高数据传输速率以及终端的高速移动，导致无线通信信道具有时间选择性与频率选择性两个特征。
High data transmission rates and high mobility give rise to time - and frequency - selectivity in wireless communication channels.
对无线数据传输系统的构成进行了研究，阐述了基于C8051F 020微处理器和CD MA模块MG801A的数据终端的硬件设计电路和软件接口的实现。
The paper introduces structure of wireless data transmission system, and expounds realization of hardware design circuit and software of DTU based on C8051F020 microprocessor and CDMA module MG801A.
对无线数据传输系统的构成进行了研究，阐述了基于C8051F 020微处理器和CD MA模块MG801A的数据终端的硬件设计电路和软件接口的实现。
The paper introduces structure of wireless data transmission system, and expounds realization of hardware design circuit and software of DTU based on C8051F020 microprocessor and CDMA module MG801A.
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