Digital Cordless Telephone has been taking the place of the traditional Analog Cordless Telephone gradually for its flexible convenience, high security and anti-interference.
数字无绳电话因为方便灵活、高安全性和抗干扰能力等优点，正在逐步取代传统的模拟无绳电话。
We also introduced some concept of digital radio, including digital direction synthesizer (DDS) and digital down conversion (DDC) and digital filter.
介绍了数字直接合成器 (DDS)、数字下变频器 (DDC)、数字滤波器等数字无线电经常用到的概念 。
Time Division Multiple Access: a digital wireless telephony transmission technique.
时分多址：一种数字无线电话传输技术。
automatic digital radio direction finder
自动数字无线电测向仪
12000 program-controlled telephones, digital transmissions and ISDN have been equipped as well as two relay towers.
开通程控电话12000门，无线电通信转播塔2座，数字传输，宽带上网。
At the telephone company end, ISDN lines connect to a digital switch.
在电话局一端，ISDN线连到数字交换机。
You have entered invalid characters in the phone number. Please use only numbers.
在电话号码中您输入了无效字符。请只使用数字。
Broadband digital communications connection that operates over standard copper telephone wires.
宽频数字通讯线路,在标准的电话铜线上运作。
digital microwave radio transmitter-receiver equipment
数字微波无线电收-发设备
radio telemetry seismic data acquisition system
无线电遥测地震数字采集系统
Research on the Implementation of Digital Down Conversion with FPGA;
软件无线电数字下变频FPGA实现的研究
Direct Digital Frequency Synthesis Technique in Software Radio;
基于软件无线电的直接数字频率合成
Study on Digital Receiver in SAR Based on Software Defined Radio;
基于软件无线电的SAR数字接收机研究
Design and Realization of Digital Wireless Location Electronic Whiteboard
数字无线定位电子白板的设计与实现
Digital Design and Anti-jamming Technology for Radio Compass
无线电罗盘数字化设计与抗干扰研究
The Study of Front-end DDC in Software Radio
软件无线电中前端数字下变频的研究
wireless telephone
ph.1. 无线电话
Research on the Wireless Digital Full-Duplex Audio Headset Transceiver;
盔载全双工无线数字话音通讯器的研究
Design of Random Matching Digital Wireless Microphone Oriented Multi-media Classroom
面向多媒体教室的任意配对数字无线话筒设计
radio typewriter
无线电电传打字电报机