仪表着陆系统(ILS) 第3部分:航向信标性能要求和测试方法
Instrument landing system(ILS)-Part 3: Performance requirements and test methods for ILS localizer
检测标准
仪表着陆系统(ILS)航向信标接收机性能要求和测试方法
Performance requirements and test methods for ILS localizer receiver
仪表着陆系统(ILS)下滑信标接收机性能要求和测试方法
Performance requirements and test methods for ILS glide slope receiver
罗兰C系统通用技术条件
Generic specification for Loran-C system
卫星广播业务和地面业务问的频率共用11.7~12.2 GHz和12.5~12.75 GHz卫星广播业务(电视)和地面广播业务(电视)及地面无线电中继系统问的频率共用
Frequencysharing between the broadcasting-satellite services and terrestrial services-Frequency sharing between the broadcasting-satellite service(television)in one side and terrestrial broadcasting services(television)and terrestrial radio-relay
卫星广播业务和地面业务问的频率共用620~790 MHz卫星广播业务(电视)和地面广播业务(电视)问的频率共用
Frequency sharing between the broadcasting-satellite service and terrestrial services-Frequency sharing between the broadcasting-satellite service (television) and terrestrial broadcasting services(television) in frequency band 620~790MHz
卫星广播业务和地面业务间的频率共用卫星广播业务(电视)和地面业务问的频率共用导则
Frequency sharing between the broadcasting-satellite service and terrestrial services-Guide to frequency sharing between the broadcasting-satellite service (television) and terrestrial services
12 GHz频段卫星广播业务(BSS)及其馈线链路的规划参数
Planning parameters for broadcasting-satellite service(BSS) in the band 12 GHz and BSS feeder links
号筒扬声器测量方法
Methods of measurement for horn loudspeakers
号筒扬声器通用技术条件
General specification for horn loudspeakers
