digital radio section

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 。

Research on the System of Low-Power Consumption Wireless Digital Water-Level Data Acquisition;

低功耗无线数字水位采集系统的研究

INMARSAT Wireless Digital Communication System Establishing;

INMARSAT无线数字通信系统构建

Application System Based on Wireless Digital Campus Network;

基于无线数字校园网的应用系统设计

automatic digital radio direction finder

自动数字无线电测向仪

Tabular work: Text or figures in the form of columns but without using rule as separator.

无线表:文字或数字分栏排，但不用线分隔。

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

Dingbat Negative Circled Sans-Serif Digit Three

丁贝符反白随以圆圈无衬线数字三

"Dingbat Negative Circled Sans-Serif Digit Four

"丁贝符反白随以圆圈无衬线数字四

"Dingbat Negative Circled Sans-Serif Digit Six

"丁贝符反白随以圆圈无衬线数字六

"Dingbat Negative Circled Sans-Serif Number Ten

"丁贝符反白随以圆圈无衬线数字十

"Dingbat Negative Circled Sans-Serif Digit One

"丁贝符反白随以圆圈无衬线数字一

"Dingbat Negative Circled Sans-Serif Digit Eight

"丁贝符反白随以圆圈无衬线数字八

"Dingbat Negative Circled Sans-Serif Digit Nine

"丁贝符反白随以圆圈无衬线数字九

"Dingbat Negative Circled Sans-Serif Digit Two

"丁贝符反白随以圆圈无衬线数字二

"Dingbat Negative Circled Sans-Serif Digit Five

"丁贝符反白随以圆圈无衬线数字五

"Dingbat Negative Circled Sans-Serif Digit Seven

"丁贝符反白随以圆圈无衬线数字七

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。