此部分采用的是GPRS(通用分组无线业务)这种长距离无线通信技术来负责数据的上传以及接收上位机的控制命令。

This part USES GPRS (General Packet Radio Service) Which is a long-distance wireless communication technology to be responsible for data to upload the host computer and receive control commands.

youdao

通常，电信系统特别是无线通信系统有多种定义，最通用的是指一套设备，它允许两终端经过至少一个无绳或称空间接口的无线接口相连接。

The most general is a set of facilities which permits terminals to be interconnected via at least one cordless or radio interface, called the air interface.

youdao

软件无线电使得无线通信系统具有很好的通用性和灵活性，使系统的互联和升级非常方面。

SDR not only can make the wireless communication system have a good flexibility and generality, but also can make its interlinkage and update of the system very convenient.

youdao