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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本指导性技术文件规定了移动多媒体广播室内覆盖系统的覆盖方式、技术要求、组网方式和工程安装要求。 本指导性技术文件适用于新建的移动多媒体广播室内覆盖系统的工程设计和安装
Implementation guidelines for indoor coverage system of mobile multimedia broadcasting
本标准规定了移动多媒体广播室内覆盖系统源器件技术要求和测量方法。本标准的源器件包括 : 功率分配器、定向功率耦合器、室内吸顶全向天线、侧装定向天线、 5OΩ泡沫聚乙烯绝缘皱纹铜管外导体射频同轴电缆、 50Ω泡沫聚乙烯绝缘编织外导体射频同轴电缆、物理发泡聚乙烯绝缘漏泄同轴电缆。对于能够确保同样测量
Technical requirements and measurement methods for passive devices used in indoor coverage systems of mobile multimedia broadcasting
Specifications for construction of radio signal indoor coverage system
本标准规定了地面米波(VHF)和分米波(UHF)彩色电视广播覆盖网主要技术要求及电视发射台间干扰的计算和服务区的估算方法。 本标准适用于对电视发射台指配频道、编制和协调频道规划
Technical specifications for coverage networks of colour TV broadcasting
PROTECTIVE COVER@ CONNECTOR PLUG@ REVERSE BAYONET COUPLING
PROTECTIVE COVER, CONNECTOR PLUG, REVERSE BAYONET COUPLING
本规范规定了定向耦合器的通用要求、质量保证规定和交货准备等。 本规范适用于雷达和其他电子设备中的同轴类、波导类或微带类等定向耦合器
General specification for directional couplers
MICROCIRCUIT, HYBRID, LINEAR, POWER MOSFET, DUAL CHANNEL, OPTOCOUPLER
本规范规定了高方向定向耦合器(以下简称耦合器)的要求、质量保证规定和交货准备等内容。 本规范适用于波导型耦合器
General specification for high directional couplers
The purpose of this document is to recommend mechanical, environmental and electrical standards for broadband radio frequency (RF) devices whose
Drop Passives: Splitters, Couplers and Power Inserters
本标准适用于电讯机器,电计测器及其它电子应用机器用之功率型被覆线绕电阻器(以下简称电阻器)。备考:功率型被覆线绕电阻器系指于陶瓷外管等之耐灯卷芯上,卷绕以电阻线,并于其上施以珐琅质或其它之耐热被覆之电阻器
Power Type Coated Wire Wound Resistors
This drawing documents five product assurance classes as defined in paragraph 1.2.3 and MIL-PRF-38534
MICROCIRCUIT, HYBRID, LINEAR, POWER MOSFET, SINGLE CHANNEL, OPTOCOUPLER
This SAE Recommended Practice provides procedures for determining shot peening coverage and relating coverage to part exposure to the media stream
Shot Peening Coverage Determination
Technical specifications for coverage networks of FM sound broadcasting
本标准规定了短波双边带调幅广播网的主要技术指标和计算方法。 本标准适用于短波广播双边带调幅广播网的规划、电台服务区的估算和电台间干扰的估算
Technical bases of HFBC coverage
本指导性技术文件规定了移动多媒体广播室内覆盖系统的覆盖方式、技术要求、组网方式和工程安装要求。 本指导性技术文件适用于新建的移动多媒体广播室内覆盖系统的工程设计和安装
Implementation guidelines for indoor coverage system of mobile multimedia broadcasting
本标准规定了移动多媒体广播室内覆盖系统源器件技术要求和测量方法。本标准的源器件包括 : 功率分配器、定向功率耦合器、室内吸顶全向天线、侧装定向天线、 5OΩ泡沫聚乙烯绝缘皱纹铜管外导体射频同轴电缆、 50Ω泡沫聚乙烯绝缘编织外导体射频同轴电缆、物理发泡聚乙烯绝缘漏泄同轴电缆。对于能够确保同样测量
Technical requirements and measurement methods for passive devices used in indoor coverage systems of mobile multimedia broadcasting
Specifications for construction of radio signal indoor coverage system
本标准规定了地面米波(VHF)和分米波(UHF)彩色电视广播覆盖网主要技术要求及电视发射台间干扰的计算和服务区的估算方法。 本标准适用于对电视发射台指配频道、编制和协调频道规划
Technical specifications for coverage networks of colour TV broadcasting
PROTECTIVE COVER@ CONNECTOR PLUG@ REVERSE BAYONET COUPLING
PROTECTIVE COVER, CONNECTOR PLUG, REVERSE BAYONET COUPLING
本规范规定了定向耦合器的通用要求、质量保证规定和交货准备等。 本规范适用于雷达和其他电子设备中的同轴类、波导类或微带类等定向耦合器
General specification for directional couplers
MICROCIRCUIT, HYBRID, LINEAR, POWER MOSFET, DUAL CHANNEL, OPTOCOUPLER
本规范规定了高方向定向耦合器(以下简称耦合器)的要求、质量保证规定和交货准备等内容。 本规范适用于波导型耦合器
General specification for high directional couplers
The purpose of this document is to recommend mechanical, environmental and electrical standards for broadband radio frequency (RF) devices whose
Drop Passives: Splitters, Couplers and Power Inserters
本标准适用于电讯机器,电计测器及其它电子应用机器用之功率型被覆线绕电阻器(以下简称电阻器)。备考:功率型被覆线绕电阻器系指于陶瓷外管等之耐灯卷芯上,卷绕以电阻线,并于其上施以珐琅质或其它之耐热被覆之电阻器
Power Type Coated Wire Wound Resistors
This drawing documents five product assurance classes as defined in paragraph 1.2.3 and MIL-PRF-38534
MICROCIRCUIT, HYBRID, LINEAR, POWER MOSFET, SINGLE CHANNEL, OPTOCOUPLER
This SAE Recommended Practice provides procedures for determining shot peening coverage and relating coverage to part exposure to the media stream
Shot Peening Coverage Determination
Technical specifications for coverage networks of FM sound broadcasting
本标准规定了短波双边带调幅广播网的主要技术指标和计算方法。 本标准适用于短波广播双边带调幅广播网的规划、电台服务区的估算和电台间干扰的估算
Technical bases of HFBC coverage