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1686+ standards in database
1686 result(s) found
波导法兰盘 第四部分:圆形波导法兰盘规范
Flanges for waveguides--Part 4:Relevant specification for flanges for circular waveguides
空心金属波导 第四部分:圆形波导有关规范
Hollow metallic waveguides--Part 4:Relevant specifications for circular waveguides
空心金属波导 第三部分:扁矩形波导有关规范
Hollow metallic waveguides--Part 3:Relevant specifications for flate rectangular waveguides
软波导组件性能
Flexible waveguide assembly performance
空心金属波导 第七部分:方形波导有关规范
Hollow metallic waveguides--Part 7:Relevant specifications for square waveguides
空心金属波导 第六部分:中等扁矩形波导有关规范
Hollow metallic waveguides--Part 6:Relevant specifications for medium flat rectangular waveguides
公用数据网上数据终端设备(DTE)与数据电路终接设备(DCE)间的互换电路定义表
List of definitions for interchange circuits between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) on public data networks
公用数据网上起/止传输业务使用的数据终端设备(DTE)和数据电路终结设备 (DCE)间的接口
Interface between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) for start stop transmission services on public data networks
市内光缆通信系统进网要求
The requirements for urban optical fiber cable systems joined to national public telecommunication network
无线电发射的标识及必要带宽的确定
Designation of radio emissions and determination of necessary bandwidths
非平衡电压数字接口电路的电气特性
Electrical characteristics of unbalanced voltage digital interface circuits
TDM/FDM 60路复用转换设备进网要求
Specification for TDM/FDM 60-channeltransmultiplexing equipments used in the telecommunication network
电视广播激励器通用技术条件
General specification for television broadcasting exciter
中波调幅广播激励器通用技术条件
General specification for exciter used to MW AM broadcast transmitter
空中交通管制机载应答机通用技术条件
General specification of airborne transponders for air traffic control
空中交通管制二次监视雷达通用技术条件
General specification of secondary surveillance radar for air traffic control
移动通信调频无线电话接收机测量方法
Methods of measurement for radio receivers employing F3E emission used in the mobile services
移动通信调频无线电话发射机测量方法
Methods of measurement for radio transmitters employing F3E emission used in the mobile services
彩色电视广播接收机与其他设备互连配接要求
Requirements for the interconnections and matching of color television broadcast receivers and other equipment
通用型应用电视设备可靠性试验方法
Methods of reliability testing for universal CCTV systems