It is made up of distributing network ( INFI NET), process control unit ( PCU), operator interface station ( WSA), engineering work station ( EWS) and computer interface unit ( CIU). 它由分布式网络(INFINET),过程控制单元(PCU),操作员接口站(WSA),工程师工作站(EWS)以及计算机接口单元(CIU)等组成。
The hardware section is divided by module into: microphone array, signal preprocessing unit, data acquisition unit, data process unit, display unit, data storage unit and PC interface unit. 采用模块化设计,将硬件部分划分为七个子模块单元:麦克风阵列、信号预处理单元、数据采集单元、数据处理单元、显示单元、数据存储单元和上位机接口单元。
In the design of hardware platform, this paper expounds design process and principle of system power, decoding circuit, memory unit, audio interface unit, peripheral communication interface unit, display unit, keyboard input unit, simulation unit and spare interface unit. 在硬件平台的设计中,具体阐述了系统电源、系统译码电路、存储器单元、音频接口单元、外围通信接口单元、显示单元、键盘输入单元、仿真单元和备用接口单元的设计过程及其原理。
Example of heterogeneous data integration is provided, design and implementation process of some key modules are also offered, including inquiring and retrieving unit, database connection interface, and data display and storage unit. System testing results are also demonstrated in this dissertation. 给出了异构数据库集成的实例、查询与检索、数据库连接以及数据显示与保存等主要模块的设计与实现过程,并展示了系统的测试结果。