frequency-shift duplex receiving unit是什么意思

网络释义

用法例句

UHF land mobile radio communication equipment

超高频陆地移动无线通信设备

VHF land mobile radio communication equipment

甚高频陆地移动无线通信设备

General specification for telephone/radio interconnect equipment used in mobile communication

GB/T17542-1998移动通信有线/无线转接设备通用规范

UHF mini-trunking radio system

超高频小型中继无线通信系统

The Study of PIM and Design Dual-Frequency Base Station Antenna;

移动通信基站天线无源交调的研究和双频天线的设计

Capacity series and frequency channels arrangement in 25 to 1000MHz land mobile telecommunication network

GB6280-198625~1000MHz陆地移动通信网的容量系列及频道配置

EMC specification and test methods for land mobile communication equipment

GB15540-1995陆地移动通信设备电磁兼容技术要求和测量方法

Design of an antenna array for INMARSAT-4 mobile ground terminal

第四代海事卫星通信陆地移动终端天线阵的设计

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

"Baseband chipsets, which enable voice communication functions, for wireless handheld devices and cellular phones"

基带组，使无线便携式设备和移动电话具备声音通信功能

The Research on the Mobile Multi-Path Channel in Land High-speed Locomotive Environment;

陆地高速运动环境中移动通信多径信道研究

General specification for radio transceiver employing F3E emission used in the mobile services

GB/T15844.1-1995移动通信调频无线电话机通用技术条件

very high frequency radio-telephone communicatio

甚高频无线电话通信

Methods of measurement for radio transmitters employing F3E emission used in the mobile services

GB/T12192-1990移动通信调频无线电话发射机测量方法

Methods of measurement for radio receivers employing F3E emission used in the mobile services

GB/T12193-1990移动通信调频无线电话接收机测量方法

Research on Intermediate Frequency Module in Software Radio Mobile Communication Systems;

移动通信系统中软件无线电技术中频模块研究

Design of Mobile Information Terminal Based on RF Technology;

基于无线射频技术的移动信息终端设计

Research on Security of UHF Mobile RFID Systems Based on Privacy Protection

基于隐私保护的超高频移动无线射频识别(RFID)系统安全性研究