1.
Effects of distribution system on the outbound spectrum of TWACS
配电系统对双向工频通信上行信号频谱的影响
2.
Characteristic and Performance Analysis of Two-way Automatic Communication System Signal Transmission
双向工频通信信号在配电网中的传输特性与性能分析
3.
Study on TWACS of Concentrator Equipment for Pumping Unit Remote Monitor System
抽油电机远程监测系统集中器装置的双向工频通信研究
4.
Of or relating to a communications mode, as in a telephone system, that provides simultaneous transmission and reception in both directions.
双工的，双向的在两个方向同时提供传递和接收的通信模式的，如电话系统中双工通信模式的
5.
Dual-Frequency/Dual-polarization Antenna for 3G Mobile Communication Base Station;
双频/双极化第三代移动通信基站天线
6.
two-way radio link
双向无线电通信联系
7.
two-way radio system
双向无线电通信系统
8.
Double CPSK Spread-spectrum Communication System Based on Orthogonal Channel
基于正交信道的双CPSK扩频通信系统
9.
full duplex channel
同时双向通道, 全双工通路
10.
Design and Fabrication of Miniaturiation and Multiband of Microwave Antenna for Mobile Communication;
小型、双频移动通信天线的设计与研制
11.
Research on DSSS Communication Key Technology of Single Band and Dual Mode WLAN;
WLAN单频双模组网DSSS通信关键技术研究
12.
Capable of simultaneous transmission or reception of two messages in the same radio channel.
同向双信号的允许两个独立的信号同时通过同一个无线电频道输送或接收的
13.
A response to a transmission made over a two-way radio.
回应对双向无线电通信信号的反应
14.
Study on the Technology of DTMF Communications and Its Applications;
窄带网中双音多频编码通信技术及应用研究
15.
A Real-Time Communication Technology of Image DataFlow Between Two DSP Video Ports
一种基于双DSP视频口的实时图像数据通信技术
16.
transmitting and receiving service
双向无线电通信，收发业务
17.
Dual Frequency and Dual Circular Polarization Antenna with High Isolation for Satellite Communication
一种具有高隔离度的双频双圆极化卫星通信天线
18.
dual way check valve
双向止回阀（双通单向阀）