共找到 1270 条与 基础标准和通用方法 相关的标准,共 85 页
本文件规定了4K超高清晰度电视节目收录、制作、交换、存储和播出的文件格式。 本文件适用于电视制作机构、播出机构使用和交换4K超高清晰度成品节目文件和节目素材文件。
File format specification for 4K ultra high definition TVprogrammes
Future Rural Smart Radio and Television Construction and Service Specifications
Compliance requirements for electromagnetic radiation from mobile communication terminal equipment Part 3: Wearable devices
Electromagnetic environment protection for communication bureau stations Part 1: Classification of electromagnetic environment
Electromagnetic environment protection for communications bureaus Part 2: Electromagnetic environment protection methods
Electromagnetic exposure to the human body from handheld and body-worn wireless communication devices. Mannequins, instruments and procedures. Part 4: Specific absorption rate (SAR) evaluation procedures for body-worn wireless communication devices (frequ
Shortwave band antenna site electromagnetic environment test method
Compatibility and coexistence analysis parameters, modeling and simulation methods of IMT networks and systems with other radio services/systems
Procedure for evaluation of electromagnetic exposure to the human body from handheld and body-worn wireless communication devices Part 1: Devices used close to the ears (frequency range 300MHz ~ 6GHz)
5G mobile communication network security technical requirements
Electromagnetic compatibility performance requirements and measurement methods for cellular mobile communications equipment Part 17: 5G base stations and their auxiliary equipment
Electromagnetic compatibility performance requirements and measurement methods for cellular mobile communications equipment Part 18: 5G user equipment and auxiliary equipment
Optical fiber ducts for communication equipment rooms
Electromagnetic radiation information leakage requirements and measurement methods of telecommunications equipment
Temperature control equipment for communication high heat density computer rooms Part 2: Backplane temperature control equipment
Multi-mode mobile terminal electromagnetic interference technical requirements and test methods Part 1: General requirements
Technical requirements and test methods for electromagnetic interference of multi-mode mobile terminals Part 2: Electromagnetic interference between cellular wireless modules and wireless local area networks
Technical specification for detection of lightning protection devices for building electronic systems
This European Standard (EN) has been developed by the European Standardization Organization ETSI (European Telecommunication Standardization Institute) and specifies requirements in the telecommunications sector.
Environmental Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 2-1: Specification of environmental tests; Storage (Endorsement of the English version EN 300 019-2-1 V2.3.1 (2017-11) as a German st
This European standard specifies requirements in the telecommunications sector.
Accessibility requirements suitable for public procurement of ICT products and services in Europe; English version EN 301 549 V1.1.2 (2015-04); Text in German, only on CD-ROM
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