本文阐述了系统的结构和工作原理，搭建了直流毫伏表的硬件电路，并设计了软件系统中的数据采集处理和显示部分的程序。
This paper describes the system structure and working principle, to build a DC mV meter hardware and software system design of data acquisition and processing and display part of the process.
所有设备都可应用电池现场操作，它们简单易用，能通过软件设定程序并自动采集和处理各项数据。
All the instruments are battery operated, simple in use and are delivered with software for versatile presentation of data, both on-line and post deployment processing.
并研究编制了整个系统的监控软件，包括A/D 采集和控制、数据通讯、显控等部分接口驱动程序以及数字信号滤波数据预处理软件；
And the paper studies and works out monitoring software in the whole system, including A/D acquisition and control, data exchange, DCI driver and digital signal filtering and data preprocess software.
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