数据采集设备

完成了NI公司数据采集设备的噪声电压测试和波形同步循环测试；

The noise voltage and the synchronous waveform cycle are tested using the data acquisition equipment of NI corporation .

介绍了基于USB总线的数据采集设备的硬件设计、设备驱动程序、设备固件、应用程序等设计方法。

This paper presents the design method for the data acquisition equipment that uses USB as its interface including the circuit design , equipment driver , firmware and applied program of a USB device .

USB总线数据采集设备驱动程序的设计

Design of data acquisition device driver based on USB bus

基于USB总线的数据采集设备及其应用

Data Acquistion Device Based on USB Bus and Application

例如，你可以有一个数据采集设备具有模拟和数字IO能力。

For example , you could have a data acquisition device that has both analog and digital IO capabilities .

数据采集设备与PC主机之间的高速数据传输有FIFO（先进先出）和DMA两种主要方式。

FIFO ( first in first out ) and DMA are two primary modes for the high-speed data transfer between the data acquisition ( DAQ ) equipments and PCs.

以新研制的USB接口水位变送器为例，结合USB协议和计算机基本原理，对设备软、硬件设计进行了深入分析，探讨了在数据采集设备中直接使用USB接口的实现方法。

For the newly developed water level transmitter with USB , on the basis of USB protocol and computer principle , the software and hardware of the instrument is analyzed in detail .

网络通信方面，详细介绍了如何实现PLC现场控制与DCS远程监控的交互方法，以及数据采集设备与DCS数据共享所必需的TCP/IP与MODBUS之间协议转换的应用程序的开发。

The realization method of field control with PLC and remote supervision and control with DCS is introduced in detail . Then a protocol conversion application between the TCP / IP and the MODBUS is developed .

基于USB2.0版对通用数据采集设备（UDCE）进行研究。

Summary : An universal digital collecting equipment ( UDCE ) is re-searched based on USB2.0 .

方法设计了BSL-3实验室空气指标自动化控制系统。该系统在变送器及专用数据采集设备的基础上采用直接数字控制模式（DDC）控制，并设置图形监控系统。

Methods DDC was used in the control system based on the transducer and special data collection equipment , and the figure monitoring system was established .

以PCI技术为基础，采用技术成熟、性能稳定可靠、智能化的数据采集设备与多种抗干扰通信技术，对水泵测试过程中的流量、压力、电参数等数据进行采集。

Based on the PCI technology , using the skilled technology , stable feature , reliable , intelligent , multi anti-disturb data collect device and communication technology realized the data collect such as flux , pressure , electric data during the pumps testing .

系统符合USB1.1协议，是一种比较新颖，系统配置灵活的数据采集设备。

The system conforms to USB 1.1 protocol , and is flexible in configuration .

以一个采集监控系统为背景.给出一个用于连接NEFF数据采集设备的并行DMA接口DRV11-WA的快速专用驱动器的设计与实现。

Taking the collecting and monitoring system as background , this paper describes the design and realization of a rapid and special-purpose driver , with which the parallel and direct-memory-access data interface ( DRV11-WA ) connects the data acquisition device NEFF to VAX .

车辆检测传感器是ITS中最重要的交通数据采集设备之一。

Vehicle detection is one of the key technologies in ITS .

电法勘探中数据采集设备和计算机通信的实现

Implementation of communication between data acquisition equipment and computers of electrical prospecting

数据采集设备的失真度测试方法研究

Study on methods of distortion measurement of data acquisition equipment

一种用于高速同步数据采集设备的数字锁相环

An All-Digital Phase Locked Loop for High-Speed Synchronous Data Acquisition

在线可编程手持数据采集设备系统的层次化软件设计

Tiered Software Design of the In-System-Programmable Data Collection Handset System

无损检测系统中数据采集设备的设计

Design of a Data Acquisition Equipment in NDT System

搭建了基于虚拟仪器和高速数据采集设备的大功率变换器开关瞬态在线测试平台。

The on-line test platform based on virtual instrument and high speed digitizer is built .

做为设备管理模块，它把各种数据采集设备与控制设备进行统一管理，在用户层提供统一接口。

As the module of device managing , it provides a unified hardware manage interface .

数据采集设备现场抗干扰方法

Anti-Interference Ways for Data Collecting Devices

海上地震数据采集设备，包括震源系统，数据记录系统和导航定位系统。

Geophysical data collecting equipment include vibratilesource system , data record system and position survey system .

虚拟仪器就是利用数据采集设备加上数据分析软件来代替常规的测量仪器。

Virtual instrument is a substitute of routine instrument by ways of data collection card and software .

这主要是由于众多领域的需求推动和计算机处理能力与数据采集设备的不断进步。

The reason is that the demand in many areas impulsion and the improving of capacity of computer .

近年来，随着数据采集设备成本的降低，该领域受到了越来越多的学者的关注。

Recently , with the reduced cost of data acquisition equipment , there has been an increasing attention to this field .

与传统的面向过程的方法不同，该方法具有可维护性和可重用性，并且对不同的数据采集设备具有的通用性。

This method , different from traditional procedure-oriented ones , works well in maintenance and reuse , and is generaly true regardless .

虚拟仪器技术指在包含数据采集设备的通用计算机平台上，根据需求高效率地构建起的测量系统。

Virtual instrument technology allows the efficient construction of measurement system on universal computer platform containing data acquisition device according to specific requirement .

在前者的实现中，本文侧重高速传输技术，以提高工业现场数据采集设备在网络传输时的实时性和精确反应。

In former implementation , we research in the high-speed transmission technology in order to upgrade the realtime response of industrial data acquisition systems .

使用全自动数据采集设备和处理系统，对每一工况下的支架、拱圈应力进行适时监控，确保了施工过程中支架和主拱圈的安全。

Timely monitor of their stress in each working conditions can ensure the safe of support and main arch circle with full-automatic data acquisition system .