As a new concept or system, SDR is re-programmable and re-configurable, and capable of supporting radio communications equipment of multiple radio communications systems and standards.
SDR是一个新的概念和体系，它是一个可重编程和可重构的，能支持多种无线通信体制和标准的无线通信设备。
Solar flares can disrupt radio communications, including devices that use Global Positioning system technology, such as cell phones, airplanes and car navigation systems.
太阳耀斑能够干扰到无线电通讯，包括使用全球定位系统技术的设备，如手机、飞机和汽车导航系统。
It enables a combination of video baseband, radio communicatons, satellite communications, and radar signals to be detected, monitored, and recorded simultaneously on a single system.
该设备能在单一系统同时探测、监控和记录视频基带、无线电通信、卫星通信以及雷达信号。
As a result, some radio chips—for example, those used for the Global Positioning System, say, or for Bluetooth wireless communications—now cost as little as $1 and are the size of a matchhead.
于是，一些无线芯片，比如用于全球定位系统的芯片或者用于蓝牙无线通讯的芯片现在每个只卖1美元，而体积只有火柴头那么大。
The software-driven Single Channel Ground and Airborne Radio System constitutes a family of manpack, vehicular, and airborne radios manufactured by ITT’s Communications Systems Division.
单信道地面和机载无线电系统由ITT公司制造的背负式、车载和机载无线电组成，其中最广泛使用的无线电是PRC-119。
Satellite - A radio relay station that orbits earth. A satellite communications system also includes earth stations which communicate with each other via the satellite.
卫星-绕地球运转的一个无线电转发站，卫星通讯系统还包括每个通过卫星进行通讯的地面台站。
Communications equipment is similarly upgraded, including two AS470 radio and encrypt system.
通讯设备也得到了改进，包括两台AS470无线电和加密系统。
Remote data acquisition and transfer in power system can be realized through general packet radio service (GPRS) network of China Mobile Communications Corporation.
通过中国移动通信有限公司的通用无线分组业务(general packet rad io service,GPRS)网络，可实现电力系统的远程数据采集和传输。
Remote data acquisition and transfer in power system can be realized through general packet radio service (GPRS) network of China Mobile Communications Corporation.
通过中国移动通信有限公司的通用无线分组业务(general packet rad io service,GPRS)网络，可实现电力系统的远程数据采集和传输。
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