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- And the excitation voltage and output were also fed through the selector switch to the digital voltmeter. 其激励电压和输出也通过选择开关接到数字电压表上。
- The digital voltmeter has to be powered with a power supply or batteries, while the magnetoelectric type meter only needs a battery in the ohms mode. 数字式伏特计必须供以能量或者以电池组为动力,而磁电式仪表仅仅在欧姆表里需要一节电池。
- With a high CMR operational amplifier, we are able to use a common digital voltmeter as an A/D converter. 在测量桥路输出处加接了一个高共模抑制的运算放大器,使普通数字电压表可以用来实现A/D转换,简易地实现了数字化。
- This paper introduces a scheme for design of digital voltmeter with the FPGA chip and the technology of EDA. 采用EDA(电子设计自动化)技术和FPGA(现场可编程门阵列)芯片设计数字电压表。
- I graduated from the core task is to design: FPGA to create a VHDL-based language of the digital voltmeter. 我的毕业设计的核心任务是：采用FPGA来制作一个基于VHDL语言编写的数字电压表。
- Considering the digital voltmeter as a part of the whole equipment, some methods for improving the stability of the digital voltmeter are suggested. 摘要从数字电压表是整机一部分的观点出发，提出一些从总体上考虑提高数字电压表稳定度的方法。
- My graduation project core duty is: Uses FPGA to manufacture one based on the VHDL language compilation digital voltmeter. 我的毕业设计的核心任务是：采用FPGA来制作一个基于VHDL语言编写的数字电压表。
- On the basis of experiments now in Experiment of College Physics, the basic range of direct current digital voltmeter is expanded by refit and then the voltmeter is calibrated. 摘要在现有电表改装与校准实验基础上，对三位半数字电压表的基本量程进行扩程改装，实现多量程接入，并对改装电压表进行校准。
- The customary theory of digital voltmeter was introduced,followed by a kind of new design of utilitarian digital voltmeter with programmable logic device inside. 本文介绍了数字电压表的一般设计原理,并结合新型的可编程逻辑器件设计了一种方便、实用的数字电压表。
- This method of analysis is applicable to the inside control logic and integrator-first null detec-tor circuit system of the DO-13 type DVM (Digital Voltmeter) with satisfactory result. 把这一分析用于 DO-13 DVM 中的内控逻辑和积分器--第一检零器系统获得了成功。
- The design uses integration CMOS chip ICL7107 as the A/D transform and lock save and coding module of a digital voltmeter to make the circuit easy design,high integration and high reliability. 本设计采用集成芯片ICL7107作为数字电压表的A/D转换及锁存和译码模块,使得电路具有设计简单、集成度及可靠性高的特点。
- Skillfully using Wheatstone bridge to refit into nonequilibrium bridge, the electronic digital thermometer is assembled with carbon film resistor or platinum resistor as the sensitive temperature element and digital voltmeter as the display. 巧用惠斯通电桥改装成非平衡电桥 ,使用碳膜电阻或铂电阻作为感温元件 ,数字电压表作为显示器 ,组装成电子数字温度计
- The design utilizes the single chip microcomputer AT89C51,the A/D Converter and the LED to realize a concurrent digital voltmeter,which can change the scale and display the number value automatically. 利用单片机AT89C51、A/D转换模块和LED数码显示器,实现了一种具有量程自动切换功能的直流数字电压表,该电压表具有测量精确度高,性能稳定,扩展功能强及显示清晰度高等特点。
- Definition of accuracy of digital voltmeter 数字电压表精度定义
- The application of CPLD in digital voltmeter design CPLD在数字电压表设计中的应用
- Using digital voltmeter for null indicator 数字电压表作示零器
- VHDL Realization of Digital Voltmeter 数字电压表的VHDL设计与实现
- continuous comparing type digital voltmeter 连续比较式数字电压表
- input zero current digital voltmeter 输入零电流数字电压表
- dual slope type digital voltmeter 双斜率式数字电压表
