frequency multiplex中文什么意思
频率多路复用
频率划分
- frequency: n. 1.屡次,频仍,频繁。 2.( ...
- multiplex: adj. 多部的,复合的,多样的,多 ...
- multiplex frequency: 多路传输频率
例句与用法
- The advantages of using leo satellite are as following : on the one hand the satellite orbit is low , so the transmission delay is short , the power loss is small ; on the other hand the development of cell communication , multi - access , frequency multiplex and etc also provide a technique guarantee to the leo satellite - mobile - telecommunication . so the leo system is considered to be a satellite - mobile - communication system with a great future
低轨道卫星是一种运行于1000公里左右的高空中的人造卫星,利用leo卫星实现个人通信的优点在于:一方面卫星的轨道高度低,使得传输延时短、路径损耗小,多个卫星组成的星座可实现真正的全球覆盖,频率复用更有效:另一方面蜂窝通信、多址、点波束、频率复用等技术的发展也为低轨道卫星移动通信提供了技术保障。