该系统由电能表、微控制器、无线收发模块、CDMA网络和计算机等部分组成。
The system compose of power meter, micro- control unite, CDMA module, CDMA networks and computer etc.
其中电能的计量采用AD 7755实现，数据的无线传输与控制利用单片机at89s51向短信收发模块发送AT指令来实现。
Among these parts AD7755 is the core of the electricity meter, and data transmitting and controlling is completed by means of AT89S51 transmitting at command to GSM module.
远程控制系统的硬件主要由单片机控制电路、USB接口电路、无线收发模块构成。
Hardware of the remote controlling system is mainly composed of Single Chip Microcomputer (SCM) controlling circuit, USB interface circuit and wireless transceiver.
同时，PSTN接口系统的控制是通过无线收发模块的基带处理器来控制的。
Simultaneously, a PSTN interface system is controlled by a baseband processor of a wireless receiving and transmitting module.
无线收发模块是实现信息无线传输的关键部件，通过AT指令与计算机和微控制器通讯，电表数据以短信息方式传输。
Mscomm Control of Microsoft is used to perform serial communication and PDU(Protrocol pescription unit) model short message is sent based on AT instruction.
无线收发模块是实现信息无线传输的关键部件，通过AT指令与计算机和微控制器通讯，电表数据以短信息方式传输。
Mscomm Control of Microsoft is used to perform serial communication and PDU(Protrocol pescription unit) model short message is sent based on AT instruction.
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