For wireless digital communications, digital user signal is usually at first converted into analog domain and then modulated to radio frequency by one or two steps.
对于无线数字通信而言，通常将数字用户信号首先转换到模拟域中，然后通过一个或两个步骤将其调制到无线电频率。
The temperature information acquisition unit based on C8051F330 is composed of processor, analog front-end operational amplifier, serial port communications and so on.
基于C8051F330的温度信息采集器，由处理器、模拟前端运算放大器和串口通讯等组成。
Graduates will be able to demonstrate troubleshooting skills of computer and network technology, analog and digital electronics, and wireless communications equipment.
毕业生可显示故障的计算机和网络技术，模拟和数字电子技术和无线通信设备。
A broadband distributed network design is proposed. This network can provide data, real-time digitized voice and analog video communications on a single CATV cable.
本文提出了一种宽带分布式网络设计，该网络能在CATV电缆上同时进行数据、实时数字话音及模拟电视通信。
The Konexx Koupler straps onto the handset of any payphone or telephone, to provide analog data communications at up to 26.4 Kbps.
进口工业网的Konexx Koupler可以连接任何公用电话或电话的听筒，提供高达26.4 Kbps的通信模拟数据。
On the other side, synchronization in "analog-digital-analog" scramble communications is very important, and the synchronizing signal must be inserted into information signals.
另一方面，同步在采用“模-数-模”方法实现的模拟信号置乱加密通信中非常重要，必须在信息信号中加同步头信号。
Generally speaking, there are two kinds of chaotic cipher: one is the analog chaotic secure communications;
一般而言，目前存在两种混沌密码形式：一种是模拟化的混沌保密系统；
Generally speaking, there are two kinds of chaotic cipher: one is the analog chaotic secure communications;
一般而言，目前存在两种混沌密码形式：一种是模拟化的混沌保密系统；
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