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- microwave radio relay communication 微波中继通信
- High Performance Antenna for Microwave Radio Relay Communication 微波中继通信高性能天线
- Generic specification for digital microwave radio relay communication equipment 数字微波接力通信设备通用技术条件
- Methods of measurement for the digital microwave radio relay communication equipments 数字微波接力通信设备测量方法
- "Over land such circuits can be provided in many ways, including pairs of wires, coaxial cables, wave guides, optical fibres, and microwave radio relay systems." 在陆地上,可用多种方式提供这种线路,包括成对线路、同轴电缆、波导、光纤和微波无线电转播站。
- microwave radio relay 微波无线电接力
- microwave radio relay equipment 微波无线电中继设备
- There has always been a problem in using radio relay in overseas communications. 在利用无线电转播进行海外通迅方面一直存在着一个问题。
- Combining advanced technology from Harris and domestic talents in China, HCS is focused on developing, manufacturing and post-sales services of microwave radio products. 公司引进国外先进技术,利用中国的人才优势,从事哈里斯数字微波通讯设备的开发、生产、销售及售后服务。
- 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。
- 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。
- The paper introduces the design and development of directional antenna turntable servo system for the communication between the ship with a microstrip antenna and the station with a microwave radio. 本文论述了用于海上船只与地面站微波通信的定向天线转台伺服控制系统的设计与开发过程。
- DUV (Data Under Voice) is introduced.It permits signals to "hitch-hike" on existing microwave radio systems by using the lower end of the frequency band not normally used for voice. DUV(话下数据)推出,它允许信号在现有的微波无线电系统中“搭便车”,使用微波频带中的低端部分,通常不用于话音传输。
- Offers loyalty, encouragement and support to other amateurs, local clubs, and the American Radio Relay League, through which Amateur Radio in the United States is represennted nationally and internationally. 他对其他无线电爱好者、地方俱乐部和代表本国的国家协会表现忠诚、鼓励和支持。
- A chain of radio or television broadcasting stations linked by wire or microwave relay. 广播网由线路或微波中转站连接的电台或电视台网络
- time division radio relay system 时间分割式无线电中继系统
- A transistorize radio takes no time to warm up. 晶体管收音机不需要预热时间。
- The anchor man in a relay team runs last. 接力队中的主力跑最后一棒。
- millimeter-band radio relay system 毫米波带无线电中继系统
- High Altitude Radio Relay System 高空无线电中继系统