直流毫伏表是针对毫伏级微小信号的精确测量，应用于实验检测、生产检测及维修使用等。
DC millivolt millivolt level table for the accurate measurement of small signals, Used in experimental testing, production testing and maintenance of the use of.
直流毫伏表是常用的测量仪器，采用数字方式可以使操控更直观，而且反应速度快，是理想的毫伏范围测量工具。
DC millivolt table is commonly used measuring instruments, the use of digital manipulation can make a more intuitive, and fast response, is an ideal measurement tool millivolt range.
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.
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