摘要
虽然到目前为止,大多数对讲机系统仍采用模拟技术,但数字技术已开始推动移动通信的变革步伐,从模拟通信系统过渡到数字通信系统已经成为大势所趋。在这个过程中,如何保护已有在模拟设备上投资,并灵活选择向数字系统的过渡方式和过程,成为推动无线通信系统数字化进程的关键。
Up to now,most of interphones still adopt analog technology.With the evolution of digital technology in mobile communications,it has become an inevitable trend that analog communications will be replaced by digital ones.In the process,how to protect the investment on analog equipment and to flexibly choose the transition manner and process toward digital systems has become a key point in pushing forward the digitization process of wireless communication system.
出处
《铁道通信信号》
2012年第5期82-83,共2页
Railway Signalling & Communication
关键词
数字技术
移动通信
优势
Digital technology
Mobile communication
Advantages