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- It is very essential to make emphatically a study of chanel fading so as to design reasonably radio systems and develop high capacity digital radio relay systems. 指出加强对微波传输衰落的研究,对于经济合理地进行系统设计、发展我国高速率的数字通信是至关重要的。
- High Altitude Radio Relay System 高空无线电中继系统
- millimeter wave band radio relay system 毫米波接力通信系统
- trans-horizon radio relay system 超视距无线电中继系统
- tropospheric scatter radio relay system 对流层散射无线中继系统
- Telegraphic instrument that transmits and receives printed messages and data via telephone cables or radio relay systems. 通过无线电中断系统传送和接收列印资讯和资料的各种电报器械。
- time division radio relay system 时间分割式无线电中继系统
- millimeter-band radio relay system 毫米波带无线电中继系统
- time-division radio relay system 时分制无线电中继系统
- angle-modulated radio relay system 调角无线电接力系统
- digital radio relay network 数字无线电中继网络
- multichannel radio relay system 多信道无线电接力系统
- DRM(Digital Radio Mondiale) is a digital audio broadcasting system for the frequency below 30 MHz. 全球范围的数字广播系统DRM(Digital Radio Mondiale),是一种针对30MHz以下频段的数字声音广播系统。
- Tactical Radio Relay System 战术无线电中继系统
- Siemens is proud to present the secure digital radio communication system TETRA (Terrestrial Trunked Radio). 西门子隆重推出安全的数字无线通信系统:TETRA数字集群通信系统.
- broadband radio relay system 宽带无线电接力系统
- Electricity control technique developed from the relay system to the direct digit control( DDC) system the disperse control system( DCS) to the fieldbus control system ( FCS). 电气控制从继电器控制系统发展到直接数字控制(DDC)系统、集散控制系统(DCS)到目前的现场总线控制系统(FCS)。
- A new digital radio frequency memory(DRFM) system architecture based on digital channelized receiver is introduced. 提出一种基于数字信道化接收的数字射频存储(DRFM)系统设计方法。
- radio relay system 无线电中继制,无线电中继系统
- Airborne Radio Relay System 机载无线电中继系统
