您要查找的是不是：
- Common no-center transceivers still have used analog communication technology except the trunked transceivers use digital control signals. 除了在需要基站支持的集群对讲机中采用了数字控制信号以外,常规无中心对讲机领域还基本停留在模拟通信技术水平。
- Digital and Analog Communication Systems 数字与模拟通信
- Mobius analog communication systems 模拟通信
- optical fiber analog communication syste 光纤模拟通信系统
- Chen-Mobius Analog Communication Systems 陈-Mobius模拟通信系统
- optical fiber analog communication 光纤模拟通信
- A reflected signal on a communication channel. 一种在通信信道上反射回来的信号。
- I am in communication with him on this subject. 关于这问题，我正和他交换意见。
- The essence of language is communication. 语言的本质是沟通。
- Language is an instrument for communication. 语言是交际的手段。
- We had a discussion on language and communication. 我们就语言和交际问题进行了讨论。
- Radio communication has annihilated space. 无线电通讯已消除了空间的阻隔。
- In data communication, transmitted and received messages. 在数据通信过程中，被发送和接收的报文量。
- The application of PWM in digital modulation and demodulation for analog communication signals in several modulation modes PWM在几种模拟通信信号数字调制解调中的应用
- This area has not been covered by the communication net. 这个地区还不在通讯网的覆盖之内。
- Analog systems include AMPS, NMT and ETACS. 模拟系统包括AMPS、NMT和ETACS。
- Analog to Digital converter, or digitizer. 模拟/数字转换器，或数字转换器。
- Communication by the exchange of letters. 通信联系通过信的交换而进行的交流
- Mega-Hz~100Mega-Hz,HR analog video,K-M bit rate. 1兆赫兹~100兆赫兹，高分率频比视频，1千比特~1兆比特。
- In radio communication, either short or long waves may be used. 无线电通讯可以采用短波也可以采用长波。
