可参照使用
The specifications of wired-emergency telephone system of expressway
CATV and cable casting common cable transmission system Technical requirements
本标准规定了高速公路紧急电话系统(以下简称紧急电话)的分类、结构与标志、使用环境条件、性能指标、功能、试验方法、检验规则、包装与标志、运输及安装验收的要求。 本标准适用于高速公路(含一级汽车专用公路)紧急电话系统的设计、生产及使用
Emergency telephone system for expressway
Technical specification of CATV broadcasting system
GY/T 220 的本部分规定了移动多媒体广播系统中的紧急广播技术要求。 本部分适用于通过卫星和 / 或地面线发射视频、音频、数据信息等信号的移动多媒体广播系统
Mobile multimedia broadcasting.Part 4: Emergency broadcasting
Regulations for operations and maintenance of CATV broadcasting system
本标准主要供广播电视行业内有关的技术人员和师生使用。 本标准规定了广播电视领域内有线广播方面专用的名词术语
Broadcasting and television terminology--Wired broadcasting
本标准适用于建筑物内紧急铃及播音设备
Emergency Public Address Equipment
本标准规定了GSM/CDMA数字紧急电话系统(以下简称紧急电话)的组成、使用条件、技术要求、试验方法、检验规则、包装和储运等要求。 本标准适用于公路数字式元线紧急电话系统的设计与生产
GSM/CDMA emergency telephone system for highway
Digital Video Broadcasting (DVB); Interaction Channel for Cable TV Distribution Systems (CATV)
The document deals with technical requirements for very high frequency, frequency modulated, sound boadcasting transmitters operating in the frequency
Radio broadcasting systems - Very High Frequency (VHF), frequency modulated, sound broadcasting transmitters in the 66 to 73 MHz band; English version ETS 300750:1997
The purpose of this Recommendation is to describe requirements at the cable operator's headend for Video-on-Demand (VoD) metadata. It is envisioned
Metadata requirements for video-on-demand in cable networks SERIES J: CABLE NETWORKS AND TRANSMISSION OF TELEVISION SOUND PROGRAMME AND OTHER MULTIMEDIA SIGNALS Ancillary digital services for television transmission Study Group 9
Radio broadcasting systems - Very High Frequency (VHF), frequency modulated, sound broadcasting transmitters; Amendment A1 (Endorsement of the English version ETS 300384/A1:1997 as German Standard)