基于LABVIEW的虚拟示波器设计本科生毕业论文本科生毕业论文基于LABVIEW的虚拟示波器设计TOC\o"1-3"\h\z\uHYPERLINK\l"_Toc263236513"第一章：绪论PAGEREF_Toc263236513\h3HYPERLINK\l"_Toc263236514"1．1虚拟仪器概述PAGEREF_Toc263236514\h3HYPERLINK\l"_Toc263236515"1．1．1虚拟仪器的产生PAGEREF_Toc263236515\h3HYPERLINK\l"_Toc263236516"1．1．2虚拟仪器的概念PAGEREF_Toc263236516\h3HYPERLINK\l"_Toc263236517"1．1．3虚拟仪器的构成PAGEREF_Toc263236517\h4HYPERLINK\l"_Toc263236518"1.1.4虚拟仪器的优点PAGEREF_Toc263236518\h6HYPERLINK\l"_Toc263236519"1．2虚拟仪器的现状PAGEREF_Toc263236519\h7HYPERLINK\l"_Toc263236520"1．2．1国外现状PAGEREF_Toc263236520\h7HYPERLINK\l"_Toc263236521"1．2．2国内现状PAGEREF_Toc263236521\h8HYPERLINK\l"_Toc263236522"1．2．3发展趋势PAGEREF_Toc263236522\h9HYPERLINK\l"_Toc263236523"1.3课题背景和课题目的PAGEREF_Toc263236523\h10HYPERLINK\l"_Toc263236524"1.4本文的研究内容PAGEREF_Toc263236524\h10HYPERLINK\l"_Toc263236525"第二章方案及关键技术PAGEREF_Toc263236525\h12HYPERLINK\l"_Toc263236526"2．1虚拟仪器创建过程PAGEREF_Toc263236526\h12HYPERLINK\l"_Toc263236527"2.2数据采集基础知识PAGEREF_Toc263236527\h13HYPERLINK\l"_Toc263236528"2.2.1采样定理PAGEREF_Toc263236528\h13HYPERLINK\l"_Toc263236529"2.2.2模拟信号与数字信号PAGEREF_Toc263236529\h16HYPERLINK\l"_Toc263236530"2.2.3A/D转换技术PAGEREF_Toc263236530\h16HYPERLINK\l"_Toc263236531"2.2.4D/A转化技术PAGEREF_Toc263236531\h21HYPERLINK\l"_Toc263236532"2.3PCI6221数据采集卡慨述PAGEREF_Toc263236532\h25HYPERLINK\l"_Toc263236533"2.4安装与测试PAGEREF_Toc263236533\h27HYPERLINK\l"_Toc263236534"2.4.1硬件的安装PAGEREF_Toc263236534\h28HYPERLINK\l"_Toc263236535"2.4.2测试PAGEREF_Toc263236535\h29HYPERLINK\l"_Toc263236536"2.5信号连接PAGEREF_Toc263236536\h30HYPERLINK\l"_Toc263236537"2.5.1管脚图PAGEREF_Toc263236537\h30HYPERLINK\l"_Toc263236538"2.5.2输入连接PAGEREF_Toc263236538\h31HYPERLINK\l"_Toc263236539"2.5.3模拟信号输出连接及外围电路PAGEREF_Toc263236539\h33HYPERLINK\l"_Toc263236540"2.6设计软件比较PAGEREF_Toc263236540\h33HYPERLINK\l"_